addrbookFor publishers
← The evidence ledger

Evidence row 2608935

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:193019
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
dec129c962398991f57baa220432a0411f2bdc41f72d82ad9644e22af6994ff6
Leaf
0x493b1b3a1f0f6908021c192e9e5ffa7f2259fbd0f71d8e9aa89e253506a7f412

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/b54Ku5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/01811934-1cac-463d-b852-5366731b2b79/.well-known/agent-card.json"
    ]
  ],
  "name": "Nosor",
  "owner_address": "0x4f57b1b5ec482fb06b1763c9f995618e582ebb61",
  "raw": {
    "agent_id": "193019",
    "agent_uri": "https://centralcity.ai/a/b54Ku5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nosor 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/b54Ku5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nosor",
      "registrations": [
        {
          "agentId": 193019,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/01811934-1cac-463d-b852-5366731b2b79/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/b54Ku5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793722190,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T16:11:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nosor 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/b54Ku5"
}

What the leaf hashes

{"body":"dec129c962398991f57baa220432a0411f2bdc41f72d82ad9644e22af6994ff6","id":2608935,"kind":"listing","method":"sync.erc8004/1","observed_us":1793722271565255,"prev":null,"subject":"erc8004:5042:193019","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x493b46101cbcb56dcde13f39294b1e6a98d462cec1febfd46132563215b4c7ee
  2. 0x6c73b19cdf21457aeff3fb7585f781d1fbe38f54904f224a5d391c0bc036846d
  3. 0xa7a8d6fb15dc302833e2cc1fa8e722909dffcb383b535e38ef34daafa7e8fb58
  4. 0xe2601161f3f1d9cd4601b8233eb447500393e37d71a2e572bdd72f55b058aff8
  5. 0x075b3d5869498830e01355efe80647b7bbc09342c477a698b57b867b1649d072
  6. 0x714d65df817554ec0f521832ce0d34654237174593f984661e8625f3b078b338
  7. 0xe74ebff531e13e772260754eb747751f409102894236f68ecba4b6138deb00f6
  8. 0x8d77d60b5b31cf953f56f93be34e6f8ed8c772cf4a533faa97c04246487bcadd
  9. 0xd564eeab5e5547a4d6906cf68f184c15b6e53190f03799766d3be4f989132335
  10. 0xf251d468c1a1b397a29227b9e1a308fb5c201f7286b3b67e6da276daf5de0b0a
  11. 0xc736170b5ee322d1cd074fcdd1a23fe59e2706d2dcd73830b70d53ab1b09d4e9
  12. 0xad3975ca058b9079797d664a2716c3026ce9b3cf3c17d86c40963ac4a531b020
  13. 0x4d71df216aea86c4926fd51f5108f2a3e02d1069065352831adc974ef8b478a1
  14. 0xc46a5ce352649d53ab9bec3f87fd24e34046a987433894bf1e8165e57badee79
  15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
  16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON