Evidence row 1828505

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/58L0wP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/958a665a-8fda-4f9e-aaf9-490fac4b09cd/.well-known/agent-card.json"
    ]
  ],
  "name": "Nidon",
  "owner_address": "0x5059b3a85e529ef845ad77980cf2a621b5d7c0ac",
  "raw": {
    "agent_id": "27983",
    "agent_uri": "https://centralcity.ai/a/58L0wP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nidon 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/58L0wP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nidon",
      "registrations": [
        {
          "agentId": 27983,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/958a665a-8fda-4f9e-aaf9-490fac4b09cd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/58L0wP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793567716,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:15:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nidon 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/58L0wP"
}

What the leaf hashes

{"body":"d222247febcec897a86e003d65a026629c0773b57032df4913b67213ccd78ded","id":1828505,"kind":"listing","method":"sync.erc8004/1","observed_us":1793567739374745,"prev":null,"subject":"erc8004:5042:27983","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. 0x9bc4da3514f840801f4242338d21569e8f72820457f59184cf5b24fa019e0177
2. 0x5d1964ec9433e59035e32e4822724b6e1942b8ffa6680de81aea71a52237f313
3. 0x82f65772979bc8de1e6fc0724023dfde52678249201d9d282567f060e1048bdb
4. 0x09d10c278e8db624d8f049a171756965dba3a2249175b7d2233f4865bff4c23d
5. 0x2297c381f7b1e8ad08360b26fa4a807ef570b0e8a822e3bc944a70a69adaa074
6. 0x150c4a99842d33d0c142fee465155260857bf8b645a5962ca1157a1bec8736eb
7. 0xcb99efa6558b2e49490071b65ac6041c958578ffb28d97bf8b8215b5ad5df007
8. 0xdd1457dd10c6d34c3892d32bc9e2c1aa5478c3c83965ed6607cca3529dfd14bc
9. 0x4b33014bb4782df9fac084629d94f045535456b96843e97f25f017a65518ba99
10. 0x811f5c9458b1fdff111667575c6a5514c70f378eeb3bccc8b68c4e49caa63a40
11. 0x6173881637335708c3e59245b4bd441a34462719b4be2809f293ee032e927e30
12. 0x99dd0a58433972e10fe6af983aa9a9b7d20c9c1412e2e4ad199fb347a07d4476
13. 0x1924cea6ca8d851dc6c770385cf3ddff5f03087e38b2b95faa540dab71151946
14. 0x82d96787431d530f2599d2a77b24c7b5e6f2bf6720f7cd054b4dc0d4ba248628
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90