← The evidence ledger
Evidence row 2634038
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://baltikum.halowerk.com/v1/lt-soil-texture
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1e2a7a1aae7e74bab82d88495a39db63d48af54a3380d91dae2cb55011431cbc
- Leaf
- 0xd9e1b6febccc22040616e6cdc87fa81d807af16e303210438b35b260e815b839
What was observed
{
"endpoints": [
[
"x402",
"https://baltikum.halowerk.com/v1/lt-soil-texture"
]
],
"name": "HALOWERK Baltic Land",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "4000",
"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": "4000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "6pXwvPgqduMSx33GP8jiVCanpUhZZiPPyG784mNJ7q1Z",
"scheme": "exact"
}
],
"description": "USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Natural Earth boundary for Lithuania; results outside it are rejected before payment.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"latitude": 54.6872,
"longitude": 25.2797
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"authoritative_status": "preliminary_non_binding",
"category": "country",
"charged": false,
"checked_at": "2026-10-23T02:05:21.615Z",
"confidence": 0.73,
"confidence_method": "Conservative minimum source-family basel",
"data_date": "2020-05-01T00:00:00.000Z",
"evidence_classification": "derived_from_open_geodata",
"generated_at": "2026-10-23T02:05:21.615Z",
"result": "measurement_available",
"risk_level": "not_applicable",
"service": "lt-soil-texture",
"service_id": "eli-0194",
"status": "success",
"summary": "Lithuania: Topsoil texture class: source"
},
"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": "2026-11-02T17:29:29.554Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T17:29:29.311Z"
},
"resource": "https://baltikum.halowerk.com/v1/lt-soil-texture",
"serviceName": "HALOWERK Baltic Land",
"tags": [
"land",
"europe",
"country",
"lt",
"soil-texture"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "USDA texture class calculated from SoilGrids sand, silt and clay fractions. The coordinate is validated against the Natural Earth boundary for Lithuania; results outside it are rejected before payment."
}What the leaf hashes
{"body":"1e2a7a1aae7e74bab82d88495a39db63d48af54a3380d91dae2cb55011431cbc","id":2634038,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734485600399,"prev":null,"subject":"x402_bazaar:https://baltikum.halowerk.com/v1/lt-soil-texture","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0xd9e1b2e899ef3e835ec5192c5f52c952f812e66c09d8413adb0f80d8fdfd0cb8
- 0xe431aa418ec732f6a5aa2682cf2d13415fd742097ab29aab9f78a5a4006dd32d
- 0xf37de3bd10368d04208a00f90ab2db000c1a2661decc59e82f8d8251107b12c3
- 0x1c76a42ba529ea87a9837689674b5eb2ef92a4ecb3899595a0e1be4adc10446d
- 0xd5bb177a844269f2e152664fbef4c950074b9169ea3cdeba565754a81b4ffd1d
- 0x83764b185755eb3e8b1d386e3bf5922996ee6ec97643cbc78ae178f8b0e70f01
- 0xfe20b148e2a64b5064b6ffed16f31e3892cab5d0a1edaf2ed6309774e388d1a8
- 0x81f08fd98c0d4d079a0381932767998376937f68ac3dd902e4906193ebe73cd3
- 0xb75194fb0be1190e8b40aeceaf5ae5bac4928ec584bcbead7265dd4054f72c44
- 0x661b9d52b9162a7d8761d18a66c6b740bc60915d6e7a7102f322591aca565e70
- 0x5dd8fc875a8b23b0f9572c9c6cb4f4843ae5b16f63d90ea0008ced03149f10b4
- 0x48e5af95f9eb80bba4fbc0a698a6f7e78f9b400ee2c3eb0be1c4c5bb86394956
- 0x18e08ad394067093dae6bbbe34056f7bb1c1d5e741eeb914e13018528f512324
- 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
- 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
- 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
- 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
- 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7