addrbookFor publishers
← The evidence ledger

Evidence row 2050183

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:57917
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
296be0aac292a0a065da7244dd7442662f5c0c9a7a53a4fe3d146dfdb67ee2bc
Leaf
0x1cc326b476d5d63f378b692f568d5c07c3d8443483cc2b3018e6e7ee91dd1493

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6np6SU"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c1541c5b-09d1-4196-bfd8-76f8d1b65325/.well-known/agent-card.json"
    ]
  ],
  "name": "Piansito",
  "owner_address": "0x5bca2656c2a5aa43fe2b46dbd2984e9acb13447e",
  "raw": {
    "agent_id": "57917",
    "agent_uri": "https://centralcity.ai/a/6np6SU",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piansito 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/6np6SU",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piansito",
      "registrations": [
        {
          "agentId": 57917,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c1541c5b-09d1-4196-bfd8-76f8d1b65325/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6np6SU",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793591497,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:53:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piansito 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/6np6SU"
}

What the leaf hashes

{"body":"296be0aac292a0a065da7244dd7442662f5c0c9a7a53a4fe3d146dfdb67ee2bc","id":2050183,"kind":"listing","method":"sync.erc8004/1","observed_us":1793591590521740,"prev":null,"subject":"erc8004:5042:57917","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. 0x1cc31792e1edcd7b78bad5979cf6bee8823f2c574e96e7e04b3e1d4248278328
  2. 0x65082c45f6007f896cbec7f03a05dd49e6fd892004c33d64d51dd5033c355ed3
  3. 0xe70c334c548b97beee143c2fc2837e4a8d82bedf005900842e4252fed3d683f1
  4. 0x87e64bd68b7135ae9ff1939d192dcf2a812748a5966e2c1565b1afd821f80886
  5. 0x69f53527da15725269f8389eb7dbd06e5ddc1f482fc001f13f49da70616b3d12
  6. 0x5160c4f8b8039603dcaa8a9b7a888aa43d90888438cf51bb8cd10505c96d2e0d
  7. 0x7869ed922e97132f1d832a641a6a2718ad766176751854fdadf66e34bb865c52
  8. 0x03d1b7fedddc63f91fb2061b04d54929e403a92de66486b6e561af078d226bf7
  9. 0x4ae89275ec4673688147b25809730a80f206660f1fb189fe83927901ac9c0211
  10. 0x6ca21c320c633612bffa6c67ad1c0bce6fa7c78885cd77f50f02b6651cbda15a
  11. 0x4d92669f3b9d8c18bdf67c6f6d111223a2daaeb30fe6c14b625edce586e2f7e9
  12. 0xfa646e4b5dbdebf795dfda0b29a3ea57332f8666459a0c2538f16fe8103169aa
  13. 0xd6cbf3765149b25eba4e10fe21fd5993687ecdd3cb9c495f97c3c148afee08ed
  14. 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
  15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
  16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
  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