← The evidence ledger
Evidence row 2200064
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://commerce-validator.halowerk.com/v1/eu/terms-withdrawal-return-cost-validator
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3975237ad59d52fc775186b1086c6f87e56584802c801428f9e8b8abacb6755b
- Leaf
- 0x58c6a187ce7bceafafcf5673ef4599b7b4ed47fc0f97cb6cc085a7d7af20a43e
What was observed
{
"endpoints": [
[
"x402",
"https://commerce-validator.halowerk.com/v1/eu/terms-withdrawal-return-cost-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 return cost signal in a fixed terms withdrawal 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": [
"return-cost"
],
"document_text": "Seller GmbH — return cost 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": "2026-11-02T17:00:22.428Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T17:00:22.191Z"
},
"resource": "https://commerce-validator.halowerk.com/v1/eu/terms-withdrawal-return-cost-validator",
"serviceName": "HALOWERK EU Commerce Validators",
"tags": [
"eu-commerce",
"validator",
"terms-withdrawal",
"terms-withdrawal-return-cost-val"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Validate the return cost signal in a fixed terms withdrawal 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":"3975237ad59d52fc775186b1086c6f87e56584802c801428f9e8b8abacb6755b","id":2200064,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646795734640,"prev":null,"subject":"x402_bazaar:https://commerce-validator.halowerk.com/v1/eu/terms-withdrawal-return-cost-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).
- 0x58c6a1354507952fb5dfd762028894f34cdaf74cf063e7f892f21a4817ff3061
- 0x4d3498ff833f8d748df19301d3e5d5f36a0e548ebb5500677a3eda9aa55f4b06
- 0xe91358e6a7e838a2ec5acdc00cbe39ecdb01c2d03a33d0620160ff2ccf0d35b8
- 0x6ee6e70cc0a44400c02b108a6f5fccb24ba5e541c058fa7b79d2c399b2627fe1
- 0x7f4ae902ca00f1b1707884fa46dd1a10e0167ac3baf07241d3ebeba405dc4a40
- 0x010dfa48b31169b17c4fa66c9ce06dd04d6d1c430babe0426d79c5f3530aa718
- 0xa91684e263d74b2e7de7be072111717af0b74950cf1b3d1f21e262a00f5e263b
- 0x5f8ed2024a68442e581aeae3938dc9243da22877390b6ffff2d9f048f2847cb9
- 0x7ac3f01e93837a0095beb3dc94818727909a8eb4f1a9803f139fa63d665dd8b4
- 0x1dd8bf21ab06806b84cfc1aa7271af45f8bb68be3d6570c90f175c2ff452b6ae
- 0x86f4014c971df07fa1c19f8676e84de8a2f18339c938139958437ae74da5d46b
- 0x5f2a4b55a530a11fb70b7514490f97a224bd5a4e03f8eedea57af0e36a116efa
- 0x4156d0c5ab6447dc36720ca7ceb2f5a0f0c5620d9192ea6d8fcf5e704e8dda41
- 0xc73349c9955998a166e6e5920ac8ee0aa7bc6c9d66bace60f6dbd465dd9e0530
- 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
- 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af