diff --git a/data.json b/data.json
index e3ab1bf..f283c95 100644
--- a/data.json
+++ b/data.json
@@ -12,7 +12,7 @@
     "notable_additions": 18,
     "score_distribution": {
       "5_urgent": 7,
-"4_proactive": 18,
+      "4_proactive": 18,
       "3_cautious": 8,
       "2_dismissive": 8,
       "1_no_known_view": 27
@@ -424,7 +424,16 @@
       "summary": "No public statements on quantum risk; focused on multiprocess architecture",
       "key_source": null,
       "sources": [],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 11,
@@ -437,7 +446,16 @@
       "summary": "No public statements on quantum risk; focused on libbitcoinkernel",
       "key_source": null,
       "sources": [],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 12,
@@ -463,7 +481,16 @@
       "summary": "No public statements on quantum risk; focused on P2P relay and mempool",
       "key_source": null,
       "sources": [],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 14,
@@ -644,7 +671,16 @@
         "https://bips.dev/352/",
         "https://github.com/bitcoin/bips/blob/master/bip-0352.mediawiki"
       ],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 26,
@@ -691,7 +727,16 @@
       "summary": "No public statements on quantum risk",
       "key_source": null,
       "sources": [],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 29,
@@ -761,7 +806,16 @@
         "https://bitcoinops.org/en/newsletters/2025/08/01/",
         "https://bitcoinops.org/en/newsletters/2026/02/06/"
       ],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 34,
@@ -930,7 +984,7 @@
       "sources": [
         "https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2021-March/018645.html"
       ],
-"last_verified": "2026-05-11"
+      "last_verified": "2026-05-11"
     },
     {
       "rank": 45,
@@ -958,7 +1012,7 @@
       "sources": [
         "https://freicoin.substack.com/p/why-im-against-taproot"
       ],
-"last_verified": "2026-05-11"
+      "last_verified": "2026-05-11"
     },
     {
       "rank": 47,
@@ -997,7 +1051,7 @@
       "summary": "No public statements on quantum risk. May 2026 sweep of bitcoin-dev (gnusha.org), Delving Bitcoin (b10c.me), and BIP activity found no quantum-adjacent statements. Focus confirmed as Bitcoin Core dev, P2P network monitoring, and mining pool analysis.",
       "key_source": null,
       "sources": [],
-"last_verified": "2026-05-11"
+      "last_verified": "2026-05-11"
     },
     {
       "rank": 50,
diff --git a/public/data.json b/public/data.json
index e3ab1bf..f283c95 100644
--- a/public/data.json
+++ b/public/data.json
@@ -12,7 +12,7 @@
     "notable_additions": 18,
     "score_distribution": {
       "5_urgent": 7,
-"4_proactive": 18,
+      "4_proactive": 18,
       "3_cautious": 8,
       "2_dismissive": 8,
       "1_no_known_view": 27
@@ -424,7 +424,16 @@
       "summary": "No public statements on quantum risk; focused on multiprocess architecture",
       "key_source": null,
       "sources": [],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 11,
@@ -437,7 +446,16 @@
       "summary": "No public statements on quantum risk; focused on libbitcoinkernel",
       "key_source": null,
       "sources": [],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 12,
@@ -463,7 +481,16 @@
       "summary": "No public statements on quantum risk; focused on P2P relay and mempool",
       "key_source": null,
       "sources": [],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 14,
@@ -644,7 +671,16 @@
         "https://bips.dev/352/",
         "https://github.com/bitcoin/bips/blob/master/bip-0352.mediawiki"
       ],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 26,
@@ -691,7 +727,16 @@
       "summary": "No public statements on quantum risk",
       "key_source": null,
       "sources": [],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 29,
@@ -761,7 +806,16 @@
         "https://bitcoinops.org/en/newsletters/2025/08/01/",
         "https://bitcoinops.org/en/newsletters/2026/02/06/"
       ],
-      "last_verified": "2026-04-10"
+      "last_verified": "2026-05-13",
+      "update_history": [
+        {
+          "date": "2026-05-13",
+          "score_before": 1,
+          "score_after": 1,
+          "source": "null-result sweep",
+          "note": "May 2026 null-result sweep: searched bitcoin-dev ML (gnusha.org), Delving Bitcoin, GitHub BIP-360 PRs #2102/#2103, and Google Groups bitcoindev. No quantum/PQC statements found in 2026-04-10 to 2026-05-13 window. Score unchanged."
+        }
+      ]
     },
     {
       "rank": 34,
@@ -930,7 +984,7 @@
       "sources": [
         "https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2021-March/018645.html"
       ],
-"last_verified": "2026-05-11"
+      "last_verified": "2026-05-11"
     },
     {
       "rank": 45,
@@ -958,7 +1012,7 @@
       "sources": [
         "https://freicoin.substack.com/p/why-im-against-taproot"
       ],
-"last_verified": "2026-05-11"
+      "last_verified": "2026-05-11"
     },
     {
       "rank": 47,
@@ -997,7 +1051,7 @@
       "summary": "No public statements on quantum risk. May 2026 sweep of bitcoin-dev (gnusha.org), Delving Bitcoin (b10c.me), and BIP activity found no quantum-adjacent statements. Focus confirmed as Bitcoin Core dev, P2P network monitoring, and mining pool analysis.",
       "key_source": null,
       "sources": [],
-"last_verified": "2026-05-11"
+      "last_verified": "2026-05-11"
     },
     {
       "rank": 50,