← The evidence ledger
Evidence row 80861
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402-niche-briefs.fly.dev/v1/air-vs-ocean-breakeven
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c0dab4e3eb8415bbe7555c8bed77480dd56e3d60aa8e8a86bca20e7bd4c0d8fc
- Leaf
- 0x07f8beb7162c251f1bc58643af5219910aaf1783e61a45fff97d873d81b450b4
What was observed
{
"endpoints": [
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/air-vs-ocean-breakeven"
]
],
"name": "Air vs ocean freight break-even",
"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": "Compare air vs ocean including inventory carrying cost of transit days.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"air_days": "7",
"air_rate_per_kg": "4.5",
"carrying_cost_pct_yr": "25",
"cbm": "2.5",
"chargeable_kg": "500",
"goods_value_usd": "20000",
"ocean_days": "35",
"ocean_rate_per_cbm": "120"
},
"type": "http"
},
"output": {
"example": {
"air_total_usd": 2345.89,
"as_of": "2026-10-25",
"cheaper": "ocean",
"input": {
"air_days": 7,
"air_rate_per_kg": 4.5,
"carrying_cost_pct_yr": 25,
"cbm": 2.5,
"chargeable_kg": 500,
"goods_value_usd": 20000,
"ocean_days": 35,
"ocean_rate_per_cbm": 120
},
"ocean_total_usd": 779.45,
"savings_usd": 1566.44
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"air_days": {
"description": "Air transit days",
"type": "string"
},
"air_rate_per_kg": {
"description": "Air $/kg",
"type": "string"
},
"carrying_cost_pct_yr": {
"description": "Carrying cost %/yr",
"type": "string"
},
"cbm": {
"description": "CBM",
"type": "string"
},
"chargeable_kg": {
"description": "Chargeable kg",
"type": "string"
},
"goods_value_usd": {
"description": "Goods value",
"type": "string"
},
"ocean_days": {
"description": "Ocean transit days",
"type": "string"
},
"ocean_rate_per_cbm": {
"description": "Ocean LCL $/CBM",
"type": "string"
}
},
"required": [
"chargeable_kg",
"cbm",
"air_rate_per_kg",
"ocean_rate_per_cbm",
"goods_value_usd",
"carrying_cost_pct_yr",
"air_days",
"ocean_days"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"air_total_usd": {
"type": "number"
},
"as_of": {
"type": "string"
},
"cheaper": {
"type": "string"
},
"input": {
"properties": {
"air_days": {
"type": "number"
},
"air_rate_per_kg": {
"type": "number"
},
"carrying_cost_pct_yr": {
"type": "number"
},
"cbm": {
"type": "number"
},
"chargeable_kg": {
"type": "number"
},
"goods_value_usd": {
"type": "number"
},
"ocean_days": {
"type": "number"
},
"ocean_rate_per_cbm": {
"type": "number"
}
},
"required": [
"chargeable_kg",
"cbm",
"air_rate_per_kg",
"ocean_rate_per_cbm",
"goods_value_usd",
"carrying_cost_pct_yr",
"air_days",
"ocean_days"
],
"type": "object"
},
"ocean_total_usd": {
"type": "number"
},
"savings_usd": {
"type": "number"
}
},
"required": [
"input",
"air_total_usd",
"ocean_total_usd",
"cheaper",
"savings_usd",
"as_of"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T11:03:18.762Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T11:03:18.575Z"
},
"resource": "https://x402-niche-briefs.fly.dev/v1/air-vs-ocean-breakeven",
"serviceName": "Air vs ocean freight break-even",
"tags": [
"supply-chain",
"freight"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Compare air vs ocean including inventory carrying cost of transit days."
}What the leaf hashes
{"body":"c0dab4e3eb8415bbe7555c8bed77480dd56e3d60aa8e8a86bca20e7bd4c0d8fc","id":80861,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025499485896,"prev":null,"subject":"x402_bazaar:https://x402-niche-briefs.fly.dev/v1/air-vs-ocean-breakeven","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).
- 0x07f8cb83e2c3fd2ba490ef048206be6d53d9f80a9c768bf0c328c32b7f07f30d
- 0x4b7a243473150dc98fec8e21a3f1c536ac00f92b66167331393c7244340b28a0
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- 0xfcc82a55fcb7e135ade48131da3ce438aaeae5a5fa1d6be9ee17a8c2d3279155
- 0xe7be69f5603053d402f9d62a8177317fc55504dd014c7e65e8a2c645d1bf115b
- 0x710de4a2f20491cdbef7fee1b331e2a5f7171426b1143c4da8ec077fb9be0f5e
- 0x65b1162fcaf097287bce45d75c160f0ee31a9aae116fe23b4ccd26caa716ab14
- 0x18e51c542bcdf0ce31e867990bcfb5d782769a2aa0aeab389e3cccc643f1d507
- 0xeea4eb4b257a21cea79349051e304c9f01984afa83774c6509013ba81e058790
- 0x286d15bd62bd4bdc9d226a5307435d38911f3c64d096f3d8addf809f96068fe4
- 0xe5919b091405f2537da4d32a97f1520286a61795e2d149438b884ef5190051cc
- 0x6003e14d04cde1d24b195ac15b568dd483e04047e0f2ff64d9632a51a8f7123d
- 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
- 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae