← The evidence ledger
Evidence row 2253768
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://commerce-central.halowerk.com/v1/hu/price-reduction-30-day
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6924e7cd274876c2016eb73aba56ffead5fabbbb9bcd02d9a6302e1b7b8dd01a
- Leaf
- 0x507e8a670d5643b90fe0986c94baa243ef77c4437d2ec70e5dc7d8f257e08bdc
What was observed
{
"endpoints": [
[
"x402",
"https://commerce-central.halowerk.com/v1/hu/price-reduction-30-day"
]
],
"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 whether a price reduction declares the lowest price applied during the prior 30 days. This service is distinct for Hungary: it returns the national authority, official legislation portal, language set and jurisdiction-specific implementation review conditions.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"customer_country": "HU",
"customer_type": "consumer",
"effective_date": "2026-09-04",
"product_category": "general_consumer_goods",
"product_value_eur": 49.9,
"seller_country": "HU",
"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.hu.price-reduction-30-day.v1",
"sources": [],
"status": "success",
"summary": "Deterministic example result for Hungary: Prior-price reduction rule; production output is derived from the submitted fa"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"agreed_delivery_days": {
"default": 30,
"maximum": 3650,
"minimum": 0,
"type": "integer"
},
"annual_cross_border_b2c_eur": {
"default": 0,
"maximum": 100000000000,
"minimum": 0,
"type": "number"
},
"contains_battery": {
"default": false,
"type": "boolean"
},
"customer_country": {
"const": "HU",
"type": "string"
},
"customer_type": {
"default": "consumer",
"enum": [
"consumer",
"business",
"unknown"
],
"type": "string"
},
"declared_fields": {
"default": [],
"items": {
"maxLength": 100,
"minLength": 1,
"type": "string"
},
"maxItems": 200,
"type": "array",
"uniqueItems": true
},
"effective_date": {
"description": "Date on which the commercial decision is evaluated (YYYY-MM-DD).",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"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.hu.price-reduction-30-day.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": "2026-11-02T17:29:39.539Z",
"quality": {
"lastCalledAt": "2026-11-02T17:29:39.539Z"
},
"resource": "https://commerce-central.halowerk.com/v1/hu/price-reduction-30-day",
"serviceName": "HALOWERK EU Commerce Central",
"tags": [
"eu-commerce",
"country-rule",
"price",
"hu",
"price-reduction-30-day"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Check whether a price reduction declares the lowest price applied during the prior 30 days. This service is distinct for Hungary: it returns the national authority, official legislation portal, language set and jurisdiction-specific implementation review conditions."
}What the leaf hashes
{"body":"6924e7cd274876c2016eb73aba56ffead5fabbbb9bcd02d9a6302e1b7b8dd01a","id":2253768,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647856035478,"prev":null,"subject":"x402_bazaar:https://commerce-central.halowerk.com/v1/hu/price-reduction-30-day","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).
- 0x507e652a06b572e6983a0987d168c8cdd936de9922bbd9df4b3496db69495669
- 0x7a3571fffd06817b4577ee762329e55f8f2d312793688be46881b84248a3c8bd
- 0x0726c390ea0c3259368f3185883302beeff1c5eebc176931438af70c25baa9ad
- 0x9b2ee2cf9283234a13e3474ac81bab6d4089829e8a39c6d8169e816ef3fecf62
- 0xe5e21dc3ef4cd4e6233c072213ac63b194c0eb13a7e0d6182ce2d264b2838094
- 0x3272d514bdbbfd63954b2cd127992a0f765e9e06813dcc00cb4a463ad90f2111
- 0x3f79c7cbb1b51e5c5133ece173aaeb71ecece03eb78a2c0c6880600078b71963
- 0x6934dfcec7850d6b14d5098d3ea290ec2cf8f2e0ff8be0b1bbfecda2c7a5fcfb
- 0x26b7e4c73b202ba5cb2c8e42615dd820fe80c7572f5bba396e5ca2c2775990ad
- 0xecad6aff66b316058dbf2e8bc92f14d8971935909e4ef5be724cc39b8a5575f1
- 0x3f5fffad2668ae3c9ceb042c4134cd873b781240805b82b02ea21269e35be287
- 0x35f84c0e4e28cd4a63c3ad6490420fe24bf67bba5f080e714a71d6cb0d991695
- 0x2f0e87a22fc6aaaa04d17a8f1c5dda340b8d3c208a1b8e26986aed7f54ec42a7
- 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
- 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
- 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af