Evidence row 426538

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": "2026-10-27T01:33:40.072Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T01:33:39.555Z"
    },
    "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":"fff8209d8ea4cc8bf14d8524b54b4f8c9a361ec0a1a82396d3ded85c022a2e95","id":426538,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793086261786890,"prev":408813,"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 2026-10-27 (273461 rows).

1. 0x45f373a342230eca620d44ec5c1c4341fd6905daeaf6db071ed47da1f24e846d
2. 0x3fe3135f368a286c49facc2691f814e950e5505230c6bb961da122f844478719
3. 0x5b47669f4c402522832581207f242b7e9c096e35c07e30e5087356ef339e8fae
4. 0xab3372ff2d588af5cb6c77cf9c9d9edd46300f047ca45b909689545f4c200562
5. 0x4e238468aec0ae88c0cacc136faaff7b1103d10ebab022155d0d705f37c920d3
6. 0xf0a27d3cf78e6b0d7d2866542c4e37f5539ad68d3e9a761a6922a92da8c99eaa
7. 0x5e2f1b3c0f3e16089525debb1e04d053949ca715eac05dbf0b819bf9f700ce51
8. 0x488d07863af22095f5babf26691622ad40c985ed6bdfbc06328e7c38d7fb096f
9. 0x5532a6615f86e719b3179a60b31f64f1a572faa59bbb96b8162c98a5de3cbbcc
10. 0x5bfbe7ccdb4fc096a0e333ae82fe6e5aeba69315084d2a7593944eedb3a5b127
11. 0xb0aa948b8f1ffa99da7b7b4fecd9b7d539930ac590588a6deea36813f55a0423
12. 0x92473b1fa79263164c4ce7d79f93b1dc8a85f63587b51a81433d1ad19b285a90
13. 0x836e1796750a28d286ffaa8d273d250fe348c563336bf2d30cfaf1001d95f677
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4