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Evidence row 3035625

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:266127
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
7db4f6361b50f8532b42d3a28f9c20a11a1bfec874e2a697ad14220c94554819
Leaf
0x28d2676847e2222d8f401ae7b8928744a4461e469fdc9e6d6a79b9fee40ff868

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/WIjrm0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4f08b30c-f59f-4704-8f56-ff22e3bef235/.well-known/agent-card.json"
    ]
  ],
  "name": "Timpano",
  "owner_address": "0x190225992b66b31b82baeb1f30451bd7b65c6d1b",
  "raw": {
    "agent_id": "266127",
    "agent_uri": "https://centralcity.ai/a/WIjrm0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Timpano 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/WIjrm0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Timpano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4f08b30c-f59f-4704-8f56-ff22e3bef235/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/WIjrm0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T16:57:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Timpano 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/WIjrm0"
}

What the leaf hashes

{"body":"7db4f6361b50f8532b42d3a28f9c20a11a1bfec874e2a697ad14220c94554819","id":3035625,"kind":"listing","method":"sync.erc8004/1","observed_us":1793811445121814,"prev":null,"subject":"erc8004:5042:266127","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. 0x28d24cfde9b2187d8c780ab3c4b7f1732443cb7b8cf26984f2ad39fb627bd97a
  2. 0xb2aab08935c1a5881e07be43c5473fdc4008b2e901ccb182dfdfdd5bf4986b35
  3. 0xd269ebddcd620f21105f3a49519024ef2242348abe04c28b18315489d3a0087c
  4. 0x5a1033dd0bb09181839cf0f29914606c60d0e510e3d7c97de9c38e3822e94aa9
  5. 0x297e480c467546faafea833fc652e9d508ca3c744d2450c84ef17edbd7df87f0
  6. 0xecb16417e13afd99cfd38a2133029a3db5fdc74b10539ebc9d5dcd9492fb1939
  7. 0xcf8b7b8d935b9dc9ab977ea6f58c5ae72bdcc67f32959cf001c5fe7c63991837
  8. 0xb7011d7af1345e9980e45e81da39c3367d5c1ea77b9f0864985d356f83479254
  9. 0x536bfd8d05c7803bf37d4413fb6183fc31a3f6ef975d82ae46993c4d0049dd98
  10. 0x22858b9a423d22cf4cd5bff6c05487fce7bbe46daea453c8854144490f40aa26
  11. 0xeedf287b00e3b3b6c29eca1e20420ba8f8d9e75a3339ea66e4daff214820ee4e
  12. 0x2d114517eef6fe61fb97459d6777d1036c864315cfda3b6fb6589c2133c988bf
  13. 0x8af9d9f8bf8d576d6cd477ec0b29ba6c7ab702c24f52818bd05cbca90f68e7cf
  14. 0x4be10d765cf0cb6820e51b664f4703077b474dfe0fab694460a1ed08402448ff
  15. 0x80d767e810dea8f03e47cc3217bd2604062057071b87fb3908bc918d21222df3
  16. 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
  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