addrbookFor publishers
← The evidence ledger

Evidence row 2566936

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:176739
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
bccec85e41528b4b95b4b22d392b7ca81333b787b47945a0fe5e4001ef956274
Leaf
0x171557508efc65d7e37f91df332dd7bf7c1862bb07807e01e8e1dac53be2bd89

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/gEsxQX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/91469108-a760-43fe-a9e1-3bae38a6f932/.well-known/agent-card.json"
    ]
  ],
  "name": "Gramarlet",
  "owner_address": "0x764a0d3e80fae476fbb16385e990f4cc8bdd81e3",
  "raw": {
    "agent_id": "176739",
    "agent_uri": "https://centralcity.ai/a/gEsxQX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gramarlet 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/gEsxQX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gramarlet",
      "registrations": [
        {
          "agentId": 176739,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/91469108-a760-43fe-a9e1-3bae38a6f932/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/gEsxQX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793702257,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T10:38:53Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gramarlet 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/gEsxQX"
}

What the leaf hashes

{"body":"bccec85e41528b4b95b4b22d392b7ca81333b787b47945a0fe5e4001ef956274","id":2566936,"kind":"listing","method":"sync.erc8004/1","observed_us":1793702333053181,"prev":null,"subject":"erc8004:5042:176739","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. 0x1715c439bec3eb60401fdeda1573d2d179e413b521156c38af9b7827acc15ca7
  2. 0x9b216825919ea941e483d67895ba4061bcee3f47891dea1ac9486e5b195678d6
  3. 0xddc76148cfea3eb87e282c42bf65c974a707f89648976567e4c922bae7bd6b3d
  4. 0x481e141912259d2b8c61a2720a635ccbe2fb2e51debf311ef8026dc5f4063d5e
  5. 0x6ce25c2a9e97ac4e86e60b04870777dbfec5be1a3bc811e1acecc8967b5557d8
  6. 0x86d3d10e1cc76d734aa812a1fb05c287f5e62a8acc25234555de451be8020c85
  7. 0x89de411675df03149f3d1fcdd492d28ab0602e2391e75d27dcd8b900ab995145
  8. 0x14be5cbc8a6b1264ebcdbdd6657abdeb80bb0fc68d7b1a80593f3b8d7b513f30
  9. 0xec0b8f1e5a166cc3a32e0caebe5f563e51601536494f09f9c69dd4b979eb0019
  10. 0xb616ccf3615438668a0f39cfaa2278e4c5e4aa5ebdd4b401f93bec30583302e8
  11. 0xf48112c63d4772517c69389a71489e3a3e994502249326b26c5c083200596d32
  12. 0xdc7e3be6affe8e3653d730246dee639c21857544d7c28cfe4ecbec4484d07e5b
  13. 0x44a929c85a68a4bfc920e6f6a76cc8d1505a44eb82a85347db81eea2551d3a16
  14. 0x66e70e2e75d77163246a8096eab56d11301f21ccfe90f151078a58d2560d35c7
  15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
  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