addrbookFor publishers
← The evidence ledger

Evidence row 2605447

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:191770
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
9f1828ab985543bfff2d100e56aa8d31287789616f5137ff8116ae76b69185ed
Leaf
0x4c89413d5631d6f44fb59c1d92a80ba0681ee055aafe6ec819882cb073435683

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Qn2Fhc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/55922faa-8677-40aa-92c0-0cc69e1dbf9b/.well-known/agent-card.json"
    ]
  ],
  "name": "Numjo",
  "owner_address": "0x2d38dfcfcd357bb3680d75b5ad05337e0d0414ed",
  "raw": {
    "agent_id": "191770",
    "agent_uri": "https://centralcity.ai/a/Qn2Fhc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Numjo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/Qn2Fhc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Numjo",
      "registrations": [
        {
          "agentId": 191770,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/55922faa-8677-40aa-92c0-0cc69e1dbf9b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Qn2Fhc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793720546,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:43:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Numjo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/Qn2Fhc"
}

What the leaf hashes

{"body":"9f1828ab985543bfff2d100e56aa8d31287789616f5137ff8116ae76b69185ed","id":2605447,"kind":"listing","method":"sync.erc8004/1","observed_us":1793720592713201,"prev":null,"subject":"erc8004:5042:191770","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x4c893f59fefe09df58831fdc9841c3b3828c40f9062ce0c9d0a30ae10484c069
  2. 0x0f4584f31377c9b74b6b4b6ac5ac7804568d31cbf90933fddd40c194a45ce4e9
  3. 0x4d9c892d0cf9c387b9606e12949311cc81b1607dad7edd9010c904c1f5f83f18
  4. 0x23dfbc0a4a0efa2d54ff2356d7950d58368d4d1e952e1e567358b0ea43154b23
  5. 0x5ef84f640d14cf14faa2e72e160365ce8ac0c060160fc013dcecfb3341c98d34
  6. 0x6ce44bafda81a46d0a5c42f551202f290fa630ef2b6178d9c3559a01301287a1
  7. 0xec909f8988f514331f622c21fb8417e9959ac99d80e3be4c6397baca1667bf95
  8. 0xd99748e5aad67bf028a1ade9458436acf27428fc9e1b8d73489032245744edb7
  9. 0x1b697f42fdb60ca1473843e1915648271e43f8bf963ce9204aa8fdbe7db4b906
  10. 0x9b1d1713fc562243d59eb7b83bb9e86dcc6e7683ca499a8f734de5256e03c351
  11. 0x2b49120d86512ae7a9ae136dfb03f51d779a76ef3db525092e14b7aaa09147dc
  12. 0xe87813383a7f872644dd6399e954b60bc8b07556394d764e70aada0d1f862c6c
  13. 0x22f82e035d3ea6cb5d84043480913f82c413a83d3ed928d72d0127600d8acbe9
  14. 0x5e9968227987a7f0940fee03a33017f5e7157de7f0889921817733c1ab8871d1
  15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
  16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON