← The evidence ledger
Evidence row 121860
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://stack.halowerk.com/stack/articles/klaviyo
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 17001da4bed852d72e24384c65b642c89e5b38c79a488ca90e6a717e79e8615d
- Leaf
- 0x5763ad449d37948dafa5f1de00bdaa0a038a880177b3ec8f5e17d0b66a9d1601
What was observed
{
"endpoints": [
[
"x402",
"https://stack.halowerk.com/stack/articles/klaviyo"
]
],
"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 Klaviyo observation (marketing) using the existing fresh Stack-Monitor. Returns stack_klaviyo_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": "Klaviyo 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": "2026-10-14T16:24:01.09Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-14T16:24:00.884Z"
},
"resource": "https://stack.halowerk.com/stack/articles/klaviyo",
"serviceName": "Tech Detect",
"tags": [
"x402",
"halowerk",
"stack_klaviyo"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Purpose-bound Klaviyo observation (marketing) using the existing fresh Stack-Monitor. Returns stack_klaviyo_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":"17001da4bed852d72e24384c65b642c89e5b38c79a488ca90e6a717e79e8615d","id":121860,"kind":"listing","method":"baseline/1","observed_us":1793025620586699,"prev":null,"subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/klaviyo","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).
- 0x5763be43665d1da20ea9d3b4c1f365e309a4c73709b83374a245fccf448275e7
- 0xed49fcbe71fd6190e01e6241f350569d464860ced8b07d4f13153e6b8a01a273
- 0x4ba513bcf5472bdf368f302fb7a97034d9baf2ea9bf6103988086a10220e3392
- 0x22627225626dd246f8b4d5367f4291f218843f5e0cce7e88679079f64d66f87f
- 0xb48e6a2b6d2ed686e4166fe3c6183a9e51712bc3d059cd3144dd392318f60eb2
- 0x630df2670a217a980e53ee7bde8078287e06a666446913fb8c2309fff1b42b3b
- 0xba56518cc4746cd5e59896ef17e8ef8e90d7a6cfee1dd8bde05c65acc01e44d1
- 0xf5de2d29891e294bf47d4879510a6164aefdc244f880a2de8fb81c9b4e3649a0
- 0x591e4deb05147caea4499da067f232e4919017776746250a42ca59c92cf67624
- 0xa8f2905fb93f7b837ebd4cffb4ea870801aecd1c51ad69f073af01c8310ee1b5
- 0x7c6e7d8ec8a6bb5540ab8e4e885e6c646f71198fce1b0e917447538a70811486
- 0x01ecb94c2efbfb8e9050ebbd813fbba80bbcbc345f98de707345bc4bc88c94e8
- 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
- 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae