← The evidence ledger
Evidence row 119894
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/finance/fire
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0746cfbb8273e68cc987a550cca4fb6b1da4656e2cf1938d4e270b5525465e40
- Leaf
- 0x74388a5e39e9139f6731ba1596f390e675c7be840fc330aa7c3c53758e01b69b
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/finance/fire"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:fire-calculator",
"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:fire-calculator",
"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:fire-calculator",
"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": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:fire-calculator",
"reference": "4bGAtxSgAHPGykV3jSJ6153VPPBF1hrBXp6PCyuTtaiu",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpmaXJlLWNhbGN1bGF0b3IiLCJyZWZlcmVuY2UiOiI0YkdBdHhTZ0FIUEd5a1YzalNKNjE1M1ZQUEJGMWhyQlhwNlBDeXVUdGFpdSIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTYyMDU3NDAyfQ.CrGgtwJQWX2-04utmC7S9Rsve3f5B3RQad_P9c9-vAo"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"memo": "saylor:datadesk:fire-calculator",
"reference": "AEQiwFxtg2EqXNWv3fw76JVMe6cMGAnNVTeadNde8nKh",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpmaXJlLWNhbGN1bGF0b3IiLCJyZWZlcmVuY2UiOiJBRVFpd0Z4dGcyRXFYTld2M2Z3NzZKVk1lNmNNR0FuTlZUZWFkTmRlOG5LaCIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyNTYyMDU3NDAyfQ.529OI_7bFAA4w3NMoKRSW9yf5tkFSsDxGCQ6tatqaR0"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "91673",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:fire-calculator",
"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": "94509",
"reference": "owueHtXR1uZNLksFk3sMJGTynbRE68eMVtaPTGpJuj1",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpmaXJlLWNhbGN1bGF0b3IiLCJyZWZlcmVuY2UiOiJvd3VlSHRYUjF1Wk5Ma3NGazNzTUpHVHluYlJFNjhlTVZ0YVBUR3BKdWoxIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkxNjczLCJleHAiOjE3OTI1NjIwNTc0MDJ9.06vNGPQB7EiX0KkYBPmVli438DEFK3XqpEq5PdpUm8I",
"solUsdPrice": 105.81
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Financial independence calculator - FI number from expenses and withdrawal rate, years to reach it, milestones and savings needed to get there in 20 years",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"annual_expenses": "40000",
"annual_savings": "30000",
"current_savings": "100000",
"real_return_percent": "5"
},
"type": "http"
},
"output": {
"example": {
"already_independent": false,
"assumptions": {
"annual_expenses": 40000,
"annual_savings": 30000,
"real_return_percent": 5,
"savings_growth_percent": 0
},
"balance_at_fi": 1004413,
"fi_number": 1000000,
"milestones": [
{
"balance": 100000,
"year": 0
},
{
"balance": 293397,
"year": 5
},
{
"balance": 540226,
"year": 10
},
{
"balance": 855250,
"year": 15
},
{
"balance": 1004413,
"year": 17
}
],
"note": "Returns are real (after inflation). The 4% rule is a historical rule of thumb, not a guarantee.",
"progress_percent": 10,
"reached_within_80_years": true,
"required_annual_savings_for_20_years": 22218,
"source": "Financial-independence math: target = expenses / withdrawal rate, balances compounded yearly",
"withdrawal_percent": 4,
"years_to_fi": 17
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"annual_expenses": {
"description": "Expected yearly spending in retirement",
"type": "string"
},
"annual_savings": {
"description": "Amount saved per year",
"type": "string"
},
"current_savings": {
"description": "optional invested amount now",
"type": "string"
},
"real_return_percent": {
"description": "optional real yearly return, default 5",
"type": "string"
}
},
"required": [
"annual_savings",
"annual_expenses"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"already_independent": {
"description": "Already independent",
"type": "boolean"
},
"assumptions": {
"description": "Return, savings, savings growth and expenses used",
"type": "object"
},
"balance_at_fi": {
"description": "Balance at fi",
"type": [
"number",
"null"
]
},
"fi_number": {
"description": "Fi number",
"type": "number"
},
"milestones": {
"description": "Balance at every fifth year and at the year financial independence is reached",
"type": "array"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"progress_percent": {
"description": "Progress, as a percentage",
"type": "number"
},
"reached_within_80_years": {
"description": "Reached within 80 years",
"type": [
"boolean",
"null"
]
},
"required_annual_savings_for_20_years": {
"description": "Required annual savings for 20 years",
"type": "number"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"withdrawal_percent": {
"description": "Withdrawal, as a percentage",
"type": "number"
},
"years_to_fi": {
"description": "Years to fi",
"type": [
"number",
"null"
]
}
},
"required": [
"fi_number",
"years_to_fi"
],
"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": "2026-10-21T05:52:17.464Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-21T05:52:17.251Z"
},
"resource": "https://saylorinnovations.com/api/finance/fire",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"how many years until financial",
"fire number from annual expenses",
"4 percent rule retirement target",
"when can i retire early",
"savings needed to reach fi in 20"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Financial independence calculator - FI number from expenses and withdrawal rate, years to reach it, milestones and savings needed to get there in 20 years"
}What the leaf hashes
{"body":"0746cfbb8273e68cc987a550cca4fb6b1da4656e2cf1938d4e270b5525465e40","id":119894,"kind":"listing","method":"baseline/1","observed_us":1793025616904175,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/finance/fire","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).
- 0x743875c96735dcd3724f6b8cad179ddb370161655baed1e7c08f5e44268b9621
- 0x61c2d1e4415d9489108ae76ca8d2bde73983db1dbc5a10fbc4a279182c8ca15e
- 0xd7adde50ba9e6acaf4ced696004d3a8694d5ec88018439e4ee5386a9deb6e1ea
- 0x87b073dd5189f680bf95a27ca371d8eb58202cec55d767ca40bda683ede3b216
- 0x31817a3c44ad3a4cc007a87a3195b4fe1e249bb6012d2419a0d13e7953066e50
- 0x6c40ef02f4ff017cbc7ccf61d97def507fe364edb57343ecdfec9acfa7477fa3
- 0xd15a5678f173430df0cb8395344df8ff51f1603e94a2c1553d90be996de28712
- 0x36c669cc587ac530ce0b33ae2d8dd1f82af4e53b84c42fda6764948e03cd816d
- 0xd0bbcf02f0483daaff2680f7dc63577b211f9daed61d6ffaf73cadb654bf6124
- 0xeeb27e00b2f1b77815fcef94bdfe05e33ce9324a8f8948c0770868e4d010c7b9
- 0x9adfaac1e332051e6999b9b702c6d539c2d639f94fd57735f2ddd441a4b5230c
- 0x3f193b47c78cf4e7b9e4988cd716854b0e1011e5fcbca161f5a885f1aa02857d
- 0x06064dc1eb2363bec8c2a752e0a28aafc4bf0cb21d1b1b755821c1575bb77a96
- 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
- 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae