Evidence row 2277893

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/VuYON9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6ff3dfa5-3240-4a92-9245-58e19baabd7f/.well-known/agent-card.json"
    ]
  ],
  "name": "Haussel",
  "owner_address": "0x8884bf1365192aeb23ddd75a6b7e6f09431870c7",
  "raw": {
    "agent_id": "132256",
    "agent_uri": "https://centralcity.ai/a/VuYON9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Haussel 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/VuYON9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Haussel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6ff3dfa5-3240-4a92-9245-58e19baabd7f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/VuYON9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T20:54:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Haussel 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/VuYON9"
}

What the leaf hashes

{"body":"4a0b71203c04e845d26c57fe41e93d6c348e46f4ebfc7ba3c9431bd6d7e4ed15","id":2277893,"kind":"listing","method":"sync.erc8004/1","observed_us":1793652844060885,"prev":null,"subject":"erc8004:5042:132256","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. 0x1eefdbde6b243a97ef3234426bd4cec2d7aea554d66cab031be5b926abf58c43
2. 0xcb3059faa3cbc348a6509139eb02316e7b712c189adb115febf408c07e2b673c
3. 0x35e231f2d210209bfa9170c55cf001c66df65713314c7562de669f904ee1a7ba
4. 0xb62a3306261dd0916c744ad35bd6746b90720918d3675f7ea2b8b996a019c2a4
5. 0xe719277512a0df745700ca78c940ba2a41d46dd3395030d8dbf56ae334134775
6. 0x3d3bed467d9c63621c0b451c7c892d3cf33f51b49da527f004b2b3d3260bcfd2
7. 0x01f23de8665e8950bf6bf35bbb1a49cf5998df890c706d655a2f0aad283320be
8. 0xc3cd158971ee1e997aa15f19e985741354a01c86fd45e8294de3e878c1ee5f1c
9. 0x984542fd8e2ad733c446ef39a71a8100b7583bfbc5be15628e3f4fa35f8284ec
10. 0x970b44c5ba4a05000a2fbbf81ea4eff11195d8a8e7e3f80276441a024f9d4df1
11. 0xac0fc923a0db6bc3966b63b9f80568be71e73b50d1e4f75f4cff6ce1027de1b2
12. 0x921d0608297ee8b39f59114be3d8989b8d4efd3e464dd03aef90facc4e2624f6
13. 0x350e03a59bf81961fd9ce694f08f9ba0239d9ea2496b0c0dc7998c9e9855326f
14. 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af