Evidence row 2201344

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://shipping-calc.x402tookit.com/freight-density"
    ]
  ],
  "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": "Cargo density in kg/m3 and lb/ft3, stowage factor, and whether air (1:6000) or sea freight bills on weight or volume.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "height": 100,
              "length": 120,
              "unit": "cm",
              "weightKg": 120,
              "width": 80
            },
            "type": "http"
          },
          "output": {
            "example": {
              "airBillsOn": "volume",
              "airChargeableKg": 160,
              "asOf": "2026-10-11T23:32:56.445Z",
              "cbm": 0.96,
              "cubicFeet": 33.902,
              "degraded": false,
              "densityKgPerM3": 125,
              "densityLbPerFt3": 7.803,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "notChecked": [
                "the actual chargeable-weight rule and minimums of your airline or forwarder",
                "LCL minimum charges and per-shipment fees",
                "…1 more"
              ],
              "reasons": [
                "Air breaks even at about 166.7 kg/m3 (1:6000); sea breaks even at 1000 kg/m3 (1 tonne = 1 CBM).",
                "Stowage factor 8 m3 per tonne."
              ],
              "seaBillsOn": "measurement",
              "seaChargeableRevenueTons": 0.96,
              "source": "computed locally (density arithmetic)",
              "stowageFactorM3PerTonne": 8,
              "summary": "Density 125 kg/m3 (7.8 lb/ft3): air bills on volume, sea on measurement.",
              "verdict": "BULKY"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "height": {
                      "description": "Cargo height",
                      "type": "number"
                    },
                    "length": {
                      "description": "Cargo length",
                      "type": "number"
                    },
                    "unit": {
                      "description": "cm (default), in or m",
                      "type": "string"
                    },
                    "weightKg": {
                      "description": "Gross weight of the cargo in kg",
                      "type": "number"
                    },
                    "width": {
                      "description": "Cargo width",
                      "type": "number"
                    }
                  },
                  "required": [
                    "weightKg",
                    "length",
                    "width",
                    "height"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "airBillsOn": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "airChargeableKg": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "cbm": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "cubicFeet": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "densityKgPerM3": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "densityLbPerFt3": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "seaBillsOn": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "seaChargeableRevenueTons": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "stowageFactorM3PerTonne": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:05:25.109Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:05:24.944Z"
    },
    "resource": "https://shipping-calc.x402tookit.com/freight-density",
    "serviceName": "Shipping & Logistics Calc",
    "tags": [
      "density",
      "freight",
      "stowage",
      "cbm"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cargo density in kg/m3 and lb/ft3, stowage factor, and whether air (1:6000) or sea freight bills on weight or volume."
}

What the leaf hashes

{"body":"148434dd051d4e2a6c67c15cc1cb9d732f500af33565d4e3fe521b10279407a4","id":2201344,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646804589637,"prev":null,"subject":"x402_bazaar:https://shipping-calc.x402tookit.com/freight-density","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. 0x29bfb99d5abaa1b597da2e898b092f05f3c073b879e664e011b68d9b7060d464
2. 0x06869892bd7966ed5151bf5f56f88a6bdcafa484b383051652be71c516f0d28b
3. 0xebf160160ae6723637bd5a77c7e10b6b4e0b381c0f571c8d1fa565d161fc3ada
4. 0xec94ef3e6e922bfce974b3a6f8adc933bafac1d5bfae342bed182465b61f28d1
5. 0x8ba5f57e2df169a84fa49b96201b3f919af4da7f9edd5ae8b38aa2cfd4edf2ce
6. 0x3909601a53147f881bf01b79eff21592452805be14b093df6b36dc1930802b58
7. 0xe65b1c150f44a977f8371a3be897e18e35ff4456dc5652c87c1c9f6f300747e5
8. 0x9a587555221477a4f9d9fade125dfccd2457b6725d9d8f3746594fcd8926576e
9. 0x4c45df7d1f2573928405c36fb51a4f3a4fda21b647c24d258e06575c0757e0e9
10. 0x224b2001fa169ff32aeb1fb8a7039cf41cc42f7c621c3c9263b683597189e92e
11. 0x3a357782ba07e599ae562ea10c121f44a54f1714e65b1a2ebad231777f58f729
12. 0xe12350a7a5fded6eeb0ecfd68a402669600feceb96d01436f0e00602ab64078d
13. 0x51e311ca2900bdc02d33f863997ecf605beee83455e2af17106fa126c029645d
14. 0x8d443fc9063dd9f00f5f7476005a8915a8222f4611f5601e212bafbdbbdd6165
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af