← The evidence ledger
Evidence row 2201819
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://trade-reference.x402tookit.com/hs-chapter
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c9289425f01d4f749509a918bff057e3c510015e7975f18606ff1dee6c4ade50
- Leaf
- 0xec38d0241f482178fcd85f2b700ce2b22678406586ce967547549cf92600659d
What was observed
{
"endpoints": [
[
"x402",
"https://trade-reference.x402tookit.com/hs-chapter"
]
],
"name": "Trade and Customs Reference",
"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": "List a Harmonized System 2022 chapter (01-97): title, section, and its headings or 6-digit subheadings.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"chapter": "87"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T10:43:02.767Z",
"attribution": "Harmonized System 2022 six-digit nomenclature (WCO), as published by UN Comtrade and the open datasets/harmonized-system project (ODC-PDDL), snapshot 2026-10-21. National tariff lines beyond 6 digits …",
"chapter": "87",
"degraded": false,
"detail": "headings",
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"headingCount": 16,
"input": "87",
"lines": [
{
"code": "8701",
"description": "Tractors; (other than tractors of heading no 8709)",
"formatted": "8701",
"level": "heading"
},
{
"code": "8702",
"description": "Vehicles; public transport passenger type",
"formatted": "8702",
"level": "heading"
}
],
"notChecked": [
"chapter and section notes (they decide which goods fall in which heading)",
"national tariff lines and duty rates",
"…1 more"
],
"offset": 0,
"reasons": [
"National tariff lines beyond 6 digits and duty rates are NOT included; a 6-digit HS code alone does not settle classification or duty."
],
"returned": 16,
"section": {
"name": "Vehicles, aircraft, vessels and associated transport equipment",
"roman": "XVII"
},
"source": "Harmonized System 2022, 6-digit (UN Comtrade copy, ODC-PDDL)",
"subheadingCount": 98,
"summary": "Chapter 87 \"Vehicles; other than railway or tramway rolling stock, and parts and accessories thereof\" (section XVII) has 16 headings and 98 subheadings; showing 16 headings.",
"title": "Vehicles; other than railway or tramway rolling stock, and parts and accessories thereof",
"truncated": false,
"verdict": "FOUND"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
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"properties": {
"method": {
"enum": [
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],
"type": "string"
},
"queryParams": {
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"description": "Chapter number 01 to 97, e.g. 85 (chapter 77 is reserved)",
"type": "string"
},
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"type": "string"
},
"limit": {
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"type": "integer"
},
"offset": {
"description": "Rows to skip (default 0)",
"type": "integer"
}
},
"required": [
"chapter"
],
"type": "object"
},
"type": {
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}
},
"required": [
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],
"type": "object"
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},
"chapter": {
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"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"detail": {
"type": [
"null",
"string"
]
},
"disclaimer": {
"type": [
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"string"
]
},
"headingCount": {
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"number"
]
},
"input": {
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"null",
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]
},
"lines": {
"items": {
"properties": {
"code": {
"type": [
"null",
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]
},
"description": {
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"string"
]
},
"formatted": {
"type": [
"null",
"string"
]
},
"level": {
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"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"notChecked": {
"items": {
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},
"type": [
"array",
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},
"offset": {
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},
"reasons": {
"items": {
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"type": [
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},
"returned": {
"type": [
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]
},
"section": {
"properties": {
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"type": [
"null",
"string"
]
},
"roman": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"source": {
"type": [
"null",
"string"
]
},
"subheadingCount": {
"type": [
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},
"summary": {
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]
},
"title": {
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"null",
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},
"truncated": {
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]
},
"verdict": {
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}
},
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},
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}
},
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],
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}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:24:30.046Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T23:24:29.798Z"
},
"resource": "https://trade-reference.x402tookit.com/hs-chapter",
"serviceName": "Trade and Customs Reference",
"tags": [
"hs-codes",
"customs",
"chapter",
"trade"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "List a Harmonized System 2022 chapter (01-97): title, section, and its headings or 6-digit subheadings."
}What the leaf hashes
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Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
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- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af