← The evidence ledger
Evidence row 76365
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://http--forest-gas-station--lcjl27p8lmjs.code.run/commerce/changed
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 05d30ab7137d8bde76b004eb99cda197c249519d9dd787286183dcd6caa02639
- Leaf
- 0x928bd9d6871ac6bb54b8d2cf8ab2a06f23584462773de0347cba282221ecf878
What was observed
{
"endpoints": [
[
"x402",
"https://http--forest-gas-station--lcjl27p8lmjs.code.run/commerce/changed"
]
],
"name": "Forest Gas Station",
"owner_address": "0xf9c2a7255e7c51d7bf38331dcfc23ba881cf61ba",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:84532",
"payTo": "0xf9c2a7255E7C51D7BF38331DcFC23Ba881cF61Ba",
"scheme": "exact"
}
],
"description": "Cheaply detect material public product changes in price, availability, selected variant or seller using a deterministic hash. Timestamps, images and analytics noise are excluded.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"previous_hash": "sha256:0000000000000000000000000000000000000000000000000000000000000000",
"url": "https://shop.example/products/widget"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"capability": "commerce.changed",
"data": {
"changed": false,
"changed_fields": [],
"current_summary": {},
"new_hash": "example",
"previous_hash": "example"
},
"meta": {
"cache": "miss",
"checked_at": "2026-01-01T00:00:00.000Z",
"duration_ms": 0,
"provider": "state-hash"
},
"ok": true,
"version": "1"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"previous_hash": {
"pattern": "^sha256:[a-f0-9]{64}$",
"type": "string"
},
"url": {
"maxLength": 2048,
"pattern": "^https?://",
"type": "string"
}
},
"required": [
"url"
],
"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"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"capability": {
"const": "commerce.changed"
},
"data": {
"additionalProperties": false,
"properties": {
"changed": {
"type": [
"boolean",
"null"
]
},
"changed_fields": {
"type": "array"
},
"current_summary": {
"additionalProperties": true,
"type": "object"
},
"new_hash": {
"type": "string"
},
"previous_hash": {
"type": [
"string",
"null"
]
}
},
"required": [
"changed",
"previous_hash",
"new_hash",
"changed_fields",
"current_summary"
],
"type": "object"
},
"meta": {
"additionalProperties": false,
"properties": {
"cache": {
"enum": [
"hit",
"miss",
"bypass"
]
},
"checked_at": {
"type": "string"
},
"duration_ms": {
"minimum": 0,
"type": "integer"
},
"provider": {
"type": [
"string",
"null"
]
}
},
"required": [
"provider",
"checked_at",
"cache",
"duration_ms"
],
"type": "object"
},
"ok": {
"const": true
},
"version": {
"const": "1"
}
},
"required": [
"ok",
"capability",
"version",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-09-27T12:00:26.455Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-09-27T12:00:26.285Z"
},
"resource": "https://http--forest-gas-station--lcjl27p8lmjs.code.run/commerce/changed",
"serviceName": "Forest Gas Station",
"tags": [
"factory",
"testnet"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Cheaply detect material public product changes in price, availability, selected variant or seller using a deterministic hash. Timestamps, images and analytics noise are excluded."
}What the leaf hashes
{"body":"05d30ab7137d8bde76b004eb99cda197c249519d9dd787286183dcd6caa02639","id":76365,"kind":"listing","method":"baseline/1","observed_us":1793025492182626,"prev":null,"subject":"x402_bazaar:https://http--forest-gas-station--lcjl27p8lmjs.code.run/commerce/changed","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).
- 0x928b2fea4b566f3208c925561c5da1d0a3d791f5d970d349aa34cadfed804ea8
- 0x84f9942956e7b695988439da911b59e84cee1b7c549f393775dc004dd9814945
- 0x6f369d0d359f009d0aba3ced6ef211cd2b81593c62e3c7c3eb0475ee43396888
- 0x93775a21044d35c0c29f21d276618fd257ec760830ef8b9bef3322cf6de32924
- 0x93db1147bf8c2c7df8f1c3f8a50ff674e0f70de247887ba46d95e85c8ff541b3
- 0x86c37e671544cecb0510ac01e1322d6a7cae683859084de7d0bd0b93e255b3f6
- 0xd2018c8acfb5dedfdbf13e1c6ef3736f45553da8ce1bc91274448f44c7c5ea62
- 0x9a8f365c9ada4c4fbefc51e28dd0f0b441e3aba3828b296ec0287a6c01fc9eb5
- 0x0c136dfcc1f943282b0084289338ad92a791a3ef38b386ba57b7a931b20edfcf
- 0x8a45c6c1da5d073416437d0946f0ab55916b463036f2f88da85a39961d6874d8
- 0xdcd590752acb338329aec3087ddc69ef4b8fcbe0bb91a9b8e37e17c10a9dfe92
- 0x3b55f6d5345bce3e1332e014f19526d25328fb6283d3518837a015c3621c0d1c
- 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
- 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae