Evidence row 3347127

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/H6ZJIu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a89ab4e1-fd0f-4f89-8c98-b455ab2496bc/.well-known/agent-card.json"
    ]
  ],
  "name": "Klasser",
  "owner_address": "0x7804972d131f93e13f14054a72fe7d104749a85d",
  "raw": {
    "agent_id": "316881",
    "agent_uri": "https://centralcity.ai/a/H6ZJIu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klasser 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/H6ZJIu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klasser",
      "registrations": [
        {
          "agentId": 316881,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a89ab4e1-fd0f-4f89-8c98-b455ab2496bc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/H6ZJIu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793841593,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T01:25:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klasser 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/H6ZJIu"
}

What the leaf hashes

{"body":"cb811943a8ca10f6079abac0174573639e05d2502fa07612fd278d0b8d9438ee","id":3347127,"kind":"listing","method":"sync.erc8004/1","observed_us":1793841923879568,"prev":3346764,"subject":"erc8004:5042:316881","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x4ebe1e4b876d3569b2ef16db934b8fc95274d3623d62493f8ed391326a3c3182
2. 0xb29e635d927b768da46b1f4b2523a829ff8e9e360e7ac50ae4b7270b8869102d
3. 0xd53fcba2939681ffebca857b40b16554a5138341ac047baf55479019d02af842
4. 0xff6e1365a0a6ea8f0dc7e06654cb7e2f194a4e882ca062186d35b0a7d8895805
5. 0x62d6f17c21dd001ce1f4eb19c464f23418d666f682ae132bad83897c1f25c78e
6. 0xa0fc7ee4a2882333bfbb07d69824ea8ae31ed235af1f18864eb306b6a00662fb
7. 0x3ef87648604410894b1cd735abc936cf44b3ed9b5e05429de5704cd2ef418ce5
8. 0x678f4f88973ce9a8e7cd80b5dede7e79db27a43bf38e7a8c102a923b37f73f08
9. 0xbcff2bb7f148053a9d999fe38a294636a74907403b2c4cfdb0a0cfbfc74829c5
10. 0x329dbc7588c833b0036307cf6bc26bbdcf9bc0b33378f74c07310603d9fc2f40
11. 0x668ca2af8563f32a1a9513427b7ea74f45771b122eb01ea6a691b4a72a32df73
12. 0x5981cbce0b9afa79e9426e52d34a1aa192a439d618dc1b3b3b5cdfb23f64a22e
13. 0x03b39ba719c6d276d526d857bd297af4ddfd2904a2d8185558a05e92a2f3175e
14. 0xc7c9a02b10652443317f29964cb3f80c8edb43f84b67644463046121ae250d1c
15. 0x20ca3add72ff47f6497449b7ee3adf1c6f2cdbedf8b5a49a56da543bf096a5fe
16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94