← The evidence ledger
Evidence row 2202151
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://calendar-systems.x402tookit.com/age-profile
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6a838ae1749cd8853d313edba8c669cdb59b9d2898515fcb256445777f238811
- Leaf
- 0x9243d3090cbbeed85a2550ea73b46a07e25eab64bdfad3fd979f49f4cbec44b1
What was observed
{
"endpoints": [
[
"x402",
"https://calendar-systems.x402tookit.com/age-profile"
]
],
"name": "Calendar Systems",
"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": "Age in years, months, days and days lived, Korean and East Asian ages, next birthday with leap-day rules, and zodiac.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"asOf": "2026-10-11",
"birth": "1992-02-29"
},
"type": "http"
},
"output": {
"example": {
"ageDays": 12,
"ageMonths": 7,
"ageYears": 34,
"asOf": "2026-10-11T08:54:32.063Z",
"birthJulianDayNumber": 2448682,
"birthWeekday": "Saturday",
"birthdayIsToday": false,
"chineseZodiacAnimal": "Monkey",
"chineseZodiacElement": "Water",
"chineseZodiacYear": 1992,
"daysUntilNextBirthday": 140,
"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.",
"internationalAge": 34,
"koreanTraditionalAge": 35,
"koreanYearAge": 34,
"leapDayBirthday": true,
"nextBirthday": "2027-02-28",
"nextBirthdayIfMarch1": "2027-03-01",
"nextBirthdayIsLeapDayAbsent": true,
"nextBirthdayWeekday": "Sunday",
"notChecked": [
"birth time and time zone (the date is taken as written)",
"which age convention a given law, insurer or form requires",
"…2 more"
],
"reasons": [
"International age counts completed years; East Asian traditional age is the calendar-year difference plus 1.",
"Born on 29 February: in common years the legal birthday is 28 February in some places (for example New Zealand) and 1 March in others (for example the UK and Hong Kong)."
],
"source": "Gregorian fixed-date arithmetic and sexagenary cycle rules, computed locally",
"summary": "Born 1992-02-29, on 2026-10-11 the age is 34 years, 7 months, 12 days (12643 days lived).",
"totalDaysLived": 12643,
"totalMonths": 415,
"totalWeeksLived": 1806,
"verdict": "COMPUTED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"asOf": {
"description": "Reference date YYYY-MM-DD (default today, UTC)",
"type": "string"
},
"birth": {
"description": "Birth date YYYY-MM-DD",
"type": "string"
}
},
"required": [
"birth"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"ageDays": {
"type": [
"null",
"number"
]
},
"ageMonths": {
"type": [
"null",
"number"
]
},
"ageYears": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"birthJulianDayNumber": {
"type": [
"null",
"number"
]
},
"birthWeekday": {
"type": [
"null",
"string"
]
},
"birthdayIsToday": {
"type": [
"boolean",
"null"
]
},
"chineseZodiacAnimal": {
"type": [
"null",
"string"
]
},
"chineseZodiacElement": {
"type": [
"null",
"string"
]
},
"chineseZodiacYear": {
"type": [
"null",
"number"
]
},
"daysUntilNextBirthday": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"internationalAge": {
"type": [
"null",
"number"
]
},
"koreanTraditionalAge": {
"type": [
"null",
"number"
]
},
"koreanYearAge": {
"type": [
"null",
"number"
]
},
"leapDayBirthday": {
"type": [
"boolean",
"null"
]
},
"nextBirthday": {
"type": [
"null",
"string"
]
},
"nextBirthdayIfMarch1": {
"type": [
"null",
"string"
]
},
"nextBirthdayIsLeapDayAbsent": {
"type": [
"boolean",
"null"
]
},
"nextBirthdayWeekday": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"totalDaysLived": {
"type": [
"null",
"number"
]
},
"totalMonths": {
"type": [
"null",
"number"
]
},
"totalWeeksLived": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:40:08.208Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:40:07.944Z"
},
"resource": "https://calendar-systems.x402tookit.com/age-profile",
"serviceName": "Calendar Systems",
"tags": [
"age",
"birthday",
"dates",
"calendar"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Age in years, months, days and days lived, Korean and East Asian ages, next birthday with leap-day rules, and zodiac."
}What the leaf hashes
{"body":"6a838ae1749cd8853d313edba8c669cdb59b9d2898515fcb256445777f238811","id":2202151,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813504508,"prev":null,"subject":"x402_bazaar:https://calendar-systems.x402tookit.com/age-profile","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).
- 0x9243a66c54f30df0c88efefae86c4d4301127c6af10b69636997422c5555230f
- 0x55931d39b4027f538a889d80c494c00e2c7afd27080ec44bcb1c4a95edadf9ba
- 0x5b7b22165970fe234884cbea4d190abc7e7a970c111c83133aa448d835f8181d
- 0x86da1607cfab334ab7a3aaed7db8d5024a0470956cdbdcc8887f796361418d6b
- 0x5f1f2dacf72504a1c82bd228e9008c2e04a6633c6c562dda73575c8b7b94a71b
- 0x20ccc3d95196989942de40d7b549a2a5ec5715ac453d569345306043c5a8d5ba
- 0x36eb2d9765e28762c8002f6d87de1dac4d40a7c40d25d9c8749c9acc738e2e40
- 0x74e3ccff79ffaa7e73767664b13f206197a766d65118b818848233c7ac7a11ee
- 0x6728eddb967e3a66b06fd5c0029dc3cc6b77e984daa922b68e0a29560eabe25d
- 0x7840af42bd3d4ee4c322b2a126912f2129f6357fbe8b99bd2c95662ebced17df
- 0xe58f4ad3bbf35f93bef880480cd21c5c1df0b7fad937563c21da1a8b6bc47cd4
- 0x132b7eb9839b9a3992040318f9144c58f82ba495d3a19d95d05ee1b6917c441b
- 0xa17f6a1bac5d26cc57d2e02b81d6f7d4d897fa15d99d32d506b3ff7cbcfd9c03
- 0xece99d4dfafa93913edbe131eb22b3d7ab2648b58b5bd9dcd361be4f8953b107
- 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af