Evidence row 1761519

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0HPQa0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1e8a0d7f-19a8-407f-9d5f-87f421bb3d9a/.well-known/agent-card.json"
    ]
  ],
  "name": "Gonson",
  "owner_address": "0x05223438a386b0b881cb0d305b6e566253b411ed",
  "raw": {
    "agent_id": "4067",
    "agent_uri": "https://centralcity.ai/a/0HPQa0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gonson 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/0HPQa0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gonson",
      "registrations": [
        {
          "agentId": 4067,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1e8a0d7f-19a8-407f-9d5f-87f421bb3d9a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0HPQa0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793532859,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T11:36:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gonson 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/0HPQa0"
}

What the leaf hashes

{"body":"f177ddcd6dc142a2fb3bddaf8be7e68b86d05a82c627016ba7aea1582c026a56","id":1761519,"kind":"listing","method":"sync.erc8004/1","observed_us":1793532982530912,"prev":null,"subject":"erc8004:5042:4067","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. 0xb8314050a98c9e3abd0ed7cb1cc96a549c2bc2bfaeafd24693c927930a4b44f5
2. 0xb4fe17b077d0496107bbabe5c06fb299b1a35687a0f96f1a5ddc0278a973f92b
3. 0x952ea4d11d8114888010cf44ae16156f3a1662f7bea789139dd931e86fc7f7aa
4. 0x35328779c1dec206f3014d16ec7622fdb3c0656afc9da3ee7fff50634b4c97a6
5. 0xf870c341c3e1001c74d9113c08815c271bd30105938899543d6716d7ed363693
6. 0xb1b877f699ed36313eaab5d1d55253e5c805edeacd9b0807da243379059ae6fc
7. 0xfd7dfa18638659d83a468f71f4e4fa92ed894fd02aeb51ea30e017a2b7aa96e0
8. 0x7bec293a394950c2864f1621cc3a65d7ba287744715fdfc42c7ce660164e9990
9. 0x8c90fbb19ff1f10701f005a22cc3f0f16539d5f92ec3bde48da060d2f11f7428
10. 0x76c32b1194e8f44d9bc12f4119523c9bbdc132ca5e3fc46fac30c27e838c771a
11. 0x7153cb550d43d26e23933a578528f3263e1670379d06efdfb45ed0572375e27a
12. 0x7f84a429a6f515b4264e3f89b39e5d9610b2f28288075b591a2f535c9d2fa11e
13. 0x8e759241dd7d3573c90854e58ab2c243f47abbd9411d188fc23d7d0f3d7ad1fc
14. 0xc4208f09c5a97556dbf0e04ca82216f9056e3cf547ebb46cc61036bfd76910cb
15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90