← The evidence ledger
Evidence row 121845
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://stack.halowerk.com/stack/articles/google-fonts
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1626eb670bde38d7f4ff0809b201c712a58b1a675477136a48d42797f1be0c3c
- Leaf
- 0x47b61d676ff86366e97a97e9d702a96348be49f3b2c4794306b71c10a53d7297
What was observed
{
"endpoints": [
[
"x402",
"https://stack.halowerk.com/stack/articles/google-fonts"
]
],
"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 Google Fonts observation (fonts) using the existing fresh Stack-Monitor. Returns stack_google_fonts_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 timeou",
"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": "Google Fonts 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": "2026-10-14T16:23:59.705Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-14T16:23:59.478Z"
},
"resource": "https://stack.halowerk.com/stack/articles/google-fonts",
"serviceName": "Tech Detect",
"tags": [
"x402",
"halowerk",
"stack_google_fonts"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Purpose-bound Google Fonts observation (fonts) using the existing fresh Stack-Monitor. Returns stack_google_fonts_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 timeou"
}What the leaf hashes
{"body":"1626eb670bde38d7f4ff0809b201c712a58b1a675477136a48d42797f1be0c3c","id":121845,"kind":"listing","method":"baseline/1","observed_us":1793025620571151,"prev":null,"subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/google-fonts","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).
- 0x47b6365129febb613cb374e0fabf1e32675af64a9310c2a4908e92ca966dc83e
- 0x038181fd3ff1f5d9c961701354a2898c68e95f99515111eb3cba70134535c599
- 0xfc15d622caad15d9f37fad4b4f7803b957541bd2ebd658cd1c74e05b5328fa18
- 0x141ab41df47159cd5468f8a879e370e5ce1f5e273522d0b5d8565389f22e016b
- 0xf52795523ff681756ec2d0c7921525fe313e6b48f3692e1af84ee3ffd73ea5b6
- 0x538faf6d6982fe51125cd98cbdc011b4dfc3dbc7bf32ec5bd8cdb9dcbf1c8a9a
- 0x846a3fa09b57a0d038f5ee0906505c656f538926031bd81afc958e5f1d42c5dc
- 0x6754f8d808e824d9b00a10cf3ab2375ccc5ede502b1993e7cc096a80d4e23b65
- 0xf02d809f1bfb0c9c066592febb7be763756e0e3c85b36321e582d37336797b8c
- 0x67d81f51788e4acdc8f36ca9346a133b005814670585625cf73534b4509e188a
- 0x263cc8bcddc70acc00ef06b84397a006a822410dc2b18b714a0be72a820c5b17
- 0xae3550e71ca4b0f0b86c9905b234388d6bc01a22e52324fb1ee62a553273a1fe
- 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
- 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae