← The evidence ledger
Evidence row 2205242
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://landvergleich.halowerk.com/v1/rank-sites-aspect
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4d050b807229254c8cc16abc09adc465e24180956b4bf30d508107b5d3df1616
- Leaf
- 0x9401fac15f380fa952033ce66e6d8ee3b95cac587042fbc5a4895643ea05ec9f
What was observed
{
"endpoints": [
[
"x402",
"https://landvergleich.halowerk.com/v1/rank-sites-aspect"
]
],
"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": "Measures dominant aspect for two to ten named European sites and ranks the observed values with ties preserved.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"locations": [
{
"latitude": 51.9,
"longitude": 7.1,
"name": "A"
},
{
"latitude": 51.95,
"longitude": 7.2,
"name": "B"
}
]
},
"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": {
"locations": {
"items": {
"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"
},
"name": {
"maxLength": 60,
"minLength": 1,
"type": "string"
}
},
"required": [
"longitude",
"latitude"
],
"type": "object"
},
"maxItems": 10,
"minItems": 2,
"type": "array"
}
},
"required": [
"locations"
],
"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": "2026-11-02T16:59:19.937Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T16:59:19.7Z"
},
"resource": "https://landvergleich.halowerk.com/v1/rank-sites-aspect",
"serviceName": "HALOWERK Land Compare",
"tags": [
"land",
"europe",
"comparison",
"aspect"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Measures dominant aspect for two to ten named European sites and ranks the observed values with ties preserved."
}What the leaf hashes
{"body":"4d050b807229254c8cc16abc09adc465e24180956b4bf30d508107b5d3df1616","id":2205242,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646957467485,"prev":null,"subject":"x402_bazaar:https://landvergleich.halowerk.com/v1/rank-sites-aspect","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).
- 0x9402492b6b91f9b933ee7a57e133ec3025822a98e851f3d27d9723f0c68be781
- 0xc56c70b53e75c9b3245dbcd94f1cf2f38126f57420d5c3f2f8bf5367b6f982ac
- 0xcfc4427fbaa83c7046592d239d285668e50354201406eda4ebcb164f5e4e78d6
- 0x452fe7a5795f56a95ab928b0c14591f6847978720c5ec09faebb10f3460f95a1
- 0xb183a2c697306e644ae0ede407bb5f16db0cc4bd3e1a87e28014cfbc7faa8198
- 0xf2b5b51b81613770c9fea94c25e0a74aa6816197305c5e438ac5a50de243c6ad
- 0x1d0ea9d9851877199cf771a8ca52b3131b24fa996f9a493f35362062390b82e8
- 0xdaf6e457ee629e15bd9b02fdbf5c80041fb9e2fadd6f024c26902dee8b906ff7
- 0x2fc1b4ccd72fba2ddb89cebcbdb052b8f05130ca658e6ba4fcab44ec2ba9c446
- 0x52e8b114c280e7bfcef8db2c4326492137b32aa83d5a988e3ee315a28837f3a3
- 0x70c2da3fe33ab36b2a6d849296a1210a38a28725ab16642db7e8f6c31012e505
- 0xea6f93175048cf85d24408769c79295ffeeaf7c9deac709218a5ca018c0181b0
- 0xa17f6a1bac5d26cc57d2e02b81d6f7d4d897fa15d99d32d506b3ff7cbcfd9c03
- 0xece99d4dfafa93913edbe131eb22b3d7ab2648b58b5bd9dcd361be4f8953b107
- 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af