← The evidence ledger
Evidence row 2200039
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://commerce-validator.halowerk.com/v1/eu/vat-customs-ioss-number-handling-validator
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 9b720411c4b7af2a36329382cec4765bd866b3e1c4fcc46b127bec8302c9e5b6
- Leaf
- 0x961ef1242cee8d2bd016c8cab6b6ea1f5d1914444332b476e65f20d2637fbb06
What was observed
{
"endpoints": [
[
"x402",
"https://commerce-validator.halowerk.com/v1/eu/vat-customs-ioss-number-handling-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 ioss number handling 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": [
"ioss-number-handling"
],
"document_text": "Seller GmbH — ioss number handling 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": "2026-11-02T17:04:20.527Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T17:04:20.288Z"
},
"resource": "https://commerce-validator.halowerk.com/v1/eu/vat-customs-ioss-number-handling-validator",
"serviceName": "HALOWERK EU Commerce Validators",
"tags": [
"eu-commerce",
"validator",
"vat-customs",
"vat-customs-ioss-number-handling"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Validate the ioss number handling 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":"9b720411c4b7af2a36329382cec4765bd866b3e1c4fcc46b127bec8302c9e5b6","id":2200039,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646794661304,"prev":null,"subject":"x402_bazaar:https://commerce-validator.halowerk.com/v1/eu/vat-customs-ioss-number-handling-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).
- 0x961ee87c18d6623b50628df95c794d9efe025d08cfb7d8f077c4e3ffb455188c
- 0x1e39ca957b9e0aa8d7d108ccbd6e37264e2a7509346a5f6b1999770d7320f9ea
- 0x4bff0aaabe3b86adcb0a2c9c55aed4e522b1cb7bad3d17f789a93f3dd092970b
- 0xb70985e625193a997da102e1e60214bdcd5105351f4a89c722580763b2d3307d
- 0x670941d129a8f6420b3a2aade8124f394dddf6339a33318522be87dfea8f01b6
- 0xc11742b05eb0d9f556b76ffc7211207f1d49c6b7158012f6ee928cc67e130d56
- 0xe6f55c610f38c423f8dca3361be7324193ed09c753a51637380a06fc2f582303
- 0xd23d89ecde20bbdf0a998d20d9e498d18a9726231504626549d0efa6de573689
- 0x15641a5cfca0ab4c5a42f163071c81fead0535223bc58e41ca166444118cb427
- 0xa099ba4aca77ab9d90ca9ed37260584f7f596d6781c74229df096af20b3c9d31
- 0xd6a5f8c418fcfa8b0a4748e298a8e01cde0ee71c2f11b9535d1aaa5b99afd2f4
- 0xdc3d9b939a5c0d34370b562b57f71a1d7de8edb6d30d9434a2f5a9a0eeafc66d
- 0x80c229343462b4db0b5706d7cf049c63be6fca4613d1e49d2d90b6c7dd36074e
- 0xece99d4dfafa93913edbe131eb22b3d7ab2648b58b5bd9dcd361be4f8953b107
- 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af