Evidence row 2731918

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/qFIR4K"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c1a2553e-3458-463a-a5cd-aa1a497974a5/.well-known/agent-card.json"
    ]
  ],
  "name": "Breifjo",
  "owner_address": "0x7532607a85d69573c24d47a40e6f4fb81dd66d1f",
  "raw": {
    "agent_id": "213720",
    "agent_uri": "https://centralcity.ai/a/qFIR4K",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Breifjo 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/qFIR4K",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Breifjo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c1a2553e-3458-463a-a5cd-aa1a497974a5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/qFIR4K",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T00:10:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Breifjo 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/qFIR4K"
}

What the leaf hashes

{"body":"a86fa28eafe6a11bb7768ad90c804d750f3e98a8d85ebdeb6ef5fcd078284a27","id":2731918,"kind":"listing","method":"sync.erc8004/1","observed_us":1793751012629707,"prev":null,"subject":"erc8004:5042:213720","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x4e083e803a8a0957e491c5b1e1457ff514016ecca3de71893238e6f3442f61f3
2. 0xa3c010de048be04684f0e51ca2aff04c0b367a01c314c50d67f305019904a3fc
3. 0xab2439a6d44834e332d385beda1de7bf92de5adc4d59c8a1c6eaefd331678f37
4. 0x419d4d9f17b9f027b3589be4e4be10c91665d57cac5efc3aee0828e1451015ed
5. 0xe9524d78f005259ce53b90211102d9864c6e5a02fd4b072f2c876e086b337ec7
6. 0xf37b690d9fc94f3497dacd31d298c2c9ce949d13d0f4a6daeabb09f426ace0a1
7. 0xfe6678d158ee5b4c05cfed5d6961d4f755a6a60f537ec06ae412a8fd1ad788fa
8. 0x07c381b6a6c3bef3524f53e3da13bd0156930dcaf177587850980baced432764
9. 0xb9e0eba2ac1948725f39fdbfc4dcc426b729ff8fc52876108dad5f3daf49a612
10. 0xb0022968f7a202565f017b3abfaf499dd91eed1d4bbc89121b6e671a86e5ab34
11. 0xdb6f519683724a1d11c17381cb42593a542a425f18d6d92c0c6e81c2a1b235a5
12. 0x2b5745a0b288ac5d8c48e339383706c54fcfb95bccc83c48776d382e79fdef7a
13. 0x0c70678947e56ffce90ac2cce5414247eaf0e2b91719996aaa9809b66dfe1dc8
14. 0x522a25971cd6b6d3e9a052dc11f957b2d317b322866778d5d8ebb96f44d35189
15. 0x544c1b2a55fd13025d2c8d59b81cb53522492b432ac735cbefd94b47b754d5cc
16. 0xc8267b28cec4406122f99bfc9732f9bb7e0af530b05633084110c1bdbc4a7cd5
17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345