addrbookFor publishers
← The evidence ledger

Evidence row 3011788

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:250753
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ee49adebb05bc1aacf0336f85edf70e3d778cd83986407122bb04c54a4d8628e
Leaf
0x3da548aafee0f8a547495c56e3195338e7f0b2ad55c2b1cd77799d3a544e746e

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/39IRUz"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/53f66b63-8c93-41d5-8c61-f0769d4c7ec4/.well-known/agent-card.json"
    ]
  ],
  "name": "Diamader",
  "owner_address": "0x910e95cea278440817553f9b8a4f9cfe29dd3251",
  "raw": {
    "agent_id": "250753",
    "agent_uri": "https://centralcity.ai/a/39IRUz",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Diamader is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/39IRUz",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Diamader",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/53f66b63-8c93-41d5-8c61-f0769d4c7ec4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/39IRUz",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T13:42:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Diamader is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/39IRUz"
}

What the leaf hashes

{"body":"ee49adebb05bc1aacf0336f85edf70e3d778cd83986407122bb04c54a4d8628e","id":3011788,"kind":"listing","method":"sync.erc8004/1","observed_us":1793799768645553,"prev":null,"subject":"erc8004:5042:250753","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x3da524172fe4fae615a1bd79a022ef6ace5fae2365aedaa0eb80c2825d89d9d4
  2. 0x5bc9427bd0d5f01f4e04ba6e18675a1ae6687eb778447872226d2cdc63f0f6bf
  3. 0x84c19453d577311a943a3fc704d4354cff2151b56c006305b7b922ebcbb747b4
  4. 0xa7aff2ab32d6ff7f027e0ae41c403f9a9b3153f846e14f9292d577843b586a72
  5. 0x607b09aadb7868817cb0e3d145e76ed6674988afb1cbc34131bd71e3663f83f8
  6. 0x48353cbd75e7dcf2d78ebb18b46e54631c08f4c53b76b58a2a73c13ebccd9c5a
  7. 0x1641546fa049318eb53b80fe13aeac376886156640a0eeddae557034a4320c11
  8. 0x28fb6c8c01d37154299d74b39a622db6a16be440a2e45feb84eaa4b296a1701c
  9. 0xcd3be44cdf5f83fd85e2a966bf74b113b8dae91d80f124ba04b6bb25e2e376b5
  10. 0xd1b7b640aa8a058f9e2f4af737192f08364a93d1aff0dc81c2e3659f0b098cfa
  11. 0x40dfa1960fc52df36a35907a47b857312c121ab3c2989bcda07d739411c7f741
  12. 0x0107f3b980619540637774433c92dd0395349d091b8f804a5bf169b170c0fcb4
  13. 0x9441eeb2a571c8cb4175667172212f404f990aea5ae5dbca74b0e28232c0e6da
  14. 0x5d4b40cb7f9ad30e5c7ff0e3fa47a02233729423e5c48ec0640a59e60b744db9
  15. 0x0e7da910ed6633cc83110a62e4cfaf050cec994a935be0ff6262890125f0d2d8
  16. 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
  17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
  18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON