addrbookFor publishers
← The evidence ledger

Evidence row 2201473

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://party-event-calc.x402tookit.com/pizza-order
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5279f4516ebcc28fe6b837a2ed7239a6ddbdf761bdc79ac13f85ab5cbca0900c
Leaf
0xfd0218b555f442c89b35c55749b5ac7fc3ad659218a3eeea658bef5c77fa65e0

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://party-event-calc.x402tookit.com/pizza-order"
    ]
  ],
  "name": "Party & Event Planner",
  "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": "How many pizzas to order from guests, kids and slices each, with pizza area, area per guest and a size comparison.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "guests": 30,
              "kids": 10
            },
            "type": "http"
          },
          "output": {
            "example": {
              "areaPerGuestSqIn": 67.02,
              "areaPerPizzaSqIn": 201.06,
              "areaPerSliceSqIn": 25.13,
              "areaRatioToCompare": 1.778,
              "asOf": "2026-10-12T01:45:05.303Z",
              "compareDiameterIn": 12,
              "comparePizzasForSameArea": 18,
              "degraded": false,
              "diameterIn": 16,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "guests": 30,
              "kids": 10,
              "notChecked": [
                "dietary needs (vegetarian, gluten-free), toppings split and sides",
                "that thick crusts and deep dish feed fewer people per inch",
                "…1 more"
              ],
              "pizzasToOrder": 10,
              "reasons": [
                "Slices = adults x 3 + children x 2, plus 0% extra, divided by 8 per pizza and rounded up.",
                "A pizza's area grows with the square of its diameter, so one 16 inch pizza is about 1.78 times a 12 inch one."
              ],
              "slicesNeeded": 80,
              "slicesPerPizza": 8,
              "source": "computed locally (pizza area = pi x radius squared; slices per guest are inputs)",
              "spareSlices": 0,
              "summary": "10 pizza(s) of 16 in (8 slices each) for 80 slices; 67 sq in per guest. The same area in 12 in pizzas takes 18.",
              "totalAreaOrderedSqIn": 2010.6,
              "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": {
                    "compareDiameterIn": {
                      "description": "A second size to compare by area (default 12)",
                      "type": "number"
                    },
                    "diameterIn": {
                      "description": "Pizza diameter in inches, 6 to 36 (default 16)",
                      "type": "number"
                    },
                    "extraPercent": {
                      "description": "Extra to order on top, 0 to 100 (default 0)",
                      "type": "number"
                    },
                    "guests": {
                      "description": "Total guests including children (1 to 5000)",
                      "type": "number"
                    },
                    "kids": {
                      "description": "How many of the guests are children (default 0)",
                      "type": "number"
                    },
                    "pricePerPizza": {
                      "description": "Price per pizza in dollars, to total the cost",
                      "type": "number"
                    },
                    "slicesPerAdult": {
                      "description": "Slices per adult (default 3)",
                      "type": "number"
                    },
                    "slicesPerChild": {
                      "description": "Slices per child (default 2)",
                      "type": "number"
                    },
                    "slicesPerPizza": {
                      "description": "Slices cut per pizza, 2 to 24 (default 8)",
                      "type": "number"
                    }
                  },
                  "required": [
                    "guests"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "areaPerGuestSqIn": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "areaPerPizzaSqIn": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "areaPerSliceSqIn": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "areaRatioToCompare": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "compareDiameterIn": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "comparePizzasForSameArea": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "diameterIn": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "guests": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "kids": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "pizzasToOrder": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "slicesNeeded": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "slicesPerPizza": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "spareSlices": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "totalAreaOrderedSqIn": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T23:43:18.345Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T23:43:18.161Z"
    },
    "resource": "https://party-event-calc.x402tookit.com/pizza-order",
    "serviceName": "Party & Event Planner",
    "tags": [
      "pizza",
      "party",
      "catering",
      "area"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "How many pizzas to order from guests, kids and slices each, with pizza area, area per guest and a size comparison."
}

What the leaf hashes

{"body":"5279f4516ebcc28fe6b837a2ed7239a6ddbdf761bdc79ac13f85ab5cbca0900c","id":2201473,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805644940,"prev":null,"subject":"x402_bazaar:https://party-event-calc.x402tookit.com/pizza-order","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. 0xfd020e164c7199fe38213d0c8efb549e37c26e656859f095b6ff725a471ac981
  2. 0xe4bbfb5b227d2bc3841be8f6405a0ff3c883000a499742e9292af17d1b224dc8
  3. 0x29d8a43351c00ab53e6e2fbec0ffbe63b172094d76ba76431231c5e5683aa6f3
  4. 0x9adcdee4946d554d3b60b346241b3f20ca9a3e441a47d1f427cb2167bf9dbac0
  5. 0xd66cb56db5e98c41ed3d63749c9d3b23e8e75c0293423b87fd76ae4dff3aea62
  6. 0xd69f8e7df2583a824cd00a5fb8b7f9633551894c371dcc5ceb7870c7fd3d5f85
  7. 0x8fb11a3db5bbb6c034ae79351d32e39ecd31f0657e0aa5af2fa4de5f4dec1592
  8. 0x2aeb37b1c04268866b87bc8a27560dda09435d30d2d99c84e85c01e0234ce2f5
  9. 0xefc30247d8b2b87e9f959237f789d4f7865dbcab3fbc5386455ccc0f6611b7c7
  10. 0x55a6ff831eb693cb81f66851f60952ba404f77d41493ec817b8f88a27154ad25
  11. 0x28dbc66fa9796ab88c24fbdaa8aa00dcd2ff8a04bbe40e244548ef8d0d3352cf
  12. 0xcf45699f12ed321cb81bb3f661993b9473cc0dc579d286e42718f66c86cf11cb
  13. 0x2612b2a6ca482d4e1e568f2a6d1980f6401f76dd9a2480fd196bb762b9e1c71c
  14. 0x59ed3c823c7507ae1b2993d19eda543383739dde961b25c4e0927023fff6be12
  15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
  16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
  17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON