← The evidence ledger
Evidence row 2204029
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://commerce-central.halowerk.com/v1/cz/precontract-information
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ca7d683bb761bda690a779b604396660f6478a1f3ca96f1ac84e17a59ca211b3
- Leaf
- 0xba86f204c8beb2923c37171732fa1914c8557abc75cb1330c85b4895f6ef2449
What was observed
{
"endpoints": [
[
"x402",
"https://commerce-central.halowerk.com/v1/cz/precontract-information"
]
],
"name": "HALOWERK EU Commerce Central",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "2000",
"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": "Check the declared presence of core trader, product, price, delivery and cancellation information. This service is distinct for Czechia: it returns the national authority, official legislation portal, language set and jurisdiction-specific implementation review conditions.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"customer_country": "CZ",
"customer_type": "consumer",
"effective_date": "2026-09-04",
"product_category": "general_consumer_goods",
"product_value_eur": 49.9,
"seller_country": "CZ",
"transaction_type": "goods"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"answer": "yes",
"checked_at": "example",
"confidence": 0,
"decision_status": "applicable",
"effective_date": "example",
"evidence": {},
"exceptions": [],
"execution_status": "success",
"explanation": "example",
"facts_used": {},
"human_review_required": false,
"jurisdiction": "example",
"last_verified": "example",
"limitations": [],
"missing_facts": [],
"national_sources": [],
"next_review_due": "example",
"payment": {
"price_usdc": 0.002,
"settled": true
},
"required_actions": [],
"requirements": [],
"result": {},
"service_id": "eu-commerce.cz.precontract-information.v1",
"sources": [],
"status": "success",
"summary": "Deterministic example result for Czechia: Distance-sale pre-contract information; production output is derived from the "
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"agreed_delivery_days": {
"default": 30,
"maximum": 3650,
"minimum": 0,
"type": "integer"
},
"annual_cross_border_b2c_eur": {
"default": 0,
"maximum": 100000000000,
"minimum": 0,
"type": "number"
},
"contains_battery": {
"default": false,
"type": "boolean"
},
"customer_country": {
"const": "CZ",
"type": "string"
},
"customer_type": {
"default": "consumer",
"enum": [
"consumer",
"business",
"unknown"
],
"type": "string"
},
"declared_fields": {
"default": [],
"items": {
"maxLength": 100,
"minLength": 1,
"type": "string"
},
"maxItems": 200,
"type": "array",
"uniqueItems": true
},
"effective_date": {
"description": "Date on which the commercial decision is evaluated (YYYY-MM-DD).",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"flags": {
"additionalProperties": {
"type": "boolean"
},
"default": {},
"maxProperties": 100,
"type": "object"
},
"imported_from_outside_eu": {
"default": false,
"type": "boolean"
},
"is_digital_element": {
"default": false,
"type": "boolean"
},
"is_electrical": {
"default": false,
"type": "boolean"
},
"is_microenterprise": {
"default": false,
"type": "boolean"
},
"is_platform": {
"default": false,
"type": "boolean"
},
"product_category": {
"default": "general_consumer_goods",
"maxLength": 120,
"minLength": 2,
"type": "string"
},
"product_value_eur": {
"default": 49.9,
"maximum": 100000000,
"minimum": 0,
"type": "number"
},
"sales_channel": {
"default": "own_shop",
"enum": [
"own_shop",
"marketplace",
"social_commerce",
"other"
],
"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"
},
"transaction_type": {
"default": "goods",
"enum": [
"goods",
"digital_content",
"digital_service",
"service",
"marketplace_offer"
],
"type": "string"
}
},
"required": [
"effective_date",
"seller_country",
"customer_country"
],
"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": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": true,
"properties": {
"answer": {
"enum": [
"yes",
"no",
"conditional",
"not_applicable",
"unknown",
"source_stale",
"source_unavailable",
"human_review_required"
],
"type": "string"
},
"charged": {
"type": "boolean"
},
"checked_at": {
"type": "string"
},
"confidence": {
"type": "number"
},
"decision_status": {
"enum": [
"applicable",
"not_applicable",
"conditional",
"unclear",
"source_stale"
],
"type": "string"
},
"effective_date": {
"type": "string"
},
"evidence": {
"type": "object"
},
"exceptions": {
"items": {
"type": "string"
},
"type": "array"
},
"explanation": {
"type": "string"
},
"facts_used": {
"type": "object"
},
"human_review_required": {
"type": "boolean"
},
"jurisdiction": {
"type": "string"
},
"last_verified": {
"type": "string"
},
"limitations": {
"items": {
"type": "string"
},
"type": "array"
},
"missing_facts": {
"items": {
"type": "string"
},
"type": "array"
},
"national_sources": {
"items": {
"type": "object"
},
"type": "array"
},
"next_review_due": {
"type": "string"
},
"payment": {
"type": "object"
},
"required_actions": {
"items": {
"type": "string"
},
"type": "array"
},
"requirements": {
"items": {
"type": "object"
},
"type": "array"
},
"result": {
"type": "object"
},
"service_id": {
"type": "string"
},
"sources": {
"items": {
"type": "object"
},
"type": "array"
},
"status": {
"enum": [
"success"
],
"type": "string"
},
"summary": {
"type": "string"
}
},
"required": [
"service_id",
"status",
"decision_status",
"answer",
"summary",
"jurisdiction",
"facts_used",
"missing_facts",
"requirements",
"national_sources",
"last_verified",
"next_review_due",
"result",
"explanation",
"required_actions",
"exceptions",
"effective_date",
"sources",
"confidence",
"human_review_required",
"checked_at",
"evidence",
"limitations"
],
"type": "object",
"x-full-schema-url": "https://commerce-central.halowerk.com/service/eu-commerce.cz.precontract-information.v1/metadata#output_schema"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"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": "2026-11-02T17:02:36.187Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T17:02:35.889Z"
},
"resource": "https://commerce-central.halowerk.com/v1/cz/precontract-information",
"serviceName": "HALOWERK EU Commerce Central",
"tags": [
"eu-commerce",
"country-rule",
"precontract",
"cz",
"precontract-information"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Check the declared presence of core trader, product, price, delivery and cancellation information. This service is distinct for Czechia: it returns the national authority, official legislation portal, language set and jurisdiction-specific implementation review conditions."
}What the leaf hashes
{"body":"ca7d683bb761bda690a779b604396660f6478a1f3ca96f1ac84e17a59ca211b3","id":2204029,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646897075225,"prev":null,"subject":"x402_bazaar:https://commerce-central.halowerk.com/v1/cz/precontract-information","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).
- 0xba86f53694e57403b31d7952cad768247c9517f1a642e4c4a46e84b163fc7299
- 0xf7b4be4946b177b96761b6165b657897427e4e496c6d10fb1d013ce72e252299
- 0x4afc5c83a4634a8cdd6d3933bbc656e279a98f691f0ed04b17e41e214ea56476
- 0x4a6ce13f55232d3114e6c858d482257f1d33b910526157605a4b66b889bb101c
- 0x2843a0d8fbb32415b72c59d1455b542405f44643853298d48d3f200a57eb2018
- 0x2c5310adbcc95f3720cfa7064514db09095e217ae48df0c79f61125faa75acd8
- 0x769cb3a4cc02db362334ec0568129b89e5004e82a62c724ff340400e1110ff91
- 0x3998f44fe7ddb3b9500c5eb5f95e5f5dc62dda397b8f3c925f23a8d09690366a
- 0x0f4e4a1ab46dd81fbf233ca453e113e6aaecd8de101571b3bee05bf79bc61363
- 0xac548f461241ed0910811ead9ba68fe6974037f4d14bfd7a409f8344a3d79da0
- 0xa95c073d146a1b4c0107d67769e98523c349b5346d93deb0a471de6821234c46
- 0x83d46cc9a78a5c717b4bb87ce4b38231f8d8a40ecf7e32a81f31d861b83a0b87
- 0x626fb5c7d656fa8c4ab162a898cfff0f195757f6cb547860059c20e431ef93c9
- 0xc1d961be09ff84253ce4ecf4b141b3c25631ce9eb1cc0a3197e5d83d03240ee4
- 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
- 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af