← The evidence ledger
Evidence row 2201989
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://dev-reference.x402tookit.com/cache-control-explain
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a4754151691fb724fd02f6cbe5972b4750a6c519624f3ac7bb1bc93689d11fae
- Leaf
- 0x8a0af96852c343446ec34a5638c592471a02223df07d8563b4ee717f2086ff0e
What was observed
{
"endpoints": [
[
"x402",
"https://dev-reference.x402tookit.com/cache-control-explain"
]
],
"name": "Dev Reference",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Parse a Cache-Control value, explain each directive, compute freshness and flag conflicts or leaks.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"kind": "response",
"value": "public, max-age=3600, no-cache"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T14:26:44.297Z",
"browserFreshnessSeconds": 0,
"degraded": false,
"directives": [
{
"directive": "public",
"meaning": "Any cache may store the response, even if it would normally not be cacheable (for example with Authorization).",
"value": null
},
{
"directive": "max-age",
"meaning": "Seconds the response stays fresh (request: the oldest response the client will accept).",
"value": "3600"
}
],
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"flags": [
{
"directive": "no-cache",
"fix": null,
"message": "no-cache forces revalidation on every reuse even though max-age is set: the max-age only helps stale-if-error and conditional requests.",
"severity": "INFO"
}
],
"highCount": 0,
"kind": "response",
"mediumCount": 0,
"notChecked": [
"Expires, Pragma, Vary, ETag and Last-Modified headers, which also affect caching",
"the response status code (only some are cacheable by default) and the request method",
"…2 more"
],
"reasons": [],
"sharedCacheFreshnessSeconds": 0,
"source": "RFC 9111 (HTTP Caching), RFC 5861, RFC 8246, computed locally",
"storage": "browser and shared caches may store it, per freshness rules",
"summary": "browser and shared caches may store it, per freshness rules. Browser freshness: 0 s; shared cache freshness: 0 s.",
"usageChecked": null,
"verdict": "ALWAYS_REVALIDATE"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"kind": {
"description": "response (default) or request",
"enum": [
"response",
"request"
],
"type": "string"
},
"usage": {
"description": "Optional hint: static, personalized or sensitive, to check the value against that use",
"enum": [
"static",
"personalized",
"sensitive"
],
"type": "string"
},
"value": {
"description": "The header value, for example public, max-age=3600, no-cache",
"type": "string"
}
},
"required": [
"value"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"browserFreshnessSeconds": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"directives": {
"items": {
"properties": {
"directive": {
"type": [
"null",
"string"
]
},
"meaning": {
"type": [
"null",
"string"
]
},
"value": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"flags": {
"items": {
"properties": {
"directive": {
"type": [
"null",
"string"
]
},
"fix": {},
"message": {
"type": [
"null",
"string"
]
},
"severity": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"highCount": {
"type": [
"null",
"number"
]
},
"kind": {
"type": [
"null",
"string"
]
},
"mediumCount": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"type": [
"array",
"null"
]
},
"sharedCacheFreshnessSeconds": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"storage": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"usageChecked": {},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:48:46.692Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:48:46.389Z"
},
"resource": "https://dev-reference.x402tookit.com/cache-control-explain",
"serviceName": "Dev Reference",
"tags": [
"cache-control",
"caching",
"http",
"security-headers"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Parse a Cache-Control value, explain each directive, compute freshness and flag conflicts or leaks."
}What the leaf hashes
{"body":"a4754151691fb724fd02f6cbe5972b4750a6c519624f3ac7bb1bc93689d11fae","id":2201989,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811233671,"prev":null,"subject":"x402_bazaar:https://dev-reference.x402tookit.com/cache-control-explain","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).
- 0x8a0b770069bd516503f774ee590b6e0a8af5b2200c938458166551c47193bbfc
- 0x33840c59479f74d5dc707e81fa183468501577cbbfcd390c90cd11567e06ac9f
- 0x57c505b8a04074d9ad395f2c936994dc4e3c1addb696bfb8b43f202a934f0dbc
- 0xfc8aabc894a4d61799a20cecc0d9d6c4d23c4488aa6a57374e2c6c037557a9f5
- 0x9570802e7e59e3c90933c6895e457807bbe736a27dac648a7a82ae5719db7b5d
- 0xc521fda1b88d69c341da1ec2ca7236caf9972d0cc2f9deb0fa40edffd4c422d2
- 0x40941ee4202e2af737be9359286675a11ac89144ea6474dd45ffc5a353f51eea
- 0xb585facbcaf9d4691df7193f8ac2ebe2a5881eb48ae73d685293f16d1f37db89
- 0x368fdb355b369320e61a95f7b21488d966d01e8fcf5311afdb1a41efc7510e82
- 0xdac63055f03cf0b4369d04b5344549d25b9b6df3149f396e617f594c99cb663e
- 0x39df1942172e01ac09158611984710fc8036003f6a1edd0835b0c5b5b5200efa
- 0x5e19b65c9dca303d18d3307f340e866c83a5cd5294e32913f90d6115847dd766
- 0x5d871bfcf034460b25418e4174693de4c0943330f7c1beda840614a4c45cc42c
- 0xf38c9617f655dc8f7c8fa11461cb30752d581a6bbb15051130839452c80c4270
- 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af