Evidence row 2709458

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Oq310d"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ebd82367-8fe6-44ce-989a-b7ff8e809687/.well-known/agent-card.json"
    ]
  ],
  "name": "Sampon",
  "owner_address": "0x3cb304566e21735ab7be833a5eedea532a9eab9a",
  "raw": {
    "agent_id": "202938",
    "agent_uri": "https://centralcity.ai/a/Oq310d",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sampon 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/Oq310d",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sampon",
      "registrations": [
        {
          "agentId": 202938,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ebd82367-8fe6-44ce-989a-b7ff8e809687/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Oq310d",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793737239,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:25:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sampon 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/Oq310d"
}

What the leaf hashes

{"body":"e4089a9c30031c5b1af9f34e970281ccdf8f9ad0ff61e3fc5fb102f5fcbe3c8a","id":2709458,"kind":"listing","method":"sync.erc8004/1","observed_us":1793737536685415,"prev":null,"subject":"erc8004:5042:202938","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xc0f82f0286706adfb4fe49b43b7a0ebd48bc9109a2fead016690b5e1dbedc3b8
2. 0x5afbdbbd4ebe57cc9f0cad1517595e7566f6b228ad25db98c05e615fdc05c2e3
3. 0x106e1fb6c1a9e4e70dfc9231672d9dbc7f8dd133f4db5029fc3fd3a093c82a3c
4. 0x38fd5328809143e0c4b15a9da71e1ee669a237cebc2774a64f1c10b96f9eecb7
5. 0x39977c124a62df9b66cab46d117170aadcc34a2e77abd9d2564c4051c4b130a3
6. 0x33dcf87e0fa2fe28f1d16a24a076de380176883b0da9dd6281ec87c891c5a23a
7. 0xea61a6be177bd80eb955586cb5bb79a9135e1040ed54fec1ae038ef51d2fbd80
8. 0x0598e675d04d9c24e93c4e03a5acb38c12acf50056d8b19ad8fadd6a9a00a24f
9. 0x38cff4e345e3175d8a1bc09dc514368fc9ebd75ad8cde3380b62b3cc0e9fe8d1
10. 0xf552662bbce7f7cd382b6edf3e53f359a7ee50a5a00867a894b54d72eb485cca
11. 0x98abe34e2e8b536ad03e9ad8f2f8d5343cbe60fa760e7956c2d9a50cbe065fc6
12. 0x03bba5c0f32b920d76af8de61973ae17bf02688ef02b94e203278f2dc44c0b0d
13. 0x5725fec26fdf9c4b3be2c1880ae1736a4d7fa0eeac79438dd7580b5eaa289599
14. 0x1d666a17ae41c2931b0c5276dc8bd8c2adf9827a61eb629d06ca3a33ee6a051a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7