Evidence row 2160597

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3R18D1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6532a5d5-ddf1-4fc3-adcb-eea19e307229/.well-known/agent-card.json"
    ]
  ],
  "name": "Niokisto",
  "owner_address": "0xa55e797f88cc42f29be16d6a574aeb6d0af59c01",
  "raw": {
    "agent_id": "105818",
    "agent_uri": "https://centralcity.ai/a/3R18D1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niokisto 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/3R18D1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niokisto",
      "registrations": [
        {
          "agentId": 105818,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6532a5d5-ddf1-4fc3-adcb-eea19e307229/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3R18D1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793631632,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:03:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niokisto 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/3R18D1"
}

What the leaf hashes

{"body":"7fa13de3183bb1d1ff9df74dd55967dfab58befad14f58ae298fd82432025e15","id":2160597,"kind":"listing","method":"sync.erc8004/1","observed_us":1793631786988604,"prev":2160110,"subject":"erc8004:5042:105818","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. 0xd5d9fa9a5d40ff3bbce8bb678ae34c8ca781d7c7ed6df616d13e81f420647862
2. 0x58c40d7a6329e069344b66259e3a0c4c4a4e5aba384c92b59525efede7a089dd
3. 0x5453935bc28d97ddecfb02a44f91cb86ffce3300256819535035ae713316c538
4. 0xb87aa996bbf992fccd7b543ee5e8ffde0ca12a567e261487f580e3790785d4c4
5. 0x07013c80fd861b9492509935f65be6acab840139dd9d683f99687fdaf2631998
6. 0x9fdc1660f5a7dd3b3c3e4d0c15a7119207942507c5fbb0b8f48a8dc9cf0f538f
7. 0x64bdb55393a902069f6e3f27693bfc205e52df3e72cc8b82c248873b90990aa0
8. 0x2965d731b67d59a9e56e0f8494b0aadb90a037824233698d9f1067ab0d4f9ed2
9. 0x95fa8dd15ceb7ec08ef23c8718f3debe2bd0f8614a92a2529fd10265086eeadb
10. 0xc6dab1268e002fcdae4ebc2590f6e6bf90d217e83d9f44cca73ecbf5705cad85
11. 0x36d2017338871ac6d86bda5fd407cc327391d6094cabb24575c2290562e50746
12. 0x381b6cfdeaf8ea03cb439693a260cbb0d6ca9377a1c036675bd1e416d9d82eac
13. 0x6a9bee5282acc64846540deef79ef327521ab20b00328c4b297bc96a5b4036c5
14. 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af