addrbookFor publishers
← The evidence ledger

Evidence row 1782642

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:16746
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
265631af3b62a2867bb3ea9a5e9c9981007513b9a4d1ae4e318155baba63032b
Leaf
0x205165b80b14380e19ed2c31438a04839d45010b53e6b9b4415dd9a640356f53

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YkodAb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c3c9f590-704e-4a1b-a91b-116cc0e88f5d/.well-known/agent-card.json"
    ]
  ],
  "name": "Handabel",
  "owner_address": "0x4c7eb83facd240d3f0321b34a2c1d4f9f228edbe",
  "raw": {
    "agent_id": "16746",
    "agent_uri": "https://centralcity.ai/a/YkodAb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Handabel 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/YkodAb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Handabel",
      "registrations": [
        {
          "agentId": 16746,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c3c9f590-704e-4a1b-a91b-116cc0e88f5d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YkodAb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793556354,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T18:10:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Handabel 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/YkodAb"
}

What the leaf hashes

{"body":"265631af3b62a2867bb3ea9a5e9c9981007513b9a4d1ae4e318155baba63032b","id":1782642,"kind":"listing","method":"sync.erc8004/1","observed_us":1793556626784179,"prev":null,"subject":"erc8004:5042:16746","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. 0x20513eff54f256d52658223c12b523a82ee7dae6104c86831f5b60db6c27c41f
  2. 0x1e98b40b33ba7ec8b63495e2c6b9b3d25ae38351627b6732ce4461de98c40e6f
  3. 0x1994b5e978cb3f1832d023f2de3fe533b0f2a70d412bbe463e3e0631d9a0c247
  4. 0x684640199baf63ef30cc1f05af27f9292dbf02ebff2bd1176fc5e1fe4f4e4395
  5. 0x8d3e83a71f5e7b035787ca187ffd3f567fac6d53060f0c1ff8cb79f21714d431
  6. 0xb528c1933305c359c15a130d852974eb36cad193ca2a73a5d53c46ff4691a33f
  7. 0xc8a158deb3bd84ed9ccca6b5677086fa9868254966a8e2f74187cdf009299f21
  8. 0x4a55f4a8e651ad2af8b06b77b2aef0cc787fb2dbe51389533ad23f4972089c79
  9. 0x314052056750178c24c94e3fe30fd99e4ae1ec1695b593a3a92d17f04d7fdd4b
  10. 0x59746ec7d0880b830553004bdb17be54951fdba6bc7ed354cf1d13e2f92464a2
  11. 0x68d978f56018035e7a20ac8a2580189f290769c9589bcede39c11c158d428cf7
  12. 0xe0c6e8e8fb900d9a6980f3ca49963e1c565ddfdca02db71905a206e8075acdf3
  13. 0xd962e1b3842b353598d79ca5fe0b84b02369d05fe8f6e6103d51bf4d4d1edce4
  14. 0x175afd1319b72670e83bf74eef6f87ab2173061f5bacdfe981a6b0789c963022
  15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
  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