Evidence row 55171

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://hn.genexxis.com/item"
    ]
  ],
  "name": "hn.genexxis.com/item",
  "owner_address": "0x9287e3102d411029025c7617d75245bfc7920f17",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x9287e3102D411029025C7617d75245BFc7920f17",
        "scheme": "exact"
      }
    ],
    "description": "One Hacker News story (or comment) by id with up to 30 top-level comments: author, time, plain text up to 500 characters and reply count.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "id": "8863"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "comments": [
                {
                  "author": "BrandonM",
                  "created": "2007-04-05T15:16:54.000Z",
                  "id": 9224,
                  "points": null,
                  "replies": 4,
                  "text": "I have a few qualms with this app..."
                }
              ],
              "count": 15,
              "item": {
                "author": "dhouston",
                "comments": 71,
                "created": "2007-04-04T19:16:40.000Z",
                "domain": "getdropbox.com",
                "hnUrl": "https://news.ycombinator.com/item?id=8863",
                "id": 8863,
                "points": 104,
                "title": "My YC app: Dropbox - Throw away your USB drive",
                "type": "story",
                "url": "http://www.getdropbox.com/u/2/screencast.html"
              },
              "topLevelComments": 15
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "id": {
                      "description": "Numeric Hacker News item id",
                      "type": "string"
                    },
                    "maxComments": {
                      "description": "1-30, default 30",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-26T10:29:08.91Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T10:29:08.421Z"
    },
    "resource": "https://hn.genexxis.com/item",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "One Hacker News story (or comment) by id with up to 30 top-level comments: author, time, plain text up to 500 characters and reply count."
}

What the leaf hashes

{"body":"9cd6ef1cf69341134e9f3d42d365e5fbfcd8d65fc5dd8b0e720543c152dfbed3","id":55171,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025434580873,"prev":null,"subject":"x402_bazaar:https://hn.genexxis.com/item","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xa6850be1d2509edb7f15bb09e25656a9ff4a35e5df40d16da9cd05c31c5e519c
2. 0x6c1121ec09e074cd7aefc41934b49dd8cb4e195a88d9055c79e68b3c46e84971
3. 0x6e8b010ffa1072bc2238111ee37b34b867c00599d3f3f83c2769e6415789d624
4. 0xed6980676c6920150c61f8f1294a3b4aca02caf7b50c431745cc90ec8ec0767b
5. 0xad53fe8c24dc73b8218ee517435248b7ff6b5cf1fa5af84c43357f0690712816
6. 0x021e8bd60e6927dbd57c348eddf438994d14fa1bb04810ca414abf62a7488b5e
7. 0x80d77172fe6cdabdc64eeb9668113c760e73506ad1c97a044828eb17280de9cf
8. 0xdbecb86ecc49c01babd30cc29cc764a3401a457268d7701c420688ab6ceec35a
9. 0x5b2a94981be99694b17f2109dcd3a26a6206d22810a82d1669671ea3ac86b58a
10. 0x8898ab8e9245665c91957f93ced1d4675156754992f0651eb80aa5869ec8fd1b
11. 0xf9b4ada16aca6f9b63c09b94519008e1b94357a9d352c245023758b56b82d0b1
12. 0x1e464fcb484a1e782f9fe44be5118a9de934eb533c96ba10fc7d20e3a3e4711c
13. 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae