← The evidence ledger
Evidence row 2208345
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://webtechnik.halowerk.com/v1/cache-control-audit
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1a9d800aeb9e787cd6a781b2c30a3fb0e3f909d4ac914fbb09eb29043f37597d
- Leaf
- 0x1add0dbc960a9595779106e67f17c58b094efd3366e03f97c541147ab3fb6566
What was observed
{
"endpoints": [
[
"x402",
"https://webtechnik.halowerk.com/v1/cache-control-audit"
]
],
"name": "webtechnik.halowerk.com/v1/cache-control-audit",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "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",
"recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Cache-Control present audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"context": {
"environment": "production"
},
"target": "https://example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"action": {
"finding": "fail",
"repair_if_failed": {
"change": "Publish an explicit Cache-Control policy.",
"evidence_source": "https://example.com/",
"priority": "high",
"verify": "Repeat /v1/cache-control-audit after deployment and require verdict=pass."
},
"type": "audit"
},
"category": "technik",
"comparison": null,
"confidence": 100,
"criterion": {
"expected": true,
"id": "technik:cache-control",
"metric": "cache_control_present",
"operator": "truthy"
},
"evidence": {
"hash_sha256": "194bb527f9f6088632861b95eb92f6bab30e84d037a30df1426142fabe4b9b2e",
"redirects": 0,
"source": "https://example.com/",
"status": 200
},
"limitations": [
"Read-only public inspection; no login, form submission, exploit attempt, purchase or load test.",
"Network response timing is measured from the HALOWERK probe, not from every end-user location."
],
"meta": {
"cache": "hit",
"comparison_cache": null,
"partial": false
},
"mode": "audit",
"observation": false,
"pass": false,
"scope": "live_public_read_only",
"score": 0,
"service": "Cache-Control present — Audit",
"service_number": 19,
"target": {
"checked_at": "2026-10-23T06:48:32.531Z",
"final": "https://example.com/",
"requested": "https://example.com"
},
"verdict": "fail",
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"baseline": {
"additionalProperties": true,
"description": "Optional baseline returned by a previous snapshot call.",
"type": [
"object",
"null"
]
},
"compare_url": {
"description": "Optional public comparison URL. Used by change and monitoring services.",
"maxLength": 2048,
"minLength": 3,
"type": "string"
},
"context": {
"additionalProperties": {
"type": [
"string",
"number",
"boolean",
"null"
]
},
"description": "Optional non-secret correlation labels returned unchanged only in the request lifecycle.",
"maxProperties": 12,
"type": "object"
},
"target": {
"description": "Public HTTP(S) URL or domain to inspect. A bare domain is normalized to HTTPS.",
"maxLength": 2048,
"minLength": 3,
"type": "string"
}
},
"required": [
"target"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T14:50:51.222Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T14:50:50.623Z"
},
"resource": "https://webtechnik.halowerk.com/v1/cache-control-audit",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Cache-Control present audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed."
}What the leaf hashes
{"body":"1a9d800aeb9e787cd6a781b2c30a3fb0e3f909d4ac914fbb09eb29043f37597d","id":2208345,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647029133001,"prev":null,"subject":"x402_bazaar:https://webtechnik.halowerk.com/v1/cache-control-audit","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x1add0fbf3e28df9db5bc0ec048b2acf97d4b19aa68b1b93f127863d25a5a0bb9
- 0xe3d6d556f53d0caacb3f2ea603d47e269ddb3216785e515faab350a8299bd008
- 0x93aa747aa90894ba058e04e3eee1f952232959dc8f97451744774bda5be3df24
- 0x2c6b60a24b5aed26aa0e2900eed901b5fd88c1e0725b1582ff6666f48961b662
- 0x9ec163783ab54017f31f3f88ef75310dd2c9c9d92466d963b83899b2e587485d
- 0xd4e5f72f96f7e7ff9a9e45cce6336692ea482cc2c4ad1ee23ce2694d896a76d5
- 0x0a66775ec74bc9beb1ad95b1415498b4d3f8829ebbe2f2bd5a08beb6645f6f90
- 0x87c8a39e29fc10512066bcf0ca3a101a8296e397371009d880bed2f61eee6b8c
- 0x2cf4156e833734129439ac05d3979621559370e7dbf7433e8bcd0f9670e8e384
- 0x1db6bb17c0a698a2bb8a1cb63a54c29afdf0ed5427c25c8c6929882fe576d404
- 0xf61a5e72c1d0af5f7488716896d1d925ed659239c54a6a76ea8567adddbae8b9
- 0xaa8e703c8f7834bfb7f573073b9b50c4721ac0f323b8e4b35b227e9b1b763617
- 0xe2dd127d9ccc5339e1d044fef0fe0ebbce9fefdedc7bf9fb2070bf570a64799e
- 0xad8410fe2298c1ccff00c301cabf57d2495acf6e614e5236bbeb834747908ca4
- 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
- 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
- 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af