Evidence row 3019893

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Po2Xxv"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4fd65975-9f22-43a7-ac5e-09cf28b26b99/.well-known/agent-card.json"
    ]
  ],
  "name": "Guston",
  "owner_address": "0x4c8666d2398fc3fc7f56d2d8e1bfa4a15264ef62",
  "raw": {
    "agent_id": "255281",
    "agent_uri": "https://centralcity.ai/a/Po2Xxv",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Guston 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/Po2Xxv",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Guston",
      "registrations": [
        {
          "agentId": 255281,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4fd65975-9f22-43a7-ac5e-09cf28b26b99/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Po2Xxv",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793804451,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T15:04:00Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Guston 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/Po2Xxv"
}

What the leaf hashes

{"body":"372c9147b7d39ee2edc7ca50da2bfc2995a73901a11ba80217b7e088ea2a8cca","id":3019893,"kind":"listing","method":"sync.erc8004/1","observed_us":1793804640824712,"prev":3019628,"subject":"erc8004:5042:255281","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. 0x73af2828389918dda348184b21ec76bde185a79414ecc778ce9f69d43f3bb430
2. 0xa03ab45e14381897598a00a2e9638274eb7a0885d42da5e987cb410cb2bc85d6
3. 0xeeab22a80d26aee6274a956e1143969ad55cd3fa77d7348528986f1ca64810be
4. 0x32501e558d1577e887ff60f75a154b1f824bfd93814f51d887ec4f71c0e7feb1
5. 0x8ea01d94302f4a5892cf1e7fc90e63ea1e35bf10d08e61004c56815d1621340d
6. 0x47be0755e2b89d16dd20c42fa714647f0f2f21930879467ff6974e8f9950e6f9
7. 0x22749776479d40b259380928a07c127eb69004893a4f857bdb98890ad1736b96
8. 0x1fbc9ce707dd7c41772b183d786578b0c55bab8ba5c1d2b45a201f530c50a0fc
9. 0x8fd04f8bd69869be72406e25227f8269aba2caf27ca91242eae843baf4c9f2e3
10. 0x830d16d2b85fc9be1b6f2d99373c33cbfbe1f1e4f28b7511f29f4ded76e14df0
11. 0x9fa1b46319911b7d03f6c7cf55104aeca5302a1a50d0488527fa0b5dbc07f0c3
12. 0x96080704a1e67dc87b212ce79dabb4c559e5810b66f4bf514b1a6e8c889e1756
13. 0x597af581ce631dab60354aacc984d7398ba52a1ed9fd62d247a798c1ceccaa72
14. 0xe27ae3c825a133907c02ce25e7292a68e76325500afc33ab38a3ba76e1a0d26b
15. 0x539d73c83d7aa7f740599809a1eb066b48ddd9e8d1ce14a80cb191f4cf87d3b8
16. 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345