Evidence row 2201355

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://shipping-calc.x402tookit.com/box-packing"
    ]
  ],
  "name": "Shipping & Logistics 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": "How many identical boxes fit inside a larger box or crate: best of six orientations in a simple grid, with utilization.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "itemHeight": 3,
              "itemLength": 5,
              "itemWidth": 4,
              "outerHeight": 12,
              "outerLength": 24,
              "outerWidth": 18,
              "unit": "in"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T23:32:55.403Z",
              "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.",
              "fits": 72,
              "gridAlongLengthWidthHeight": [
                4,
                6
              ],
              "itemOrientation": [
                5,
                3
              ],
              "notChecked": [
                "mixed-orientation or staggered layouts that can fit more",
                "wall thickness, padding, dunnage or void fill",
                "…2 more"
              ],
              "reasons": [
                "Best orientation lays the item as 5 x 3 x 4 in.",
                "Volume upper bound is 86 items; a skilled packer might approach it, a grid will not always."
              ],
              "source": "computed locally (orientation search)",
              "summary": "72 item(s) fit (4 x 6 x 3 grid) at 83.3% of the volume.",
              "unit": "in",
              "verdict": "FITS",
              "volumeUpperBound": 86,
              "volumeUtilizationPercent": 83.33
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "itemHeight": {
                      "description": "Height of one item",
                      "type": "number"
                    },
                    "itemLength": {
                      "description": "Length of one item or carton",
                      "type": "number"
                    },
                    "itemWidth": {
                      "description": "Width of one item",
                      "type": "number"
                    },
                    "outerHeight": {
                      "description": "Inside height",
                      "type": "number"
                    },
                    "outerLength": {
                      "description": "Inside length of the larger box, crate or container",
                      "type": "number"
                    },
                    "outerWidth": {
                      "description": "Inside width",
                      "type": "number"
                    },
                    "unit": {
                      "description": "in (default), cm or m; both boxes use the same unit",
                      "type": "string"
                    },
                    "upright": {
                      "description": "true to keep the item height vertical, allowing only a spin (default false)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "outerLength",
                    "outerWidth",
                    "outerHeight",
                    "itemLength",
                    "itemWidth",
                    "itemHeight"
                  ],
                  "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"
                      ]
                    },
                    "fits": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "gridAlongLengthWidthHeight": {
                      "items": {
                        "type": "number"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "itemOrientation": {
                      "items": {
                        "type": "number"
                      },
                      "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"
                      ]
                    },
                    "unit": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "volumeUpperBound": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "volumeUtilizationPercent": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:05:14.608Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:05:14.318Z"
    },
    "resource": "https://shipping-calc.x402tookit.com/box-packing",
    "serviceName": "Shipping & Logistics Calc",
    "tags": [
      "packing",
      "carton",
      "fit",
      "shipping"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "How many identical boxes fit inside a larger box or crate: best of six orientations in a simple grid, with utilization."
}

What the leaf hashes

{"body":"ed75f3880d65805a7f09fbd34bc3ec1aa0a742cb903fde92d7b245257be0f1e6","id":2201355,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646804626902,"prev":null,"subject":"x402_bazaar:https://shipping-calc.x402tookit.com/box-packing","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. 0x8aea8fb888581eddfc8b6644ddb5b02717360b1698d264d3885fdd6495bdad53
2. 0xdae6abb4cc60f8234c9b0fa64e6cbc2b5ba2e6535934e03e078ce1744152df49
3. 0xc4be137b146ca1c667451df0ed8b7946567b6820b93ac85b23037d910d86d7d5
4. 0x60729d0cc88d1f4017a157165aa52bc7156b86fd274cf28134af7b770ef90921
5. 0x3034b57e43953d2e523b96ae0db3d3eb3493af248049a69482c2aea300d16d61
6. 0x2e680da6dcb568f66ec6052f466ef078ac0f175222f6abf857a46c7b1c082572
7. 0x3d848cd6b20238fd08a06a12dac16fb9b14111b4681a44900bf30abf144c26f1
8. 0x6b8613ec4f4d8a26b425deff51cda7807298044ad2ec503cf1498cbb1c14a765
9. 0x826b2b993e14e17ea0c1e6d9ee4095a67574344341c50194f1699524a5fcdb48
10. 0x53d173dd8820ecee5ea7c33aa34e4c62a1f14f3941a19966779cabab551ece8d
11. 0x1b89b6fcdaee177466befaa588d04885f90c23db202576960672c832345ecfa1
12. 0x5e19b65c9dca303d18d3307f340e866c83a5cd5294e32913f90d6115847dd766
13. 0x5d871bfcf034460b25418e4174693de4c0943330f7c1beda840614a4c45cc42c
14. 0xf38c9617f655dc8f7c8fa11461cb30752d581a6bbb15051130839452c80c4270
15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af