← The evidence ledger
Evidence row 2200058
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://commerce-validator.halowerk.com/v1/eu/vat-customs-commodity-code-validator
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8ccfadd847f04a344517ea2a6bbe97cdf2455a2fdd07111576c4cfb32811fa2c
- Leaf
- 0x092416aaa840be39142bfcc28312cae1b146e24f805a6c290ea412ca8ea363a2
What was observed
{
"endpoints": [
[
"x402",
"https://commerce-validator.halowerk.com/v1/eu/vat-customs-commodity-code-validator"
]
],
"name": "HALOWERK EU Commerce Validators",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Validate the commodity code signal in a fixed vat customs text or HTML snapshot. It reports evidence and missing signals without fetching or retaining the page and without certifying legal compliance.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"customer_country": "FR",
"declared_fields": [
"commodity-code"
],
"document_text": "Seller GmbH — commodity code declared for this transaction.",
"effective_date": "2026-09-04",
"seller_country": "DE"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"customer_country": {
"enum": [
"AT",
"BE",
"BG",
"HR",
"CY",
"CZ",
"DK",
"EE",
"FI",
"FR",
"DE",
"GR",
"HU",
"IE",
"IT",
"LV",
"LT",
"LU",
"MT",
"NL",
"PL",
"PT",
"RO",
"SK",
"SI",
"ES",
"SE"
],
"type": "string"
},
"declared_fields": {
"default": [],
"items": {
"maxLength": 100,
"minLength": 1,
"type": "string"
},
"maxItems": 200,
"type": "array",
"uniqueItems": true
},
"document_text": {
"description": "Fixed text or HTML snapshot to validate. It is processed in memory and not persisted.",
"maxLength": 50000,
"minLength": 1,
"type": "string"
},
"effective_date": {
"description": "Date on which the commercial decision is evaluated (YYYY-MM-DD).",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"page_url": {
"description": "Optional provenance URL. The validator does not fetch it.",
"maxLength": 2048,
"pattern": "^https?://",
"type": "string"
},
"seller_country": {
"enum": [
"AT",
"BE",
"BG",
"HR",
"CY",
"CZ",
"DK",
"EE",
"FI",
"FR",
"DE",
"GR",
"HU",
"IE",
"IT",
"LV",
"LT",
"LU",
"MT",
"NL",
"PL",
"PT",
"RO",
"SK",
"SI",
"ES",
"SE"
],
"type": "string"
}
},
"required": [
"effective_date",
"seller_country",
"customer_country",
"document_text"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {},
"type": {
"type": "string"
}
},
"required": [
"type",
"example"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T17:01:25.887Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T17:01:25.646Z"
},
"resource": "https://commerce-validator.halowerk.com/v1/eu/vat-customs-commodity-code-validator",
"serviceName": "HALOWERK EU Commerce Validators",
"tags": [
"eu-commerce",
"validator",
"vat-customs",
"vat-customs-commodity-code-valid"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Validate the commodity code signal in a fixed vat customs text or HTML snapshot. It reports evidence and missing signals without fetching or retaining the page and without certifying legal compliance."
}What the leaf hashes
{"body":"8ccfadd847f04a344517ea2a6bbe97cdf2455a2fdd07111576c4cfb32811fa2c","id":2200058,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646795711422,"prev":null,"subject":"x402_bazaar:https://commerce-validator.halowerk.com/v1/eu/vat-customs-commodity-code-validator","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).
- 0x092415ea12fc8da7debd36d2738d2e432f79f27020fca60ef16a4fe607b09710
- 0x8a1ee8730865d7575d922a31f4d6e1a262edf3201770f56686876b3f9dba824f
- 0x862f10a406307eed410fb0cbc919662c16ac3502bd0b770a2ad91559232ec4db
- 0x7239c5fdc3d855466fb6506d15274dc81e466dc6ec97e3407437d31c13b5e6cc
- 0x9b130d431750f1367884ed719859af79cc7b79dcaa2a45d7b4a6b2fa07de35e5
- 0x421a269ae91ef4d1a541a8132c81b98d3b16ce35994901c000feef11b3f512ac
- 0x3d438d5b20da10187c34ebbc946b7e2d0c8a10ac060676ce5c807ca46820a27f
- 0x977338378caa64f3975b1f1392f222b7d57c8c1ce2c07099b4585624baaa0912
- 0xf45a9dae31231e07f35842c6470428c0fbd73202b6f164fc87ece3bc0059603b
- 0x0b70a2cd1d1698a00bc20e6cb15966a71947dfe39fd96b8a51360d9340a25c75
- 0xbbd2603f0ef4c42a8591fa962c979ccde5727c1de16b02c547018bbbeb02378b
- 0x8464365fe08ea3ff4f374bf2c5c2327d1e374e005a2faa2f073c682fa39700e2
- 0x0f1192f111e333f4cfe5aed028a160b023e5a552da7a04e97103b4a7b2416a85
- 0x66ec51993542849e8bb0ec95d77eba3d6a82a6a4fd1696c4d0ddbb7a693845aa
- 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
- 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
- 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af