diff --git a/schemas/ae_chairs.schema.json b/schemas/ae_chairs.schema.json
index d43d8ca..7d2d551 100644
--- a/schemas/ae_chairs.schema.json
+++ b/schemas/ae_chairs.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/ae_chairs.schema.json",
   "title": "AEChair Collection",
   "description": "Array of AEChair records. Each element: An AE Chair with chairing history, pipeline status, and cross-conference service.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/AEChair"
diff --git a/schemas/ae_members.schema.json b/schemas/ae_members.schema.json
index e9fde43..d036bbe 100644
--- a/schemas/ae_members.schema.json
+++ b/schemas/ae_members.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/ae_members.schema.json",
   "title": "AEMember Collection",
   "description": "Array of AEMember records. Each element: An Artifact Evaluation committee member with service history and institutional affiliation.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/AEMember"
diff --git a/schemas/artifact_availability.schema.json b/schemas/artifact_availability.schema.json
index 0da2312..98e5535 100644
--- a/schemas/artifact_availability.schema.json
+++ b/schemas/artifact_availability.schema.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "https://reprodb.github.io/data-schemas/schemas/artifact_availability.schema.json",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "$defs": {
     "AvailabilityRecord": {
       "additionalProperties": false,
diff --git a/schemas/artifact_citations.schema.json b/schemas/artifact_citations.schema.json
index 4d902b3..9c9f81d 100644
--- a/schemas/artifact_citations.schema.json
+++ b/schemas/artifact_citations.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/artifact_citations.schema.json",
   "title": "ArtifactCitation Collection",
   "description": "Array of ArtifactCitation records. Each element: Citation counts for a single artifact DOI, aggregated from OpenAlex and Semantic Scholar.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/ArtifactCitation"
diff --git a/schemas/artifacts.schema.json b/schemas/artifacts.schema.json
index c0e4ce1..6f8bc86 100644
--- a/schemas/artifacts.schema.json
+++ b/schemas/artifacts.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/artifacts.schema.json",
   "title": "Artifact Collection",
   "description": "Array of Artifact records. Each element: A single research artifact associated with a conference paper.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/Artifact"
@@ -77,6 +77,19 @@
           "title": "Artifact Urls",
           "type": "array"
         },
+        "artifinder_urls": {
+          "description": "Artifact URLs discovered automatically by ArtiFinder (https://github.com/DistriNet/ArtiFinder) and matched to this paper by title + author list. These links were NOT manually verified by an artifact evaluation committee, carry no badges, and do not contribute to any artifact/reproducibility score. They may, however, be used for repository statistics when they point to a GitHub repo.",
+          "examples": [
+            [
+              "https://github.com/org/discovered-repo"
+            ]
+          ],
+          "items": {
+            "type": "string"
+          },
+          "title": "Artifinder Urls",
+          "type": "array"
+        },
         "doi": {
           "default": "",
           "description": "Canonical artifact DOI extracted from artifact_urls, e.g. '10.5281/zenodo.12345'. Empty string if none found.",
diff --git a/schemas/artifacts_by_conference.schema.json b/schemas/artifacts_by_conference.schema.json
index 13303c9..1c9c0ed 100644
--- a/schemas/artifacts_by_conference.schema.json
+++ b/schemas/artifacts_by_conference.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/artifacts_by_conference.schema.json",
   "title": "ConferenceEntry Collection",
   "description": "Array of ConferenceEntry records. Each element: Artifact counts and badge breakdowns for a single conference across all tracked years.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/ConferenceEntry"
diff --git a/schemas/artifacts_by_year.schema.json b/schemas/artifacts_by_year.schema.json
index 501f149..5d13897 100644
--- a/schemas/artifacts_by_year.schema.json
+++ b/schemas/artifacts_by_year.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/artifacts_by_year.schema.json",
   "title": "ArtifactsByYear Collection",
   "description": "Array of ArtifactsByYear records. Each element: Total artifact count for a single year, split into systems and security conferences.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/ArtifactsByYear"
diff --git a/schemas/author_index.schema.json b/schemas/author_index.schema.json
index fb257cb..4241e72 100644
--- a/schemas/author_index.schema.json
+++ b/schemas/author_index.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/author_index.schema.json",
   "title": "AuthorIndexEntry Collection",
   "description": "Array of AuthorIndexEntry records. Each element: Canonical author record: stable ID, name, affiliation, external identifiers, and enrichment history.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/AuthorIndexEntry"
diff --git a/schemas/author_profiles.schema.json b/schemas/author_profiles.schema.json
index d179bb9..ffe96a4 100644
--- a/schemas/author_profiles.schema.json
+++ b/schemas/author_profiles.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/author_profiles.schema.json",
   "title": "AuthorProfile Collection",
   "description": "Array of AuthorProfile records. Each element: Unified author profile combining publication record, artifact metrics, and AE committee service.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/AuthorProfile"
diff --git a/schemas/author_stats.schema.json b/schemas/author_stats.schema.json
index 1753ed9..4aa7df0 100644
--- a/schemas/author_stats.schema.json
+++ b/schemas/author_stats.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/author_stats.schema.json",
   "title": "AuthorStats Collection",
   "description": "Array of AuthorStats records. Each element: Per-author artifact statistics including badge counts, paper breakdowns, and conference history.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/AuthorStats"
diff --git a/schemas/chair_stats.schema.json b/schemas/chair_stats.schema.json
index 4f580ea..288d209 100644
--- a/schemas/chair_stats.schema.json
+++ b/schemas/chair_stats.schema.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "https://reprodb.github.io/data-schemas/schemas/chair_stats.schema.json",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "$defs": {
     "ChairStatsSummary": {
       "additionalProperties": false,
diff --git a/schemas/combined_rankings.schema.json b/schemas/combined_rankings.schema.json
index 29c4583..f40faa5 100644
--- a/schemas/combined_rankings.schema.json
+++ b/schemas/combined_rankings.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/combined_rankings.schema.json",
   "title": "AuthorRanking Collection",
   "description": "Array of AuthorRanking records. Each element: Author ranking entry combining artifact contributions, citation impact, and AE committee service.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/AuthorRanking"
diff --git a/schemas/committee_stats.schema.json b/schemas/committee_stats.schema.json
index 3f70bec..b153256 100644
--- a/schemas/committee_stats.schema.json
+++ b/schemas/committee_stats.schema.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "https://reprodb.github.io/data-schemas/schemas/committee_stats.schema.json",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "$defs": {
     "CommitteeSize": {
       "additionalProperties": false,
diff --git a/schemas/institution_ranking_history.schema.json b/schemas/institution_ranking_history.schema.json
index 08bf0ce..2640402 100644
--- a/schemas/institution_ranking_history.schema.json
+++ b/schemas/institution_ranking_history.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/institution_ranking_history.schema.json",
   "title": "InstitutionRankingHistoryEntry Collection",
   "description": "Array of InstitutionRankingHistoryEntry records. Each element: Dated snapshot of all institution rankings, enabling rank-over-time analysis.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/InstitutionRankingHistoryEntry"
diff --git a/schemas/institution_rankings.schema.json b/schemas/institution_rankings.schema.json
index 375c3a2..145e39f 100644
--- a/schemas/institution_rankings.schema.json
+++ b/schemas/institution_rankings.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/institution_rankings.schema.json",
   "title": "InstitutionRanking Collection",
   "description": "Array of InstitutionRanking records. Each element: Institution ranking aggregating artifact production, citation impact, and AE committee service across affiliated authors.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/InstitutionRanking"
@@ -374,7 +374,8 @@
         "artifact_pct",
         "author_count",
         "conferences",
-        "years"
+        "years",
+        "top_authors"
       ],
       "title": "InstitutionRanking",
       "type": "object"
diff --git a/schemas/paper_index.schema.json b/schemas/paper_index.schema.json
index 7907cfc..d1dc58a 100644
--- a/schemas/paper_index.schema.json
+++ b/schemas/paper_index.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/paper_index.schema.json",
   "title": "Paper Collection",
   "description": "Array of Paper records. Each element: A paper published at a tracked conference, with artifact badges and citation data.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/Paper"
diff --git a/schemas/participation_stats.schema.json b/schemas/participation_stats.schema.json
index 4c10474..d27e56e 100644
--- a/schemas/participation_stats.schema.json
+++ b/schemas/participation_stats.schema.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "https://reprodb.github.io/data-schemas/schemas/participation_stats.schema.json",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "$defs": {
     "AreaTrend": {
       "additionalProperties": false,
diff --git a/schemas/ranking_history.schema.json b/schemas/ranking_history.schema.json
index 9cc47dc..10589db 100644
--- a/schemas/ranking_history.schema.json
+++ b/schemas/ranking_history.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/ranking_history.schema.json",
   "title": "RankingHistoryEntry Collection",
   "description": "Array of RankingHistoryEntry records. Each element: Dated snapshot of all author rankings, enabling rank-over-time analysis.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/RankingHistoryEntry"
diff --git a/schemas/repo_stats.schema.json b/schemas/repo_stats.schema.json
index c92e6d0..11e4320 100644
--- a/schemas/repo_stats.schema.json
+++ b/schemas/repo_stats.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/repo_stats.schema.json",
   "title": "RepoStatsEntry Collection",
   "description": "Array of RepoStatsEntry records. Each element: GitHub/Zenodo repository metrics for a single artifact (stars, forks, views, downloads).",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/RepoStatsEntry"
diff --git a/schemas/repo_stats_summary.schema.json b/schemas/repo_stats_summary.schema.json
index ab3e241..cef4c67 100644
--- a/schemas/repo_stats_summary.schema.json
+++ b/schemas/repo_stats_summary.schema.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "https://reprodb.github.io/data-schemas/schemas/repo_stats_summary.schema.json",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "$defs": {
     "AreaRepoStats": {
       "additionalProperties": false,
diff --git a/schemas/repo_stats_yearly.schema.json b/schemas/repo_stats_yearly.schema.json
index 98e7a28..492223f 100644
--- a/schemas/repo_stats_yearly.schema.json
+++ b/schemas/repo_stats_yearly.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/repo_stats_yearly.schema.json",
   "title": "RepoStatsYearly Collection",
   "description": "Array of RepoStatsYearly records. Each element: Yearly repository statistics split by area (all, systems, security) with aggregate GitHub metrics.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/RepoStatsYearly"
diff --git a/schemas/search_data.schema.json b/schemas/search_data.schema.json
index 6392d4e..9901500 100644
--- a/schemas/search_data.schema.json
+++ b/schemas/search_data.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/search_data.schema.json",
   "title": "SearchEntry Collection",
   "description": "Array of SearchEntry records. Each element: Searchable artifact entry with paper metadata, badges, author names, and institutional affiliations.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/SearchEntry"
@@ -75,6 +75,19 @@
           "title": "Artifact Urls",
           "type": "array"
         },
+        "artifinder_urls": {
+          "description": "Artifact URLs discovered by ArtiFinder and matched to this paper. Not manually verified, no badges, excluded from all scores. Shown in the UI with an 'Artifinder' marker.",
+          "examples": [
+            [
+              "https://github.com/org/discovered-repo"
+            ]
+          ],
+          "items": {
+            "type": "string"
+          },
+          "title": "Artifinder Urls",
+          "type": "array"
+        },
         "doi_url": {
           "description": "Paper DOI URL, e.g. 'https://doi.org/10.1145/...'. Empty string if not available.",
           "examples": [
@@ -175,6 +188,19 @@
             "Distinguished Artifact"
           ],
           "title": "Award"
+        },
+        "source": {
+          "default": "ae",
+          "description": "Provenance of the entry: 'ae' for papers that went through artifact evaluation (they may still carry additional artifinder_urls), or 'artifinder' for papers that were only discovered by ArtiFinder and never went through AE (no badges, no scores).",
+          "enum": [
+            "ae",
+            "artifinder"
+          ],
+          "examples": [
+            "ae"
+          ],
+          "title": "Source",
+          "type": "string"
         }
       },
       "required": [
diff --git a/schemas/summary.schema.json b/schemas/summary.schema.json
index a765da1..4c00157 100644
--- a/schemas/summary.schema.json
+++ b/schemas/summary.schema.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "https://reprodb.github.io/data-schemas/schemas/summary.schema.json",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "additionalProperties": false,
   "description": "High-level summary: total artifact and conference counts, year range, and last-updated timestamp.",
   "properties": {
diff --git a/schemas/top_repos.schema.json b/schemas/top_repos.schema.json
index 3294382..1659da8 100644
--- a/schemas/top_repos.schema.json
+++ b/schemas/top_repos.schema.json
@@ -3,7 +3,7 @@
   "$id": "https://reprodb.github.io/data-schemas/schemas/top_repos.schema.json",
   "title": "TopRepo Collection",
   "description": "Array of TopRepo records. Each element: Top-ranked artifact repository by GitHub stars, with paper metadata and activity info.",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "array",
   "items": {
     "$ref": "#/$defs/TopRepo"