← The evidence ledger
Evidence row 125281
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402-gateway-production-1f21.up.railway.app/change
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6347cf15e3232dbfb724f278c7c65e998514d1afefcf850589931f22f3d6d43e
- Leaf
- 0xe2386ecde8439effacd1bc3d77223c9c1b3bd91ecb383364fcdd58ad9f328425
What was observed
{
"endpoints": [
[
"x402",
"https://x402-gateway-production-1f21.up.railway.app/change"
]
],
"name": "Industrial Platform Web Tools",
"owner_address": "0xf7eb4b12d673df433d76b2dbd9ca41db3fe1836e",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 90,
"network": "eip155:8453",
"payTo": "0xF7Eb4b12D673dF433d76B2DBD9CA41Db3fE1836E",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"minDeposit": "10000",
"name": "USD Coin",
"receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
"version": "2",
"withdrawDelay": 900
},
"maxTimeoutSeconds": 90,
"network": "eip155:8453",
"payTo": "0xF7Eb4b12D673dF433d76B2DBD9CA41Db3fE1836E",
"scheme": "batch-settlement"
}
],
"description": "Detect whether a webpage changed. Website change detection and recurring webpage monitoring for price changes, inventory changes, availability changes, documentation updates, policy updates and competitor monitoring. Compare current content with previous_hash or previous_text and return current_hash plus deterministic change status and diffs.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"include_current_text": false,
"url": "https://example.com/"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"comparison_status": "baseline",
"current_hash": "example",
"status": "ready",
"url": "https://example.com/"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"ignore_selectors": {
"items": {
"type": "string"
},
"type": "array"
},
"include_current_text": {
"type": "boolean"
},
"max_diff_chars": {
"maximum": 50000,
"minimum": 1000,
"type": "integer"
},
"max_text_chars": {
"maximum": 250000,
"minimum": 1000,
"type": "integer"
},
"previous_hash": {
"type": "string"
},
"previous_text": {
"type": "string"
},
"selector": {
"type": "string"
},
"timeout_seconds": {
"maximum": 60,
"minimum": 5,
"type": "integer"
},
"url": {
"format": "uri",
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T21:57:24.966Z",
"quality": {
"l30DaysTotalCalls": 7,
"l30DaysUniquePayers": 5,
"lastCalledAt": "2026-10-25T21:57:24.766Z"
},
"resource": "https://x402-gateway-production-1f21.up.railway.app/change",
"serviceName": "Industrial Platform Web Tools",
"tags": [
"detect webpage changed",
"website change detection",
"webpage monitoring",
"monitor webpage changes",
"price monitoring"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Detect whether a webpage changed. Website change detection and recurring webpage monitoring for price changes, inventory changes, availability changes, documentation updates, policy updates and competitor monitoring. Compare current content with previous_hash or previous_text and return current_hash plus deterministic change status and diffs."
}What the leaf hashes
{"body":"6347cf15e3232dbfb724f278c7c65e998514d1afefcf850589931f22f3d6d43e","id":125281,"kind":"listing","method":"baseline/1","observed_us":1793025626026157,"prev":null,"subject":"x402_bazaar:https://x402-gateway-production-1f21.up.railway.app/change","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).
- 0xe237283e17a8fb79a5ce16db4544d970f831716eaad470d4358ec3a6a50fd308
- 0xb74f34b5a7eafdfa35f863e4d277f0c9c1249591df02b20df9129bed06df1488
- 0x9e7965130a4290e0da489206a0b3efc7df30bc3a7d9aea0733d2869b57140578
- 0x5b346d1ba575cc0ff1a7a2379d4dd3d01444f85a3f98ae5e4db6a371b2e2b581
- 0x76a99f3bbd70d35632a4f56dce461d7671a4922d561d4f041ae55dcdccec3c01
- 0x8570abff82b5ac3e21044814edfc6aa1d79bc2f1da5901c5bbb88d1f8912b0d6
- 0x1652a2a0f0c041e9f2dc84ac4d6b6f6567f8d9c07ad03a1e8699541b99cf54e5
- 0x9368a14d095d697ccf49932f5c2f580249e67bd1abc60c8493835b4e991beb48
- 0x1ebb75e1e74e6aa229895adbd115e41bc509e6894f964f86fff0a88dd05ba618
- 0x49d720e73d446e1def3567153233c121c2d3097da1088aec52da97cc45a1a260
- 0xce35ce45ef8f8ea3dfabeeed3d2069f34fb82c77d0d8f31e3429b7d6deb0a351
- 0x714c96bd488ccf4af927c8bc83397404f7f6f1b165b622d0e8216290209825e4
- 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
- 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae