← The evidence ledger
Evidence row 2201224
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://recurrence-rules.x402tookit.com/nth-weekday-of-month
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 320d8170448ee9c30b4ced4c675ae6e7a47d60702e954f298905a515bde59e20
- Leaf
- 0x2b16d8331e8aba0cb03a4b54268e3fe2a3e82539f10ad84dfaa9fbde3058adf3
What was observed
{
"endpoints": [
[
"x402",
"https://recurrence-rules.x402tookit.com/nth-weekday-of-month"
]
],
"name": "Recurrence Rules (RRULE)",
"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": "Dates of the Nth weekday (or last) of each month in a year, e.g. second Tuesday of 2027; months without one are listed.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"nth": 2,
"weekday": "Tuesday",
"year": 2027
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T01:31:06.450Z",
"dates": [
{
"date": "2027-01-12",
"dayOfMonth": 12,
"month": "January",
"weekday": "Tuesday"
},
{
"date": "2027-02-09",
"dayOfMonth": 9,
"month": "February",
"weekday": "Tuesday"
}
],
"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.",
"notChecked": [
"public holidays or whether a date is a business day (use /business-recurrence)",
"any rule other than 'Nth weekday of the month' (use /rrule-expand for the general case)"
],
"nth": 2,
"reasons": [],
"rruleEquivalent": "FREQ=MONTHLY;BYDAY=2TU",
"skippedMonths": [],
"source": "RFC 5545 (iCalendar) section 3.3.10 and 3.8.5.3, computed locally",
"summary": "The second Tuesday of each month in 2027: 12 date(s), from 2027-01-12 to 2027-12-14.",
"verdict": "COMPUTED",
"weekday": "Tuesday",
"year": 2027
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"month": {
"description": "Only this month, 1 to 12 (default all twelve)",
"type": "integer"
},
"nth": {
"description": "1 to 5 for first..fifth, or -1 to -5 for last, second-to-last...",
"type": "integer"
},
"weekday": {
"description": "Day name or code: Tuesday, Tue, TU",
"type": "string"
},
"year": {
"description": "Year, 1000 to 9999",
"type": "integer"
}
},
"required": [
"weekday",
"nth",
"year"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"dates": {
"items": {
"properties": {
"date": {
"type": [
"null",
"string"
]
},
"dayOfMonth": {
"type": [
"null",
"number"
]
},
"month": {
"type": [
"null",
"string"
]
},
"weekday": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"nth": {
"type": [
"null",
"number"
]
},
"reasons": {
"type": [
"array",
"null"
]
},
"rruleEquivalent": {
"type": [
"null",
"string"
]
},
"skippedMonths": {
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"weekday": {
"type": [
"null",
"string"
]
},
"year": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T04:07:59.036Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T04:07:58.882Z"
},
"resource": "https://recurrence-rules.x402tookit.com/nth-weekday-of-month",
"serviceName": "Recurrence Rules (RRULE)",
"tags": [
"calendar",
"weekday",
"recurrence",
"dates"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Dates of the Nth weekday (or last) of each month in a year, e.g. second Tuesday of 2027; months without one are listed."
}What the leaf hashes
{"body":"320d8170448ee9c30b4ced4c675ae6e7a47d60702e954f298905a515bde59e20","id":2201224,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801335247,"prev":null,"subject":"x402_bazaar:https://recurrence-rules.x402tookit.com/nth-weekday-of-month","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).
- 0x2b16d4721e541cb0bd560ede74a338cd999853e0e23503bd5ba13c3680f3f00a
- 0xa15f312744bc9ae9d8e6bc149a8d3721947cc1d2d799633f93fd8e2d633caefd
- 0x0b0ff1f049dc3bbc122d04605e602494f4bd05066852888f83885a3de028c10f
- 0x812f5b4751a2c9fa1f41e4fb4a19bc8120a8f8231445a5765815d3c193e003cd
- 0xe3d8f0399296edcfc3e209db57663b838504c6309fb3f9c878a9d838d5598e15
- 0xe56de69baf2d07c65bfc2963d77a8e3f47262e9d45ca245c372ba0c878ecbd0a
- 0x9171e08134260ec91f035d92c61d70ab6d8cf462793a7fd9377c1fcf2a8ab822
- 0x2c1fb666bceb698eb190e803641659dd26dbbea72959638c1efbc162eb128eff
- 0xd7572e79e9973cd84824e65f5621c4f90272419ca39d5e50c2a8bd8a086e5ed6
- 0x208798e6b232912d4a9c901f5380e69a77a5daa4ca2e3c28d92fc07b6465ae61
- 0x8e6feec569a9685c68f59ce2b7ddb7565142c8a86a928fc54491abdad75494cf
- 0xe190d3e775cf157368fa6ec6b0e77b39fa82005076265ca0fc15ff428080d4a8
- 0xdb8f582c0e06dcc12f31eb42bfcf649e95cea3ce20a525db7917ecfd954357bb
- 0x037a66c2ea899586d58b52761f6b950a97cda22bb80294e40013ebea171a684f
- 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
- 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
- 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af