Evidence row 2547586

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nqgyz4"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/48fcafe2-dc54-4291-bde5-b3a7e1e74ae6/.well-known/agent-card.json"
    ]
  ],
  "name": "Brossel",
  "owner_address": "0xe8180b1a7aac98608990f2bb9928b42d651a2b48",
  "raw": {
    "agent_id": "166606",
    "agent_uri": "https://centralcity.ai/a/nqgyz4",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brossel 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/nqgyz4",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brossel",
      "registrations": [
        {
          "agentId": 166606,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/48fcafe2-dc54-4291-bde5-b3a7e1e74ae6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nqgyz4",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793690571,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:26:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brossel 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/nqgyz4"
}

What the leaf hashes

{"body":"23b466a95ba52b96602b584c88bc5eb7935d1625596e453e667d6a94d5d6e8fc","id":2547586,"kind":"listing","method":"sync.erc8004/1","observed_us":1793690771820364,"prev":2547356,"subject":"erc8004:5042:166606","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. 0x3de6e990408dce0dd3d76b981fe9ab1608ea5f9078c67e44626eb9913e71a2ff
2. 0x2657ff80e6c727f2151eb72d749c4d78c0c68a29d18fb1e4259fbfd7929c1f46
3. 0xdef68e4d18980840e13545cb317f654b11adf01362313671a578bb58366ea9c2
4. 0x3423b950340ab4c1c311515fa01da826d1c3d112b498a2cb76a9071938f56d6c
5. 0xb68cf3de67b6273fb31fa2c39b3e39bae8a6e1ed4df9fb9dd7440bfce55e64eb
6. 0x7aee039f9f2a8ae89b64f80371e00f9700e59d98b962bc277a17ef1fafe7fe59
7. 0xf0e077997bc2ec099aa5d6bd99fb33a5e5a01a0dbf977cc7ade5ba317a9b706b
8. 0x9d4e194080c3e7cbce540e8dd26e586a261b19c53fe907d4631495bf50cc1f64
9. 0x2242d82ae852e27fc6222a2d1cc4c32a962c6b3180c5468c28074e83a85ca283
10. 0xc424ecbcf7ab4c3a354f7bec2511661e04857818b0c7eaf95e3c24039b8510de
11. 0x3637a9665fb4044188f80dbd0a4dc68a2cba5acc2c43c9f7cf689fe5b410f838
12. 0xd7f28e7cbf00c0f591820e050e04aa17abaf5d510ce6da77374489a26056334c
13. 0xfd8735c70640de4ad107a46782219847d35f4b6dc003efdaa0ed6c25d9954fea
14. 0x5ab1ed3fc67f5a9ec3583839ed81e49e5b844fa19b679bd6a3514873d183203e
15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7