Evidence row 2142067

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/cnhtRD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c5d9482e-7892-4c62-b3bd-9e04dce37af4/.well-known/agent-card.json"
    ]
  ],
  "name": "Favisto",
  "owner_address": "0xc52e20a39b4ec4adf96618f34f934de12c49454d",
  "raw": {
    "agent_id": "97187",
    "agent_uri": "https://centralcity.ai/a/cnhtRD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Favisto 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/cnhtRD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Favisto",
      "registrations": [
        {
          "agentId": 97187,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c5d9482e-7892-4c62-b3bd-9e04dce37af4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/cnhtRD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793624996,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T13:15:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Favisto 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/cnhtRD"
}

What the leaf hashes

{"body":"df6a2fb6b0df9997e5f430c4338ecb4c6787b7ad27345fdacf56e6d7dba238a7","id":2142067,"kind":"listing","method":"sync.erc8004/1","observed_us":1793625309501224,"prev":null,"subject":"erc8004:5042:97187","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. 0xe7cf02afec2a6b5a21e20cdc09365f8f9f6287edf2b14dec924c8497e1b7f123
2. 0x997f4bbd7b2bf177c3f699f789a690ccf0687a570c739d5b5828986376afe08c
3. 0x6d62d21856cf4d0e9a0c27da669f14500f70aacbb9635908154c4804b0a972ec
4. 0x308be9cbf6b835baf36df2183a533128c44e8e388e9f5555f258a3d67438c764
5. 0xa0e704e0d018f28b5f805fdb0f46037b07b8e4200ad2058ed5033a7318bc11b6
6. 0x7d344c4d5b7985cdda99f58302a14fbff6df6502116bfa6ce1dc138f80c0c26c
7. 0x155cf5273834de6064591a4316fd4bbc18f047033cb4e48e4db8a66e58b5a1fe
8. 0xa37d5be3e8d3ca6b0e2ac4a3e504df7b6251138e8ab651d08dca80f76a1563ef
9. 0x4b7c742e347d7a69024f3bd86e4d83e80865eae749db5b42271b0f370dc8189b
10. 0x153be005ee6af49f9e78b0b3c0f6d99c08fc4dad4851384ddc3b35142ac1151d
11. 0x539b790d68c0b6a309b522634b35f80bf5a78c4a6477a411e00939a1c31f6a60
12. 0x841ad4eaef71169e03e95d2082a5c83db1b3a56a9753b17df04fe34aa579b749
13. 0x0418958fa118b0a6a70d8e336a1073213853f5a3502b9ffc66202cc82d3dd472
14. 0xf02baa2f8f9b385919b2f698b2e9351b84bd44118a8d5a72f2d1303df2c329b4
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af