← The evidence ledger
Evidence row 75794
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://geometry.openverbs.com/v1/distance
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 396ea043e20e118fe6c1da84c98b08de46796ed11141f51a9714afe177db70e4
- Leaf
- 0x9e8507593bbd28e9e3d2a3d2d506a44eb2085428c923a869e64e4fd7a61785de
What was observed
{
"endpoints": [
[
"x402",
"https://geometry.openverbs.com/v1/distance"
]
],
"name": "Point distance",
"owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
"scheme": "exact"
}
],
"description": "Euclidean, Manhattan and Chebyshev distance between two 2-D points.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"from": [
1,
1
],
"to": [
1,
1
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"from": {
"description": "Start point [x, y].",
"items": {
"type": "number"
},
"maxItems": 2,
"minItems": 2,
"type": "array"
},
"to": {
"description": "End point [x, y].",
"items": {
"type": "number"
},
"maxItems": 2,
"minItems": 2,
"type": "array"
}
},
"required": [
"from",
"to"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-08T05:38:34.372Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T05:38:34.082Z"
},
"resource": "https://geometry.openverbs.com/v1/distance",
"serviceName": "Point distance",
"tags": [
"point distance calculator",
"euclidean distance",
"manhattan distance",
"chebyshev distance",
"distance between points"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Euclidean, Manhattan and Chebyshev distance between two 2-D points."
}What the leaf hashes
{"body":"396ea043e20e118fe6c1da84c98b08de46796ed11141f51a9714afe177db70e4","id":75794,"kind":"listing","method":"baseline/1","observed_us":1793025491099286,"prev":null,"subject":"x402_bazaar:https://geometry.openverbs.com/v1/distance","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae