addrbookFor publishers
← The evidence ledger

Evidence row 1831133

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:29323
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
aca228bad85f7b027c9234fc3faa5aacbb2bfe8680021f490d550262122c2006
Leaf
0x39cfd8c47b69bfd1e8788fa1dccf3e2b05c37ca859784e3cc50101d525290af0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6SJArR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e8e9cf4b-df16-4bcf-97e4-95570ed25458/.well-known/agent-card.json"
    ]
  ],
  "name": "Maaseon",
  "owner_address": "0xfe267538cb3fa105d2cb72da2aa817e6f3d4c281",
  "raw": {
    "agent_id": "29323",
    "agent_uri": "https://centralcity.ai/a/6SJArR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maaseon 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/6SJArR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maaseon",
      "registrations": [
        {
          "agentId": 29323,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e8e9cf4b-df16-4bcf-97e4-95570ed25458/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6SJArR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793568806,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:38:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maaseon 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/6SJArR"
}

What the leaf hashes

{"body":"aca228bad85f7b027c9234fc3faa5aacbb2bfe8680021f490d550262122c2006","id":1831133,"kind":"listing","method":"sync.erc8004/1","observed_us":1793569093856613,"prev":null,"subject":"erc8004:5042:29323","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. 0x39cf6e1272cb6f32c232bbb1bbd7d02203cdc2af318b89a342c810e05e4d2f47
  2. 0x20cbabefc83d82caff92a20519b823736d3241ff30b364581f5363b7deaa5ec1
  3. 0x49b4d84ed6cdba3ae37c03c31eb94fd4077b3116f6cad600394119709a182c1a
  4. 0xedac836c58ce38b05f6c3fece55aef6f22b73da652b5ba29e8b2dc7afcd306f7
  5. 0x526f4ae3282eee64267f78e139be7fd13d0fdf32cc73c68f1fdcbbfbb47c260a
  6. 0x05f7cb79836f1a50c5f5679174a5efa670486197e0e62454ba3e76639e70d998
  7. 0x2c382a1aafc15524cad4e09d7a8f3c2e713fae455eea425f52c75e2ed632a331
  8. 0x605963113ae4b30264ddf5404952276ac5ab0552beb3eb7cc3949907cd600b39
  9. 0xb608f47a1f6f66fcdf7a290d1f18fc87036ed46b9746656650589d9ad9a727c2
  10. 0x7271e4630141a63de84184d13f9d96907480d9d8c300910c13928062f7b7c877
  11. 0x4729a89ea5ebcbfed8e829290c0057fa4f3a504e87fb2450237f1b1ddddb79f0
  12. 0xc3c53aa8935f4c780e0604318a7b3faf20d27082014f36246fb418804dab2e05
  13. 0x28720157dfb204e575f9c0d1f725e8e1a816aa8cdff9b2a7135d27bf6c638bdd
  14. 0x07ea6ece7de601a64e2a172b49fb304109f2a8322814bef4c3168d05334b3609
  15. 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
  16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
  17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON