← The evidence ledger
Evidence row 2203279
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://zutritt.halowerk.com/v1/pruef/zutritt/kontrast/link
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1d39750675a951dc52ba6a739fa705cdc998e33dbbe8d0812e3827b8841da052
- Leaf
- 0xd0d070a6834d83e746ec613a63e6138c47643fac04dc4775aeffbee4c8b04127
What was observed
{
"endpoints": [
[
"x402",
"https://zutritt.halowerk.com/v1/pruef/zutritt/kontrast/link"
]
],
"name": "HALOWERK zutritt",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Prüft am Objekt link den Befund gemessenes Kontrastverhältnis.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"ziel": "https://example.com/"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"einheit": "Verhältnis",
"kontrastverhaeltnis": 7,
"meta": {
"hinweis": null,
"methode": "sRGB-Kontrast von Textfarbe gegen opaken CSS-Hintergrund; Bilder/Gradienten ausgeschlossen",
"objektart": "link",
"partial": false
}
},
"type": "json"
}
},
"routeTemplate": "/v1/pruef/zutritt/kontrast/link",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"ziel": {
"oneOf": [
{
"description": "Öffentliche HTTP(S)-Adresse; bei DNS-Befunden Domain oder öffentliche IP.",
"maxLength": 2048,
"minLength": 1,
"type": "string"
},
{
"additionalProperties": false,
"properties": {
"adresse": {
"maxLength": 2048,
"minLength": 1,
"type": "string"
},
"dkim_selektor": {
"pattern": "^[A-Za-z0-9_-]{1,63}$",
"type": "string"
},
"selektor": {
"description": "CSS-Selektor: genau ein Objekt, sonst erster Treffer des Objektfilters.",
"maxLength": 240,
"minLength": 1,
"type": "string"
},
"user_agent": {
"pattern": "^[A-Za-z0-9_-]{1,80}$",
"type": "string"
},
"vergleich": {
"description": "Öffentliche Vergleichsadresse für Link-, Sitemap- oder Sprachbefunde.",
"maxLength": 2048,
"type": "string"
}
},
"required": [
"adresse"
],
"type": "object"
}
]
}
},
"required": [
"ziel"
],
"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": {
"additionalProperties": false,
"properties": {
"einheit": {
"const": "Verhältnis",
"type": "string"
},
"kontrastverhaeltnis": {
"type": [
"number",
"null"
]
},
"meta": {
"additionalProperties": false,
"properties": {
"hinweis": {
"type": [
"string",
"null"
]
},
"methode": {
"type": "string"
},
"objektart": {
"const": "link",
"type": "string"
},
"partial": {
"type": "boolean"
}
},
"required": [
"partial",
"methode",
"hinweis",
"objektart"
],
"type": "object"
}
},
"required": [
"kontrastverhaeltnis",
"einheit",
"meta"
],
"type": "object"
},
"type": {
"const": "json"
}
},
"required": [
"type",
"example"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T15:23:06.548Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T15:23:06.358Z"
},
"resource": "https://zutritt.halowerk.com/v1/pruef/zutritt/kontrast/link",
"serviceName": "HALOWERK zutritt",
"tags": [
"zutritt",
"kontrast"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Prüft am Objekt link den Befund gemessenes Kontrastverhältnis."
}What the leaf hashes
{"body":"1d39750675a951dc52ba6a739fa705cdc998e33dbbe8d0812e3827b8841da052","id":2203279,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646883489232,"prev":null,"subject":"x402_bazaar:https://zutritt.halowerk.com/v1/pruef/zutritt/kontrast/link","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).
- 0xd0d07dbb7bca5d6960a59e70c6f5d63e88007c93d7458518f9b1412239d6ce0d
- 0x1ad485085c55df931a6bf1d6a2e7aea973b38d9a6efdddbaf76162ef17c2eb4d
- 0x22a710ed1b3a9fba74ac70e7daed8c014f123d2d6409a6cafb12fa9914d3b125
- 0xc7bed5d70555987bcb64f8ad37528fb1fb2128d0297313620848a8ea2c14f7a3
- 0x5890ae7b81f756084e39ba1c905d2437d8abd784d74150265ef4f367ce5baf08
- 0x46f5c8de81f9a9e1ad559da7e4433db45ffe8ca34d949e785762f3f2abaa25f1
- 0x3c0352754a3235e1cc7e5f9f1e5aa9f837ad770fcbfb4d0b9a31b52ab3528a3c
- 0xbfbd741ee3a9b829bcd02d8d104f2ebad84f0b356304e3a49f756b71b48793ed
- 0x5a26fa093261b0260df3d00b69600364328234f013a270b0bcf1594b1f5db15c
- 0xe18d7fda59a62e56f3970f34d183f7f1e53c2b61a421dc0f89747a6832d503f6
- 0xf4f0bdffa09557163bd0c1a2f760dd973e0d833f8456d05fe3eda1f4511efa03
- 0x6c6cb72d745b4a8ad150be4760c8154b49f6ad35e9d44abb2daa660451d19280
- 0xc68903bc934de8372c6b911a71856ad742aaac2d4b2de9ce90e84a085da4373d
- 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
- 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
- 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af