addrbookFor publishers
← The evidence ledger

Evidence row 2733309

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:214348
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
6881c95c8f6fe201aca533a7ad44e8d73df4f1602721d9b1d9eedc07ae696714
Leaf
0x401723e2e4ec3d7e2d0a72a0ba8ef0646cbb4867e10bafa978346a227999b145

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/amFg00"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/82d1d8c0-e254-49a5-b123-381624338db7/.well-known/agent-card.json"
    ]
  ],
  "name": "Novo",
  "owner_address": "0x52d8677542a837ff0bf84614603407e95143bc09",
  "raw": {
    "agent_id": "214348",
    "agent_uri": "https://centralcity.ai/a/amFg00",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Novo 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/amFg00",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Novo",
      "registrations": [
        {
          "agentId": 214348,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/82d1d8c0-e254-49a5-b123-381624338db7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/amFg00",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793751906,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T00:26:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Novo 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/amFg00"
}

What the leaf hashes

{"body":"6881c95c8f6fe201aca533a7ad44e8d73df4f1602721d9b1d9eedc07ae696714","id":2733309,"kind":"listing","method":"sync.erc8004/1","observed_us":1793752011584104,"prev":null,"subject":"erc8004:5042:214348","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x40172a9d24ebcb8b62e52bcfe0e2db2652e0c60b5c8622fce2898d07aafc96c9
  2. 0xc7506d02f7a5f1e170beef06339f8d589eedf2d42f011b62bb7a4cf2eaf8d1ec
  3. 0x247a47e84d12b954c63a0d169556934d28908d7aec62cca687b9592e2b5aa12e
  4. 0x701c7183eec72a84db0fb0ff52ebc6b7e690f923969bb641eb47ecb6e14d2b6f
  5. 0xd4e1f0d9b3f37331b99a356e607438dee1ad27701ddbe2a00bbdc9eeea6c5af7
  6. 0xec2540762099dd8bf36fd1447f5e9ff3599c07bd16a5a43ea066c9121cc790ff
  7. 0x0d3fd2a52316a68034d5d2509b73e09d1c87987544048e33d5df1a691a6feb9f
  8. 0x719c49cc54537e0b0cee896d90823f2b1d97a1d39d41965f212e4786927a16ad
  9. 0xc65d82c3c6a5167c29e0e667bec4d5df62c6ac990a0070231879aadfde9ebd35
  10. 0xc0974d7a12d5de63144447f2c86ba882f7e7939dd0a224bef47915dcce66afc4
  11. 0x3767f9d48be974a9f6b9b2d1fab759358996f9cc52d7a2b601776312f0a8f669
  12. 0xb929cb97ae919408df98ed45d386359fecab4e5b8b097202c5e08f3fe23c7fc3
  13. 0xdec29d7e4054f7f2feeecfedca93a5f55f6fef0ef1d96f5adbaa18d4720c8c77
  14. 0x5d4b40cb7f9ad30e5c7ff0e3fa47a02233729423e5c48ec0640a59e60b744db9
  15. 0x0e7da910ed6633cc83110a62e4cfaf050cec994a935be0ff6262890125f0d2d8
  16. 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
  17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
  18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON