← The evidence ledger
Evidence row 2201352
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://shipping-calc.x402tookit.com/cbm
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 36265a2a77bd6276bf47bf69c6acf543dbe064eb081f937d4e4906b4a42b02c7
- Leaf
- 0xe63a441da844638526ad1c4581182f620b4022c9985fe2cdd0632243f6356d51
What was observed
{
"endpoints": [
[
"x402",
"https://shipping-calc.x402tookit.com/cbm"
]
],
"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": "Cubic metres (CBM) and cubic feet of cartons, air volumetric weight (1:6000) and sea chargeable volume.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"cartons": 100,
"grossWeightKg": 12,
"height": 40,
"length": 60,
"unit": "cm",
"width": 40
},
"type": "http"
},
"output": {
"example": {
"airBasis": "volume",
"airChargeableKg": 1600,
"airVolumetricWeightKg": 1600,
"asOf": "2026-10-11T23:32:55.665Z",
"cartons": 100,
"cbmPerCarton": 0.096,
"cbmTotal": 9.6,
"cubicFeetTotal": 339.021,
"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.",
"grossWeightTotalKg": 1200,
"notChecked": [
"the actual rule of your forwarder or airline (some use 1:5000, 1:6000 or 1:7000)",
"pallet and packing overhead",
"…1 more"
],
"reasons": [
"CBM = length x width x height in metres, times the number of cartons.",
"Air volumetric weight uses 6000 cubic cm per kg (about 167 kg per CBM).",
"…1 more"
],
"seaBasis": "measurement (CBM)",
"seaChargeableRevenueTons": 9.6,
"source": "computed locally (volume arithmetic)",
"summary": "100 carton(s): 9.6 CBM (339 cubic feet), air volumetric weight 1600 kg.",
"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": {
"cartons": {
"description": "Number of identical cartons, 1 to 1,000,000 (default 1)",
"type": "integer"
},
"grossWeightKg": {
"description": "Gross weight per carton in kg, to compare against volume",
"type": "number"
},
"height": {
"description": "Carton height",
"type": "number"
},
"length": {
"description": "Carton length in the chosen unit",
"type": "number"
},
"unit": {
"description": "cm (default), in or m",
"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": {
"airBasis": {
"type": [
"null",
"string"
]
},
"airChargeableKg": {
"type": [
"null",
"number"
]
},
"airVolumetricWeightKg": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"cartons": {
"type": [
"null",
"number"
]
},
"cbmPerCarton": {
"type": [
"null",
"number"
]
},
"cbmTotal": {
"type": [
"null",
"number"
]
},
"cubicFeetTotal": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"grossWeightTotalKg": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"seaBasis": {
"type": [
"null",
"string"
]
},
"seaChargeableRevenueTons": {
"type": [
"null",
"number"
]
},
"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": "2026-11-02T04:05:17.261Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-02T04:05:17.089Z"
},
"resource": "https://shipping-calc.x402tookit.com/cbm",
"serviceName": "Shipping & Logistics Calc",
"tags": [
"cbm",
"shipping",
"freight",
"volumetric"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Cubic metres (CBM) and cubic feet of cartons, air volumetric weight (1:6000) and sea chargeable volume."
}What the leaf hashes
{"body":"36265a2a77bd6276bf47bf69c6acf543dbe064eb081f937d4e4906b4a42b02c7","id":2201352,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646804616103,"prev":null,"subject":"x402_bazaar:https://shipping-calc.x402tookit.com/cbm","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).
- 0xe63a3de4398ead756e059fc7997b066ac9687a12f8ad20f33d37a40d6efefa34
- 0x65e9df74bc5822af6b76412ff63615ce5ad33e39c79fa3e5a20ad9460f86689d
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- 0x5a415f27486e529bcdf2d9d6cfeea4abfc12d6fab57a9551d8cbe41d15175f20
- 0xe69e6e056e7dbdd27ae05f2271eb4ad67166d52be45019bce0362c22f72f753b
- 0x26bd354ceee5caeb5e2b456c890964e7268eb03a5e82ff6646b66db67fc5a46a
- 0xb7337261b155a4611a4281692f2b07a8a589d6205bcfee4083c34678069d8da3
- 0x0f909831717b6b9e690895c4af2ac2c3ee9befd972a36a127385f53cc395ab77
- 0x4c5548f71c7661c89e8605d466b6b4b77f7fdcd91080b3707185c210335ee67b
- 0x1a01f1f7bf1303eed559237837d50351fc20f9f89c33056190b204e98e216ab9
- 0x77334c9bb8469361dc2647a421761450f3a3aee062881cd908dcd380bd9cb382
- 0x6e5a50bc795c5cacf8d07a6a7782267c29257d38dd1b857933910a4cfb7ea84f
- 0x699db14025d495a48d39671ab634de3d8cbdf71cc080884a285592176d87ef84
- 0x3e441d3f53c7b69d6c73ef93d327dfc3071a522c550856540832b34fcb531738
- 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
- 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af