Evidence row 1850693

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/eMnQtf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/77930403-e47c-4229-9845-05d62b3f4dc2/.well-known/agent-card.json"
    ]
  ],
  "name": "Niontisto",
  "owner_address": "0x6a290b8d92fb3f5067033d99f2b6058cc0872d54",
  "raw": {
    "agent_id": "40819",
    "agent_uri": "https://centralcity.ai/a/eMnQtf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niontisto 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/eMnQtf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niontisto",
      "registrations": [
        {
          "agentId": 40819,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/77930403-e47c-4229-9845-05d62b3f4dc2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/eMnQtf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793578006,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:12:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niontisto 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/eMnQtf"
}

What the leaf hashes

{"body":"08d9453389420f0184a583fa4cc372ee6d32a4deb48d6ba8e946de92bb592bbf","id":1850693,"kind":"listing","method":"sync.erc8004/1","observed_us":1793578345959582,"prev":1850213,"subject":"erc8004:5042:40819","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. 0x3cdafd9d10ef91ae332137c473899a7b7dc33d701bcd54328cd764cefe0e360c
2. 0x5591ab4334556342bf0693c29d4c20eebe2e286faaec4e7c04c2ef11cf3183cd
3. 0xb79cf14413077e4005b9fd13b81586114b014fc9be587de980ca7c603b47b5f4
4. 0x9ca4c96ad4bd387ca53a1cf4f98f0b9bfdb8735e87bda77ed6f3c31179c23837
5. 0x4fb6e1aba65f55acd63e8216f864b97614535bce1226ca48d1fd50a2e766ad7e
6. 0x2095d6538d1713ebdc19c1fefcd3e4a677842e2e812b8d63c0355ceabeaf4040
7. 0xce094173146f2e5dc714f3ad3f7f7db26d94566954793e6b2fee6317ad709a84
8. 0x07fa897224401882c9acc0430ec5d14c6d634051dcddcfa141f0e0f928bd5791
9. 0x338ad19f2485c434ac5ed28a525969db6dbc4c7826faa2c38c28f406becebcf8
10. 0x688bc5816e78c39df84691faa734e832631abe8d84ca1ee1cc451bc7b16e4461
11. 0x594a62aefb46bb850fc4670add4c3d9510ccbbb7516910e86690053885b3ec76
12. 0xbac6cdbbc8a23e8233870d7aae1d614c0c1fe809d0e40a72ec73dff09341aa56
13. 0x507a2180313be0729754aef4a9f5ae0f5f1b96b322bfe83831a668afc9bd9d5e
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af