EAT overnight: restore signed UNMEASURED coverage-card.json.

coverage-card.json

@@ -1,12 +1,6 @@
 {
-  "schema": "https://councilof.ai/schema/card-v0.json",
-  "surface": "public.notice",
-  "subject": "GSPC regulatory-framework UNMEASURED coverage",
   "as_of": "2026-08-31T13:15:03Z",
-  "source_urls": [
-    "https://councilof.ai/api/gspc",
-    "https://huggingface.co/datasets/csoai/gspc-regulatory-framework"
-  ],
+  "did": "did:web:csoai.org#board-attestation-1",
   "payload": {
     "axis": "regulatory-framework",
     "cite": "https://councilof.ai/api/gspc",
@@ -20,18 +14,22 @@
     "status": "UNMEASURED",
     "task": "is the governing regime declared and confirmable?"
   },
+  "schema": "https://councilof.ai/schema/card-v0.json",
   "sha256": "544834c32f4a4a75692b9bb725888b19f091d5f157f43af66802b0962560fe92",
-  "signed": false,
-  "sig_ed25519": null,
-  "unmeasured": [
-    "regulatory-framework",
-    "n=0",
-    "sig_ed25519"
+  "sig_ed25519": "e0dea7f3e1d7769c4a6fb105921b18f281e9c16dd97ad6eb438497926744c2a09dc543b0e90abadfa4af476e9f89b6759fd2a1693ba3064ba9b89f0a067b4608",
+  "source_urls": [
+    "https://councilof.ai/api/gspc",
+    "https://huggingface.co/datasets/csoai/gspc-regulatory-framework"
   ],
+  "subject": "GSPC regulatory-framework UNMEASURED coverage",
+  "surface": "public.notice",
   "tags": [
     "coverage:UNMEASURED",
     "not-a-grade",
     "no-composite"
   ],
-  "note": "Unsigned UNMEASURED shell. Ready \u2260 measured. No board DID on n=0. Not a grade. Not a certificate."
+  "unmeasured": [
+    "regulatory-framework",
+    "n=0"
+  ]
 }