← The evidence ledger
Evidence row 121883
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://stack.halowerk.com/stack/articles/recaptcha
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 556841925a4861e434316e431f2a36fdf0d575d6a62032f6793db6956e925ff5
- Leaf
- 0x1e5c2ce47f69427fc5190ba20a2fe890a8f6de47e9d99a2a3b0b7bfad5bd6bd7
What was observed
{
"endpoints": [
[
"x402",
"https://stack.halowerk.com/stack/articles/recaptcha"
]
],
"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 reCAPTCHA observation (security) using the existing fresh Stack-Monitor. Returns stack_recaptcha_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 ti",
"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 reCAPTCHA 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": "2026-10-14T15:34:09.046Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-14T15:34:08.834Z"
},
"resource": "https://stack.halowerk.com/stack/articles/recaptcha",
"serviceName": "Tech Detect",
"tags": [
"x402",
"halowerk",
"stack_recaptcha"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Purpose-bound Google reCAPTCHA observation (security) using the existing fresh Stack-Monitor. Returns stack_recaptcha_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 ti"
}What the leaf hashes
{"body":"556841925a4861e434316e431f2a36fdf0d575d6a62032f6793db6956e925ff5","id":121883,"kind":"listing","method":"baseline/1","observed_us":1793025620617222,"prev":null,"subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/recaptcha","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).
- 0x1e5c2e3f61a033bd342a0c8f98dd20f7ccf8c83cfc6fd6df850dcd38805591a1
- 0xdd9261f29f8acea033add705676d95dac9ebaf2b782faacd85de2f3cb05249cc
- 0x420ddb0842b0a49bdf00163cb58e55894ce2a1f14958f6fc0b779a907fb242c0
- 0xfa59cc24e994ca2991a70a0d0919aad2e228fb81b3a123f7be42870a2b29ec52
- 0x6499910b7089d68aab3d2d3de8c90ec50242543d76f30151659fc3fbe214657a
- 0x65d00d3db3216a45e89b24b73a05b3f071f9509885ab0e20dbca8ed6c61d30d5
- 0x2a066db4dda2795feb74b1f7621572664c0ee0e614fb750f40c276400b38f498
- 0x83228466b2d6c618a2ccaa0cf21ce94ccb4c45a1335fdcdcf639f1348ee16e5c
- 0x8518769c1908e5f9f79d195e320b5d4ba7855d354966f8cb8aec4353eaf8785d
- 0x4d2aba33e7e89002d03246762c55699d2d86e41f6cf4b5863558950cb1a7cb50
- 0x3e9f4dee30700b7fef683685ce6c4e483a5869ff14413228fe9abfbaa1a7cd3c
- 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
- 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
- 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
- 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae