Evidence row 3028123

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/SysfII"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9ba07316-1819-495c-8353-0c9f91c456ca/.well-known/agent-card.json"
    ]
  ],
  "name": "Stampus",
  "owner_address": "0x9d481a8f3e8541f9664fee81936cc32c71be0749",
  "raw": {
    "agent_id": "260887",
    "agent_uri": "https://centralcity.ai/a/SysfII",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stampus 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/SysfII",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stampus",
      "registrations": [
        {
          "agentId": 260887,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9ba07316-1819-495c-8353-0c9f91c456ca/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/SysfII",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793808201,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T16:09:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stampus 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/SysfII"
}

What the leaf hashes

{"body":"2bf0d2304bbb0b70cd7179f5ab7972703d0cc87596143d61827bd48c5d213932","id":3028123,"kind":"listing","method":"sync.erc8004/1","observed_us":1793808549874939,"prev":3027944,"subject":"erc8004:5042:260887","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. 0x5dc0a762148714f1b99931acae1e9a7c5f153d81a101685330aea4e06af5e38b
2. 0x4e9c1452fd0b013c2830598d4d1f2d2efef7b0dcc367e5a71037d976013e9411
3. 0x5802b43d23641d7933edd10275340ae894e03742bc6c093366ac861e5353e95b
4. 0xc3a94f8944bf5c36d610933c6c4eca31fdafb004d8e6fab97e9b3d622ecbfcd3
5. 0xddf6792edb35829de9ac4a559ef8c95daf1478ac2c37fcc141fc285cec0135e5
6. 0xa5cbd3834cac8a0d1ee05c2c69c4cf47e004c237c15e19030e524a993e2c4823
7. 0x77b40916057171e9e69d899bec7fe74044ab67d982bbd9c802c140eeccc1993a
8. 0x5a0f9e5549faaef87126fd47a0d73bc122f8b48733ddf448574f4ffd601109ba
9. 0xa4ad3820e9278c77c33ce3734ae990f93146235a6a781110d96965602a9879ac
10. 0x4ab7d1ca2e2176626d327c5608cb3232a158e337e363c757b86ab4dd047e7ce7
11. 0x85657c4eb4805ddbd3740b2682b9fe4956b1e71b6b8dd2532fa4996b15e61f9f
12. 0x67d378626b5956fbee73bc5a6fb3d690f177f317c87e6072e94d938cc7a5a159
13. 0x8957a4f68ff075b6dbab81a16ad9e71178aab2bc6af40676851d5c681501bc21
14. 0x9e77f63ad84a9a7f4ec5bd22587b7426172f805d9542bc37a0e6eb7a5819d762
15. 0xef57a5030e9f74924772ed82f2ec9d81269d0f11488e66c967d5fe90d002634f
16. 0x5c295f44fee7844fe001921189101c73d5ab26f05805bf5587a5f0e5ee351912
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345