addrbookFor publishers
← The evidence ledger

Evidence row 1839692

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:34510
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d40426d0128808277ddf0a34bcea0f36a0fcc39df17f100de93409235983e5e7
Leaf
0xe2374fb242e6cad04d5c63eeee479337761b9791722bc05e69ba0de2c33bdb2d

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/h3swIv"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bbc7cd87-5e8c-4c12-b894-62ff64c47407/.well-known/agent-card.json"
    ]
  ],
  "name": "Piader",
  "owner_address": "0xa5fb48f1723298e57cd02f87237224138311dce3",
  "raw": {
    "agent_id": "34510",
    "agent_uri": "https://centralcity.ai/a/h3swIv",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piader 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/h3swIv",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piader",
      "registrations": [
        {
          "agentId": 34510,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bbc7cd87-5e8c-4c12-b894-62ff64c47407/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/h3swIv",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793572958,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:46:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piader 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/h3swIv"
}

What the leaf hashes

{"body":"d40426d0128808277ddf0a34bcea0f36a0fcc39df17f100de93409235983e5e7","id":1839692,"kind":"listing","method":"sync.erc8004/1","observed_us":1793573175174877,"prev":null,"subject":"erc8004:5042:34510","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. 0xe23775a93d99e9a3d1e2fe8483674d38de5f73c197ef4a327e82c3b6c07924fb
  2. 0x7a9a740ab81ec041a9c257330ed7258fd09c2166f5e4bfbd985a04f7519153b4
  3. 0x4f3924bb9131ac96cd5513ec15134aaa3bc64a4bd824b1680c31b958a8ed8f2e
  4. 0xe3aa7ad26083ea9747c07666d36e2f96b3da7b25326a4d0250ce487cdc6f2354
  5. 0x9fee1edb335fa2700b0ed2daed210386c07a1161e5bdde513aa101eb257f0271
  6. 0xffc896c1a89b5b683f77225589cfec00f5e8fa149c569dc0e2d387d3d0f62705
  7. 0x843f421e7501c76723e3c0ee9bf66ae6493d3585401acdc491b46263143e3dcd
  8. 0xccf4795bd4b37bb413077bd1c4ec852d418f2b7aeab3cdc925b49e10d3d6e159
  9. 0x19b409ef30031d94305f2fcb0db0e0ae75e8f3cc8eddf81faa0caedd08521e84
  10. 0x2edf5b9efbd21125243de401bf862edc8f1e9a9dc122878de442f7b20cae25ba
  11. 0xe8c5447d4f978f8c641bdf6bc7ede20cfa92948c1bae8613c6db227fa9118e99
  12. 0xe7fd38eb5836ea92b3c740bc2f5fb1653bb77910129fc628b2af73e09c327a44
  13. 0xa567f95bd997bb1c25b24e0f3d37b6136018cb58573839158ad2a42dc344d758
  14. 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
  15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
  16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
  17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON