addrbookFor publishers
← The evidence ledger

Evidence row 2065630

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:64451
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
63db89ec9407675b52c7b0a94548d60cab6d12c627ffc0fb76b9cef7b324ef51
Leaf
0x0d578e41a90b235834a41b56f14b39778094b5e1eabbe62772c99d2b7abcc785

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4DfOu6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4782769d-0333-4d48-8758-b58571bb0ab4/.well-known/agent-card.json"
    ]
  ],
  "name": "Maumpeon",
  "owner_address": "0x271c46c96f0d5808f0e2af19f3b2f11215587e3b",
  "raw": {
    "agent_id": "64451",
    "agent_uri": "https://centralcity.ai/a/4DfOu6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maumpeon 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/4DfOu6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maumpeon",
      "registrations": [
        {
          "agentId": 64451,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4782769d-0333-4d48-8758-b58571bb0ab4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4DfOu6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793597090,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T05:26:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maumpeon 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/4DfOu6"
}

What the leaf hashes

{"body":"63db89ec9407675b52c7b0a94548d60cab6d12c627ffc0fb76b9cef7b324ef51","id":2065630,"kind":"listing","method":"sync.erc8004/1","observed_us":1793597171051145,"prev":null,"subject":"erc8004:5042:64451","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x0d57910bcde7cefc86480ed2d33e713601b8dcca78cb172fe4f2cac5a391a311
  2. 0xce3dbcf9893eafeb0698835f357b15a82914232f5135222f7fff9fbf2f1ad007
  3. 0xc974f0dbc7533fceefa33a6bc47610a6ee9cb10855fc2bbe888242c213a2416b
  4. 0xd0bf4e4d53d7b0dc4f56095ac5836720e92f5345ea10fd0809272f6e371ace0f
  5. 0xfbfbf7db23633cafa9130e03dc5b96436aee8f5a7f6ab6c1b2f2e4c4f8ce8bd2
  6. 0x843b0051cce38726ccb3d2b800219fc33d68826495e62702621ef21b3cba8eb5
  7. 0x24f155bb8be3d1a3629df5dd97c48ace52d18e1f27301da53d8400d7f0a3cb2f
  8. 0x63b74c3866d5e298a458179bb186ec01985afc4249c94871cc45e99e909b0872
  9. 0xc48f6f307710b6bc28fbd1c83f621e5e527aa34409af146cbdd382388318d93c
  10. 0x6e89e244327bf2580160e48e57f5c7d4e39049d2eabb25cb0e8127912d7119d3
  11. 0x164f9b046f88959387eede61efb5d85ad5ebd742896415aef097abbdb6989c9d
  12. 0x5ab1a0e263d75fe8c3b85060a6cca1c534560cbb1cc844fb2b62f0bce0628b74
  13. 0x21862012011e9c7bd96b9da5758a45e44049f740c8ef1f280b01bc054552ce7e
  14. 0xdd12fe6a2b0c972fe8b92369b1535a7d883c9e1085b61ddaf4130d8880afad75
  15. 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
  16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
  17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON