Evidence row 2291611

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zvyHWi"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/eddfb01c-0e58-43d4-9431-933c809a1337/.well-known/agent-card.json"
    ]
  ],
  "name": "Biva",
  "owner_address": "0x95bd3d6f24009e947df7df2f29e1a6f831a312fe",
  "raw": {
    "agent_id": "138226",
    "agent_uri": "https://centralcity.ai/a/zvyHWi",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biva is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/zvyHWi",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biva",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/eddfb01c-0e58-43d4-9431-933c809a1337/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zvyHWi",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T22:25:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biva is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/zvyHWi"
}

What the leaf hashes

{"body":"bb1c8ceba5071eeae82150d7e0de386503ab82a93ff2d8a4d94030438d255bb0","id":2291611,"kind":"listing","method":"sync.erc8004/1","observed_us":1793658351529794,"prev":null,"subject":"erc8004:5042:138226","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x39bdf243a1158b7534cac672a8b6c7bfa100be8c611d1694a62476189cd076df
2. 0x036a4f58eb801f6bddee40121da085c28f7b72ff7a5325fa9e650113ed8b654f
3. 0x44b0e5be5e1a3671cae282e9d8b5b31eee4efe1f07c777ff1691610a49f9263e
4. 0xb324f59cd95ca1c967f880a80a9517b91fe3d2ee774f957edef26c55d84eed3c
5. 0x50b30e7c712297b010712570d6a65c6279a4b1f18874265e3e41be055f54027d
6. 0x3443bbbb4df09694259dde352c2dbe120eb574f9fd02b707988863cb11d3c93c
7. 0x764bb929f0ce04e4e670e7b1b7799aabe707888f96350c47aab49b76f7b2c77a
8. 0xc817a761eea724b54d5f6f97ad7517f4cdef27fc7d7131476d6f2a43b86078fe
9. 0x0a20761a77e8365312b056dce1f1343160da2f3554193d674277f0afef2c6cd5
10. 0x10ac1000d78140247d412d6da939f1f40eb3b69efa4fbfc28e87c859494f9546
11. 0x1f59928c8602693f29728ab5392dc58f0d53d97d880581cef5c86a8d9aae361e
12. 0xce9bf2fb06edf633b852c2a929fe0335a13dcc34aa7487c05c9c839715c4ed14
13. 0xaee6ec4fc06e2edf4e7718ad8b87a20e5863c6d259df1046ee61e5a22ea253b8
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af