← The evidence ledger
Evidence row 2205244
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://landvergleich.halowerk.com/v1/local-background-deviation-ruggedness
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2b4fc1750a3dff77165b4cc4dc3f417046526455cb2183f89469c820a27ffb62
- Leaf
- 0x52aa035ba20d2b1cfe1429eb68c4598f62fd8bd7e5826470219825ca5014d725
What was observed
{
"endpoints": [
[
"x402",
"https://landvergleich.halowerk.com/v1/local-background-deviation-ruggedness"
]
],
"name": "HALOWERK Land Compare",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "8000",
"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"
},
{
"amount": "8000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6pXwvPgqduMSx33GP8jiVCanpUhZZiPPyG784mNJ7q1Z",
"scheme": "exact"
}
],
"description": "Compares the 60 metre site measurement for terrain ruggedness with a 1,000 metre local background measured from the same source and reports the deviation.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"latitude": 51.9,
"longitude": 7.1
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"latitude": {
"description": "WGS84 latitude inside the published European coverage.",
"maximum": 72.5,
"minimum": 34,
"type": "number"
},
"longitude": {
"description": "WGS84 longitude inside the published European coverage.",
"maximum": 40.5,
"minimum": -31.5,
"type": "number"
}
},
"required": [
"longitude",
"latitude"
],
"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"
}
},
"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": "2026-11-02T16:58:36.036Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T16:58:35.55Z"
},
"resource": "https://landvergleich.halowerk.com/v1/local-background-deviation-ruggedness",
"serviceName": "HALOWERK Land Compare",
"tags": [
"land",
"europe",
"change",
"ruggedness"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Compares the 60 metre site measurement for terrain ruggedness with a 1,000 metre local background measured from the same source and reports the deviation."
}What the leaf hashes
{"body":"2b4fc1750a3dff77165b4cc4dc3f417046526455cb2183f89469c820a27ffb62","id":2205244,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646957473642,"prev":null,"subject":"x402_bazaar:https://landvergleich.halowerk.com/v1/local-background-deviation-ruggedness","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).
- 0x52a9e77dcbb88e1c8baa4d8c893108c7110292ac8ea7dd75e77052eb92864317
- 0x63b85ecb992a8832fab1781a769bed44f663b48ed7a7f64d986deff1f40accc4
- 0x71a4a81f1af2ac379c0b0013b95fc463f38458a8d9a1a4e0fd92159bed1ecb5f
- 0x22e814601a26f0489f16da240056f32ec0bcd4d0383c735e0235425e0d240cc9
- 0x82be7e71d38e2e41251ff404fca5f1b3ff3f2e85f1bb9834b2a0aa82af660aac
- 0x96ceb25e3cb16c5293774a28130ac13dc73e2d717015d3e96518c389ba370a3c
- 0x1abaf29c87c231f2b88a15491fc236dca77e4da5163cb94f725e391eeac54ff5
- 0xccf29f9e34caf7fef4cf39e203bfd92b360b29aef6a8935868222cab30025556
- 0x42df1dda10a9620401b90d749851679bcbc0b3edaf03f64c647915ebe93fc94a
- 0xd907dc4def928387e6e0b1c7979ff3736b37c0c96689f5618b46e9d7aab59ff0
- 0xf3842ec1d284b8dd3e855c5753327f72acb17d14a34c74476e1548a808165dcc
- 0x72adf61d2802939b48d74a549823053f636277c76140db963cda7bbd192a3539
- 0x1af6bd9d49aa04d9f41d673388facaaa9e6daacb0aa9aad0dcf31353556f6ee6
- 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
- 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
- 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af