Evidence row 1819871

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6bXdOW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/41f9412e-4781-47d4-b089-35e1966e0abc/.well-known/agent-card.json"
    ]
  ],
  "name": "Vubik",
  "owner_address": "0x6a6fb6fe51d947d7574a50da3ab3b0d942500e29",
  "raw": {
    "agent_id": "22453",
    "agent_uri": "https://centralcity.ai/a/6bXdOW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vubik 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/6bXdOW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vubik",
      "registrations": [
        {
          "agentId": 22453,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/41f9412e-4781-47d4-b089-35e1966e0abc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6bXdOW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563282,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:06:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vubik 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/6bXdOW"
}

What the leaf hashes

{"body":"e0940c3431d4bd5f8ff1305df8702eeda2719147fb51f44e124cc8b95dde7099","id":1819871,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563606350397,"prev":null,"subject":"erc8004:5042:22453","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xf5518143f1b53299a19c698ae708a95e33dd05ed2d9e788dafea891e661eb6c3
2. 0x0faeea12125007ab131cd6425d9c13d4e54ef588d4fc6d6d6c57f4670c27a201
3. 0xac863bddbe676a4e9a722733fa90bf9c0872f6ab3b8d52fcae7551a84f2ac3c9
4. 0x127baceaa944f410f52f36e539176689b76b5d8e3e4a89db3b80bf92aba186b3
5. 0x8069c5a542b564b3def0b47173a47a17686889ba769f7652a24f24fded66ea2b
6. 0xfc93158e5124125e2425bdf86aebb19c8daeea58ebaa9bd55e294158330d1370
7. 0x80e287f5bd65841586170b55be0e591608acc6c78656ad39b2f3aab2d1a16c04
8. 0x70cd1f322ae90a228249f6d8a56ea10d48d6b4c0275b1de425779e50ae4c28c3
9. 0x3e92a8864f32109ec7888817d14d2d062fff8883c5f8e554114e4d521af5d352
10. 0xf9fd5f7830121e38e9595e993505b1f0132380581b8d0407272f4945ee8d4bb7
11. 0xe1d2c367f3470edc4724fd7d806d51da451a66953be22520d4c4ab330cc650cc
12. 0x1278391fa22e576ce5c6362c943edc1a68b9a92ac18bff7789f8a082a7b194c5
13. 0x0c23c9192bfe154b4061fe80d841228e518702b191bcc9803922e60782f4706b
14. 0x9b4eda8f413d128915df51c98c771c8ee622b35a4252b9c2a803dd51ad66d4c8
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90