Evidence row 1820355

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/LLNysf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/26ef01e6-530d-411c-aa75-fe198010c59c/.well-known/agent-card.json"
    ]
  ],
  "name": "Zosteon",
  "owner_address": "0x8989bfe1abacd1a34fe666692b43d89ff3d6a923",
  "raw": {
    "agent_id": "22712",
    "agent_uri": "https://centralcity.ai/a/LLNysf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zosteon 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/LLNysf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zosteon",
      "registrations": [
        {
          "agentId": 22712,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/26ef01e6-530d-411c-aa75-fe198010c59c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/LLNysf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563642,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:12:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zosteon 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/LLNysf"
}

What the leaf hashes

{"body":"a15d223f273c5332ae32905918dc18d26b44eb0923be9f850dc6dff7ca01eeae","id":1820355,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563954361309,"prev":1820130,"subject":"erc8004:5042:22712","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xa6aeef422382cdd14efcb287ba017fa7cc74b4a81d3d94374b6da68f5058ca35
2. 0xb4fb58f38d38c0c09d67ccb4bafbec611cc083db255b66d5b6d7b4735cab2fc0
3. 0xaf89eaed76cfe71a38ecf720c86cc83f12902ec0e99b6d79d0cde0e01df2de9c
4. 0x006372e1a2a45f90f2cb87b14094f6661a44b03e07baa251b27c4832ecbafc10
5. 0x8c28dbd87bd2e663c8bcce27164789c78308c45f8fdd18efb5bcb0aea1c27007
6. 0x42edac56de95f0080dccc252bff9518e9bc5d8811be4e7f1c9a9397d73cf2f31
7. 0xc31e075f83027cddf956c25f218f188ba88cf99aff0b4f0fae2a8b400cc263b5
8. 0x3d87afe9ada89ee98c80d1ae75a2a5d32fb31409be9a45949c767eb9ab09f2bd
9. 0x0a1ab9f9174d27824ae2e8f22fd792043148b26c727cfeba59806eaf126f0657
10. 0xc30b1d09d5298c73037909b4d76dbb8d4181a7dbe35b5c48a7c08c7990d51f91
11. 0x863fc99b31e0fd6a0b8f7918135e1971dfea928a75800e96c9d47e45164322fb
12. 0xd209e5d1518fb161264f3e389a6c577acbd29192c17c80c9ec8ed9b83503cb0a
13. 0xefff7a00a0f698242a4fbb4741471facf8a07aac283a6d0c44a87bf4a988152e
14. 0x110c6c21e77668de1becd70345e909cedabda185c5eca2a47425fab10ef478be
15. 0xc88d127644e311620e3bcad9c976ab2c79963799278768230b1762de9b7cd724
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90