Evidence row 2161090

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/CkUd21"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/84ac9f42-24fb-4147-af74-a796c5666df5/.well-known/agent-card.json"
    ]
  ],
  "name": "Larkeon",
  "owner_address": "0x2993a0ad98019e75c4f930324ce3dfda406d556b",
  "raw": {
    "agent_id": "106331",
    "agent_uri": "https://centralcity.ai/a/CkUd21",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Larkeon 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/CkUd21",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Larkeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/84ac9f42-24fb-4147-af74-a796c5666df5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/CkUd21",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:03:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Larkeon 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/CkUd21"
}

What the leaf hashes

{"body":"90c131ac89547a74618542ba61553ff2b2e5a671e62029c1d968097918a131de","id":2161090,"kind":"listing","method":"sync.erc8004/1","observed_us":1793631789015188,"prev":null,"subject":"erc8004:5042:106331","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xac310344496061c82581726ff2fe57b0f97192992a4d1d8f17065d782e2b99ca
2. 0xa544df2a78298ceb5ae5ef2f6865bbc5df7b9666cfb2c3574d6af3c4a2f3ef60
3. 0xbc158b5aee2b048c63566cc0a8973d11efd5801a167b58b832f42e13cae8a854
4. 0xeab88131f92b4ca758c241a15a801307c3c33954421b9a80f2701b575f6e7bde
5. 0x28b71cdfe59ea28781c6cd6c017a9a0afa884f3899e3c8aade36f56ce9d7c4a8
6. 0x7ba294cef689cf6baf099d64c5c206dfa056b42e2529ec51698cee0a1492abee
7. 0x681e73f9c554d73c04d705d47cc591904f5b98e0cab0d588fc6196db286d93dd
8. 0xb3b53d52ce3c983bc996674833464f951aa1179769f3aceba51b46e4d68582a8
9. 0x0a0022d9bef578a9b3a546379dfd8c4626ed206b96f2158633a36d9196f4161f
10. 0x733d236c41b554fb77266f703772bba74866990bb6cd363198f3a2c8c7d4fb21
11. 0x1e5e4481bf852e96231f34e30e17724ae29b9970ba1aa310da027340e8a355d0
12. 0xba75ac8fae3b7769dc511d447c671590cf9f4572510e81111cdc037d6738de1d
13. 0x30482ffd581ea067af14f15cf3c17e7dcb174f749e858ecded170a1f5f75cc59
14. 0x27deeb1ef1692b4773e73c16b6d8d0cdf4251fe2660821e5336f57539770fd2f
15. 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af