addrbookFor publishers
← The evidence ledger

Evidence row 2731202

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:213290
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
76621c43adc4dc2381e9fa2ffd8bf29436eb7185cfa205883589d5727866e400
Leaf
0xc9b285a0d1021c59449a780136b452b00294a9f710c14231b323e7d38157caa5

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Ng5qg0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ea99f5db-75cf-4b61-a42b-4d378b9e0335/.well-known/agent-card.json"
    ]
  ],
  "name": "Favebito",
  "owner_address": "0xdf2791418cd7057fed58e8144af6fa160222e143",
  "raw": {
    "agent_id": "213290",
    "agent_uri": "https://centralcity.ai/a/Ng5qg0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Favebito 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/Ng5qg0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Favebito",
      "registrations": [
        {
          "agentId": 213290,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ea99f5db-75cf-4b61-a42b-4d378b9e0335/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Ng5qg0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793750486,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T00:04:40Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Favebito 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/Ng5qg0"
}

What the leaf hashes

{"body":"76621c43adc4dc2381e9fa2ffd8bf29436eb7185cfa205883589d5727866e400","id":2731202,"kind":"listing","method":"sync.erc8004/1","observed_us":1793750680335873,"prev":null,"subject":"erc8004:5042:213290","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. 0xc9b2958e00b51cfff794f0ebd1d8b709f04b93972084df04961d895aa9073bc0
  2. 0x8a39495fa6734a1e9efa5a9d87ea3d2f8b82579101c7bde3bc818587d3faf7db
  3. 0xca49455f958ad8c2a7ae14fe303a4911b156c0edf46b74e75198861c773cbbcf
  4. 0x708b3a81410a5aa791b5a7b9cf9e42b99a8d398038befdb8cda5bde59e03ea7d
  5. 0x7fb4f1c5eb73751ec350daf35d7f0a40fa9a7ac9d17db8761cd80c7aab3299b4
  6. 0xea7bc1aebbb54d1a36f9050e113720e5c00c9d1764f1afcbbb029f7c30b4816c
  7. 0xd9d77caf0389b3314856c6632c5347163f71304337e08ad4923e67ccaba39012
  8. 0x8c257939e845d5b7dbe8de382beb985557c2d87c3ed2d29a70999c7ca4229740
  9. 0x3393c85a17554539f6650ba04eb61bbce1f454ea1cd93fa2c7357c7fd967fc8d
  10. 0x752492b0dfc27cac6edb2d2eb07bdefa860b95f981f11a571a1d965d592a3905
  11. 0x593a99213406e4337f42832d73c58501a66cad066e3459fa69dbac38758b8b99
  12. 0x5f91831853ff08ce38694571e3cd13db90f5769ea8f63d7c04bba6b4ef161807
  13. 0x47b695342d1ff603ef448d2b6064dad9c6bc657dc08e80d74a4638d529397425
  14. 0x90012fcf29099b73d24dc68936adf2b2365bf0be4f4ecef52e4c03a41113ab4a
  15. 0x90983442ab42e700d20428d242c4145406c7d45f3761d2e64f4fe48376715c6a
  16. 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
  17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
  18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
  19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON