← The evidence ledger
Evidence row 2201986
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://dev-reference.x402tookit.com/datetime-validate
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d83f088b6cf05985100dcb9fc09a3f08d3e31a5d621fa4d3ba6576ae285b4ed1
- Leaf
- 0x553ac2956f1906f0804c0c0914ebc37bade34c6dd141e4875f8f7256afc79e1e
What was observed
{
"endpoints": [
[
"x402",
"https://dev-reference.x402tookit.com/datetime-validate"
]
],
"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": "Validate an ISO 8601 or RFC 3339 date, time, timestamp, duration or interval, and say which standard it satisfies.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"value": "1996-12-19T16:39:57-08:00"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T14:26:45.079Z",
"dayOfYear": 354,
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"durationSecondsIfFixed": null,
"epochSeconds": 851042397,
"errors": [],
"hasUtcOffset": true,
"input": "1996-12-19T16:39:57-08:00",
"intervalForm": null,
"isIso8601": true,
"isRfc3339": true,
"isoWeekDate": "1996-W51-4",
"kind": "date-time",
"leapSecond": false,
"notChecked": [
"the ISO 8601 standard text itself (paywalled, not read); rules follow RFC 3339 and common public summaries",
"time zone names such as Europe/Paris (not part of either format)",
"…2 more"
],
"reasons": [],
"reducedPrecision": false,
"source": "RFC 3339 and public ISO 8601 summaries, computed locally",
"summary": "\"1996-12-19T16:39:57-08:00\" is a date-time, valid RFC 3339 and ISO 8601.",
"utcInstant": "1996-12-20T00:39:57Z",
"utcOffsetMinutes": -480,
"valid": true,
"verdict": "VALID_RFC3339",
"weekday": "Thursday"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"value": {
"description": "For example 2026-10-11T14:30:00Z, 2026-W41-7, P3Y6M4DT12H30M5S",
"type": "string"
}
},
"required": [
"value"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"dayOfYear": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"durationSecondsIfFixed": {},
"epochSeconds": {
"type": [
"null",
"number"
]
},
"errors": {
"type": [
"array",
"null"
]
},
"hasUtcOffset": {
"type": [
"boolean",
"null"
]
},
"input": {
"type": [
"null",
"string"
]
},
"intervalForm": {},
"isIso8601": {
"type": [
"boolean",
"null"
]
},
"isRfc3339": {
"type": [
"boolean",
"null"
]
},
"isoWeekDate": {
"type": [
"null",
"string"
]
},
"kind": {
"type": [
"null",
"string"
]
},
"leapSecond": {
"type": [
"boolean",
"null"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"type": [
"array",
"null"
]
},
"reducedPrecision": {
"type": [
"boolean",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"utcInstant": {
"type": [
"null",
"string"
]
},
"utcOffsetMinutes": {
"type": [
"null",
"number"
]
},
"valid": {
"type": [
"boolean",
"null"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"weekday": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:48:54.934Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:48:54.757Z"
},
"resource": "https://dev-reference.x402tookit.com/datetime-validate",
"serviceName": "Dev Reference",
"tags": [
"iso-8601",
"rfc-3339",
"datetime",
"validator"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Validate an ISO 8601 or RFC 3339 date, time, timestamp, duration or interval, and say which standard it satisfies."
}What the leaf hashes
{"body":"d83f088b6cf05985100dcb9fc09a3f08d3e31a5d621fa4d3ba6576ae285b4ed1","id":2201986,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811221175,"prev":null,"subject":"x402_bazaar:https://dev-reference.x402tookit.com/datetime-validate","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).
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- 0x5fff3947212366ead53557d98aa4967874d961445b810f45abf191b944d227f7
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- 0x75a16d615893688d8868ff002c13db7729421ed1b75811f6f546ce912b3c0c05
- 0x7b8739e29f47363332472043fb087e7b85cf934d8fc53d1b04529147a0fd4ddc
- 0xd389d618d0720a339e2a99b44a2e9daf87b0b07c84152507e676e8539050a1b1
- 0xb94452c701e314deff0fc005412025aa3fb376062790a6046c6c4ba638cd16dc
- 0x62aded81802f1d82d429de810886723ed781a10f5757b0a4520f83f25292cb4d
- 0x0ad565123450d30e7282f35f84f5753352d21e2d80b96c3df8d01d61419b3a6a
- 0x2302aae7f7a65d7c382e022b72000716593c10482d2aee2ea9a92767aa1dcb38
- 0xf3cd94f829d8d343f78240d80808226fff270a41c5afb229618eef720c5aeb09
- 0x60fa0410e92b55107aa67b0dc49b0a16f4a6d03a6b806a712da9290629167b04
- 0xb5b32de12fac3b68a23088b6007f1052bd84011d7da80663c8664b4a4c7bcebf
- 0xc73349c9955998a166e6e5920ac8ee0aa7bc6c9d66bace60f6dbd465dd9e0530
- 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
- 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
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- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af