Evidence row 3347459

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/mzMQqQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6283fb9e-62e3-48d1-ba17-96ba4c6eb81c/.well-known/agent-card.json"
    ]
  ],
  "name": "Nobino",
  "owner_address": "0xec89fd211bf2a49160975b469261a9f38fa05260",
  "raw": {
    "agent_id": "317213",
    "agent_uri": "https://centralcity.ai/a/mzMQqQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nobino 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/mzMQqQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nobino",
      "registrations": [
        {
          "agentId": 317213,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6283fb9e-62e3-48d1-ba17-96ba4c6eb81c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/mzMQqQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793841845,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T01:25:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nobino 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/mzMQqQ"
}

What the leaf hashes

{"body":"fd5b8d80bddf4e6cc194c20fcf60aff28de7aebd9ff1e06f5db484ff05789fa3","id":3347459,"kind":"listing","method":"sync.erc8004/1","observed_us":1793841925792739,"prev":null,"subject":"erc8004:5042:317213","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. 0x2584f46425370dd203927f6e76bb9bf3f44092d8ad1d1074965a96d275963f88
2. 0x1c5550ccdb4e86e8b9837560879ccdcf9f9e15457745561f54afbf101821a112
3. 0x5f42450566f071b2345e1b07c7545a7bace4983f916eb65c62e2399b8fc30cc3
4. 0x0969ab6b6aaea72cace4633735a43493d5eb87619d4113603921ebd4edfb2d96
5. 0x53e83070f01d847c577dd839ad2834c2ba663d596339a0cb16660bea52a1a8c2
6. 0xcdac85f194ca85e30af56fe8a12684fc023e16759d49e9f1f31cac03ae1b2f1a
7. 0xdcf227602bdaec9ac90a56a064fed1540ea56e5861784fbb1ea856c785220a2c
8. 0xcbb7f50a8d44abac057275034f534410688d7757c8b187f2550155068ebfd61d
9. 0x72ba6f89e9dd44f5ca5f8bef51b628036a4bfab22e3a4fb70c55dff2510002dc
10. 0x66dd3ffa38455a26113fb3c20b654428c3142da8b1e30f9b75ce6ea0513a3c09
11. 0x5fd9ba59f34837b4766d4e747a6c047b06b09c2c4c41d36deb59f4f5375125da
12. 0x5a2a95a10b6e84c5869da530c7764660122fea4be0af8e4fdd3d823277185b16
13. 0xf881b2fb6613a30f4570fa246abbc6d3a5224df3e6758a80cf8c77228624523a
14. 0x492a5126036ee8aafa91dc608819dbc168a2d5480dc97bd15c3ed39b7796b0bd
15. 0x7c0ecb381cdd978337dc5ff40a1a1db43aaef42628e17d5c85ef5bf173d90fbe
16. 0x0009f1567d5c3f52d167d3c95d53c71fb66114fc26e83679b452d6db2f1d0b95
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94