{
  "schema": "https://councilof.ai/schema/card-v0.json",
  "surface": "public.notice",
  "subject": "Circle USDC on XRPL — public.notice: strict_two_way_toml UNCHECKABLE (toml HTTP 404)",
  "as_of": "2026-09-02T04:40:00Z",
  "source_urls": [
    "https://councilof.ai/api/xrpl",
    "https://councilof.ai/interop/xrpl-two-way-check.json",
    "https://circle.com/.well-known/xrp-ledger.toml",
    "https://www.circle.com/.well-known/xrp-ledger.toml",
    "https://api.xrpscan.com/api/v1/account/rGm7WCVp9gb4jZHWTEtGUr4dd74z2XuWhE"
  ],
  "payload": {
    "kind": "csoai.public-notice/0.1",
    "status": "DISCOVERED",
    "honest_sentence": "strict_two_way_toml failed (UNCHECKABLE): on-ledger Domain present (circle.com) but https://circle.com/.well-known/xrp-ledger.toml returned HTTP 404 — not a bidirectional domain match.",
    "writes_board": false,
    "not_a_grade": true,
    "not_certification": true,
    "axes_cite": [
      "provenance-controls"
    ],
    "gspc_axis_projection_forbidden": true,
    "failed_check": "strict_two_way_toml",
    "two_way_state": "UNCHECKABLE",
    "two_way_reason": ".well-known/xrp-ledger.toml HTTP 404 (unreachable, never FAIL)",
    "issuer": "Circle",
    "symbols": [
      "USDC"
    ],
    "issuer_addresses": {
      "USDC": "rGm7WCVp9gb4jZHWTEtGUr4dd74z2XuWhE"
    },
    "on_ledger_domain": "https://circle.com",
    "reader_verified_via": "XRPScan well-known directory",
    "reader_as_of": "2026-09-01T23:15:51Z",
    "roster_source": "https://councilof.ai/api/xrpl",
    "two_way_check_source": "https://councilof.ai/interop/xrpl-two-way-check.json",
    "artefacts": [
      {
        "id": "api-xrpl",
        "role": "api-xrpl",
        "source_url": "https://councilof.ai/api/xrpl",
        "fetched_at": "2026-09-02T04:36:44Z",
        "http": 200,
        "bytes": 9039,
        "sha256": "8097c2a815f42dda08d55a11e623b8004104514791104a140aad3956488ec1cf"
      },
      {
        "id": "xrpl-two-way-check",
        "role": "xrpl-two-way-check",
        "source_url": "https://councilof.ai/interop/xrpl-two-way-check.json",
        "fetched_at": "2026-09-02T04:36:44Z",
        "http": 200,
        "bytes": 7938,
        "sha256": "85848181b51f74c610c27de5c3f98a599e994fd31577f21f7475b19bfccb095f"
      },
      {
        "id": "circle-toml",
        "role": "circle-toml",
        "source_url": "https://circle.com/.well-known/xrp-ledger.toml",
        "fetched_at": "2026-09-02T04:36:44Z",
        "http": 404,
        "bytes": 88,
        "sha256": "62b6eec5bc825126a7b9734e03ff00c9dc7899f3f07111746bf583d193b44dd0",
        "error": "HTTP Error 404: Not Found"
      },
      {
        "id": "circle-www-toml",
        "role": "circle-www-toml",
        "source_url": "https://www.circle.com/.well-known/xrp-ledger.toml",
        "fetched_at": "2026-09-02T04:36:44Z",
        "http": 404,
        "bytes": 88,
        "sha256": "62b6eec5bc825126a7b9734e03ff00c9dc7899f3f07111746bf583d193b44dd0",
        "error": "HTTP Error 404: Not Found"
      },
      {
        "id": "xrpscan-circle",
        "role": "xrpscan-circle",
        "source_url": "https://api.xrpscan.com/api/v1/account/rGm7WCVp9gb4jZHWTEtGUr4dd74z2XuWhE",
        "fetched_at": "2026-09-02T04:36:44Z",
        "http": 200,
        "bytes": 1608,
        "sha256": "a3f8d17391371ba10d2f4939cb0c99a45df949d961e4806e371cc91930f8ee5e"
      }
    ],
    "fetched_at": "2026-09-02T04:36:44Z",
    "verified_via": "keyless HTTPS GET + sha256 of exact bytes; two-way check re-cited, not invented"
  },
  "sha256": "dde95d4af9b6e4101939022378fffc8a37304c718ab0c4b1c26f774cbc747e40",
  "sig_ed25519": null,
  "did": "did:web:csoai.org#card-attestation-1",
  "unmeasured": [
    "strict_two_way_toml",
    "bidirectional domain match",
    "n>=30",
    "4way",
    "keystone",
    "gspc_score"
  ],
  "tags": [
    "public-notice",
    "xrpl",
    "strict_two_way_toml",
    "unsigned",
    "discovered",
    "circle-usdc"
  ],
  "note": "UNSIGNED card-v0. SIGNED needs keystone. Never MEASURED. Never claim bidirectional domain match when strict_two_way_toml failed."
}