Evidence row 2026538

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YB5IQ8"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b53a9dfe-9115-4c33-8ab9-955b3269e147/.well-known/agent-card.json"
    ]
  ],
  "name": "Biontenan54",
  "owner_address": "0x3f5fcd713d56226256cb3f084a0660f2e50f139f",
  "raw": {
    "agent_id": "46277",
    "agent_uri": "https://centralcity.ai/a/YB5IQ8",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biontenan54 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/YB5IQ8",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biontenan54",
      "registrations": [
        {
          "agentId": 46277,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b53a9dfe-9115-4c33-8ab9-955b3269e147/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YB5IQ8",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793582256,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T01:21:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biontenan54 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/YB5IQ8"
}

What the leaf hashes

{"body":"38a8374fafc6275524e5e64dc8b2c69d9001e9cdbe7b9d9ba0489c542de015f7","id":2026538,"kind":"listing","method":"sync.erc8004/1","observed_us":1793582518918617,"prev":null,"subject":"erc8004:5042:46277","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. 0xbfd380ba87763c6bbcfba1c14452f7ea98cd33ff4d7e384fd79c930d995d8a0a
2. 0x35337d6380dd19798b9f0e5285c9d63a3046dcc0c8052d71b7ab9c9b9bb42034
3. 0x049ca91e964ad774b104c0bf9a056574ef68a7c1dcb931853e56947b8799652f
4. 0x957aabcd3018fb39754680234a979b2f016555f7bda905ba0c0e4d90c7120178
5. 0x1e7ec831365eed479448e96f73f831adef6e70644af5fde03d5454cdae0f69a3
6. 0xc13d567f3a71ace66cc92e5bd86f26bbea84d820d1a484b01559164495bc07e1
7. 0xcea96670958ccce76d6f6e1dac52818eae6d58bbab92f856d1c649aae3d8c07a
8. 0xbb3774ac46b1c01a5ede876228d06a5e0661d084fd876885ce143eca49fc8c18
9. 0x4ef9ad6b5754a754262bf161b6f492b72113e91297368ae0a52bcdf1e93a323e
10. 0x6e725499a2cd58d025608a3dd7adccd2431ec8d62d6f9774c9041656a5db454b
11. 0x910f613e3a8272fcb6dfb1a6ed01581083d03cccc51c55d9c01e6b287191ce77
12. 0x52737064c82b362c31548eef60a752b6fe11c86bfe2932cb19725ce08f688ed7
13. 0x513d275f726a7e76afc5d1c5ea455e84ec639b5765f0d561d290fbac6c078a4f
14. 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af