← The evidence ledger
Evidence row 121825
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://stack.halowerk.com/stack/articles/calendly
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- def7e014cc0f9557b6d82be641f3342fd1e08e131e529176ff1d4cdbfc349c2c
- Leaf
- 0xe580d4c280d3451778375303f8105aadf5cea2bc69c19ed9a331fdf1b1c94c69
What was observed
{
"endpoints": [
[
"x402",
"https://stack.halowerk.com/stack/articles/calendly"
]
],
"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 Calendly observation (booking) using the existing fresh Stack-Monitor. Returns stack_calendly_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": "Calendly 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": "2026-10-15T01:09:20.929Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-15T01:09:20.687Z"
},
"resource": "https://stack.halowerk.com/stack/articles/calendly",
"serviceName": "Tech Detect",
"tags": [
"x402",
"halowerk",
"stack_calendly"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Purpose-bound Calendly observation (booking) using the existing fresh Stack-Monitor. Returns stack_calendly_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":"def7e014cc0f9557b6d82be641f3342fd1e08e131e529176ff1d4cdbfc349c2c","id":121825,"kind":"listing","method":"baseline/1","observed_us":1793025620548465,"prev":null,"subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/calendly","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).
- 0xe580738469d11deb4ed673a22565bd7ad44834f4c842405892ed29c56240f18c
- 0x6c15fdec4bf350c96d5e4edd0c91092856e6ec997a32302cf435e8e5882d3548
- 0xfff87f934b120b61691b2cd8d6dd4dd43396e56c23e1649bae014ecaf71d013e
- 0xbe45cc49a2c17298276234381cda4faf828e1321a72db4712f1f175d9eebe49f
- 0xe99ff511b1f8a6706371b9c0ff9f920bfeb8deae2a9917beb0560f2e5b5e389b
- 0x0cf4638039876125c5315503a80de6f02c418b549d98c9f231843b8c8378773a
- 0x386cf78bdea483177f25fc5051d72e8be4a71c1e10515ef5ef4000f220ee9076
- 0x4df81dde3d56a2714ba3752cf172900bddff861f390d8325fc6888e7e1ecc1b3
- 0x8470a378d20677c24d76f1048bc06d23b2f28d184561cd0c31bf8ca5609cc741
- 0xcbd148ef9ef69a55476f415c8c65fbd198c86afa61a13e712804c482ee3c6193
- 0x29ce97b519f8e4dff85ae3006efb1220983d391295891bc9cbd27db51c46ec37
- 0x2fc38b57208d692aab1ee89b6e26917df292126314027c27360c5644a63fd0bc
- 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
- 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae