Evidence row 2102559

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ZQae37"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9821c966-3b4e-4aa8-910f-b08ab7c18745/.well-known/agent-card.json"
    ]
  ],
  "name": "Bianser",
  "owner_address": "0xf5425eed6055867c07f9df0743bb3788e6effbeb",
  "raw": {
    "agent_id": "81919",
    "agent_uri": "https://centralcity.ai/a/ZQae37",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Bianser 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/ZQae37",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Bianser",
      "registrations": [
        {
          "agentId": 81919,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9821c966-3b4e-4aa8-910f-b08ab7c18745/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ZQae37",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793611574,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T09:31:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Bianser 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/ZQae37"
}

What the leaf hashes

{"body":"b5464674ffaf892e366048de239851ee714e53715785cd55398d7f96c443af9e","id":2102559,"kind":"listing","method":"sync.erc8004/1","observed_us":1793611897317076,"prev":2101897,"subject":"erc8004:5042:81919","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. 0xb83df5747d2b0f267932b8e54488526e090f92370e38791ee5f6448e856481f6
2. 0xc251c6c74be17c1489d8538b0db1ac14958997447b766a44d7d1d4253366c143
3. 0x20f43e37569f5cb585088441c37aa69e5ae26d32adef7614ec908e0939a2fa5e
4. 0xa92512545c7558c302e9922b7920820aaf708590c92829b1a9131298a00c01cc
5. 0x43c3c6fd1ccf2037bad50a76a8ab9dcad06ff450dfcd9b80cbbc72640ec175f7
6. 0x1b3f59f5a4fb9b297cf4430e6ddd253169624fd7c9624f6d61ea2421337ba9a2
7. 0x17d37d94d8a66957b6f52c4cbd8562da96cf55cc4954f31a77e864216a71f36c
8. 0x2b3ac2df18a907af5aa15e19c7a1a67149bd13505d4562d1c7f5320e7b52bc83
9. 0x1bb384daf8af797e55ca0edbb156fd49a5972dd71a92f37fe2020e812b2a419b
10. 0xd859c41cfe9167fccfeefe80172a1595935bc72a35192aaa23bed2d0983de612
11. 0x7503de792a52b6e3366d8d02c3706c7604b0a81a9dffdb9bb23c8194747fd5f0
12. 0x203a0e1fcf7f6b3c1f6e99b559fa5b97c74c6f45b35f6eb08cb8521cdde39bc5
13. 0x080572f8942a728701d6e4c74c76b04c122aa149d1dbdef56feb8ce007a745b1
14. 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af