← The evidence ledger
Evidence row 218653
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402-niche-briefs.fly.dev/v1/dimensional-weight-calc
- Recorded
- Previous row
- #125362
- Body SHA-256
- 6a93b640164654a386cbc45ad889703bc691ee5306dde9195a91b918dc7d2127
- Leaf
- 0x61d846eb54bbf643b1f938da588cc41a345b1532d5c3e7640c018d8880fc8c65
What was observed
{
"endpoints": [
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/dimensional-weight-calc"
]
],
"name": "x402-niche-briefs.fly.dev/v1/dimensional-weight-calc",
"owner_address": "0x847f54ae8ddfd71ed7bc930c1f7a73576fab03a9",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x847f54ae8dDFD71ed7bC930C1f7a73576FAb03A9",
"scheme": "exact"
}
],
"description": "Deterministic parcel dimensional weight vs actual billable weight calculator. Pass ?length_in=14&width_in=10&height_in=6&actual_lb=3.2&divisor=139. Compares UPS/FedEx (139 divisor) and USPS Ground Advantage (166 divisor >1 cu ft), cubic size, length+girth oversize risk, and billable weight saved by trimming carton height by 1 inch.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"actual_lb": "3.2",
"divisor": "139",
"height_in": "6",
"length_in": "14",
"width_in": "10"
},
"type": "http"
},
"output": {
"example": {
"as_of": "2026-10-25",
"geometry": {
"cubic_feet": 0.49,
"cubic_inches": 840,
"exceeds_one_cubic_foot": false,
"length_plus_girth_in": 46,
"oversize_surcharge_risk": false
},
"inputs": {
"actual_lb": 3.2,
"divisor": 139,
"height_in": 6,
"length_in": 14,
"width_in": 10
},
"rightsizing_opportunity": {
"billable_lb_saved_by_trimming_1_inch_height": 1,
"one_inch_height_reduction_billable_lb": 6,
"recommendation": "You are paying for 3 lb of 'air'. Switching to a multi-depth scored carton or poly mailer (if non-fragile) directly lowers carrier zone rates."
},
"weight_comparison": {
"actual_rounded_lb": 4,
"actual_weight_lb": 3.2,
"billable_weight_lb": 7,
"billed_by": "dimensional_weight",
"dim_weight_exact_lb": 6.04,
"dim_weight_rounded_lb": 7,
"usps_ground_advantage_billable_lb": 4
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"actual_lb": {
"description": "Actual scale weight in pounds",
"type": "string"
},
"divisor": {
"description": "Carrier DIM divisor (default 139 for UPS/FedEx, 166 for USPS)",
"type": "string"
},
"height_in": {
"description": "Carton height in inches",
"type": "string"
},
"length_in": {
"description": "Carton length in inches",
"type": "string"
},
"width_in": {
"description": "Carton width in inches",
"type": "string"
}
},
"required": [
"length_in",
"width_in",
"height_in",
"actual_lb"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"as_of": {
"type": "string"
},
"geometry": {
"properties": {
"cubic_feet": {
"type": "number"
},
"cubic_inches": {
"type": "number"
},
"exceeds_one_cubic_foot": {
"type": "boolean"
},
"length_plus_girth_in": {
"type": "number"
},
"oversize_surcharge_risk": {
"type": "boolean"
}
},
"required": [
"cubic_inches",
"cubic_feet",
"length_plus_girth_in",
"exceeds_one_cubic_foot",
"oversize_surcharge_risk"
],
"type": "object"
},
"inputs": {
"properties": {
"actual_lb": {
"type": "number"
},
"divisor": {
"type": "number"
},
"height_in": {
"type": "number"
},
"length_in": {
"type": "number"
},
"width_in": {
"type": "number"
}
},
"required": [
"length_in",
"width_in",
"height_in",
"actual_lb",
"divisor"
],
"type": "object"
},
"rightsizing_opportunity": {
"properties": {
"billable_lb_saved_by_trimming_1_inch_height": {
"type": "number"
},
"one_inch_height_reduction_billable_lb": {
"type": "number"
},
"recommendation": {
"type": "string"
}
},
"required": [
"one_inch_height_reduction_billable_lb",
"billable_lb_saved_by_trimming_1_inch_height",
"recommendation"
],
"type": "object"
},
"weight_comparison": {
"properties": {
"actual_rounded_lb": {
"type": "number"
},
"actual_weight_lb": {
"type": "number"
},
"billable_weight_lb": {
"type": "number"
},
"billed_by": {
"type": "string"
},
"dim_weight_exact_lb": {
"type": "number"
},
"dim_weight_rounded_lb": {
"type": "number"
},
"usps_ground_advantage_billable_lb": {
"type": "number"
}
},
"required": [
"actual_weight_lb",
"actual_rounded_lb",
"dim_weight_exact_lb",
"dim_weight_rounded_lb",
"billable_weight_lb",
"billed_by",
"usps_ground_advantage_billable_lb"
],
"type": "object"
}
},
"required": [
"as_of",
"inputs",
"geometry",
"weight_comparison",
"rightsizing_opportunity"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T00:46:16.916Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T00:46:16.753Z"
},
"resource": "https://x402-niche-briefs.fly.dev/v1/dimensional-weight-calc",
"tags": [
"dim-weight",
"shipping",
"packaging",
"logistics",
"ups"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Deterministic parcel dimensional weight vs actual billable weight calculator. Pass ?length_in=14&width_in=10&height_in=6&actual_lb=3.2&divisor=139. Compares UPS/FedEx (139 divisor) and USPS Ground Advantage (166 divisor >1 cu ft), cubic size, length+girth oversize risk, and billable weight saved by trimming carton height by 1 inch."
}What the leaf hashes
{"body":"6a93b640164654a386cbc45ad889703bc691ee5306dde9195a91b918dc7d2127","id":218653,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026638423011,"prev":125362,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/dimensional-weight-calc","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae