← The evidence ledger
Evidence row 74369
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://e-commerce-price-monitoring-production.up.railway.app/v1/price/check
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7440df4464999028b3b6cf46253c7f4a537fa34e7245700a05c52f010aa848eb
- Leaf
- 0xc8b6b62f5c219d810320aef08e3d5b39295fdac59f5ed6e50d0f7f1a61caf3c5
What was observed
{
"endpoints": [
[
"x402",
"https://e-commerce-price-monitoring-production.up.railway.app/v1/price/check"
]
],
"name": "Price Watcher API",
"owner_address": "0xf7c645b7600fb6aae07fd0cf31112a7788be8f85",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xF7C645b7600Fb6Aae07Fd0Cf31112A7788BE8F85",
"scheme": "exact"
}
],
"description": "Real-time product price lookup from a public e-commerce product URL. Use for product price checks, price monitoring, price comparison, shopping agents, ecommerce research, retail workflows, deal finding, and target-price tracking.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"threshold": 20,
"url": "https://www.sephora.com/product/example-product"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"belowThreshold": true,
"currency": "USD",
"ok": true,
"price": 18,
"threshold": 20,
"title": "Example Product",
"url": "https://www.sephora.com/product/example-product"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"threshold": {
"description": "Optional target price. If provided, the response indicates whether the current product price is at or below this amount.",
"type": "number"
},
"url": {
"description": "Public e-commerce product page URL to inspect.",
"format": "uri",
"type": "string"
}
},
"required": [
"url"
]
},
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-17T08:19:52.933Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-17T08:19:52.72Z"
},
"resource": "https://e-commerce-price-monitoring-production.up.railway.app/v1/price/check",
"serviceName": "Price Watcher API",
"tags": [
"product-price",
"ecommerce",
"shopping",
"price-monitoring",
"retail"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Real-time product price lookup from a public e-commerce product URL. Use for product price checks, price monitoring, price comparison, shopping agents, ecommerce research, retail workflows, deal finding, and target-price tracking."
}What the leaf hashes
{"body":"7440df4464999028b3b6cf46253c7f4a537fa34e7245700a05c52f010aa848eb","id":74369,"kind":"listing","method":"baseline/1","observed_us":1793025488856783,"prev":null,"subject":"x402_bazaar:https://e-commerce-price-monitoring-production.up.railway.app/v1/price/check","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).
- 0xc8b78217ab2dfa88e0e53ace96f6f266742332810495135cc6c17935a65cbe5a
- 0xc08fb3240293d28ca670566b037ceb9a5ce6ed640f1aa164191338748124c7fd
- 0x86e3092076f13ea25c9a86899e9dcfe62a813bf9826b1013f6027f227a6a3271
- 0xd3d9713f032c306af0774fb33237c42e252b1a0dbb7fc6877ba9ccd57244d4fe
- 0x745044f87a0a7ae5914ed69b6a62b7f2665d2797dc5c543c6a48d703707ebf91
- 0xbd5f159019d0c2774d770647bcd9fe1378fe7c02d04446ffcf032bd4d15ebc8d
- 0xf0c2be8b987b3d2c5818545e02dbeda641640c2958d6b4d5c9e60284fd22f849
- 0x9caba09d4aed54a54d920204d7a23badd508a0883017d723f58f0750820cb1f8
- 0x1148a3536fbc4c6e4bca38b54eb0f7b8853df52207579c13e0b6efa25a2fe4cf
- 0x99b83a0d8096cc6e79ca10fec0381f61738bb5a26cb8d4668d93598ea82a302a
- 0xde080106ffe5b9071b2505ae31b17f7da4d3a9c7f4f4d9819f700d720702beeb
- 0xde09984239f27618a13932caf48f5d39831fc5021500b0581dce0dabd570bd6e
- 0x72e35aac89ebca631656c2b1aecbdc094807d9807f12c22a6ddf35cc1f5e21d6
- 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae