← The evidence ledger
Evidence row 2204455
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://mitteleuropa.halowerk.com/v1/li-local-relief
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7da6b85d8d87406e0b5fbd8d254424d67e322c7b30a06bd497fd9e2573ac8910
- Leaf
- 0x2d8d8ca8b1a94a859f387b4bc969445716dafe386b5e1174428f1046282fa89e
What was observed
{
"endpoints": [
[
"x402",
"https://mitteleuropa.halowerk.com/v1/li-local-relief"
]
],
"name": "HALOWERK Central Land",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "3000",
"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": "3000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6pXwvPgqduMSx33GP8jiVCanpUhZZiPPyG784mNJ7q1Z",
"scheme": "exact"
}
],
"description": "Difference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Earth boundary for Liechtenstein; results outside it are rejected before payment.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"latitude": 47.141,
"longitude": 9.5209
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"authoritative_status": "preliminary_non_binding",
"category": "country",
"charged": false,
"checked_at": "2026-10-23T02:05:26.743Z",
"confidence": 0.87,
"confidence_method": "Conservative minimum source-family basel",
"data_date": "2015-12-31T23:59:59.000Z",
"evidence_classification": "derived_from_open_geodata",
"generated_at": "2026-10-23T02:05:26.743Z",
"result": "measurement_available",
"risk_level": "not_applicable",
"service": "li-local-relief",
"service_id": "eli-0481",
"status": "success",
"summary": "Liechtenstein: Local relief: source-back"
},
"type": "json"
}
},
"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"
},
"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": "2026-11-02T17:00:36.432Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T17:00:36.21Z"
},
"resource": "https://mitteleuropa.halowerk.com/v1/li-local-relief",
"serviceName": "HALOWERK Central Land",
"tags": [
"land",
"europe",
"country",
"li",
"local-relief"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Difference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Earth boundary for Liechtenstein; results outside it are rejected before payment."
}What the leaf hashes
{"body":"7da6b85d8d87406e0b5fbd8d254424d67e322c7b30a06bd497fd9e2573ac8910","id":2204455,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646905796167,"prev":null,"subject":"x402_bazaar:https://mitteleuropa.halowerk.com/v1/li-local-relief","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).
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- 0xf6c97d4163b19c9a31b27ebce9b1c44636c6febb5be638db2b0942365f48a5ac
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- 0xc9486482f668cc0fee42633718c4319bc1a6f382724b46e5871c544c265bf084
- 0x48dec55460968e9406749c8ff125668b1ef542c77e6814a25eecd78d6b0314f4
- 0x6e718efd49b187fb4388269948d79e7ffe2be9a42d24fc38f65df52cd6eb9577
- 0x2d9b2a13e67ca5f3273772562848fc238c5840f8adf206526cfd7a085f944567
- 0x0424f9bb4aa19d7480adab12cb3c7075e6b27ccf74dbb1f1a82302dd0875d245
- 0xc5fa3bd39b6f939ad2f07327b9e2f20fdd4cb88642ad0c5164de93ce1f6632b9
- 0xa91ee2c8873062997bf3829cf2d0948b6d4805e65a2e2257084a20696fd1bd25
- 0xf841c7290e13c2f19f6233e2749504226882012e0f94bbd35c3af3acb819872c
- 0x26d664b9a64503faf3758ae1668259d0b90ae74690be3dfcdbce789134ec2455
- 0xf1aa667ce80c3cfa851957b2154c374229551d079e3666ba4d1ea5e32bfbe79b
- 0x037a66c2ea899586d58b52761f6b950a97cda22bb80294e40013ebea171a684f
- 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
- 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af