Evidence row 3019452

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9yX0Y2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c73aecc9-5daf-4c32-848a-e7c43d58369c/.well-known/agent-card.json"
    ]
  ],
  "name": "Bifan58",
  "owner_address": "0x3cc4b69d57e3e3635d32e9bd9ff627163827bc0c",
  "raw": {
    "agent_id": "255105",
    "agent_uri": "https://centralcity.ai/a/9yX0Y2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Bifan58 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/9yX0Y2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Bifan58",
      "registrations": [
        {
          "agentId": 255105,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c73aecc9-5daf-4c32-848a-e7c43d58369c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9yX0Y2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793804151,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T14:58:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Bifan58 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/9yX0Y2"
}

What the leaf hashes

{"body":"f193478f496a7ba8ea6928d2c3f98fa62b08996f3b2c49f4fb5fb2427c61932b","id":3019452,"kind":"listing","method":"sync.erc8004/1","observed_us":1793804292750002,"prev":null,"subject":"erc8004:5042:255105","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. 0x89c6466057f62a5d6e5673f3c9079e5fd9068a2c5535a23c565b72a6063cb6d8
2. 0x38232a0382fe890b66c2a337835531fcb6fc8f705fc8236415fad80cb2061d3f
3. 0x0585ec2721d44a8976c948a791bd4e6bef88fd285902595566483cd0327d5d94
4. 0xff20d58d5c533eaa4b901ad71d1001f53669526c3cb5168eb4027ff1f48111e8
5. 0x7eaa5ea86248f0a5b244dd9b34fed3a00d3f19996ddff1a1dc754bb1f057a02a
6. 0xf8693397bd3b57f427a89eb61d9ef5128c0f7afcaa33a3e3e3f598b8b8026b83
7. 0xbd15876451b50c33f944f4243b9aae4b3315b7a64a44bf541968501989ad3de8
8. 0xc2bc6048c52de56e6e2f19149e366a29170b4926c1e2340deeb8226551d7c346
9. 0x8a1c12bc40b40b14a719ce5f762f0c10a714f9f5113602fbd5873537596d23c8
10. 0xc5013c1f515171bfd0c8d5ca987955c43a41d29726054800eaa4f62a5db8ef57
11. 0xc0dc5dabd95a1249f0fb33e18a2d2c1b919711aae8703173d4171695430bc8bb
12. 0x0cd20b9a4af8738ce55ce46fe5cf0b085b46b82436a8beb003c80d00acad989c
13. 0x1663b230f11b7e3be4819b49d44658fb816dacd0685f04555c12040612ad37ec
14. 0x4d0a7156ec796edb8d5a0d2e4485532fbdb3169d97aba38a0b511c2d6f628d21
15. 0xfd43ba7389cd962b524a46ad83e1376d2c8058f201e4e5045df6cb4011c39a08
16. 0xdc69c7e21c2f9c0827141cf63db0938760879d1a284b22ad79d15b80f400808c
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345