Evidence row 2020521

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BOINmr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8866c5e1-294d-4a2d-adc6-dd393e776981/.well-known/agent-card.json"
    ]
  ],
  "name": "Friarkino",
  "owner_address": "0x17ac51d6aa6084ffdf4ebe33c7e9da41d29d6c47",
  "raw": {
    "agent_id": "43011",
    "agent_uri": "https://centralcity.ai/a/BOINmr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Friarkino 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/BOINmr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Friarkino",
      "registrations": [
        {
          "agentId": 43011,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8866c5e1-294d-4a2d-adc6-dd393e776981/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BOINmr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793579489,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:35:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Friarkino 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/BOINmr"
}

What the leaf hashes

{"body":"9b1f37645e75cdcf8e06d983fba152b0f2920af5ce85da2e1c47f40e28011d3d","id":2020521,"kind":"listing","method":"sync.erc8004/1","observed_us":1793579744070619,"prev":null,"subject":"erc8004:5042:43011","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xe42c627a1f8ad685e404c0a660d455664b2abda929a73e37c8fe7ccb6ba9fb0c
2. 0xac48306331b0c40a4ebe5b1fa83d0d824c442b02f345e53450536fa45fcc9f07
3. 0x84a7b8fec167ac1b6403c2df8c4cf55c66a51750e2ee694967943c85da943b4a
4. 0x735522c84673133b2394d504f3ca7c93401902b354c0476625090c78f237ab5b
5. 0x64542abebc861fb8a4e0778b1c332d1baa04807ce90165565c9fca914d5cdc88
6. 0x100e1fbbd9b5f90ae1b1ed6cdb02958259bb34bd8a31f8337aa270c89c255aca
7. 0xde6b8655e3e3a49ccf17072a4419b00fd05d66dcec167fc007464d9061791abb
8. 0xd53d20e271a49e033156ca8988763d286d83dc19a339b252665cda6f56e797ce
9. 0xb22448661c465329e58e2fd23269d545266254047ffec5f6478f33bf42609cec
10. 0xd067d2a3fb0205ae430314972d29795e777d38db315df596f6576650017eb4a3
11. 0xcf1656df47779b123d1f86c1f7f8f7586e0e8f27f4bdc7eb3239bf76a8cd8ae9
12. 0x22bf176b50c1376a81c95eb70dd7c6a4714266ec78d08fbb68be60b003a0354c
13. 0x5dd9fbf811b05f3e5af51f812b6eea86a039a192f115aecc0fd37a502e3a04f1
14. 0x3e441d3f53c7b69d6c73ef93d327dfc3071a522c550856540832b34fcb531738
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af