Evidence row 2028712

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XaP7Hk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2fb926f3-71e3-4874-8e46-f00ee3656ae6/.well-known/agent-card.json"
    ]
  ],
  "name": "Klarlabel",
  "owner_address": "0x171a45a63504f0b44f8593a11145532b177e0321",
  "raw": {
    "agent_id": "47426",
    "agent_uri": "https://centralcity.ai/a/XaP7Hk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klarlabel 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/XaP7Hk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klarlabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2fb926f3-71e3-4874-8e46-f00ee3656ae6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XaP7Hk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T01:33:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klarlabel 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/XaP7Hk"
}

What the leaf hashes

{"body":"e2b3b314613cf259cdd4a1b9554f9f3bac22a8dac218cfa75b8c8b709ea659f1","id":2028712,"kind":"listing","method":"sync.erc8004/1","observed_us":1793583219971111,"prev":null,"subject":"erc8004:5042:47426","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. 0xfac7076fd051017417491a7541be62b38ac29d6a0fb8493c1844f26e0440aa36
2. 0x3db8068f04ad1d0f6144c5e0beaefcbfdef2b3f1d87f7aeb8d38754c6c677663
3. 0x00e1bfca7e100bd4deb9a4d19e7d49876eab5af86729f8aeb62dce3c2814d908
4. 0xd9f637ae56a88c43c42916dde52626751916c11a686aa9c849fb73ce349bd340
5. 0x41537e9f84f396e0aecfe0a5dc2c37c0824c7f3aa2304555bb3cac06dcec7df0
6. 0x71e0b16af2ac8c5ce139e3cc5ce726caee7193bfec2843edca62994772c9f155
7. 0x4eb951e690c7378fc497de54b24602968725699676887096fc48a0ced21e178b
8. 0xb8b4d242f0e1c0846438a541264ccc672a23baa103e9230ac0ce53a445869011
9. 0x806e4a92eed1919cd90004416a2dfbab7e1dbcfc2f8c95eead572a27b50376f8
10. 0xd350a98d5d904747e2af0cb080a0f675a855db6af455bb9b02373a9c02cfef8f
11. 0x8a58aa9f01814788100b857e79ca8a8885471d7ae34162bc1fa3c986741c6a39
12. 0x1fdc5cec209319ec27c935f06e49dfee099419dfa8632c827c7fdc61fcd2e0c3
13. 0x53d9a703c9e9f252a5170e08d05e1b0117ac9e5b187b8d11c1fc275324818140
14. 0x59ed3c823c7507ae1b2993d19eda543383739dde961b25c4e0927023fff6be12
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af