Evidence row 1772227

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ygr85I"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/70992667-d446-4f3a-aa29-29b83cf595d6/.well-known/agent-card.json"
    ]
  ],
  "name": "Viossabik",
  "owner_address": "0x4dee4af9334505821754f8d0c9b12f643b9ae026",
  "raw": {
    "agent_id": "8155",
    "agent_uri": "https://centralcity.ai/a/ygr85I",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Viossabik 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/ygr85I",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Viossabik",
      "registrations": [
        {
          "agentId": 8155,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/70992667-d446-4f3a-aa29-29b83cf595d6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ygr85I",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793548131,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:53:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Viossabik 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/ygr85I"
}

What the leaf hashes

{"body":"ea45b8db74b5bc151b885317c9236dd85fd580465b4a8bfd56ac9ab7ede3ffdc","id":1772227,"kind":"listing","method":"sync.erc8004/1","observed_us":1793548400725143,"prev":null,"subject":"erc8004:5042:8155","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. 0x8ef74ad871a79b6b2cbeb474f1b485bb7d72fdea5e50aa530a922a3c00fd84f2
2. 0x67d50ef09ecdd817b4ed06c3a7c6f2d237e7b3d7fa83f01cacf6533cd21affea
3. 0xe46d4a07862d0326b066c9ccccb7e53abd25e90c53dab96064ad7a6876c52939
4. 0x4f56e3694768d3fefda47f2288a2394e422002f325819d1d7c8b65ba9721df4f
5. 0x0fd0e39daa3ecda9f095b7fc7859df11a7ff56a82b25a527c4c09aa2cecc96d6
6. 0x9e0b8da2874eb6de9e4ce0d2d8b26fdd4e78b7df1b6bb017b3363a8d7d5449d9
7. 0xbe1a3accec6145c57067f07232398e1cc9f7304b4339222f297f6d3389885474
8. 0xbecad0638e07d7945c7f4839e48f230a129d3f272f608b07519fbc740acef61b
9. 0x9eeb171cf33b44a3750810652e4880f6b89a8dfdfd1695885c1dcfd22cf2aee9
10. 0xf8bb51e4608828961749077d9d42ca81d8cd448d8cb443df1abd4ba66020a6ab
11. 0xd4e6d2a5d588554f8c9aa5b924a8860189507f70b39346c868d4e03c702ff5bd
12. 0x975ddd222bead9708a1d5eb602535d44e806cc898a062f63445bcd5475b18160
13. 0x592c6bf7478ece75e30eaddee3c7949403bcafb35d8489fe5310c10667a2df24
14. 0x43a0d126875c656347b68ba3c0196959406aa8df8a7cd284fd2814ddd386322c
15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90