← The evidence ledger
Evidence row 121875
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://stack.halowerk.com/stack/articles/paypal
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cff0a4cf30884b8fc9b4e06027e036ce9eaafac413ecc21cc808ae1f871e9e7c
- Leaf
- 0x442651fcc4ad7c9b6cf7c4d331dcb77527c7795f382b70372fdd09b2df043989
What was observed
{
"endpoints": [
[
"x402",
"https://stack.halowerk.com/stack/articles/paypal"
]
],
"name": "Tech Detect",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "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",
"scheme": "exact"
}
],
"description": "Purpose-bound PayPal observation (payment) using the existing fresh Stack-Monitor. Returns stack_paypal_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s timeout.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"url": "https://example.com/"
},
"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": {
"previous": {
"additionalProperties": false,
"properties": {
"observed_at": {
"maxLength": 40,
"type": "string"
},
"technologies": {
"items": {
"additionalProperties": false,
"properties": {
"category": {
"maxLength": 80,
"type": "string"
},
"name": {
"maxLength": 150,
"type": "string"
},
"version": {
"maxLength": 80,
"type": [
"string",
"null"
]
}
},
"required": [
"name",
"category",
"version"
],
"type": "object"
},
"maxItems": 150,
"type": "array"
}
},
"required": [
"observed_at",
"technologies"
],
"type": "object"
},
"url": {
"maxLength": 2048,
"type": "string"
}
},
"required": [
"url"
],
"title": "PayPal fingerprint monitor input",
"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": "2026-10-14T15:48:55.247Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-14T15:48:54.826Z"
},
"resource": "https://stack.halowerk.com/stack/articles/paypal",
"serviceName": "Tech Detect",
"tags": [
"x402",
"halowerk",
"stack_paypal"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Purpose-bound PayPal observation (payment) using the existing fresh Stack-Monitor. Returns stack_paypal_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s timeout."
}What the leaf hashes
{"body":"cff0a4cf30884b8fc9b4e06027e036ce9eaafac413ecc21cc808ae1f871e9e7c","id":121875,"kind":"listing","method":"baseline/1","observed_us":1793025620604533,"prev":null,"subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/paypal","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).
- 0x44266b646c4ec0c147827081f9ef28dcc5fd3e0d68a299263db1c88b6d115663
- 0x8adc84ef8ef8fa3d92bee3cce844388df5ec0e38e565857ac984b57d2a70ea0d
- 0x3c69ecd85c03a7ca921273b82a54478cf1b06ef47a21e85dbfed2baec1f653b0
- 0x16dc014c637f98f4a85f519ea4f4bbca0ecb801204fedfcedd8154a92028bf42
- 0xe8a47e5b16da213e554287b78d3e6eb1829f3c7d18fb57d5bd3a416765b2c23e
- 0x94bcf634187159273a5ad6cf69d8311fc6952343b48912d0292b4efc2d84cffa
- 0xd50989763f149f096dc9fb4a00da67e4d5736910616bdc37ae62d55f0f2c4990
- 0xf3687b1d2907f5d326aeff32ad5d3ac98030cba8d7bec5f3fe39a1b50c74d8b5
- 0xed542950b565016c140fea1a5a59ad7209cb543cf9c3e9a99627d9c927d5e33e
- 0x1dc09c8e92168e3a1cdf1a0e953982ca9207934a0dfce256095416cf4102fbce
- 0x60b91f773fa3c91ef752edc3e72b14aec43590de73fb46a458b7100f8e74b4a7
- 0x2b1b47804e83988d7fd5ed8179b2334f3f43b318109b54142f6c6bd749076f9e
- 0x54b29089c0a3cbbd6ddbe58944696110984dd5f418275cb1b77f957c56da8eab
- 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
- 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae