Evidence row 2033443

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/00xz4x"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cf80a321-bc99-4665-8203-f0d36695736e/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiostani",
  "owner_address": "0xaf49642919c627b8d267c484d4597da3b297a44d",
  "raw": {
    "agent_id": "49408",
    "agent_uri": "https://centralcity.ai/a/00xz4x",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiostani 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/00xz4x",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiostani",
      "registrations": [
        {
          "agentId": 49408,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cf80a321-bc99-4665-8203-f0d36695736e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/00xz4x",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793585030,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T02:08:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiostani 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/00xz4x"
}

What the leaf hashes

{"body":"315e3f7b54f4f8d57b04320b2066d4ff8bdcc8e7341d6925e617d59f8c03d9f4","id":2033443,"kind":"listing","method":"sync.erc8004/1","observed_us":1793585302415084,"prev":2033035,"subject":"erc8004:5042:49408","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. 0xa1be821ef27b0471c0ca87e82e3d34142c7c6a6680579f63c84027df3f60b191
2. 0x997d428ff9ef98e00b121254ca051356e1f25e661562e88626240f7499bbf186
3. 0x8f7df3e5ede13e3ebef2b7477322765c9f61cf4e3ed81e6e2e964aab88c95b1a
4. 0xc3b7d96989a33a30cc17b7256dca4275c8098343cec3e242a512e902cc1a875a
5. 0x4a16e965b99582d9ff9a191978a96b96fd348b3463666955a9d760b70087dd30
6. 0x18380063211ed05cfa651179714cd658ac38a2a7cb8dfc55f022139a7db11be4
7. 0x1cb20d6f65f0fbb0e3fe2f7ce41e38051895db3496503678b1facbcce4af4548
8. 0x3fd1f1656b9618977d187914ac7f34df2e967fb191b3f4d2b65cc33dc57559df
9. 0xe1ff3cfac4e4b5ef93e2aad6c7a670f9b35af12cc7a8e7ee9c0667e034fe6ec2
10. 0x62d041d191242bb621430435243bcb93683f6ed6a55548010315a12df451e809
11. 0x6f9acc6b04be50d13cf7c3d84756813a7c409ddc4ad821bee277ee447409e7c0
12. 0x521c6b8b7cc237cb9afeeb07debb739b49c1f394630b79cb24e75cbd2492c4e3
13. 0x0503999a04120486c11b5e359e441fd5221b6b3e14bbdcfd7b1b4e8cbc5077ce
14. 0x44d08992eb52b7db0b3504ba234d634742d61c21889da1eb00242ce07e97334b
15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af