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Evidence row 1772160

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:8112
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
40c5847212d5a4ed32d02d8e7e9c77eb3e59dd95c350cb9d5fd33eafb373ea38
Leaf
0x076ef610ddb1607c35a51d679079dccc0c09dddac1c7572c8b2ed47b26c421c6

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xDXwgQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1c2d8ca5-1ee1-4a2c-b524-d6660f1f2b89/.well-known/agent-card.json"
    ]
  ],
  "name": "Matjo",
  "owner_address": "0x783a81d0348771127c428f52947817636af99919",
  "raw": {
    "agent_id": "8112",
    "agent_uri": "https://centralcity.ai/a/xDXwgQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Matjo 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/xDXwgQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Matjo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1c2d8ca5-1ee1-4a2c-b524-d6660f1f2b89/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xDXwgQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:47:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Matjo 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/xDXwgQ"
}

What the leaf hashes

{"body":"40c5847212d5a4ed32d02d8e7e9c77eb3e59dd95c350cb9d5fd33eafb373ea38","id":1772160,"kind":"listing","method":"sync.erc8004/1","observed_us":1793548068432985,"prev":null,"subject":"erc8004:5042:8112","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x076f57649d0f6965bdb85ce0d74162845e05ac26835f6b746043f2a80fa75de2
  2. 0x8506640a9c32e1ee963d9945e998c64b6c75904f69d40f46786c1a358b3af37a
  3. 0x48faa9d4e782a41bc6691113d75b95b1282864888a3f32bcf1bf013a9b367f13
  4. 0xc35a2a5bfb9b16033217bdde9fb24b5550ede33280761e76c9f1b95eb7a57e68
  5. 0xfd0b3030da49acef660015a1dd524edd36f2851e2c6c224c79ee747156198ff9
  6. 0xb61ee986f7c3782ed6875feef9fae9979bbff159eea14d66dd5c832cd2b90fe8
  7. 0xa66f1232647427d26bfa385f28efad528e8e1c19b042f94b0e7ad77b054ee350
  8. 0x384d5681ae0cf4783f2a1265b8df54ea64df0d0e1b2d3f3c3019d7d7a4d81257
  9. 0x2a253ded43f927a383bf87c1cd70880264d1b327fc4eedbc77d5703df6c87ef5
  10. 0xa36c4c82be59c941abb0e6108bfa99e93b71f938f859a78a2b4c34370cb78414
  11. 0x327bc906fde3412a6e6c6aa3349b15ae5a22c47fb803a6fef13aaba19a4c4df4
  12. 0xc531c04bf0cf3c2a9e62fe179515cf2365b4c0bf229b81ae67d53e02e04711f4
  13. 0x004697fbbf039766877ca481e8fe5ce8927b2b3f8037101f578c29dbbc1244f7
  14. 0x18eb74a119177bb5bebcacf2408a5e6d3077ca72c11f6b567524be7d0ca76555
  15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
  16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
  17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON