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Evidence row 2308280

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:144497
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
7267e7b4ab7c218b843533c538cf7ba88ab4259c3df6c2b9a62fba61f2994399
Leaf
0x212136de0a422096e1cf48b6791214d653cbc001e70513539f72787810782dce

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/56byES"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f1930175-918d-4af3-9887-6fb61977d659/.well-known/agent-card.json"
    ]
  ],
  "name": "Grantero",
  "owner_address": "0xaf2d7b5a84e00afd1ef286f1c0f7f7f675eadfa1",
  "raw": {
    "agent_id": "144497",
    "agent_uri": "https://centralcity.ai/a/56byES",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grantero is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/56byES",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grantero",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f1930175-918d-4af3-9887-6fb61977d659/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/56byES",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:19:40Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grantero is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/56byES"
}

What the leaf hashes

{"body":"7267e7b4ab7c218b843533c538cf7ba88ab4259c3df6c2b9a62fba61f2994399","id":2308280,"kind":"listing","method":"sync.erc8004/1","observed_us":1793665180348931,"prev":null,"subject":"erc8004:5042:144497","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. 0x212137cf468bdd1285f606818f1cccb01c3f339ee6355f1decc2b413b60adc83
  2. 0x9fc6672250ea005c8e75956d6026de99fe73a939f6d36800d66636468691b478
  3. 0x998e9ddf298a53ae37cfcd8acc37f9bf2e4d3b039d1684c6c6bcd3d637ba7116
  4. 0xf4bf6b53e0febc6abe5823091887ece19ecc3c0e306e7159fcf6fae8dd5044dd
  5. 0x22d213868cd3875457793fc1657d3f173a8364bbd48bc8c9e5001d998d24c1c9
  6. 0x2562a8c2aa3566ce1a923465dc4af6104802fe48ab7c53a7ed1f744c45941f24
  7. 0x1744968ebcf0ca83e0c81bcbcacd7b641d528c940af8ed4636620563000b8f9c
  8. 0x5655c1789132bde4024c93d4e6d108a94eba86da596a9045747dfe8f04003499
  9. 0x98be3b168fff92bad5fc4357a5e196c97cc1a92b15cbe23bdc0efcfe577ddb54
  10. 0x5ce34619045b0a0d5ee79e9f07d9b7e95b25b0609e1a3f4806336e9afa0eccf0
  11. 0xfe78ecad1e473783f752a760f31dcbf1d0b86fa5f8fd7ba04621d5b0de7f5d21
  12. 0x8b14f1e53c15f289f0732c021ea844f0e0bb2b3ddf7f4ad8deb748b6e07c3e89
  13. 0xfb5a34649a5338bf52060a8127910a8cad79eb45a3dc649b67b230ac03180f43
  14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
  15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
  16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON