← The evidence ledger
Evidence row 120710
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/time/recurrence
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 01b5423bf94468a001969960e7639d139849f69167236119c6cc44d19004cc1d
- Leaf
- 0x5f3f98df0e7e85447211cf7d2e30e8e6e57f937cd0e8ee8141cec2382f311986
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/time/recurrence"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:recurrence-rule",
"name": "USD Coin",
"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:recurrence-rule",
"name": "USD Coin",
"note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:137",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:recurrence-rule",
"name": "USD Coin",
"note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:42161",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"memo": "saylor:datadesk:recurrence-rule",
"reference": "7ZS1vBFAwdmuiaww7hfMAzdtVvp4vYnvtt9E7BB6Xy4x",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpyZWN1cnJlbmNlLXJ1bGUiLCJyZWZlcmVuY2UiOiI3WlMxdkJGQXdkbXVpYXd3N2hmTUF6ZHRWdnA0dlludnR0OUU3QkI2WHk0eCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTA4MDU1ODA0fQ.dH6RiG0nzd-Ty1skW_r16ZHeqSLFv8ybxZBZvxgyq5g"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
"memo": "saylor:datadesk:recurrence-rule",
"reference": "HTYTbnm294ujbDpJRvM4qoJy1QxU2Vsb29UCTsCNnt8i",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpyZWN1cnJlbmNlLXJ1bGUiLCJyZWZlcmVuY2UiOiJIVFlUYm5tMjk0dWpiRHBKUnZNNHFvSnkxUXhVMlZzYjI5VUNUc0NObnQ4aSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTA4MDU1ODA0fQ.XLGCinKvdJkLb9VrgWZPFVRL-TLAZuaHOfjeZ7hrKNk"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "90602",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:recurrence-rule",
"native": true,
"note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
"quotedLamports": "93405",
"reference": "3zKXiV8k8XwftUTVgzRrSgV2PJz8b91ZWt678erkvgoG",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpyZWN1cnJlbmNlLXJ1bGUiLCJyZWZlcmVuY2UiOiIzektYaVY4azhYd2Z0VVRWZ3pSclNnVjJQSno4YjkxWld0Njc4ZXJrdmdvRyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MDYwMiwiZXhwIjoxNzkyNTA4MDU1ODA0fQ.7VPUTrocVv0d7NUDPYuKDxGzvU28anbuRKO33DpbCfE",
"solUsdPrice": 107.06
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Expand an iCalendar recurrence rule into dates - daily, weekly, monthly and yearly with INTERVAL, BYDAY (like last Friday), BYMONTHDAY, COUNT and UNTIL",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"count": "6",
"rule": "FREQ=MONTHLY;BYDAY=-1FR",
"start": "2026-10-01"
},
"type": "http"
},
"output": {
"example": {
"count": 6,
"ended_by": "requested count",
"note": "Times are in the same clock as the start value (treated as UTC); BYSETPOS, BYHOUR and similar parts are not supported.",
"occurrences": [
{
"date": "2026-10-30",
"datetime": "2026-10-30T00:00:00.000Z",
"weekday": "FR"
},
{
"date": "2026-11-27",
"datetime": "2026-11-27T00:00:00.000Z",
"weekday": "FR"
},
{
"date": "2026-12-25",
"datetime": "2026-12-25T00:00:00.000Z",
"weekday": "FR"
},
{
"date": "2027-01-29",
"datetime": "2027-01-29T00:00:00.000Z",
"weekday": "FR"
},
{
"date": "2027-02-26",
"datetime": "2027-02-26T00:00:00.000Z",
"weekday": "FR"
},
{
"date": "2027-03-26",
"datetime": "2027-03-26T00:00:00.000Z",
"weekday": "FR"
}
],
"rule": "FREQ=MONTHLY;BYDAY=-1FR",
"source": "RFC 5545 recurrence rule expansion (supported subset)",
"start": "2026-10-01"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"count": {
"description": "optional occurrences to list, 1-100, default 10",
"type": "string"
},
"rule": {
"description": "RRULE such as FREQ=WEEKLY;BYDAY=MO,WE;INTERVAL=2;COUNT=6",
"type": "string"
},
"start": {
"description": "Start date YYYY-MM-DD or datetime",
"type": "string"
}
},
"required": [
"rule",
"start"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"count": {
"description": "Number of items returned",
"type": "number"
},
"ended_by": {
"description": "Ended by",
"type": "string"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"occurrences": {
"description": "Dates with ISO date, weekday code and full datetime",
"items": {
"properties": {
"date": {
"description": "Date (YYYY-MM-DD)"
},
"datetime": {
"description": "Full timestamp of the occurrence",
"type": [
"string",
"null"
]
},
"weekday": {
"description": "Day of the week"
}
},
"type": "object"
},
"type": "array"
},
"rule": {
"description": "Recurrence rule that was expanded",
"type": "string"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"start": {
"description": "Start date or datetime as supplied",
"type": "string"
}
},
"required": [
"rule",
"occurrences"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-20T14:52:15.864Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-20T14:52:15.652Z"
},
"resource": "https://saylorinnovations.com/api/time/recurrence",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"next dates for a recurring",
"expand an rrule",
"last friday of every month dates",
"every other week schedule",
"icalendar recurrence rule"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Expand an iCalendar recurrence rule into dates - daily, weekly, monthly and yearly with INTERVAL, BYDAY (like last Friday), BYMONTHDAY, COUNT and UNTIL"
}What the leaf hashes
{"body":"01b5423bf94468a001969960e7639d139849f69167236119c6cc44d19004cc1d","id":120710,"kind":"listing","method":"baseline/1","observed_us":1793025618507565,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/time/recurrence","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x5f3f9ec62b50da2b7336fae19973bf27a5b71b35d4e00e165f44779417d6755d
- 0x44eb1c5f432f768029e94b0f961641784b2f6b995d5fa6bd10cd9d42fd0436f9
- 0x65524a92fd5a0086301f9a4306e44be12727e5b5a679eeb8af412cff77d8abd7
- 0x4eed14ca43ff2a28a4386c408efec5aa012003f3b16d4c1a81c3112d1701a361
- 0xea58f1ab029f1cb5eb5c709f7be50f73eb4178af6d0a436148196ec50df89a8b
- 0xf618f1cb6128d30f0096e1e1d526670c17fd9eab331fecd00b6f13c3bbe93125
- 0x4698c243f0db15575f755d2ddaceede456518787a1847f4959f9d2253ce92648
- 0x4fc3a82b7dc22eca935dd67f54c7c8ce62ea5e061793584e8cf837d9bd5e7ccd
- 0x0537021a35b724245e93c8c89b7afb8ffd636f6f46420be1b20847cacdce8999
- 0x8fd0567340f23f69262de3ad393f18f08862b59e5cd7e78982ea4d654e90d98b
- 0x8088b42b1c11cbc36b44c4b08d0759628b035caa2738251cd28ed0e7242e65bc
- 0x5ab25c2fdf4695beeefb0726a5fc73e189b68f8d9fb2a3f6321ff7223b166fdd
- 0x66883b42f4167ade51c4909f050c5478524e23786fb0b5c48bd1a53580960a68
- 0x216cebb9ae5414599109a02297c4817d7d1c6b1394afeb97efe38e32f0053974
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae