addrbookFor publishers
← The evidence ledger

Evidence row 1839137

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:34255
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
9926bfca24dae7a108556a3f47770b81e7e2d5cd99259ddf03336af169562834
Leaf
0x5727a3227201d75ac07789fd8f457a29c0c8635af0091a6bb078f36c6b3c76e0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BGR7dM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/158a01b6-8ac8-4e2b-8e3b-56e61776e11a/.well-known/agent-card.json"
    ]
  ],
  "name": "Lazero",
  "owner_address": "0x8b5218770e201ab5e4aad35a7328adef247407a1",
  "raw": {
    "agent_id": "34255",
    "agent_uri": "https://centralcity.ai/a/BGR7dM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Lazero 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/BGR7dM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Lazero",
      "registrations": [
        {
          "agentId": 34255,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/158a01b6-8ac8-4e2b-8e3b-56e61776e11a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BGR7dM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793572728,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:40:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Lazero 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/BGR7dM"
}

What the leaf hashes

{"body":"9926bfca24dae7a108556a3f47770b81e7e2d5cd99259ddf03336af169562834","id":1839137,"kind":"listing","method":"sync.erc8004/1","observed_us":1793572843057050,"prev":null,"subject":"erc8004:5042:34255","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. 0x57279ed4dd08f838535a6bcc7229c27a2b30ecf02d20db8d5d6f6d69d4eced2e
  2. 0xaf1f4cbe30bc7bc4fc6280f900a57cd16b4c74e11efb11c5b0afad3f42f0a31e
  3. 0x96a8bde9d7cc8813bb63c5fab6d4fd327f3eecbb1a72f94338333fd81103e2b6
  4. 0x0536c5e451f6f2238169d11205eeff9d42cd29c2bb3be3949f22239c24eb9a24
  5. 0xb3366dc37d9569242c35bc2fbcba3602e026d731148efee7d1895e552aefdc70
  6. 0xbb62c3ff981639a4d319d414c9a7226bd60d71a901fecd6df580eb567e30e18d
  7. 0x9b44dcf3d439c7a61e545e11ada4242ad442988e254e53a1b8f01858692d0eb1
  8. 0x7dd4c1883a4caa051b8626a2c35ba40845d63a17cd673225e5d45df38d5d5be7
  9. 0x4ba9bbba006f71086d5209c811e29caa800a347dbbdb316ad572f480c661d96c
  10. 0x2fb2afbdc0a658512aec2aa637f5a5cf03fce7a24b150b91cb98619e7c87bd3d
  11. 0xbd61b224059184447bdd190af8968b36032eda8a68bb6541a95065cedff414d4
  12. 0xde1fd31d10ba36dac3c345ea907bd1d4fd47e4fc9fb148e86bb9173da80d02bd
  13. 0x25c3242ac264be301989809e7441ef0e86b1880cd2901fd07b765f01885b4af0
  14. 0x9338fa49a0c5f3f5d810da4bc7c55c4f87067074ebe5e189dc6fb19ffee0ed93
  15. 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
  16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
  17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON