addrbookFor publishers
← The evidence ledger

Evidence row 1786719

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:18410
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4928808ace4227327e62efaaa31f6ce99c0273e3c210c969a3dc746742ae6890
Leaf
0xeda73d82aba10a9e7f96a10d7d8dd91cbd83fc2c5d80b419e8c8762e587eece8

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/th1sPg"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/05f43ade-5057-4613-ac01-e724f6869dfa/.well-known/agent-card.json"
    ]
  ],
  "name": "Piamjo",
  "owner_address": "0x16caa9c93590ab3c5177a829be2c67cc9f077bec",
  "raw": {
    "agent_id": "18410",
    "agent_uri": "https://centralcity.ai/a/th1sPg",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piamjo 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/th1sPg",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piamjo",
      "registrations": [
        {
          "agentId": 18410,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/05f43ade-5057-4613-ac01-e724f6869dfa/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/th1sPg",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793559536,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T18:59:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piamjo 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/th1sPg"
}

What the leaf hashes

{"body":"4928808ace4227327e62efaaa31f6ce99c0273e3c210c969a3dc746742ae6890","id":1786719,"kind":"listing","method":"sync.erc8004/1","observed_us":1793559586876822,"prev":null,"subject":"erc8004:5042:18410","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. 0xeda7678d052b63a824ce972edace6adb5e5499155a90f1351dcda350708c6f56
  2. 0xc0c9692e4bf1b856f483f2ee85d5df6e33b961cc9c5b49c487b0478d4e5766f6
  3. 0x986557766f56ee13415f34e272e6f942c441aae510a918eda9e456a7a50a8f02
  4. 0xa249a52eb8ab1d6150e545f22f85c1b36cdae985eb30ebfc6a42b506d61b8d71
  5. 0x9be56f3843841d92eac4765ecd7f9a04a1803b5bc9fc1c3f37ec2cfc32517fbc
  6. 0x50286fd6665105be20bb93a6eb67afd36b0dd480408a97e3208fe2589b6425b1
  7. 0xb66f0432007726b30762bcd2d1def4c2fcba9b527bb3c94140c5a899c59986b6
  8. 0xf55a3facefac393f7ffa19612459864ef542011749cd3b4f87c7ffe5231a3817
  9. 0x9d4e2449e0a32ec0bf82b1308f9cd0177727b2754171379e4ff3075f20316e75
  10. 0x9188bbafcb7970897796493dcec82f25db75ba9e773e6d3ddfa14ef989b0499b
  11. 0xaf91b8dd2bb47d8538794ac3fcec81d37ac39d339bdc342a3a965242dcf62fbb
  12. 0xd89fa48ca1d4954538951ca232b21fe073980b92125f2108cb7289e038ae2a25
  13. 0x598a084bd520019422cd8fb5335eb9a224ef694f2125f139073e8eb90ca1503c
  14. 0x80f03705ce9ab50e28456bf4bcfc03de151f183a71db3234274287a24f946a1d
  15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
  16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
  17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON