addrbookFor publishers
← The evidence ledger

Evidence row 2202069

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://cooking-calc.x402tookit.com/bakers-percentages
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b70663a0cbc0559169e53ce175e9fc21d2c0b20eecd63116720eb8847b814428
Leaf
0x54d68ff547319f3a4733d7dd06c0c6bdc0cf13519325d1b939ece87710435469

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cooking-calc.x402tookit.com/bakers-percentages"
    ]
  ],
  "name": "Cooking Calculators",
  "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": "Baker's percentages and hydration from a gram formula, counting sourdough starter, with scaling to a flour or dough weight.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "formula": "bread flour:500; water:350; salt:10; starter:100",
              "starterHydrationPct": 100
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T14:26:07.951Z",
              "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.",
              "ingredients": [
                {
                  "grams": 500,
                  "ingredient": "bread flour",
                  "percentOfTotalFlour": 90.91
                },
                {
                  "grams": 350,
                  "ingredient": "water",
                  "percentOfTotalFlour": 63.64
                }
              ],
              "notChecked": [
                "ingredients not recognised as flour: only names containing flour, semolina, rye, spelt, durum or whole wheat count as flour",
                "water inside milk, eggs, honey or butter: hydration counts only ingredients named water or ice, plus the water in a starter",
                "…1 more"
              ],
              "overallHydrationPercent": 72.73,
              "prefermentedFlourPercent": 9.09,
              "reasons": [
                "Baker's percentage = ingredient weight / total flour weight x 100, so flour is 100%.",
                "The starter's own flour and water are split out using its hydration and counted in the totals."
              ],
              "saltPercent": 1.82,
              "scaleFactor": 1,
              "source": "computed locally",
              "starterFlourG": 50,
              "starterG": 100,
              "starterHydrationPercent": 100,
              "starterPercentOfTotalFlour": 18.18,
              "starterWaterG": 50,
              "summary": "Total flour 550 g (including the flour in the starter); overall hydration 72.7%; salt 1.82%.",
              "totalDoughG": 960,
              "totalFlourG": 550,
              "totalWaterG": 400,
              "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": {
                    "formula": {
                      "description": "Weights in grams as name:grams lines separated by semicolons, for example 'bread flour:900; whole wheat flour:100; water:750; salt:20; starter:200'",
                      "type": "string"
                    },
                    "starterHydrationPct": {
                      "description": "Water as % of flour in the starter, 30 to 300 (default 100)",
                      "type": "number"
                    },
                    "targetDoughG": {
                      "description": "Or scale to this total dough weight in grams",
                      "type": "number"
                    },
                    "targetFlourG": {
                      "description": "Scale the formula so total flour is this many grams",
                      "type": "number"
                    }
                  },
                  "required": [
                    "formula"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "ingredients": {
                      "items": {
                        "properties": {
                          "grams": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "ingredient": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "percentOfTotalFlour": {
                            "type": [
                              "null",
                              "number"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "overallHydrationPercent": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "prefermentedFlourPercent": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "saltPercent": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "scaleFactor": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "starterFlourG": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "starterG": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "starterHydrationPercent": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "starterPercentOfTotalFlour": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "starterWaterG": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "totalDoughG": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "totalFlourG": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "totalWaterG": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:44:10.256Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:44:10.072Z"
    },
    "resource": "https://cooking-calc.x402tookit.com/bakers-percentages",
    "serviceName": "Cooking Calculators",
    "tags": [
      "baking",
      "bakers-percentage",
      "bread",
      "hydration",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Baker's percentages and hydration from a gram formula, counting sourdough starter, with scaling to a flour or dough weight."
}

What the leaf hashes

{"body":"b70663a0cbc0559169e53ce175e9fc21d2c0b20eecd63116720eb8847b814428","id":2202069,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646812382100,"prev":null,"subject":"x402_bazaar:https://cooking-calc.x402tookit.com/bakers-percentages","subject_kind":"source_record"}

Proof

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

  1. 0x54d68491bd5e3e97aa46e436b5586d6c28b940c911829135527bf0e4e3aa2134
  2. 0x5e77b4518d4c9bbc3b752719ac5ff9758d396d905d8f234b9efe0028fa54756b
  3. 0x620822d9ad40bdd74a9b4bc2ea725b80e6bcde341ae9b8901c856f992df458ce
  4. 0x69ce9c705ac67e5c18b2f5d57b43a6e3ca196cec42b73c2e674bc5a25d9d9dbc
  5. 0x4bfde2d825c82fd0f22398230d05943ce5876a494c1a9bc59606aa0dde10d346
  6. 0xfe959e3bde74d82638a3f72a470f83ac60d045ff121cff4b154ec2c62ff5d092
  7. 0x48db2672899cb89ed403b1fbfca7f785954263440f77856e407fa1cbc41cf261
  8. 0x6a77d547653ac7a0b16e52c1fe1a64e93037986e788c4e8cc6fd9240db3f0d63
  9. 0x81203decfba6800dd44283acf619241800decf80bc8ecb9562fff7ed83be02fa
  10. 0x56e07c5011227f2b50e8f2a8a5cb818b8a83fbd51a1dbcf80118651dec5ef65f
  11. 0xf3cd94f829d8d343f78240d80808226fff270a41c5afb229618eef720c5aeb09
  12. 0x60fa0410e92b55107aa67b0dc49b0a16f4a6d03a6b806a712da9290629167b04
  13. 0xb5b32de12fac3b68a23088b6007f1052bd84011d7da80663c8664b4a4c7bcebf
  14. 0xc73349c9955998a166e6e5920ac8ee0aa7bc6c9d66bace60f6dbd465dd9e0530
  15. 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
  16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON