Evidence row 2712149

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yVbuyk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b94dbbde-2b7b-4c01-8530-da1abb47c8c0/.well-known/agent-card.json"
    ]
  ],
  "name": "Hufino",
  "owner_address": "0xd67aa44a650ea71df98b5eee1e81396bd5f4c137",
  "raw": {
    "agent_id": "204206",
    "agent_uri": "https://centralcity.ai/a/yVbuyk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hufino 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/yVbuyk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hufino",
      "registrations": [
        {
          "agentId": 204206,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b94dbbde-2b7b-4c01-8530-da1abb47c8c0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yVbuyk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793739138,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:53:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hufino 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/yVbuyk"
}

What the leaf hashes

{"body":"a5edf7897a4035426172fc4bebbbee71268e564f305dcc3d5377d66f9ee3c2a0","id":2712149,"kind":"listing","method":"sync.erc8004/1","observed_us":1793739217032919,"prev":2711885,"subject":"erc8004:5042:204206","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xdd0b4cb8d2ddd1c4790cf5ca788eff08b4f40a64b9b2a61b5c9ff8acd1f8b523
2. 0x397e884383219075c137ac10363830a5973021c097017a5cbdbb53534882297c
3. 0x7f4f0534186da9d43e528fac7c19e8ea0f62efc07192f27a99233dbea611a263
4. 0x3479b8a28b25b9657668780510dd479915d33c067fe2f236fb6084e44ff24251
5. 0xd05ecd8c5bfa0c692ba3db2360ac04dd537fe8614032d2cf183a46b53da44582
6. 0x54b5d564a2943a7190d95adbdc451cebee4ed6567f332919ae1079557b75673d
7. 0x8890e952c5a8d392cd62f9e1d82e117263833bf9c55a385934a802606b5cf677
8. 0x6159502f96744fe088afb2a781d0c562602e8c3c2960b74d72a90e94efc7acf2
9. 0x62d93ddac1617f07e66a5d5d58c28d9fc073ad974799b36493bccb39c15b7b3f
10. 0x4d2563adbff2ebd9733b7e6ae70852a229b34b11aed423c3ccf5fe21989f3b1c
11. 0x36f34f9d2bbe0080eb6cd85fecce5fa7a140252636cde7613de8b8691279f037
12. 0x4ddd25ef21cd5cb7bdfdcf0d2d550f71290c54d3133ba104829ef1cb10fe46b1
13. 0xce6f344e5d2ebbe9a3ab4bb64d1eeeca122b42bf3c2bf88ced9f78e1da0b926b
14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7