addrbookFor publishers
← The evidence ledger

Evidence row 1773193

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:9031
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
31ff11442a508de3b8162bdddf8cea7a046f7377326eafa1e31b53eb97d95dd0
Leaf
0x335212f3d6e48c5da022b1ea46225dcb3593af97768aca559e688edd4f58cffe

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0fJt14"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6dc6a514-43ec-4bc9-b77b-d0a9698247db/.well-known/agent-card.json"
    ]
  ],
  "name": "Boris",
  "owner_address": "0xd3d583b63fd408ad04a5ccbbf44ef5d9b6bf0c97",
  "raw": {
    "agent_id": "9031",
    "agent_uri": "https://centralcity.ai/a/0fJt14",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Boris 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/0fJt14",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Boris",
      "registrations": [
        {
          "agentId": 9031,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6dc6a514-43ec-4bc9-b77b-d0a9698247db/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0fJt14",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793549325,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T16:09:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Boris 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/0fJt14"
}

What the leaf hashes

{"body":"31ff11442a508de3b8162bdddf8cea7a046f7377326eafa1e31b53eb97d95dd0","id":1773193,"kind":"listing","method":"sync.erc8004/1","observed_us":1793549370226397,"prev":null,"subject":"erc8004:5042:9031","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. 0x335235663ebda6f2ceb25febb795c8217e8f954a2fa1c2882b1a13a0c96fb789
  2. 0x28c49e45d7ce9be25e767330e1c0b5b295c0b92a6bd47315234a7a69966cf45d
  3. 0xb7d00f6bd5f201b1c9da17a3d5d871b5d8b60ed8ba1c82e726e3afb455dbe471
  4. 0x9aa09a3c232babe2c2e473eaeacaeaf50a5aa6ab6cb1375817e839361bcd59eb
  5. 0xdee4bde7f4f749087d10c314d7f2fc732c49699620e33c06f0f487fb7d775415
  6. 0xa0b4eabcafeddf532fdceec627ee74724daf6632e0c26bd41430814d1b76f509
  7. 0xfe13df19ef817517a21bf69d21e901dcbee1556b1471452494a53c3eab5a417d
  8. 0xbe179323df42adbe706bee1701ffe28921888c4615b3f4749c1aca5243123a9e
  9. 0x91b4f38690728881f01352d7a9fc927056fd42725977e7d54fcd3ea1740f10ca
  10. 0x9b10b92717cf3601794f30e155a4adec86893575b359bae89b76588b3aa289a9
  11. 0x323d969e3f942d4877ff6c36ac6921b86c0f19d23b15e968585849348e0833ae
  12. 0x97706b73d3e8921301ab26f71e9fb7f03b42738806aa983a5e5e63dc26443985
  13. 0xc392c192bf0854a262ff9bab5c87785855c8eadc29dc2a6a018670b7fb0b5d3b
  14. 0x770f20a6b76206ceacb50b86f521e555bd27a1f27e7156c64591601c5b119595
  15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
  16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
  17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON