Evidence row 2619290

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/LPiVCi"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ebf2394a-ff05-43c6-87f1-066c190c031f/.well-known/agent-card.json"
    ]
  ],
  "name": "Maarkeon",
  "owner_address": "0xe86969f9f9d570f7d1efb9be153a1949c99d6f03",
  "raw": {
    "agent_id": "197195",
    "agent_uri": "https://centralcity.ai/a/LPiVCi",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maarkeon 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/LPiVCi",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maarkeon",
      "registrations": [
        {
          "agentId": 197195,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ebf2394a-ff05-43c6-87f1-066c190c031f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/LPiVCi",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793727703,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T17:46:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maarkeon 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/LPiVCi"
}

What the leaf hashes

{"body":"e1786f70ba054d082d76459ae6464f2b56075207e8a75f451d76da8bcc6078f2","id":2619290,"kind":"listing","method":"sync.erc8004/1","observed_us":1793727972527861,"prev":2619018,"subject":"erc8004:5042:197195","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. 0xd9310b512e17dfb826580c2e711d95d3e56b86bf6957da3f476ff9d1da0db7f4
2. 0xef1e5c7aca0cebfb3377ab4b2bc8e4ae59fbd2bd7f506436a35078d2a43860e9
3. 0xf539b1bb9f4e0ad968a7147fc1dcb33428438e5fbf74aa85831c54319b28a347
4. 0xec7931cf927a4148b352f18a565a05eda5a5058f8f09cabe95607d70cb5a4c8f
5. 0xd4b7d400b81989a46dbfb7dab9875b2d5b33b55aed0853e0e8db9e8ba885209c
6. 0x8c7629a1f302b372015760086ed32e5f0d90b34f6c554fa93206f0b0fb4e64f8
7. 0x3e96243af4e6aaf5adab2ccec0328793934544acd20c80d1f745d61dde019098
8. 0x496707a1c58b467993c7c802a8b77b39c0160dd84c2110ee9d7dcc0ab5498929
9. 0x517ffdd1f4e0bb45e69b3d105a7b9d93320507cfef1d63b1d6e8878b49fe2df4
10. 0x9c960073c81f0050fa42404db906562bd3082f82f8b02eddb96c27da51aab26b
11. 0x813e7025feb7d7cbbb5bb5efe491873d5e9aec32eab90109d17d3ecf38b7fcd6
12. 0x48e5af95f9eb80bba4fbc0a698a6f7e78f9b400ee2c3eb0be1c4c5bb86394956
13. 0x18e08ad394067093dae6bbbe34056f7bb1c1d5e741eeb914e13018528f512324
14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7