← The evidence ledger
Evidence row 121842
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://stack.halowerk.com/stack/articles/friendlycaptcha
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7e0b73eb7653e9d28ef4f7800abe1c43d8587c081352889ab12d3414b506ea70
- Leaf
- 0x7087d5bcdd0f7219bf150f4c1ad5799205485b5b966803f75a8f56cfcbf314d1
What was observed
{
"endpoints": [
[
"x402",
"https://stack.halowerk.com/stack/articles/friendlycaptcha"
]
],
"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 Friendly Captcha observation (security) using the existing fresh Stack-Monitor. Returns stack_friendlycaptcha_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;",
"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": "Friendly Captcha 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": "2026-10-14T23:59:33.79Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-14T23:59:33.367Z"
},
"resource": "https://stack.halowerk.com/stack/articles/friendlycaptcha",
"serviceName": "Tech Detect",
"tags": [
"x402",
"halowerk",
"stack_friendlycaptcha"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Purpose-bound Friendly Captcha observation (security) using the existing fresh Stack-Monitor. Returns stack_friendlycaptcha_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;"
}What the leaf hashes
{"body":"7e0b73eb7653e9d28ef4f7800abe1c43d8587c081352889ab12d3414b506ea70","id":121842,"kind":"listing","method":"baseline/1","observed_us":1793025620568014,"prev":null,"subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/friendlycaptcha","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).
- 0x7087e871aef78a863bc157a0d29a9ddfd791e5bc9831dfd1bc109ddf4ea433c4
- 0xdd98e1f049124fba7167e90d0a7cc1db8b4f8366ea226dcd5d0989e6575071fb
- 0x07787e20ebe3ea5a08f2df3b9461bdef4711cefd4bae84236ec846071ee61da9
- 0xf1d175a29a019637deb021dac73fe55259b6824bb1e0c5feb68bc08223adee5f
- 0x167ea62943f40a40c18ca02a00638e7fb7ae4721b468db6a100f1d70e207af63
- 0x20a111d2d6e22b38737fac629e39d93bc813234e47743f7465bf804cb918bbd3
- 0x0dc5c8e8169481c1df7db0c5e6dc9cb2ddb4bdf9f71c730e4cf6acfd8272f0a5
- 0x03eba2f0befde58c94c66f2e768df4a8aa0568408d9b518b5856cdc863ed4bde
- 0x32d4c61247489d4bffcd3bb78f5797a4c184b5cf7bd748c7188058b762f346c0
- 0x3801dc224ee69349c6fe3a8804f83a6392c51dbf385196ccaca4e1bc01124391
- 0x85ea4bbb5113622e4aa66d1805aad88594922ba95c70691ba980547dd9edd2b2
- 0x5be1d69fd9353c3a75685caffea8c98e8f079f5072011c82517cc5f365ba32f8
- 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
- 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae