← The evidence ledger
Evidence row 1810353
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.x402node.dev/math/interest
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 18679b3d86ec9eaaca10ed9288b35ecd3f1a3adef91a8acdba4ed25bbfaaf8fa
- Leaf
- 0xc2a5f6c3afa78bbf1c131752f0eef165ed400386cb1fbd1c6082563cfc7ee4ad
What was observed
{
"endpoints": [
[
"x402",
"https://api.x402node.dev/math/interest"
]
],
"name": "api.x402node.dev/math/interest",
"owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
"raw": {
"accepts": [
{
"amount": "8000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
"scheme": "exact"
},
{
"amount": "8000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
"scheme": "exact"
}
],
"description": "Interest calculator, compound interest, simple interest, loan payment, mortgage calculator, annuity, APR APY, future value, present value, investment return. Compute simple/compound interest or annuity loan payments with configurable compounding frequency. Accepts payment on Base or Solana — either network works.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"n": "string",
"principal": "string",
"rate": "string",
"type": "string",
"years": "string"
},
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"n": {
"description": "N (optional)",
"type": "string"
},
"principal": {
"description": "Principal (optional)",
"type": "string"
},
"rate": {
"description": "Rate (optional)",
"type": "string"
},
"type": {
"description": "Type (optional)",
"type": "string"
},
"years": {
"description": "Years (optional)",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-31T22:42:44.762Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-31T22:42:44.422Z"
},
"resource": "https://api.x402node.dev/math/interest",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Interest calculator, compound interest, simple interest, loan payment, mortgage calculator, annuity, APR APY, future value, present value, investment return. Compute simple/compound interest or annuity loan payments with configurable compounding frequency. Accepts payment on Base or Solana — either network works."
}What the leaf hashes
{"body":"18679b3d86ec9eaaca10ed9288b35ecd3f1a3adef91a8acdba4ed25bbfaaf8fa","id":1810353,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560289948303,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/math/interest","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0xc2a634edfcfc361db55081efccd6e686d402fa75046fb4ba2852c6a79efc9d97
- 0xf216da63923f904ad8a262c0b9199f561b1e96fd4b5fe46d766b4c67d1b31d02
- 0xc8065b04526aff48919fb560c2175dc030ebee5a9057984bf3ee91112dd8be95
- 0x5bdb179c56c5b048f58b9b33b6978a690c20a2dfa217b9b223aeb2b90fe2526b
- 0x75e3fb8e06e63180080b1a504298ad944e5aa4e3db8f92aff44832da50531eff
- 0x0a982d7f4d37641823f10ad048e1ebaad5d49f48dd1ac61a27b0005c1632ba7c
- 0x1d3aba11103caf9e2483e7cf7ceebbf3ff44f66fc8611210b0d3191d1bb2040e
- 0x0bd37012c0f3bf07d87d90360c1217f332e92bb74b4580309c441595e771ae70
- 0xff360dc8a310ca4fafd0613e70027e841c786a139a4e1e2f2be0e8f623721960
- 0xeac3227932f0be3dc669ca404e8c9e637502953e950a35fbfb4a64b8b2e4e01f
- 0x8f7edfa34dd2882301c11345c13c6bfcd740d8c9d62496b3d7b1eb31e3c21f9d
- 0x2341fe3058274d292666071bc8119652951968d15cf7d285531e210018e7ea3f
- 0xefa31efdf607e8d04b8c9fc919db78fe5a26a3ddbd6b0e7563c8ca73dc801298
- 0x5da52d6bfc8f88d79ebced4b6bebec468f5c2d8a21c193d44e901c7a6ce7941e
- 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
- 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
- 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90