Evidence row 3406575

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BrHVg1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ee77d856-15f8-4079-976f-4bcfd2680f83/.well-known/agent-card.json"
    ]
  ],
  "name": "Kauvisto",
  "owner_address": "0x7e55664c2793747a1447e6ded8b8439bdef7fff7",
  "raw": {
    "agent_id": "336974",
    "agent_uri": "https://centralcity.ai/a/BrHVg1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kauvisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/BrHVg1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kauvisto",
      "registrations": [
        {
          "agentId": 336974,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ee77d856-15f8-4079-976f-4bcfd2680f83/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BrHVg1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793883964,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T13:06:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kauvisto is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/BrHVg1"
}

What the leaf hashes

{"body":"7499cb0ec0074df9c0a35afbf44e3abc546372a687913e73f6bf705018b7aac7","id":3406575,"kind":"listing","method":"sync.erc8004/1","observed_us":1793884008686861,"prev":null,"subject":"erc8004:5042:336974","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xc95632db11f9caba6128aa4fe7b51c892a65d1a280510e74e1a60a171b4af8b0
2. 0x2d687fd65558b82fe47d3c1309006b0506043c7bc872b0a675816de0aaca07d2
3. 0x35e564921ea05104b60f8b1a84884874c69c1eb6f17675da561a01d32a368f36
4. 0xadb7d55d501aa410f449eff1d7c4fc1f51bc5153f7caa727474d8dd3c353baea
5. 0x47663cb36cf3fc8805b61de11493f435c71548c2a6d46238de95fb625f48d8e4
6. 0xf570777a42158709b3e80aca2a81c32234549490ca929ac29ecfa1166ea29b7e
7. 0x03e1958c3901de45658221d1525478a463010d9e92be39f36b8e6d7a056cd8d7
8. 0x72f8bf07b8d418966156cc886cfcd2eddbdb8bfcc27bf0feaed401dabb39f82a
9. 0x34a37daca2cb0094a01df266af6559f931b46eac1287d4c9a49f1cd89beced5a
10. 0x3a4bab66e9c81b855c09f1210aaaa78753e74219d3b2711c936fb41278d7e217
11. 0xc0ac7101422f2842086cd512cc3273edc531841021532ee4e45a38c191619778
12. 0x17d53afbe2c3b5024772de89b5e8826537eba654763e5d4a3754ef8f4550945d
13. 0x5f2d84108e979c1f040386914884f9213539c40ee93654c2c2c044799fb97304
14. 0xa0dd9de5227bcccb051dd789b1b0b367de502cd968f4eeb15c7237fe5ab59210
15. 0xa4e56d82ec36b49551d49bd66018a63f06e5a1bf1f57267e4e574643bc111b3a
16. 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94