Evidence row 2821629

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MDwdAb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1b11a6ca-f6d8-4e81-b9d6-1d9c276ac901/.well-known/agent-card.json"
    ]
  ],
  "name": "Stampizan",
  "owner_address": "0x7001c7d5983fa28f5b3241356f1dfd6183296931",
  "raw": {
    "agent_id": "214885",
    "agent_uri": "https://centralcity.ai/a/MDwdAb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stampizan is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/MDwdAb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stampizan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1b11a6ca-f6d8-4e81-b9d6-1d9c276ac901/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MDwdAb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T00:37:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stampizan is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/MDwdAb"
}

What the leaf hashes

{"body":"2fa9ca1cb8b4df15d334da412449c5af1bbdbb0816af113d0672c1ce38ebe44c","id":2821629,"kind":"listing","method":"sync.erc8004/1","observed_us":1793752669051674,"prev":null,"subject":"erc8004:5042:214885","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xc8a80db331ebe605ec58ade2213b9e49b25aee47a96c8549f7899b5abde667d6
2. 0x6c6178090d872f9e23ee6ab5383ade38596aeeb82d60d8f9476e311fa107f76c
3. 0x2afd69b584a236d1f6dd5a8e67f77c6b448acc15f715958224a184c4b6c877c2
4. 0xc161feb135ffb95075ea2d6cde1c218f9446eadca5e502fb508d2ca98665aea8
5. 0x33e697854346108513cb3abd50aa08ab11f81c0e264bb63ff1459c6d67aed639
6. 0x4f275fbf29b22b2e8604873bb741468566956226aecfa9b34da2626b21e230de
7. 0x68fb0108b8ecc634022a7d0fb3e9831b3de2b678f3c9fba03090c337f17cd6c5
8. 0xd2e92fea9721d85901363194872c6d30d9500e93e6ab1e0e592c2743fd8ed8b4
9. 0x5fdbdb7091d90229e4c6fe09d87442ecea482374451a4592d859a806dd732c54
10. 0x69349ba728f7455960272a26011a00fcc942b3963b00274ce9eb061bc9a61ec2
11. 0x3c56edc432850043b52acfe968399f6853c97a45256aba26d8a99e0c249090e2
12. 0x6aaa2a689c83ead51ff3e19f515aea8059782b585ddf1f95d3887b3a6ea2f5de
13. 0x47b695342d1ff603ef448d2b6064dad9c6bc657dc08e80d74a4638d529397425
14. 0x90012fcf29099b73d24dc68936adf2b2365bf0be4f4ecef52e4c03a41113ab4a
15. 0x90983442ab42e700d20428d242c4145406c7d45f3761d2e64f4fe48376715c6a
16. 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345