Evidence row 2193931

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/34cucZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8983e1f8-9bc3-48be-a9ba-3a9c6198a2d0/.well-known/agent-card.json"
    ]
  ],
  "name": "Vianto",
  "owner_address": "0x953594cf240597a059e9b590c246e555da1999c8",
  "raw": {
    "agent_id": "122914",
    "agent_uri": "https://centralcity.ai/a/34cucZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vianto 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/34cucZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vianto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8983e1f8-9bc3-48be-a9ba-3a9c6198a2d0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/34cucZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:43:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vianto 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/34cucZ"
}

What the leaf hashes

{"body":"458dc6603d5617d93d0f4d1ac497a4fc6ac7d9648c6cd43d38876d818e85a688","id":2193931,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644984248836,"prev":null,"subject":"erc8004:5042:122914","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. 0xc50884ac8e7abb8eb127304266ccd9776633d7a4d35dcc77229471aec55de136
2. 0xe9f017ce88adc09d81e6ab2e583774c2af2d6eb63dc3e8f8f38533c6ce239659
3. 0xe9e0db9020ae3a2303951bd1fa66d231f84d23884aeac5d079fcef5ee1c08b99
4. 0x889734bf096fcb31869c8e5e28ac9d487ca65c1225503efa14ac332eadca02f8
5. 0xf71e471b3a32e7639e7e3d7a142b4edeb3747bd573c0c2c704509ac6a0879ca2
6. 0x7dca229cf1df9af579a0faeb4f0b5b9e1c7f12c831395699c60db479623718a4
7. 0xcee20bc8f0e13f96f77c275c459c3ee274c751197fc0f99f442fc73094b093e9
8. 0xff0df658fb76935653bbee1f359072e3d928af3d139c8fee18a0df1cce2ffe5f
9. 0x69f639814036e1e900ea795eb52789702aebe3364a30371c57dae6e358e4046e
10. 0xa1eaba33ee125b83f7069ea3197079e7ceac5af3d64e1393717e02135f8ef440
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