Evidence row 1777047

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/gKwsne"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a89f68a9-317b-42fc-bf1b-87e447eb0870/.well-known/agent-card.json"
    ]
  ],
  "name": "Birer",
  "owner_address": "0xfceddfc858dc9684b09995c7c0422e7531ec6955",
  "raw": {
    "agent_id": "12144",
    "agent_uri": "https://centralcity.ai/a/gKwsne",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Birer 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/gKwsne",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Birer",
      "registrations": [
        {
          "agentId": 12144,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a89f68a9-317b-42fc-bf1b-87e447eb0870/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/gKwsne",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793552457,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:05:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Birer 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/gKwsne"
}

What the leaf hashes

{"body":"916daec56b0440860014fd654b0db2955093766dd4fd7124d7d8db3bbba6fd6c","id":1777047,"kind":"listing","method":"sync.erc8004/1","observed_us":1793552716034115,"prev":null,"subject":"erc8004:5042:12144","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. 0xdacb543af3e141714379d936d8c709bfb7d21d5fff5d6da3ca12f64a20280a91
2. 0xac39f46c9399e4a4de0c040ce6a6262febb0b206c3e1713a9f64d0b8b5c44bae
3. 0x470856f4ab0bc1f913035d565ee4f644b5c4149b4371c70876caab9313487e54
4. 0xa5c5a54b0c09424516e54a6968eba5d8af4df8c360e2f1d93e22020eeb106bbd
5. 0xfb41ca77d6e5a5b3f146de98d66d15ecdfcc5c21114c0c0134eff5f85e0641e3
6. 0x4d24959f602f3a2f3a3589e3085aa79bb172f0001e943d9091282349f922f4d9
7. 0x2b6167b944665778adab609e8d3550ccbe2fe51688dba88ed685a099ce9ddae4
8. 0xb9750d868df52c7d7444f4fd49e0a52b4217e451fe7eaa2e1496050fb5b23cc3
9. 0xbcc3835ddb2c273de224a33ad6f692bf48dca6ac34fb3afd1d95bc538985fecb
10. 0xb3ad710b5e7665db56a68b4f4f8209776f9eeff23e4b6baf14d8bb2a6034fd12
11. 0x5231f00af41b0fc3ba3f5cad28ec33a485dd90dc152d58172c9f6214a8f3344e
12. 0xc961b98d60687e4c4df0245a0f054b5aaf253c670c52efd5a11d349f1dfe2eea
13. 0x2a6197714ae72af66984e8acb7bdf44641d311c74106e3b6480080e1d9170463
14. 0xe4cd5f56e5b4bb570140c97935a785daafbef0e607cafa2e0adfd0ff7fc250c7
15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90