Evidence row 1816930

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/W2s5CX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f7b8d767-6f6b-4b5e-af3e-bf25b7273c2d/.well-known/agent-card.json"
    ]
  ],
  "name": "Fiaton",
  "owner_address": "0xbc7c54d594c3de22c7675fb8019bf05ba362bba0",
  "raw": {
    "agent_id": "20638",
    "agent_uri": "https://centralcity.ai/a/W2s5CX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fiaton 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/W2s5CX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fiaton",
      "registrations": [
        {
          "agentId": 20638,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f7b8d767-6f6b-4b5e-af3e-bf25b7273c2d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/W2s5CX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793561593,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:38:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fiaton 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/W2s5CX"
}

What the leaf hashes

{"body":"6dc40989169c6d66d4c19b551c8218a1e456ed4ad194599018dcf2f1ff447cb8","id":1816930,"kind":"listing","method":"sync.erc8004/1","observed_us":1793561918002347,"prev":1816675,"subject":"erc8004:5042:20638","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. 0xedf46cf89d7374af97d27ae17595f91468455ec6d0e6e56da63ca22e448645df
2. 0xc83f9e26fd076f35a85e78c6f4fee4a20ad7e8c846605b472e5391f06ee7f7ba
3. 0xbaa31ace832bb4522e8c13c0c20462c9cbd71928c6bd742fad1078f3422e0b99
4. 0xd8acddc0d6d5c9bc2573b7bd16ac8ada367a048e2807ed2abf479c39af916acc
5. 0x0ebcf4d5908c708655098d3fcdc13116b123f465c8dcc41568284544c656029d
6. 0x8971227dc71c38c35611f0017dfd761565227c954be7d450c46ac8bd0e05c03b
7. 0xcab2de63dec6ecca8980186e58ac64f0eeadfc644cbe13ef9f8807b28d8247ed
8. 0xf9ad0f58db59c1b7d04607d6cb71043585f3c6d1a5177b55bba5937503a8594f
9. 0x730e0c5df9596088dee959ee0f1fdfbaaf8efdf18e837a2654c8171a2787ca2e
10. 0x01103e2a7c0b67f460b1ec10efdc96d934bf19f8046d26e2541e2bd0b5b4cb06
11. 0xaf91b8dd2bb47d8538794ac3fcec81d37ac39d339bdc342a3a965242dcf62fbb
12. 0xd89fa48ca1d4954538951ca232b21fe073980b92125f2108cb7289e038ae2a25
13. 0x598a084bd520019422cd8fb5335eb9a224ef694f2125f139073e8eb90ca1503c
14. 0x80f03705ce9ab50e28456bf4bcfc03de151f183a71db3234274287a24f946a1d
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90