Evidence row 2192596

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BaBOam"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d31b09bb-1ff6-4895-95d7-0188f1636a82/.well-known/agent-card.json"
    ]
  ],
  "name": "Pianus",
  "owner_address": "0x39425bdf5d19fa55156b2b0efd06f4e96dc1f925",
  "raw": {
    "agent_id": "121992",
    "agent_uri": "https://centralcity.ai/a/BaBOam",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Pianus 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/BaBOam",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Pianus",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d31b09bb-1ff6-4895-95d7-0188f1636a82/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BaBOam",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:36:53Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Pianus 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/BaBOam"
}

What the leaf hashes

{"body":"a5bb0b5695fad652950449b1d0d16890dda936dca7a7c2d55fd56be4f9485ca3","id":2192596,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644613565742,"prev":null,"subject":"erc8004:5042:121992","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. 0xc53e39951cfc031b668d594eebcf42346f6e6ebea7de5739aa725bd46b46e1be
2. 0xc24f4955d7dad72d028645ac01d2bd9cc3b238f2dbaa141caefe861eeb83c261
3. 0xae58b7c08d55184c27973613c8ffb69971e9ff3aa15fc194e25b86064f77adf5
4. 0xd578f16e35c73cafff46970e791b1a84112de293e7cde6f72a03eb41e70a6a07
5. 0x05a3846e6a15b0347a37480bff5ccd6b96a2b7c548d85511c8800ae407d34e33
6. 0xcab9a869f8abc41f32e1d12910cff06d603343986a66f1cf6d35d2faca761178
7. 0x5e1b4d1ac5a21495471c6689e73727c2d06bb37a3615767af088b6f3cc144afb
8. 0xb92b269e2b00c4dcf57f2fe37fb9b2976374a8f5199be202780eb641942ee026
9. 0x092f785e02ec13db8e225c21f17bbee075b84ef1c8d7a38ef758488f8f5b8547
10. 0xa688d2dc9e2b296fcb5a6d5b1ab46f6f41503b93ac47f63f3f31ed2021be895a
11. 0x842f383cbb44caf166d2b21caf5381c244aa3e938a540c1b81d2052f2e5f8850
12. 0x7aa0065f9bcb7fcade26c7f3b9489f82eec110abf81d620f345f0a889dc13028
13. 0x61ee210f299fdcda2ea75817592c9621ccbd35e0e4358cb705a10dd284df07af
14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af