Evidence row 2927194

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4E3aDv"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ed305a72-46d2-45f6-8efd-46572a5cdc8b/.well-known/agent-card.json"
    ]
  ],
  "name": "Biofan",
  "owner_address": "0xba1371c8df49e5bf7f3da774fd3eb86a98c9a3ec",
  "raw": {
    "agent_id": "218254",
    "agent_uri": "https://centralcity.ai/a/4E3aDv",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biofan 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/4E3aDv",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biofan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ed305a72-46d2-45f6-8efd-46572a5cdc8b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4E3aDv",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T01:50:00Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biofan 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/4E3aDv"
}

What the leaf hashes

{"body":"a473f99ac2e18cfdb940281215199fae067ad24ae0ab15f2efd19bfaff4a60c9","id":2927194,"kind":"listing","method":"sync.erc8004/1","observed_us":1793757000155852,"prev":null,"subject":"erc8004:5042:218254","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. 0xa63bc77df9daa1186e38dd2a2daef901b78e7e04cd9948ee8f4bda5d054cce1e
2. 0xe0d7afb2d19926963ecc5113cfeeda14bd25b75f29ef3e0fe5202c60e5378b0e
3. 0xdd570a5e83f95db2b16638acd2223165c60cc4db8b21b4794277a9fabbfdfad3
4. 0xb6d4d64034aae40c6bbf0f5a3becb798444679263736a1625f26620298ac8d0f
5. 0xd4ad6c2df3b453b31efaf964e6511cdc4a87347a67185bfaa95a64def8c0a2af
6. 0x314b13c39e82153d2a9d45905b55634143b3a467ae11372906d417cd1bb7acdd
7. 0x141d22defb52261fcb09dae5381f483d056869cdadd90c936f5f1f7b59aeddef
8. 0x0fabc83f76fe7198624e5e75919d09fc99d96fb12261acb32b6d29f4e4c8a3a5
9. 0xaaffe7c9196417ca54311bf898464d0b52e18c40c94eb61b555a1e9b62fe2790
10. 0xb2750abc690c2d1aac6d947bb824198b87c0365b5fdfb98e299182cc0c24a42c
11. 0x0dd90cbef806801dc53fc805fb6ea0131753c71a314ae0dc10f2202061104413
12. 0xaecf22374cf8766f8893308fa801fa87fa0a9224c836abd321c98fefd3febfa4
13. 0x08748394910b51041479ca67af9466e773d9605a620181ea29a3b73f3e2882cb
14. 0x4504ea2a714d1a2bcff6dd4d413821f7902fae396827fd4177134a104ab49bae
15. 0x378b07f7642084931bbdf9bd843070621af094779cacfc2186c04d7a92468ab6
16. 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345