addrbookFor publishers
← The evidence ledger

Evidence row 1818208

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:21471
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5b85b735a073ab0626eb5a10fd6568286e0c81b18d0bc3b35e349be95ce8f3df
Leaf
0x398dce8cdaab3e72a4d1494c6081db621caf892e7d4ee73bc60a1cb8552d0ee7

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/8Qqb5v"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/77b3b971-7d70-4f61-be13-21f4839de5b7/.well-known/agent-card.json"
    ]
  ],
  "name": "Zoster",
  "owner_address": "0x901cfd05754bf401dfcee946ef5cbb60f4abc4ef",
  "raw": {
    "agent_id": "21471",
    "agent_uri": "https://centralcity.ai/a/8Qqb5v",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zoster 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/8Qqb5v",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zoster",
      "registrations": [
        {
          "agentId": 21471,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/77b3b971-7d70-4f61-be13-21f4839de5b7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/8Qqb5v",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793562349,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:49:41Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zoster 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/8Qqb5v"
}

What the leaf hashes

{"body":"5b85b735a073ab0626eb5a10fd6568286e0c81b18d0bc3b35e349be95ce8f3df","id":1818208,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562581110290,"prev":null,"subject":"erc8004:5042:21471","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. 0x398d788629401fc90a5b856118e03c1174c9b0fa8110870b0a76cf6d85830622
  2. 0x6d5f5ceb57fbcf1e793425c3d9ec10101fd967c507e995f8d9e2787fa9ce4408
  3. 0x96374bb424ed88a4157f1a96f4f51ffe6a69b547b53064ee795c33963a6dcff1
  4. 0xf71046bbeb41cf3ce0c1a62bb8a4c3493c40917c5c76efd07e498b18b6e61843
  5. 0x055d4b49bcb7fad6499bbd484ee40c3ff542177fc2e8e5729e82f2c70b77c73d
  6. 0x346e2b5109d4ffbe96c4d8bb9b5a0270985990be12a97c611d329b9e24fcc645
  7. 0x61c977325f83be90c4a626843c6e69906c325b8f6a959cda65b2de31c1d9380f
  8. 0x2c699241d02016673700d41d282d201744b0a81dac57c1916d50b058240e176c
  9. 0x69e9b063e9880a38fc9804d023a975d51e1cb55cdadf80ebb9bd653e26292464
  10. 0x7271e4630141a63de84184d13f9d96907480d9d8c300910c13928062f7b7c877
  11. 0x4729a89ea5ebcbfed8e829290c0057fa4f3a504e87fb2450237f1b1ddddb79f0
  12. 0xc3c53aa8935f4c780e0604318a7b3faf20d27082014f36246fb418804dab2e05
  13. 0x28720157dfb204e575f9c0d1f725e8e1a816aa8cdff9b2a7135d27bf6c638bdd
  14. 0x07ea6ece7de601a64e2a172b49fb304109f2a8322814bef4c3168d05334b3609
  15. 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
  16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
  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