addrbookFor publishers
← The evidence ledger

Evidence row 2202065

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://cooking-calc.x402tookit.com/ingredient-density
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1c80f47899a7f7921c24a3469ade518e2ae61e432e89644520d142c7079a3e2f
Leaf
0x400d01e59543751e9897fc2ec6cee30a8c3aea07770eab0ddccd8174efc88ebb

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cooking-calc.x402tookit.com/ingredient-density"
    ]
  ],
  "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": "Approximate grams per cup, tablespoon and teaspoon for baking ingredients, with the published sources and spread.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "ingredient": "flour"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T14:26:09.001Z",
              "cupDefinition": "US customary cup, 236.588 mL",
              "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": [
                {
                  "confidence": "two_sources",
                  "gramsPerTablespoon": 7.8,
                  "gramsPerTeaspoon": 2.6,
                  "gramsPerUsCup": 125,
                  "highestSourceGramsPerCup": 136,
                  "ingredient": "all-purpose flour",
                  "lowestSourceGramsPerCup": 120,
                  "note": "Varies 10 to 20% with scooping; spooned-and-levelled is lighter than dipped.",
                  "sources": [
                    "King Arthur chart: 120 g/cup",
                    "USDA-based tables (secondary): 125 g/cup",
                    "…1 more"
                  ]
                }
              ],
              "notChecked": [
                "your brand and how you pack the cup: flour varies by 10 to 20% between scooped and spooned",
                "foods not in the table",
                "…1 more"
              ],
              "reasons": [
                "All values are approximate. 'two_sources' means two published sources agree within about 10 to 15%; 'single_source' means one."
              ],
              "source": "computed locally",
              "summary": "all-purpose flour: about 125 g per US cup (sources range 120 to 136).",
              "verdict": "DENSITY_LISTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "ingredient": {
                      "description": "One ingredient (flour, sugar, butter, honey, milk, water, oil, rice, cocoa, oats, salt, cornstarch, maple syrup); omit for all",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "cupDefinition": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "ingredients": {
                      "items": {
                        "properties": {
                          "confidence": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "gramsPerTablespoon": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "gramsPerTeaspoon": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "gramsPerUsCup": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "highestSourceGramsPerCup": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "ingredient": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "lowestSourceGramsPerCup": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "note": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "sources": {
                            "items": {
                              "type": "string"
                            },
                            "type": [
                              "array",
                              "null"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:44:22.41Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:44:22.25Z"
    },
    "resource": "https://cooking-calc.x402tookit.com/ingredient-density",
    "serviceName": "Cooking Calculators",
    "tags": [
      "cooking",
      "baking",
      "density",
      "ingredients",
      "reference"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Approximate grams per cup, tablespoon and teaspoon for baking ingredients, with the published sources and spread."
}

What the leaf hashes

{"body":"1c80f47899a7f7921c24a3469ade518e2ae61e432e89644520d142c7079a3e2f","id":2202065,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646812369216,"prev":null,"subject":"x402_bazaar:https://cooking-calc.x402tookit.com/ingredient-density","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. 0x400ce8c77efcf3299449d89ba40a7ad79e33d46a2b0c66e308b83843ca260320
  2. 0x67b4504b733c94a9713d2b999189807b4abfd63c6b694569d1bb0d4bca4de131
  3. 0x1a32ae43c35446159f9ab0123511e1e5bfd510386ab6b2801bef275a5fadbac6
  4. 0x063e41fba72c7a9ebeefda27b3573e8546135042a285e7d5794b8a628b77a32d
  5. 0xd51b9299b29ecb0de964271d09e5ee5cbce5cdc39c69a09778d22acf3644284c
  6. 0x008bc2839ebc5d99c6d0f7eb30fd79fbcd81bbb277c7401bac808b96cd0f3e80
  7. 0xcaebbe337f387ffd35e2263679e74f18f76f94648cb0b67166f14cf00019220e
  8. 0x958a4d6a605a2dc156aa6d9c55a2d83740c462d2fe7be4994e40e3a236aceec2
  9. 0xae8e17866f2171a59ecd62ce6995a862bf6a8f672859cfb3b4b46b12a6fc7f4e
  10. 0x25bc1500526fdd08538435f4b2b6ce4383e9d0ad1fda9be1146104246ca62764
  11. 0x0d14ef51bcadc56e6732ab07b2ba69e4a2427bf4d83f4d4546571fff994d980a
  12. 0x68e43cd8c3974680608754c4f2fcde66bfda1af2a2aeb32ec2d69634438483c7
  13. 0x1a30e008133011de2f6376e0b8ac235c7b5fd254513a57eac575300e54ac3544
  14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
  15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
  16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
  17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON