diff --git a/src/isnd/Controllers/Packages/PackagesController.Put.cs b/src/isnd/Controllers/Packages/PackagesController.Put.cs
index 172d261..b87b6bd 100644
--- a/src/isnd/Controllers/Packages/PackagesController.Put.cs
+++ b/src/isnd/Controllers/Packages/PackagesController.Put.cs
@@ -1,3 +1,4 @@
+using Microsoft.VisualBasic.CompilerServices;
 using System.Linq.Expressions;
 
 using System;
@@ -21,6 +22,8 @@ using isnd.Data.Packages;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc.ModelBinding;
 using isn;
+using isnd.Helpers;
+using Microsoft.EntityFrameworkCore;
 
 namespace isnd.Controllers
 {
@@ -52,7 +55,7 @@ namespace isnd.Controllers
                     TimeStamp = DateTimeOffset.Now.ToUniversalTime()
                 };
 
-                dbContext.Commits.Add(commit);
+                
 
                 foreach (IFormFile file in Request.Form.Files)
                 {
@@ -108,7 +111,7 @@ namespace isnd.Controllers
                                     Id = pkgid,
                                     Description = pkgdesc,
                                     OwnerId = apikey.UserId,
-                                    LatestVersion = commit
+                                    LatestCommit = commit
                                 };
                                 dbContext.Packages.Add(pkg);
                             }
@@ -119,22 +122,26 @@ namespace isnd.Controllers
                             var destdir = new DirectoryInfo(dest.DirectoryName);
                             if (dest.Exists)
                             {
+                                logger.LogWarning($"Existant package in disk : {dest.FullName}");
                                 // La version existe sur le disque,
                                 // mais si elle ne l'est pas en base de donnéés,
                                 // on remplace la version sur disque.
                                 string exFullString = version.ToFullString();
-                                var pkgv = dbContext.PackageVersions.Where(
+                                var pkgv = dbContext.PackageVersions.
+                                Include(v=>v.LatestCommit)
+                                .Single(
                                     v => v.PackageId == pkg.Id && v.FullString == exFullString
                                 );
-                                if (pkgv !=null && !pkgv.Any()) 
+                                if (pkgv!=null && pkgv.IsDeleted)
                                 {
                                     dest.Delete();
                                 }
-                                else {
-                                    string msg =  $"existant  {pkg.Id}-{exFullString}";
+                                else if (pkgv != null)
+                                {
+                                    string msg =  $"existant : {pkg.Id}-{exFullString}";
                                     logger.LogWarning("400 : {msg}", msg);
                                     ModelState.AddModelError("pkgversion", msg);
-                                    return BadRequest(CreateAPIKO("existant", ModelState));
+                                    return BadRequest(this.CreateAPIKO("existant"));
                                 }
                             }
                             {
@@ -182,8 +189,9 @@ namespace isnd.Controllers
                                     dbContext.PackageVersions.Add(pkgver);
                                 }
 
+                                dbContext.Commits.Add(commit);
                                 await dbContext.SaveChangesAsync();
-                                packageManager.ÛpdateCatalogForAsync(commit);
+                                await packageManager.ÛpdateCatalogForAsync(commit);
 
                                 logger.LogInformation($"new paquet : {spec.Name}");
                             }
@@ -204,7 +212,7 @@ namespace isnd.Controllers
                             }
                         }
                         string nuspecfullpath = Path.Combine(pkgpath, pkgid + "." + Constants.SpecFileEstension);
-                        FileInfo nfpi = new FileInfo(nuspecfullpath);
+                        FileInfo nfpi = new(nuspecfullpath);
 
                         if (nfpi.Exists)
                            nfpi.Delete();
@@ -215,23 +223,12 @@ namespace isnd.Controllers
             }
             catch (Exception ex)
             {
-                logger.LogError(ex.Message);
-                logger.LogError("Stack Trace: " + ex.StackTrace);
+                logger.LogError("PUT exception : " + ex.Message);
+                logger.LogError("Stack Trace : " + ex.StackTrace);
                 return new ObjectResult(new { ViewData, ex.Message })
                 { StatusCode = 500 };
             }
         }
 
-        public APIKO CreateAPIKO(string context, ModelStateDictionary modelState)
-        {
-            Dictionary<string,string[]> errors = new();
-
-            foreach (var elt in modelState)
-            {
-                errors[elt.Key] = elt.Value.Errors.Select( e => e.ErrorMessage).ToArray();
-            }
-            return new APIKO{ Context = context, Errors = errors };
-        }
-
     }
 }
diff --git a/src/isnd/Data/Catalog/CatalogEntry.cs b/src/isnd/Data/Catalog/CatalogEntry.cs
index 0067936..2edfbbc 100644
--- a/src/isnd/Data/Catalog/CatalogEntry.cs
+++ b/src/isnd/Data/Catalog/CatalogEntry.cs
@@ -9,19 +9,21 @@ using isnd.Interfaces;
 
 namespace isnd.Data.Catalog
 {
-    public class CatalogEntry : Permalink, IObject// , IPackageDetails
+    public class PackageDetails : Permalink, IObject
     {
         /// <summary>
         /// Creates a catalog entry
         /// </summary>
         /// <param name="id">package details url</param>
         /// <returns></returns>
-        public CatalogEntry(string id): base(id)
-        {
-
+        public PackageDetails(PackageVersion pkg, string apiBase, string uri): base(uri)
+        { 
+            PackageId = pkg.Package.Id;
+            Version = pkg.FullString;
+            authors = $"{pkg.Package.Owner.FullName} <${pkg.Package.Owner.Email}>";
+            packageContent = apiBase + pkg.NugetLink;
         }
 
-
         [JsonProperty("@type")]
         public string[] RefType { get; protected set; } = new string[] { "PackageDetails" };
 
@@ -99,5 +101,8 @@ namespace isnd.Data.Catalog
         [JsonProperty("version")]
         public string Version { get; set; }
 
+        [Required,JsonRequired]
+        [JsonProperty("id")]
+        public string PackageId { get;  set; }
     }
 }
\ No newline at end of file
diff --git a/src/isnd/Data/Catalog/PackageRegistration.cs b/src/isnd/Data/Catalog/PackageRegistration.cs
index 9fefbec..33b96a4 100644
--- a/src/isnd/Data/Catalog/PackageRegistration.cs
+++ b/src/isnd/Data/Catalog/PackageRegistration.cs
@@ -14,18 +14,17 @@ namespace isnd.Data.Catalog
             Items = new List<CatalogPage>();
         }
 
-        public PackageRegistration(string bid, string id, string apiBase, Packages.Package pkg) : base(bid + $"/{id}/index.json")
+        public PackageRegistration(string bid, string apiBase, Packages.Package pkg) : base(bid + $"/{pkg.Id}/index.json")
         {
             Items = new List<CatalogPage>
             {
-                new CatalogPage(bid, id, apiBase, pkg.Versions)
+                new CatalogPage(bid, pkg.Id, apiBase, pkg.Versions)
             };
             
-            if (pkg.Versions.Count>0)
-            {
-                CommitId = pkg.Versions.Max(v=>v.CommitNId).ToString();
-                CommitTimeStamp = pkg.Versions.Max(v=>v.LatestCommit.CommitTimeStamp);
-            }
+
+            CommitId = pkg.LatestCommit.CommitId;
+            CommitTimeStamp = pkg.LatestCommit.CommitTimeStamp;
+          
         }
 
         [JsonProperty("count")]
diff --git a/src/isnd/Data/Catalog/RegistratioinLeave.cs b/src/isnd/Data/Catalog/RegistratioinLeave.cs
index c604cbb..f617059 100644
--- a/src/isnd/Data/Catalog/RegistratioinLeave.cs
+++ b/src/isnd/Data/Catalog/RegistratioinLeave.cs
@@ -11,9 +11,11 @@ namespace isnd.Data.Catalog
     /// </summary>
     public class Package
     {
-        public Package(string apiBase, string pkgId, string fullVersionString, CatalogEntry entry)
+        public Package(string apiBase, string pkgId, string fullVersionString, PackageDetails entry)
         {
-            this.registration = apiBase + ApiConfig.Registration + "/" + pkgId + "/index.json";
+            
+            this.registration = apiBase + ApiConfig.Registration + "/" + pkgId + "/" + fullVersionString + ".json";
+            Id = registration;
             this.PackageContent = apiBase + ApiConfig.Nuget + "/" + pkgId + "/" + fullVersionString
             + "/" + pkgId + "-" + fullVersionString + "." + Constants.PaquetFileEstension;
             Entry = entry;
@@ -38,7 +40,7 @@ namespace isnd.Data.Catalog
         /// </summary>
         /// <value></value>
         [JsonProperty("catalogEntry")]
-        public CatalogEntry Entry { get; set; }
+        public PackageDetails Entry { get; set; }
 
         /// <summary>
         /// The URL to the package content (.nupkg)
diff --git a/src/isnd/Data/Packages/Package.cs b/src/isnd/Data/Packages/Package.cs
index 21e37ee..c140f08 100644
--- a/src/isnd/Data/Packages/Package.cs
+++ b/src/isnd/Data/Packages/Package.cs
@@ -20,7 +20,7 @@ namespace isnd.Data.Packages
         List<PackageVersion> Versions { get; set; }
         long CommitNId { get; set; }
         string CommitId { get; }
-        Commit LatestVersion { get; set; }
+        Commit LatestCommit { get; set; }
         DateTimeOffset CommitTimeStamp { get; set; }
     }
 
@@ -61,7 +61,7 @@ namespace isnd.Data.Packages
 
         [ForeignKey("CommitNId")]
 
-        public virtual Commit LatestVersion { get; set; }
+        public virtual Commit LatestCommit { get; set; }
         public DateTimeOffset CommitTimeStamp { get; set; }
 
     }
diff --git a/src/isnd/Data/Packages/PackageVersion.cs b/src/isnd/Data/Packages/PackageVersion.cs
index a96e061..77940d5 100644
--- a/src/isnd/Data/Packages/PackageVersion.cs
+++ b/src/isnd/Data/Packages/PackageVersion.cs
@@ -6,11 +6,13 @@ using isnd.Data.Catalog;
 using isnd.Data.Packages;
 using isnd.Data.Packages.Catalog;
 using isnd.Entities;
+using Microsoft.EntityFrameworkCore;
 using Newtonsoft.Json;
 using NuGet.Versioning;
 
 namespace isnd.Data
 {
+    [PrimaryKey("PackageId", "FullString")]
     public class PackageVersion 
     {
         [Required]
@@ -37,7 +39,6 @@ namespace isnd.Data
         /// <value></value>
         [StringLength(256)]
         [Required]
-        [Key]
         public string FullString { get; set; }
         public bool IsPrerelease { get; set; }
 
@@ -67,14 +68,8 @@ namespace isnd.Data
 
         public Catalog.Package ToPackage(string apiBase)
         {
-            return new Catalog.Package(apiBase ,this.PackageId , FullString,
-            new CatalogEntry(apiBase + ApiConfig.Registration + "/" + this.PackageId + "/" + FullString + ".json")
-            {
-                Version = FullString,
-                authors = $"{this.Package.Owner.FullName} <${Package.Owner.Email}>",
-                packageContent = apiBase + this.NugetLink
-            }
-            );
+            return new Catalog.Package(apiBase, this.PackageId , FullString,
+            new Catalog.PackageDetails(this, apiBase, apiBase + ApiConfig.Registration + "/" + this.PackageId + "/" + FullString + ".json"));
         }
         public bool IsDeleted => LatestCommit.Action == PackageAction.DeletePackage;
     }
diff --git a/src/isnd/Helpers/ApiHelpers.cs b/src/isnd/Helpers/ApiHelpers.cs
new file mode 100644
index 0000000..c83d2be
--- /dev/null
+++ b/src/isnd/Helpers/ApiHelpers.cs
@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using System.Linq;
+using isn;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+
+namespace isnd.Helpers
+{
+    public static class ApiHelpers
+    {
+        
+        static public APIKO CreateAPIKO(this Controller controller, string context)
+        {
+            Dictionary<string,string[]> errors = new();
+
+            foreach (var elt in controller.ModelState)
+            {
+                errors[elt.Key] = elt.Value.Errors.Select( e => e.ErrorMessage).ToArray();
+            }
+            return new APIKO{ Context = context, Errors = errors };
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/isnd/Migrations/20230430192411_pkgversions.Designer.cs b/src/isnd/Migrations/20230430192411_pkgversions.Designer.cs
new file mode 100644
index 0000000..22455e0
--- /dev/null
+++ b/src/isnd/Migrations/20230430192411_pkgversions.Designer.cs
@@ -0,0 +1,455 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using isnd.Data;
+
+#nullable disable
+
+namespace isnd.Migrations
+{
+    [DbContext(typeof(ApplicationDbContext))]
+    [Migration("20230430192411_pkgversions")]
+    partial class pkgversions
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.4")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedName")
+                        .IsUnique()
+                        .HasDatabaseName("RoleNameIndex");
+
+                    b.ToTable("AspNetRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetRoleClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ClaimType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ClaimValue")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserClaims", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderKey")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProviderDisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("LoginProvider", "ProviderKey");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AspNetUserLogins", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RoleId")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "RoleId");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("AspNetUserRoles", (string)null);
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.Property<string>("UserId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("LoginProvider")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Value")
+                        .HasColumnType("text");
+
+                    b.HasKey("UserId", "LoginProvider", "Name");
+
+                    b.ToTable("AspNetUserTokens", (string)null);
+                });
+
+            modelBuilder.Entity("isnd.Data.ApiKeys.ApiKey", b =>
+                {
+                    b.Property<string>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("text");
+
+                    b.Property<DateTimeOffset>("CreationDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("UserId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("ValidityPeriodInDays")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("ApiKeys");
+                });
+
+            modelBuilder.Entity("isnd.Data.ApplicationUser", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<int>("AccessFailedCount")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Email")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<bool>("EmailConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("FullName")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("LockoutEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset?>("LockoutEnd")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("NormalizedEmail")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("NormalizedUserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("PasswordHash")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PhoneNumber")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PhoneNumberConfirmed")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("SecurityStamp")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("TwoFactorEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("UserName")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NormalizedEmail")
+                        .HasDatabaseName("EmailIndex");
+
+                    b.HasIndex("NormalizedUserName")
+                        .IsUnique()
+                        .HasDatabaseName("UserNameIndex");
+
+                    b.ToTable("AspNetUsers", (string)null);
+                });
+
+            modelBuilder.Entity("isnd.Data.PackageVersion", b =>
+                {
+                    b.Property<string>("PackageId")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<string>("FullString")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<long>("CommitNId")
+                        .HasColumnType("bigint");
+
+                    b.Property<bool>("IsPrerelease")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("Major")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Minor")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Patch")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Revision")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Type")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("PackageId", "FullString");
+
+                    b.HasIndex("CommitNId");
+
+                    b.ToTable("PackageVersions");
+                });
+
+            modelBuilder.Entity("isnd.Data.Packages.Commit", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTimeOffset>("TimeStamp")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Commits");
+                });
+
+            modelBuilder.Entity("isnd.Data.Packages.Package", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<long>("CommitNId")
+                        .HasColumnType("bigint");
+
+                    b.Property<DateTimeOffset>("CommitTimeStamp")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<string>("OwnerId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("Public")
+                        .HasColumnType("boolean");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CommitNId");
+
+                    b.HasIndex("OwnerId");
+
+                    b.ToTable("Packages");
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
+                {
+                    b.HasOne("isnd.Data.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
+                {
+                    b.HasOne("isnd.Data.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
+                {
+                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole", null)
+                        .WithMany()
+                        .HasForeignKey("RoleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("isnd.Data.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
+                {
+                    b.HasOne("isnd.Data.ApplicationUser", null)
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("isnd.Data.ApiKeys.ApiKey", b =>
+                {
+                    b.HasOne("isnd.Data.ApplicationUser", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("isnd.Data.PackageVersion", b =>
+                {
+                    b.HasOne("isnd.Data.Packages.Commit", "LatestCommit")
+                        .WithMany("Versions")
+                        .HasForeignKey("CommitNId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("isnd.Data.Packages.Package", "Package")
+                        .WithMany("Versions")
+                        .HasForeignKey("PackageId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("LatestCommit");
+
+                    b.Navigation("Package");
+                });
+
+            modelBuilder.Entity("isnd.Data.Packages.Package", b =>
+                {
+                    b.HasOne("isnd.Data.Packages.Commit", "LatestCommit")
+                        .WithMany()
+                        .HasForeignKey("CommitNId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("isnd.Data.ApplicationUser", "Owner")
+                        .WithMany()
+                        .HasForeignKey("OwnerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("LatestCommit");
+
+                    b.Navigation("Owner");
+                });
+
+            modelBuilder.Entity("isnd.Data.Packages.Commit", b =>
+                {
+                    b.Navigation("Versions");
+                });
+
+            modelBuilder.Entity("isnd.Data.Packages.Package", b =>
+                {
+                    b.Navigation("Versions");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/isnd/Migrations/20230430192411_pkgversions.cs b/src/isnd/Migrations/20230430192411_pkgversions.cs
new file mode 100644
index 0000000..a4ac060
--- /dev/null
+++ b/src/isnd/Migrations/20230430192411_pkgversions.cs
@@ -0,0 +1,45 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace isnd.Migrations
+{
+    /// <inheritdoc />
+    public partial class pkgversions : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropPrimaryKey(
+                name: "PK_PackageVersions",
+                table: "PackageVersions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_PackageVersions_PackageId",
+                table: "PackageVersions");
+
+            migrationBuilder.AddPrimaryKey(
+                name: "PK_PackageVersions",
+                table: "PackageVersions",
+                columns: new[] { "PackageId", "FullString" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropPrimaryKey(
+                name: "PK_PackageVersions",
+                table: "PackageVersions");
+
+            migrationBuilder.AddPrimaryKey(
+                name: "PK_PackageVersions",
+                table: "PackageVersions",
+                column: "FullString");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PackageVersions_PackageId",
+                table: "PackageVersions",
+                column: "PackageId");
+        }
+    }
+}
diff --git a/src/isnd/Migrations/ApplicationDbContextModelSnapshot.cs b/src/isnd/Migrations/ApplicationDbContextModelSnapshot.cs
index 49000ab..a71c386 100644
--- a/src/isnd/Migrations/ApplicationDbContextModelSnapshot.cs
+++ b/src/isnd/Migrations/ApplicationDbContextModelSnapshot.cs
@@ -160,7 +160,7 @@ namespace isnd.Migrations
                         .ValueGeneratedOnAdd()
                         .HasColumnType("text");
 
-                    b.Property<DateTime>("CreationDate")
+                    b.Property<DateTimeOffset>("CreationDate")
                         .HasColumnType("timestamp with time zone");
 
                     b.Property<string>("Name")
@@ -249,6 +249,10 @@ namespace isnd.Migrations
 
             modelBuilder.Entity("isnd.Data.PackageVersion", b =>
                 {
+                    b.Property<string>("PackageId")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
                     b.Property<string>("FullString")
                         .HasMaxLength(256)
                         .HasColumnType("character varying(256)");
@@ -265,11 +269,6 @@ namespace isnd.Migrations
                     b.Property<int>("Minor")
                         .HasColumnType("integer");
 
-                    b.Property<string>("PackageId")
-                        .IsRequired()
-                        .HasMaxLength(1024)
-                        .HasColumnType("character varying(1024)");
-
                     b.Property<int>("Patch")
                         .HasColumnType("integer");
 
@@ -280,12 +279,10 @@ namespace isnd.Migrations
                         .HasMaxLength(256)
                         .HasColumnType("character varying(256)");
 
-                    b.HasKey("FullString");
+                    b.HasKey("PackageId", "FullString");
 
                     b.HasIndex("CommitNId");
 
-                    b.HasIndex("PackageId");
-
                     b.ToTable("PackageVersions");
                 });
 
@@ -423,7 +420,7 @@ namespace isnd.Migrations
 
             modelBuilder.Entity("isnd.Data.Packages.Package", b =>
                 {
-                    b.HasOne("isnd.Data.Packages.Commit", "LatestVersion")
+                    b.HasOne("isnd.Data.Packages.Commit", "LatestCommit")
                         .WithMany()
                         .HasForeignKey("CommitNId")
                         .OnDelete(DeleteBehavior.Cascade)
@@ -435,7 +432,7 @@ namespace isnd.Migrations
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
 
-                    b.Navigation("LatestVersion");
+                    b.Navigation("LatestCommit");
 
                     b.Navigation("Owner");
                 });
diff --git a/src/isnd/NSJWebApiReferenceResolver.cs b/src/isnd/NSJWebApiReferenceResolver.cs
index 07d4bb7..7e8864b 100644
--- a/src/isnd/NSJWebApiReferenceResolver.cs
+++ b/src/isnd/NSJWebApiReferenceResolver.cs
@@ -7,7 +7,7 @@ namespace isnd
 {
     internal class NSJWebApiReferenceResolver : IReferenceResolver
     {
-          private int delautIdCounter;
+        private int delautIdCounter;
 
         Dictionary<string, Permalink> HappyIdOwners { get; set; } 
 
diff --git a/src/isnd/Services/PackageManager.cs b/src/isnd/Services/PackageManager.cs
index ec9890b..dcf7e65 100644
--- a/src/isnd/Services/PackageManager.cs
+++ b/src/isnd/Services/PackageManager.cs
@@ -150,7 +150,7 @@ namespace isnd.Services
                 var validPkgs = (await dbContext.Packages
                 .Include(po => po.Owner)
                 .Include(pkg => pkg.Versions)
-                .Include(pkg => pkg.LatestVersion)
+                .Include(pkg => pkg.LatestCommit)
                 .ToArrayAsync())
                 .GroupBy((q) => q.Id);
                 
@@ -274,13 +274,15 @@ namespace isnd.Services
             // RegistrationPageIndexAndQuery
             if (string.IsNullOrWhiteSpace(query.Query)) return null;
             query.Query = query.Query.ToLower();
-            var scope = await dbContext.Packages.Include(p => p.Versions).Include(p => p.Owner)
-            .Include(p=>p.LatestVersion)
+            var scope = await dbContext.Packages
+            .Include(p => p.Versions)
+            .Include(p => p.Owner)
+            .Include(p=>p.LatestCommit)
             .SingleAsync(p => p.Id.ToLower() == query.Query);
             if (scope.Versions.Count==0) return null;
             string bid = $"{apiBase}{ApiConfig.Registration}";
             return
-                new PackageRegistration(bid, query.Query, apiBase, scope);
+                new PackageRegistration(bid, apiBase, scope);
         }
         public async Task<IEnumerable<PackageRegistration>> SearchPackageAsync(PackageRegistrationQuery query)
         {
@@ -288,17 +290,16 @@ namespace isnd.Services
 
             if (query.Query == null) query.Query = "";
             var scope = (await dbContext.Packages
-            .Include(p => p.Versions)
             .Include(p => p.Owner)
-            .Include(p=>p.LatestVersion)
-              .Where(p => p.Id == query.Query
-                  && (p.Versions.Any() && query.Prerelease || p.Versions.Any(v => !v.IsPrerelease)))
-
-            .ToListAsync());
-            var total = scope.Count();
-            var pkgs = scope.Skip(query.Skip).Take(query.Take);
-
-            return pkgs.Select(p => new PackageRegistration(bid, query.Query, apiBase, p));
+            .Include(p => p.Versions)
+            .Include(p => p.LatestCommit)
+              .Where(p => p.Id.StartsWith(query.Query)
+              && (query.Prerelease || p.Versions.Any(p => !p.IsPrerelease)))
+              .Skip(query.Skip).Take(query.Take)
+            .ToListAsync()
+              );
+            var pkgs = scope;
+            return pkgs.Select(p => new PackageRegistration(bid, apiBase, p));
         }
 
 
diff --git a/src/isnd/WebApiIdsNamingPolicy.cs b/src/isnd/WebApiIdsNamingPolicy.cs
deleted file mode 100644
index ec34669..0000000
--- a/src/isnd/WebApiIdsNamingPolicy.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-using System.Text.Json;
-
-namespace isnd
-{
-    internal class TypeIdNamingPolicy : JsonNamingPolicy
-    {
-        public override string ConvertName(string name)
-        {
-            if (name == "Id") return "@id";
-            if (name == "Type") return "@type";
-            return "" + char.ToLower(name[0]) + name[1..];
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/isnd/WebApiReferenceResolver.cs b/src/isnd/WebApiReferenceResolver.cs
deleted file mode 100644
index f6a4b11..0000000
--- a/src/isnd/WebApiReferenceResolver.cs
+++ /dev/null
@@ -1,98 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Text.Json.Serialization;
-using isnd.Data.Catalog;
-
-namespace isnd
-{
-    class WebApiReferenceHandler : ReferenceHandler
-{
-    public WebApiReferenceHandler() => Reset();
-    private ReferenceResolver? _rootedResolver;
-    public override ReferenceResolver CreateResolver() => _rootedResolver!;
-    public void Reset() => _rootedResolver = new WebApiReferenceResolver();
-}
-
-    public class WebApiReferenceResolver : ReferenceResolver
-    {
-        private int delautIdCounter;
-
-        Dictionary<string, Permalink> HappyIdOwners { get; set; } 
-
-        Dictionary<int,object> Objects {get; set;} 
-
-        public WebApiReferenceResolver()
-        {
-            delautIdCounter = 0;
-            HappyIdOwners = new Dictionary<string, Permalink>();
-            Objects = new Dictionary<int, object>();
-        }
-
-        public override void AddReference(string referenceId, object value)
-        {
-            if (value is Permalink)
-            {
-                string hoi = (value as Permalink).GetId();
-                if (HappyIdOwners.ContainsKey(hoi))
-                {
-                    return;
-                }
-                HappyIdOwners[hoi] = value as Permalink;
-            }
-            else
-            {
-                if (Objects.ContainsValue(value))
-                {
-                    return;
-                }
-
-                delautIdCounter++;
-                Objects[delautIdCounter] = value;
-            } 
-        }
-
-        public override string GetReference(object value, out bool alreadyExists)
-        {
-            if (value is Permalink)
-            {
-                string oid = (value as Permalink).GetId();
-                if (oid == null)
-                    throw new System.Exception("HappyIdOwner Id property is null");
-                if (HappyIdOwners.ContainsKey(oid))
-                {
-                    alreadyExists=true;
-                    return oid;
-                }
-                alreadyExists=false;
-                AddReference(oid, value);
-                return oid;
-            }
-            alreadyExists=false;
-           
-            if (Objects.ContainsValue(value))
-            {
-                alreadyExists=true;
-                return Objects.First( ode => ode.Value ==value).Key.ToString();
-            }
-            alreadyExists=false;
-            delautIdCounter++;
-            Objects[delautIdCounter]=value;
-            return delautIdCounter.ToString();
-        }
-
-        public override object ResolveReference(string referenceId)
-        {
-            if (HappyIdOwners.ContainsKey(referenceId))
-                return HappyIdOwners[referenceId];
-            int refNId;
-            if (int.TryParse(referenceId, out refNId))
-            {
-                if (Objects.ContainsKey(refNId))
-                {
-                    return Objects[refNId];
-                }
-            }
-            return null;
-        }
-    }
-}
\ No newline at end of file