addrbookFor publishers
← The evidence ledger

Evidence row 2552280

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:169143
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
bd82ffe91bd6bb5509352367377ce3f232d553a9894811285a201aac50c31603
Leaf
0x2a7f82adb4516c8bbff559cb45049316976e08322812e0c92246200b5796bb36

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BOKKdY"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/69a3927e-e1e8-4553-b2f4-7543bbeea662/.well-known/agent-card.json"
    ]
  ],
  "name": "Maampus",
  "owner_address": "0xfa8244d4526c18b12d4404c416c5a5e2b5e0c4b0",
  "raw": {
    "agent_id": "169143",
    "agent_uri": "https://centralcity.ai/a/BOKKdY",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maampus 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/BOKKdY",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maampus",
      "registrations": [
        {
          "agentId": 169143,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/69a3927e-e1e8-4553-b2f4-7543bbeea662/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BOKKdY",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793693294,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:12:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maampus 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/BOKKdY"
}

What the leaf hashes

{"body":"bd82ffe91bd6bb5509352367377ce3f232d553a9894811285a201aac50c31603","id":2552280,"kind":"listing","method":"sync.erc8004/1","observed_us":1793693548576864,"prev":null,"subject":"erc8004:5042:169143","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. 0x2a7f4d2c7e3f8257aebbd3b6867352c66008c34e026b86e5ed03273984e4f127
  2. 0xdef661fd83f5e2d96ab668bfe2cf6f75e7273a76c56836964c70f26e4e95f92a
  3. 0x6e21d75871f1f629b80f18cda8d634843c4663718fa1fb121640718f9726da10
  4. 0xef319ec61a0f41337e18b5ce9e6c966e98fa29d566fa74eb207a436a418d7dd6
  5. 0x9eddf51aed2e0470362fb6219cbc6469da43fd08d057d23983014bcf7e6780db
  6. 0x94fef78171cdd38686b3690942c26c94c94118a6b694c2491d07c3e7c624af0a
  7. 0x47136311aab82bd806f6292d8b2c6129a8e693fbdc275ed94a3a6eaad59d9878
  8. 0x27cc88b0cdaf6790b82251237c5bec333c2afebdba8e22db2b652cf9cfe72130
  9. 0x6a7ee7b6540bb28415c6171cfc5fd7665a70f4b36c0f713f435470fa058651d1
  10. 0x622c5836535fe8c9971f1990a46c1fe3a6b596c09788141fd29cf6659e09a178
  11. 0xf0b00e031695c10a131f79a22ede51f644d344be32ba3870af299dd97b95850f
  12. 0xca0ed45b9bab7317b587689c3cd798a6b8e25cc34eb22f75434d9b65b6f42231
  13. 0x8ddeb3c56ce5cac471fe9abaa367318e8aee30e13a0d5b99301fb73047c7b8f4
  14. 0xfa613c0d80cbcddee7d225a3ab575b2b3c7203ea9f8cf881bf1cd2ffed0f5a23
  15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
  16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
  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