← The evidence ledger
Evidence row 2201338
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://shipping-calc.x402tookit.com/pallet-stack
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 029c3d30d70cad2738e923517bdbdd054266775293c5bb1a7033070a1800599b
- Leaf
- 0x2fb9b6e3b7aa02a6f90975bac0de13948c93fb19be280c833c53db303025c151
What was observed
{
"endpoints": [
[
"x402",
"https://shipping-calc.x402tookit.com/pallet-stack"
]
],
"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": "Cartons per pallet layer and per pallet within a height limit: GMA 48x40, Euro 120x80 or ISO, with weight check.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"cartonWeightKg": 8,
"height": 25,
"length": 40,
"pallet": "euro",
"unit": "cm",
"width": 30
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T23:32:56.959Z",
"cartonsByHeight": 48,
"cartonsByWeight": 125,
"cartonsLoaded": 48,
"cartonsPerLayer": 8,
"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.",
"footprintCm": [
120,
80
],
"layersByHeight": 6,
"layersLoaded": 6,
"limitedBy": "space",
"loadWeightKg": 384,
"loadedHeightCm": 164.4,
"notChecked": [
"interlocked or pinwheel layer patterns, which often fit more",
"carton crush strength and stacking limits",
"…3 more"
],
"pallet": "euro",
"palletName": "EUR / EPAL 120 x 80 cm",
"reasons": [
"EUR / EPAL 120 x 80 cm, pallet height 14.4 cm, height limit 180 cm.",
"Carton laid as 40 x 30 x 25 cm."
],
"source": "computed locally; pallet sizes are standard published footprints",
"summary": "48 carton(s) per euro pallet: 8 per layer, 6 layer(s), limited by space.",
"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": {
"allowOverhang": {
"description": "true to allow cartons to overhang the pallet by up to 2.5 cm per side (default false)",
"type": "string"
},
"cartonWeightKg": {
"description": "Weight of one carton in kg",
"type": "number"
},
"height": {
"description": "Carton height",
"type": "number"
},
"length": {
"description": "Carton length",
"type": "number"
},
"maxHeightCm": {
"description": "Maximum loaded height including pallet, in cm (default 180)",
"type": "number"
},
"maxWeightKg": {
"description": "Maximum pallet load weight in kg (default 1000)",
"type": "number"
},
"pallet": {
"description": "gma (default), euro or 1200x1000",
"type": "string"
},
"unit": {
"description": "cm (default) or in",
"type": "string"
},
"width": {
"description": "Carton width",
"type": "number"
}
},
"required": [
"length",
"width",
"height"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"cartonsByHeight": {
"type": [
"null",
"number"
]
},
"cartonsByWeight": {
"type": [
"null",
"number"
]
},
"cartonsLoaded": {
"type": [
"null",
"number"
]
},
"cartonsPerLayer": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"footprintCm": {
"items": {
"type": "number"
},
"type": [
"array",
"null"
]
},
"layersByHeight": {
"type": [
"null",
"number"
]
},
"layersLoaded": {
"type": [
"null",
"number"
]
},
"limitedBy": {
"type": [
"null",
"string"
]
},
"loadWeightKg": {
"type": [
"null",
"number"
]
},
"loadedHeightCm": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"pallet": {
"type": [
"null",
"string"
]
},
"palletName": {
"type": [
"null",
"string"
]
},
"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": "2026-11-02T04:05:31.227Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-02T04:05:31.07Z"
},
"resource": "https://shipping-calc.x402tookit.com/pallet-stack",
"serviceName": "Shipping & Logistics Calc",
"tags": [
"pallet",
"palletizing",
"logistics",
"cartons"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Cartons per pallet layer and per pallet within a height limit: GMA 48x40, Euro 120x80 or ISO, with weight check."
}What the leaf hashes
{"body":"029c3d30d70cad2738e923517bdbdd054266775293c5bb1a7033070a1800599b","id":2201338,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646804569240,"prev":null,"subject":"x402_bazaar:https://shipping-calc.x402tookit.com/pallet-stack","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).
- 0x2fb994d1b887c842ef57209edd6cc58fe29f8b852992179a0d35539e8c973bfe
- 0xdbc49166329a827ae87d1054b144cdece21d3ff213fa8e0736e18d32507dfac0
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- 0xdd3b58f3e54195f8c07be2d9aba0edbf6d2c17d15d07afa05331339c5d0b21a6
- 0x6bc140f5820c0cde4181f6236518c99ea30cdbd594eb5c94f18c00b372250661
- 0xc8d0a4caf64cf9045ce5e0021fbc2296fff9998002cb9bab98e9807fc0420997
- 0x571deefc057a5365b0c793c7d6eaeccf2611f09d0cf49f7def0f8b902a84b440
- 0x59cab72675f347225ca722fd1d71d59f33ffb4fa0eda7319386079ab7b7bb195
- 0xac648f7e7fa15c66b275187f780a94b98e14299911e85d5dc53ae9af7e684d0a
- 0x00af06bb139394fe5f495f0c3abf41d21ab29c719fc8f4a45503d052cd5fb3ed
- 0x83c0ab9422938edcaf9291b4dba948045692c513a3441ef196db65d0072a3fce
- 0xd02b59f5289a7e4f418fa177885dbe768742fd98e5bf0532eaadff55a79c5864
- 0xe0a95aa0d153f7a034b0dbeb91c5460c64c47c22ac037e0e8cfa69f4ff734b69
- 0x74cae95d275254a9c747b603bd40b5086c5725fd3e904782e6447e4647e8b049
- 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
- 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af