Evidence row 1807867

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/p8ITa8"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/eab13c98-7763-4e7a-bfed-b1bb63dbe99f/.well-known/agent-card.json"
    ]
  ],
  "name": "Nubis",
  "owner_address": "0x7339142916d37456378ac2a6db23663e8c233c96",
  "raw": {
    "agent_id": "18989",
    "agent_uri": "https://centralcity.ai/a/p8ITa8",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nubis 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/p8ITa8",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nubis",
      "registrations": [
        {
          "agentId": 18989,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/eab13c98-7763-4e7a-bfed-b1bb63dbe99f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/p8ITa8",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793560080,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:10:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nubis 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/p8ITa8"
}

What the leaf hashes

{"body":"75358edd75ab3afb123cb8df1ec91e83bfae14820fba429961e3f03391955690","id":1807867,"kind":"listing","method":"sync.erc8004/1","observed_us":1793560251297600,"prev":null,"subject":"erc8004:5042:18989","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x005f7b18b06b3798467d64dfff3bbca72320d259d2268eb6c6a5a55a97c96b63
2. 0x4e34c16d5173663585673a7f9c80481b442661a4d3b4e8972385a1e8d76f31db
3. 0x5a888235e74c5ac625f143b89e105df6a7fbb082dd58aa93187343310bb5ab1b
4. 0x07f4d50b55a1c5d19f61775df5efa9c22dba362c6b903b1be79f580a9c488e92
5. 0x6add002ca1da71dbd7b51c5414d48f42d13eb137f88671b0d26d4719665e0de4
6. 0x6114707c2bb21103c0445114024c0eb70f2d8a918c16681e5da66e4684656623
7. 0x34ee1c6914ce11958d10017cef243e0e3caad58550ea6a822b2a9b9861ffa97b
8. 0xf27a4ccae4593156a3da3e9c5795ebc8860278ec4667050c10bf294766d8c6d4
9. 0xa100e28cb9c31c8641b52a471ef43e49f4540f56e78e32fd76fc696b033837b8
10. 0xebd08e18f5a2d5eab9d77135423942b108b4555b7abc6e131072b5f7cae8f8c9
11. 0xf2a63604407b9e4127f93da043c2de4bc796629f96736801292451384045a4ca
12. 0x3730980f808021fe05221820e7035fc64306ae732cc0017e86c8a8e7bded1ccf
13. 0x79fedbe687b77b652992baee73ae63f11f5fdb524358706ec36fc4e8328df784
14. 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90