← The evidence ledger
Evidence row 2200043
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://commerce-validator.halowerk.com/v1/eu/vat-customs-intrinsic-value-validator
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 213fa1e54fe62e7714a54178910dae4fbc22e6d6e6aae54b5eda154ccff61944
- Leaf
- 0x39365d44c3ddc50af246fab1923bd8d2f0d93c023da52f0d90380a65e1196d5a
What was observed
{
"endpoints": [
[
"x402",
"https://commerce-validator.halowerk.com/v1/eu/vat-customs-intrinsic-value-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 intrinsic value 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": [
"intrinsic-value"
],
"document_text": "Seller GmbH — intrinsic value 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": "2026-11-02T17:03:57.683Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T17:03:57.332Z"
},
"resource": "https://commerce-validator.halowerk.com/v1/eu/vat-customs-intrinsic-value-validator",
"serviceName": "HALOWERK EU Commerce Validators",
"tags": [
"eu-commerce",
"validator",
"vat-customs",
"vat-customs-intrinsic-value-vali"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Validate the intrinsic value 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":"213fa1e54fe62e7714a54178910dae4fbc22e6d6e6aae54b5eda154ccff61944","id":2200043,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646795651332,"prev":null,"subject":"x402_bazaar:https://commerce-validator.halowerk.com/v1/eu/vat-customs-intrinsic-value-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).
- 0x393690c21dfb36d3965c6ade21bea9a76263a8b5ae0627518fb92b49c95f86f1
- 0x9076ad0c4bbc8add611493be51d319957353054fd5a63dc6e6c3dc0dee556e2f
- 0x0a3bcc90923660cb0389e62f503b23978c198d66d2290d443f0c3bcacf490797
- 0x2468e3fea6f367da646ad87172fb5d520a3a5b2982cace58c5e07a316e541e83
- 0x2a047db998f0e9ced54ae6fb38795618c52c6ac5eb32002ab1bb94ca6684e37b
- 0x1b50e14227c059f5acc578b67e7a39b3c9eacba83620292c5d5ff3e62c5da01e
- 0x4c37d4274a5b85e8ee015daed9c483f15027723c2b55b49cf5ee5b3c98537f58
- 0xa01ab38bf2126b93b600129d79c7456bcd020978b30b672e3387eda783445687
- 0xa643165012c888ff4ce03c15dd5e4714ab7b04df11bdc8b7baeaa0de664cdc87
- 0x3d602026ef6e87cc704f34b3f8c344126ad2fefcd7d74390d0f4046c7bfeaded
- 0x6e57eb92647b672e6789d6f11401cfaadd3d9debde70d7ec55c20cc6d55eb392
- 0x0fd72956710df968a8f58dacdfceb8698025772998960cf002c04225c3ba96b2
- 0xaee6ec4fc06e2edf4e7718ad8b87a20e5863c6d259df1046ee61e5a22ea253b8
- 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
- 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
- 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af