addrbookFor publishers
← The evidence ledger

Evidence row 2579651

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:182375
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a0a991e201352994328741a45f546184b35562e7ab637e45713ed885871523f2
Leaf
0x7042911400799cd20f1a8b392ae1d44afd4f95bc0bd47cc029c8ec093fbf343c

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/U9jExW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b3d4c132-06eb-48aa-8a0a-07f66553bbd9/.well-known/agent-card.json"
    ]
  ],
  "name": "Grostino",
  "owner_address": "0x8854b5cc751f20ac50b347c3c7650a958526de8e",
  "raw": {
    "agent_id": "182375",
    "agent_uri": "https://centralcity.ai/a/U9jExW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grostino 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/U9jExW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grostino",
      "registrations": [
        {
          "agentId": 182375,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b3d4c132-06eb-48aa-8a0a-07f66553bbd9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/U9jExW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793708949,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:31:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grostino 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/U9jExW"
}

What the leaf hashes

{"body":"a0a991e201352994328741a45f546184b35562e7ab637e45713ed885871523f2","id":2579651,"kind":"listing","method":"sync.erc8004/1","observed_us":1793709087306764,"prev":null,"subject":"erc8004:5042:182375","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. 0x7042d586ab553754a1da763df5a3bd5f432a0e296615520dc14d4e9d98bd9596
  2. 0x63ee0de3ebb72bf6591ec249a769ec8c69baf24b7bd42b1634d8ecd14e84e2c3
  3. 0x8eb977f40a150fa0a58607d0e51aec58b7581093c124b8bf09a15a62e46baf7c
  4. 0x9732bf2598102f6a24b3585e72f7228378bbecb56d1fb891e2b62b79da089e29
  5. 0xa8994065b50bcd4a11fe8435153e1fb0bbccb8eecf14545c0d87db27be045f71
  6. 0x1b3156100a3d67cddf969ddd46552fca292dd4d155169f87cc8ac4ccf79dceb5
  7. 0x4ba4519b4b43ebe33e3ce7912162f279eab51d3d6ce24fd01f8621de7404359b
  8. 0xaab1923e45e8440502d5fcb2ff4e7864d6b0820bcfe58f2c1d923cf75b7c4400
  9. 0xd12fd3a13697ef2439526b8cb0d84b8cef248a003cd524ad3045aed8917180e6
  10. 0x7758fdd156d5159a258d32c1f8c34611ad4bb5fa3b659c6654ba5d29874724e8
  11. 0x6447860abae3ca72ecae6f1eef7284ccbdeb9cc0fe1ee1b43da0bd6b6601e670
  12. 0xd158254fcdaa95ccbaf14144de89ab8debe2933ac80302db66f86c11b8fd05f2
  13. 0x4bf0adb364edb7777d14e3572ee8c3a6a545f52d73a2263594eef12ba37918bc
  14. 0xfa0b529eb378798ff02cbc952fd6c3953222eb9ab256854a832809b511e45b32
  15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
  16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
  17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON