← The evidence ledger
Evidence row 2202195
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://work-time-calc.x402tookit.com/iso-week
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 277615afb23ed6ab275d475bb7b947a61abdb0500ce88a63b5ec8e1961cba033
- Leaf
- 0x673644b69662eaae0e8fff59c87b7516baa9f451d35188f767d8a7d94520e470
What was observed
{
"endpoints": [
[
"x402",
"https://work-time-calc.x402tookit.com/iso-week"
]
],
"name": "Work Time Calc",
"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": "ISO 8601 week number and week-year for a date (2021-01-03 is 2020-W53), reverse lookup and sprint numbering.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"date": "2021-01-03",
"sprintStart": "2020-12-14",
"sprintWeeks": 2
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T23:39:14.006Z",
"calendarYear": 2021,
"dayOfYear": 3,
"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.",
"isoWeekDate": "2020-W53-7",
"notChecked": [
"US, Middle East or other week-numbering systems (weeks starting Sunday or Saturday)",
"company fiscal calendars and 4-4-5 retail calendars",
"…1 more"
],
"reasons": [
"Week 1 is the week containing the first Thursday of the year; weeks run Monday to Sunday.",
"The date belongs to week-year 2020, not calendar year 2021, because its Thursday falls in 2020.",
"…1 more"
],
"source": "ISO 8601 week-date rules (weeks start Monday, week 1 holds the first Thursday), computed locally",
"sprint": {
"beforeSprintOne": false,
"dayOfSprint": 7,
"end": "2021-01-10",
"lengthDays": 14,
"number": 2,
"start": "2020-12-28"
},
"summary": "2021-01-03 is 2020-W53-7 (Sunday).",
"verdict": "COMPUTED",
"week": 53,
"weekMonday": "2020-12-28",
"weekSunday": "2021-01-03",
"weekYear": 2020,
"weekYearDiffersFromYear": true,
"weekday": 7,
"weekdayName": "Sunday",
"weeksInWeekYear": 53
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"date": {
"description": "Date YYYY-MM-DD (give this, or weekYear with week)",
"type": "string"
},
"sprintStart": {
"description": "With date: first day of sprint 1, YYYY-MM-DD",
"type": "string"
},
"sprintWeeks": {
"description": "Sprint length in weeks, 1 to 8 (default 2)",
"type": "integer"
},
"week": {
"description": "ISO week 1 to 53 for the reverse lookup",
"type": "integer"
},
"weekYear": {
"description": "ISO week-year for the reverse lookup, 1 to 9998",
"type": "integer"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"calendarYear": {
"type": [
"null",
"number"
]
},
"dayOfYear": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"isoWeekDate": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sprint": {
"properties": {
"beforeSprintOne": {
"type": [
"boolean",
"null"
]
},
"dayOfSprint": {
"type": [
"null",
"number"
]
},
"end": {
"type": [
"null",
"string"
]
},
"lengthDays": {
"type": [
"null",
"number"
]
},
"number": {
"type": [
"null",
"number"
]
},
"start": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"week": {
"type": [
"null",
"number"
]
},
"weekMonday": {
"type": [
"null",
"string"
]
},
"weekSunday": {
"type": [
"null",
"string"
]
},
"weekYear": {
"type": [
"null",
"number"
]
},
"weekYearDiffersFromYear": {
"type": [
"boolean",
"null"
]
},
"weekday": {
"type": [
"null",
"number"
]
},
"weekdayName": {
"type": [
"null",
"string"
]
},
"weeksInWeekYear": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:38:40.926Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:38:40.751Z"
},
"resource": "https://work-time-calc.x402tookit.com/iso-week",
"serviceName": "Work Time Calc",
"tags": [
"iso-week",
"week-number",
"sprint",
"calendar"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "ISO 8601 week number and week-year for a date (2021-01-03 is 2020-W53), reverse lookup and sprint numbering."
}What the leaf hashes
{"body":"277615afb23ed6ab275d475bb7b947a61abdb0500ce88a63b5ec8e1961cba033","id":2202195,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813703542,"prev":null,"subject":"x402_bazaar:https://work-time-calc.x402tookit.com/iso-week","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).
- 0x673679ebd22952cbd4126cb7df62c77653a5b217c9c61d638d8e356bfb610a64
- 0xbca751e71785ce5cf6da30b3d0d22a3c845ead13b41abbade5d5709b24f0ee60
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- 0x53e2415af78a547c4524a2bfc85a1d7fb046c64847671ac2bd13085757c80cdd
- 0xcd0e161a18bc2956ff0681a1c4a0fe0aa1969c88c35ff756471d119bcd68738d
- 0x58cddfb4eb77064e91316305f3c98074021ec2acb350baa73190ce724aa9fd08
- 0x16c145b7756373cba52d271bcc335ae3f6a5df62b6d06fbe1bd9f394c94d9367
- 0x365b57dfd29a2fb0c18fde0eec3b9c0975d8ce576d3f41b10298c1a2f1699374
- 0x8b8bbc92d1da24505d58892b624d616c11fc960cbd4621a70e31384423411789
- 0xfc3e1d9d16ae9e7ee6b5dad5c759b9a098eb8bf9f4a6172c202639d790192ad5
- 0x4a5e75b333600b2e6846ffea65a671f83bef25d2ee2f0f9a05f79ddfb282d57c
- 0xafbca494e50a3e802cc29be04745764c359231efd8cff417b639a8de09c4e118
- 0xc1de5d78ad0d5e6c3608f4aebcde48975d4694ff02af180260cf7b52890d7af1
- 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
- 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
- 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
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- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af