Evidence row 3031688

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/deWqNR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6fd3ad37-4ff6-4533-a103-d5f17357e1ef/.well-known/agent-card.json"
    ]
  ],
  "name": "Hostan",
  "owner_address": "0x63164f93014b7def5aec718ecfbf8f38b44f0786",
  "raw": {
    "agent_id": "263459",
    "agent_uri": "https://centralcity.ai/a/deWqNR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hostan 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/deWqNR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hostan",
      "registrations": [
        {
          "agentId": 263459,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6fd3ad37-4ff6-4533-a103-d5f17357e1ef/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/deWqNR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793809716,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T16:33:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hostan 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/deWqNR"
}

What the leaf hashes

{"body":"9d0c6fb91c967a6b11079ce159f2407f29aa6b9b35f63c62f91d2c6ca34c2c54","id":3031688,"kind":"listing","method":"sync.erc8004/1","observed_us":1793810001935769,"prev":null,"subject":"erc8004:5042:263459","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xa26b52c2c4dadbcb1d0b7ae176b014a5c0c6d0619e5e0fe0126788557f5b8ef4
2. 0xfd6ddb2c9cc9a35713cdc0f2016af1c77f2ef737ea97e7567fc654d78378f650
3. 0x93528c762688a26ec22d06639c2c748afc5be9b8ea6a5e7d02df4ac38cfbd3a3
4. 0xb7e94d44901b2cbf8ea2fa55cc1b79795644eacdd88fe4a81d6cd0b66e9d760b
5. 0x1013cdefa24a0ad8e5b2aae7af00d605a75d71c2d1fc179cd996229ae88c1ded
6. 0xef9032272057c55252d07168fb109cecc23f3c65a191eb2277c3932e9c37053b
7. 0xc06c60db91a23a1dc90974925edf550a9fe06800ff98a50fe6adfa1c764084a4
8. 0x79aa0d72e4be862cb8fea39cb6d8d5f74cc723223c1d475ccf3c9c142289c18f
9. 0xf74d235c7a6d049a233d0a237a99e96c11ecd44e22703ef6dea85a8225ab3419
10. 0x51eec1bb56a070cd53632bd961a5e335d8156703aa788ac0db93c67afafdb3e2
11. 0x5cbafd1c914a0189b20e7072785123be42a8787828395efae3fec6508f5556a5
12. 0x97bd590e50b8c38c471ee26f4101b734bdc2f5a4effe5d6dd23f038fe0aec61e
13. 0x4e3cf6adf9462457ebf291a4697658af6c0458a9430539ea82790d3b50c15cf0
14. 0x0acb776c7cfb7900304eb2e18bdaeb4d910683a314407142d6e5519fdff93376
15. 0x378b07f7642084931bbdf9bd843070621af094779cacfc2186c04d7a92468ab6
16. 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345