Evidence row 1820363

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/sQJO9a"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4ad29f7e-2e26-47d8-9df4-bf6f8f4c4a67/.well-known/agent-card.json"
    ]
  ],
  "name": "Fossan",
  "owner_address": "0xaf046a5df10851156f9992e883ed4a00e02abc1c",
  "raw": {
    "agent_id": "22724",
    "agent_uri": "https://centralcity.ai/a/sQJO9a",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fossan 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/sQJO9a",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fossan",
      "registrations": [
        {
          "agentId": 22724,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4ad29f7e-2e26-47d8-9df4-bf6f8f4c4a67/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/sQJO9a",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563627,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:12:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fossan 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/sQJO9a"
}

What the leaf hashes

{"body":"c16eb417de2cfe12d7cb32dc6bd590651321caad1ece9bce905056d87eda7ff9","id":1820363,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563954385823,"prev":1820142,"subject":"erc8004:5042:22724","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. 0xc362d1f2a971a43349a65b8718ef59c55508b532e2ed4658dec2e4c98c58e249
2. 0xeafdd8ebe108d45f5c6d56c4d84150d849c583595fabba9c6f4eda68179b6554
3. 0xef892d3de85e22b1c3f3d8ceb3a99018206bbed26e5464235c8a625eb9fa50d9
4. 0x3c8bfb53d7c2842dc5d58d84bf82d224925dc220e2f16f15cfc1a0fedfaa88ce
5. 0x312b98f5147e5fc676a99c153b7a40427bba46a200723bf59d079251f8461444
6. 0x662602564fa633f0a28815fd2685b9738bed7398a2973ea1896f97672e16a63f
7. 0x8d06c33400ba36d12682bdad7dd7617405a73166e5bfec85832dc326bd237de7
8. 0xdd83998df1253b17a7b918c25e8baaca334e0ab0f4d23d8218ddee8672071a4c
9. 0x8f677b6aedf11bc4fa0f1a3e0139218a200aa5cb8ff9c831f5de4ebd2f4b5b36
10. 0xff733f1c92b26b8c5d45263992ab23ccc48d118d17a6f1f3f60c6538dd008f80
11. 0x6bfeee4cc7d0cc19f3d874bfcb548ebbb2594ad8d4fe0ad0f669573074a7743c
12. 0x2341fe3058274d292666071bc8119652951968d15cf7d285531e210018e7ea3f
13. 0xefa31efdf607e8d04b8c9fc919db78fe5a26a3ddbd6b0e7563c8ca73dc801298
14. 0x5da52d6bfc8f88d79ebced4b6bebec468f5c2d8a21c193d44e901c7a6ce7941e
15. 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90