addrbookFor publishers
← The evidence ledger

Evidence row 1773184

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:9022
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
2a5c77291cd4f2a972926d0f6f920b66332177e9c124c3e0d7d280a9d5c6271d
Leaf
0x13222bb2198a6b7823965400b97aff30012931a282791892e771e2cb53c3a348

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/toJfUQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b5d90bdb-080f-4295-a86a-f6d6e487e098/.well-known/agent-card.json"
    ]
  ],
  "name": "Dudan",
  "owner_address": "0xbeca244dd3f5c20493730025fe48d0f702f4b060",
  "raw": {
    "agent_id": "9022",
    "agent_uri": "https://centralcity.ai/a/toJfUQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Dudan 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/toJfUQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Dudan",
      "registrations": [
        {
          "agentId": 9022,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b5d90bdb-080f-4295-a86a-f6d6e487e098/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/toJfUQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793549316,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T16:09:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Dudan 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/toJfUQ"
}

What the leaf hashes

{"body":"2a5c77291cd4f2a972926d0f6f920b66332177e9c124c3e0d7d280a9d5c6271d","id":1773184,"kind":"listing","method":"sync.erc8004/1","observed_us":1793549370200461,"prev":null,"subject":"erc8004:5042:9022","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. 0x132213e33ef5f79c6638656aacfc475721ab0f1a9aab6df25ea872594749eac8
  2. 0x5ea2f5aca8faeea3f998a83b83abd8470afa43205d188baf6cd7acd47c1c32c9
  3. 0x2b52acc1065014f34d2cb18a181d891f364822e8f99036ec258c2324c61aeb45
  4. 0x3dab9a5cb186107858dc92294451157a618d8ebb07ed057723d29979e8165d02
  5. 0x9eb99c5490158208497e1f4318088d83d62cec8721451db2714f816de273cc7b
  6. 0xf6b563c676188db28fc43131eb35644d53258a5fa3b82987018b41ccbfe4bb69
  7. 0x4d578f7252df0132c5ced9059d6a7f79fb475e98cf4a23c19b07426fe1b1c750
  8. 0x4832f660e3e7a9ebb55c524e588d6a63c4319dc3339a377dd1d134722ca68b6a
  9. 0x1ea701850992a8039910cf62f8900f9dfa984797c263dde0e30aa1a965305f13
  10. 0xe57723a8208ec676497be2b8233e5849c8b684a785780630501b87eea0fbffc6
  11. 0x7728a5d7ed71a8bdff25486684bf7922c74f8e4b410ac3d8d1c688206ef05099
  12. 0x2120c3201c20458c29fca57fb6de30c3d33101e8d02d08b2101bf2be12fcb11d
  13. 0xf1747d321f72e3e44bd30dc10c794e13858576ce0204d89dd555f1effa06ee29
  14. 0xb44b8d5019b9204aa2c2f558cdc381e6729b1aeca3e674741fa07287022b1f0f
  15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
  16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
  17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON