Evidence row 569792

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Read-only view of the most recent local daily scan artifact covering 6 regions: Japan, Singapore/China, India, Korea, Brazil/LatAm, Africa. Returns MCP-ready companies, funded entities, compliance signals. The artifact is written once per day by a separate scanner job; this tool performs no live scanning and no network requests.",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 10,
            "description": "Max results (default 10, max 30)",
            "type": "integer"
          },
          "region": {
            "description": "Filter by region (optional)",
            "enum": [
              "japan",
              "sg_china",
              "india",
              "korea",
              "latam",
              "africa"
            ],
            "type": "string"
          },
          "tag": {
            "description": "Filter by signal type (optional)",
            "enum": [
              "mcp_ready",
              "funded",
              "eu_interest",
              "ai_agent",
              "compliance"
            ],
            "type": "string"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "nomos_asia_market_scan"
    },
    {
      "description": "Cross-border regulatory preflight for agent data flows. Checks jurisdiction pair (EU, JP, IN, KR, SG, CN, BR, NG, ZA, MX) and data category against a local policy matrix. Returns verdict: ALLOW / ALLOW_PUBLIC_SIGNAL_ONLY / REVIEW / BLOCK (or ERROR for unsupported input), plus blocked_fields, sccs_required, risk_level, matrix_coverage and evidence_hash. Local lookup only — no network access, no legal advice.",
      "inputSchema": {
        "examples": [
          {
            "data_category": "mcp_capability_signal",
            "source_regime": "EU",
            "target_regime": "JP"
          },
          {
            "data_category": "public_company_signal",
            "source_regime": "EU",
            "target_regime": "BR"
          },
          {
            "data_category": "funding_signal",
            "source_regime": "EU",
            "target_regime": "NG"
          }
        ],
        "properties": {
          "data_category": {
            "description": "Type of data being transferred",
            "enum": [
              "funding_signal",
              "public_company_signal",
              "mcp_capability_signal",
              "personal_contact_data",
              "financial_data",
              "biometric_data",
              "compliance_evidence",
              "market_intelligence"
            ],
            "examples": [
              "mcp_capability_signal",
              "public_company_signal"
            ],
            "type": "string"
          },
          "source_regime": {
            "description": "Source jurisdiction code: EU, JP, IN, KR, SG, CN, BR, NG, ZA, MX",
            "enum": [
              "EU",
              "JP",
              "IN",
              "KR",
              "SG",
              "CN",
              "BR",
              "NG",
              "ZA",
              "MX"
            ],
            "examples": [
              "EU",
              "JP",
              "BR"
            ],
            "type": "string"
          },
          "target_regime": {
            "description": "Target jurisdiction code",
            "enum": [
              "EU",
              "JP",
              "IN",
              "KR",
              "SG",
              "CN",
              "BR",
              "NG",
              "ZA",
              "MX"
            ],
            "examples": [
              "JP",
              "BR",
              "NG"
            ],
            "type": "string"
          }
        },
        "required": [
          "source_regime",
          "target_regime",
          "data_category"
        ],
        "type": "object"
      },
      "name": "nomos_crossborder_preflight"
    },
    {
      "description": "Search a small static curated catalog of OracleNet MCP tools by keyword and category. Returns tool names, endpoints, protocol support. Local data only — does not probe, crawl or contact any network endpoint.",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "Tool category filter",
            "enum": [
              "compliance",
              "blockchain",
              "finance",
              "intelligence",
              "identity",
              "payments"
            ],
            "type": "string"
          },
          "query": {
            "description": "Search keyword (e.g. 'compliance', 'x402', 'sanctions')",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "nomos_mcp_tool_discovery"
    },
    {
      "description": "Look up a NOMOS operation record by its exact SHA-256 receipt hash in the local handshake audit log. Requires a full 64-hex hash, optionally 'sha256:'-prefixed; matching is exact against the stored receipt_hash/entry_hash fields. This is a record lookup, NOT cryptographic signature verification — the response always reports cryptographically_verified: false.",
      "inputSchema": {
        "properties": {
          "receipt_hash": {
            "description": "Full SHA-256 receipt hash from a previous NOMOS operation (64 hex chars, optional 'sha256:' prefix)",
            "type": "string"
          }
        },
        "required": [
          "receipt_hash"
        ],
        "type": "object"
      },
      "name": "nomos_signed_receipt_verify"
    },
    {
      "description": "Get a stateless, unsigned, informational x402 price quote for NOMOS services. Tier 1: $0.02 simple verdict | Tier 2: $0.05 verdict + evidence | Tier 3: $0.10 full packet. Returns payTo address, network (Base mainnet), amount in USDC atomic units, and a deterministic quote digest (not a signature). No payment is initiated and nothing is signed, persisted or reserved; expiry is informational only.",
      "inputSchema": {
        "properties": {
          "service": {
            "description": "Service to quote",
            "enum": [
              "crossborder_preflight",
              "asia_market_scan",
              "signed_receipt"
            ],
            "type": "string"
          },
          "tier": {
            "default": 1,
            "description": "Pricing tier: 1 (simple), 2 (with evidence), 3 (full packet)",
            "enum": [
              1,
              2,
              3
            ],
            "type": "integer"
          }
        },
        "required": [
          "service"
        ],
        "type": "object"
      },
      "name": "nomos_x402_quote"
    }
  ]
}

What the leaf hashes

{"body":"1c0b8a1976b8c7fa7d710c5b77fe355a7fb8cfbda10e6bc4544ab89b17c297b4","id":569792,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793139511178027,"prev":null,"subject":"51055549-257d-4efb-a4ed-a5415aae3602","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x42cfe0e9527615710767ca6be8e0a46472c757ae628ebed33ca8e9957916f473
2. 0x131f18b5b30d6c4855bb4c2aa23c1b7587b9fefb18b11cc437eae16bd38eaed9
3. 0xe37fe2bae83ae490e3594ef80305e82bec83251cc91c2464a46b14f04f64b50a
4. 0xd485aab55205f4ac477a0f8bdb3dbd32514abf2da29719b1f4c05e558db22f8a
5. 0xd7352f6dc5db6503a0e69972aebf0d716e501beacd746194886bbc6bf34a3aff
6. 0xb5a9cd1a5236ae8e524ddd3137fc8599708df6fa9a4103d359be7a54a10c8117
7. 0x339de801f69273653769d3d647ae435170b6e9b2b7f4db609974f55a7e03e9a1
8. 0x6e68e008fa731b592fad87d021a759d42cfae72c75347f3ff3bd6092207c4ee6
9. 0x9e794af907f2996a7584b520d6a848d270f46613f26d0b2a50d69a67d127f826
10. 0x232611ceb41528cfb1bfaa047a8b5dd62cbd5c10b827e3aac64ba02d97562966
11. 0xb0dc7eed01b5a695ca9cedf0d1edb8657bace4dd0c8093d1309bd503047ae4e7
12. 0xc897d71d9632ce913abe93619ab42cfbeb45fae1da80e2533fb77a3b950138a9
13. 0x4b4a1e815a33d351cc45dfa35f97aef5faf461590a54756a40dc36a0bbabf04b
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4