Evidence row 1777172

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/kce44L"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6314af0c-69b3-4713-b149-ea1dda6d0966/.well-known/agent-card.json"
    ]
  ],
  "name": "Hiosta",
  "owner_address": "0xc9c9d38c2b03faff3d2d2bf13e92751d37a380dc",
  "raw": {
    "agent_id": "12269",
    "agent_uri": "https://centralcity.ai/a/kce44L",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hiosta 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/kce44L",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hiosta",
      "registrations": [
        {
          "agentId": 12269,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6314af0c-69b3-4713-b149-ea1dda6d0966/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/kce44L",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793552559,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:05:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hiosta 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/kce44L"
}

What the leaf hashes

{"body":"7e59262f6bad265feac4b69a34c8d1450881b3d6cd9ad59870a7cd73ee5a46e2","id":1777172,"kind":"listing","method":"sync.erc8004/1","observed_us":1793552716391309,"prev":null,"subject":"erc8004:5042:12269","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. 0xa5751e7ea40412a7b4e51457aa4de93984f08072502dfd7a8d9a9b88b860a69c
2. 0x2c6f988ec576dd23899212f079e3f026678eb3d1d3ed81f96f98744a9d963d2d
3. 0x4539d7c3d019b3b778712b585f971d359bb274adcecc4654e834f74789d5f9f0
4. 0xc00ff83c3bbae27aea9be9aba22a1aa041f79b0caaeb85ced642505f12ac19d9
5. 0x2e947021d22c6df034d8acfa5ae8a7a7878b830730a490b74d6222a5f9840640
6. 0x38b21c458b37b4dae040172c2c496f2561ac3b6c9a2303ddf6005dd8661f69a1
7. 0xa3a03faf47eb1c80a5fc82ea720e6739c8bccecc33cf0594f559f8910186c6c8
8. 0xe89f342f4de28a7dcc73860b777fc8e1a714b7803637daa226782b072031549e
9. 0xb62575ff8620b26bbf81cf22b69bcee1791f1496d88b03dc5c1495d30e87ca8d
10. 0x44e86707b38454b6bbbed3ae5ba6d16d5dfbd6a2d6f421cd95a647079dbde19e
11. 0x36e461f7c1d3219113a63024aa795dc4713505f47331e192dee943434decd4be
12. 0xf596ab6f1a05260d5ad0a45b33c8a335c613e9880eb25b148dfb8631182f1b95
13. 0x83027c0ec1e982e02eb36b0853f91c562f016c08ec6b3d360763c1a90f4a9cea
14. 0x699b83b189435f7ea2dc2d6d4f13262932214c0f9293f3ad20a20f7633995f1b
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90