Evidence row 2202036

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://craft-calc.x402tookit.com/hst-size"
    ]
  ],
  "name": "Craft & Maker Calc",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Cut size of squares for half-square triangles (two-at-a-time or four-at-a-time) from the finished size, in eighths.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "finishedInches": 3,
              "method": "two",
              "unitsNeeded": 40
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T01:13:47.840Z",
              "cutSquareInches": 3.875,
              "cutSquareNearestEighth": "3 7/8",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "finishedInches": 3,
              "hstPerPairOfSquares": 2,
              "method": "two",
              "notChecked": [
                "trimming down after sewing (many quilters cut 1/4 in oversize and trim)",
                "directional fabric",
                "…1 more"
              ],
              "pairsOfSquares": 20,
              "reasons": [
                "Two-at-a-time: finished size + 7/8 in. Sew 1/4 in each side of the diagonal, cut apart, giving 2 HSTs that square up to finished + 1/2 in."
              ],
              "seamAllowanceAddedInches": 0.875,
              "source": "computed locally (seam-allowance arithmetic)",
              "squaresToCut": 40,
              "summary": "Cut 3 7/8 in squares (two-at-a-time) for 3 in finished HSTs: 40 squares for 40 units.",
              "unfinishedHstInches": 3.5,
              "unfinishedHstNearestEighth": "3 1/2",
              "verdict": "COMPUTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "finishedInches": {
                      "description": "Finished size of one HST in the quilt, in inches",
                      "type": "number"
                    },
                    "method": {
                      "description": "two (default; each pair of squares makes 2 HSTs) or four (each pair makes 4 HSTs)",
                      "type": "string"
                    },
                    "unitsNeeded": {
                      "description": "How many HSTs you need, to count the squares",
                      "type": "integer"
                    }
                  },
                  "required": [
                    "finishedInches"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "cutSquareInches": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "cutSquareNearestEighth": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "finishedInches": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "hstPerPairOfSquares": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "method": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "pairsOfSquares": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "seamAllowanceAddedInches": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "squaresToCut": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "unfinishedHstInches": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "unfinishedHstNearestEighth": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:45:49.408Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:45:49.157Z"
    },
    "resource": "https://craft-calc.x402tookit.com/hst-size",
    "serviceName": "Craft & Maker Calc",
    "tags": [
      "quilting",
      "half-square-triangle",
      "cutting",
      "patchwork"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cut size of squares for half-square triangles (two-at-a-time or four-at-a-time) from the finished size, in eighths."
}

What the leaf hashes

{"body":"6efdf1f1fcf3e57075da1275d2d731e60d783221eb7a7942a80ee3c282e9f500","id":2202036,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811437423,"prev":null,"subject":"x402_bazaar:https://craft-calc.x402tookit.com/hst-size","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x3cebd7df396dbac9463a42b7d4f87feaaa0e48c2d73580272cc92cc2fdfbf89a
2. 0x784c60dff32c437ac970a18b5bdc37897f312fe220735e1ddc76c25a11ad0e93
3. 0x05c6dc05d3a842d91e518fbf66855cfb33d1c34ca711e5e4e43caef244e5238c
4. 0x71f1fef3e84955126352d2af59fa217ea46a62b8836500c9e00aa02eba9acb69
5. 0x9550b521fdfefc99b73f17366dd9b12de04a973bc6b13a4848f1b541df66235d
6. 0x6f566bdc3d1fe3ed1eb5b722d3852442df78a9dfc01b1f584d0c78fbbd8653dc
7. 0x8c037687484845e89bcf4d164394aef81e957d9cae87ce39fe6de5c49b284f67
8. 0xd58b06ff28e7167c71b460c334b954a19c57036a48a6d20c8f2ce39aeb064430
9. 0xe7fc2c051b1e6a9c08e32c446995f46deea4166d45efef52e01248018f9904cb
10. 0x0dc50bf438bd21300d281be30d192dcf720cdd7e5762e66499b4bfdd2be20396
11. 0x594a62aefb46bb850fc4670add4c3d9510ccbbb7516910e86690053885b3ec76
12. 0xbac6cdbbc8a23e8233870d7aae1d614c0c1fe809d0e40a72ec73dff09341aa56
13. 0x507a2180313be0729754aef4a9f5ae0f5f1b96b322bfe83831a668afc9bd9d5e
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af