← The evidence ledger
Evidence row 526986
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://coord.taifoon.dev/v1/x402/class/market.price
- Recorded
- Previous row
- #452046
- Body SHA-256
- 4827b6b0add3ddd2124b308d0f4d6c3d997abc7eaa54340eb7348d78bd538d0c
- Leaf
- 0xcf113accad161f4c1435d02366b48781b4a1348c51c1f70b4ddb9892949dc9fb
What was observed
{
"endpoints": [
[
"x402",
"https://coord.taifoon.dev/v1/x402/class/market.price"
]
],
"name": "Taifoon",
"owner_address": "0x3574999dd4c96eb73bd6e11d4177010c83e14f5b",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"description": "Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the Taifoon venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). BTC, ETH, SOL are held to Chainlink on Base within 1 % when its feed is under 1 h old. 0.003 USDC a call.",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 300,
"mimeType": "application/json",
"network": "eip155:8453",
"payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
"resource": "https://coord.taifoon.dev/v1/x402/class/market.price",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"description": "Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the Taifoon venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). BTC, ETH, SOL are held to Chainlink on Base within 1 % when its feed is under 1 h old. 0.003 USDC a call.",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 300,
"mimeType": "application/json",
"network": "eip155:42161",
"payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
"resource": "https://coord.taifoon.dev/v1/x402/class/market.price",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x3600000000000000000000000000000000000000",
"description": "Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the Taifoon venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). BTC, ETH, SOL are held to Chainlink on Base within 1 % when its feed is under 1 h old. 0.003 USDC a call.",
"extra": {
"name": "USDC",
"version": "2"
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 300,
"mimeType": "application/json",
"network": "eip155:5042",
"payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
"resource": "https://coord.taifoon.dev/v1/x402/class/market.price",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
"description": "Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the Taifoon venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). BTC, ETH, SOL are held to Chainlink on Base within 1 % when its feed is under 1 h old. 0.003 USDC a call.",
"extra": {
"name": "Global Dollar",
"version": "1"
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 300,
"mimeType": "application/json",
"network": "eip155:4663",
"payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
"resource": "https://coord.taifoon.dev/v1/x402/class/market.price",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
"description": "Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the Taifoon venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). BTC, ETH, SOL are held to Chainlink on Base within 1 % when its feed is under 1 h old. 0.003 USDC a call.",
"extra": {
"name": "USDC",
"version": "2"
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 300,
"mimeType": "application/json",
"network": "eip155:143",
"payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
"resource": "https://coord.taifoon.dev/v1/x402/class/market.price",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"description": "Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the Taifoon venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). BTC, ETH, SOL are held to Chainlink on Base within 1 % when its feed is under 1 h old. 0.003 USDC a call.",
"extra": {
"feePayer": "F742C4VfFLQ9zRQyithoj5229ZgtX2WqKCSFKgH2EThq"
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 300,
"mimeType": "application/json",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "GQcEn5pLcweo7qaiy3rDdsiUPiygygmFBaixNtNqhQVD",
"resource": "https://coord.taifoon.dev/v1/x402/class/market.price",
"scheme": "exact"
}
],
"description": "Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the Taifoon venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). BTC, ETH, SOL are held to Chainlink on Base within 1 % when its feed is under 1 h old. 0.003 USDC a call.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"symbol": "ETH"
},
"type": "http"
},
"output": {
"example": {
"age_s": 41,
"as_of": "2026-10-11T18:20:00.000Z",
"bar": {
"c": 2538.81,
"h": 2539.1,
"l": 2538.6,
"o": 2538.88,
"t": 1791742740,
"tf": "1m",
"v": 12.4
},
"class": "market.price",
"digest": "9f2c…",
"fresh": true,
"ok": true,
"price_usd": 2538.81,
"reference": {
"age_s": 600,
"off_pct": 0.02,
"source": "Chainlink ETH / USD on Base",
"usd": 2539.4
},
"replay": "https://clob.taifoon.dev/tape/v1/candles/ETH/1m?from=1791742740&to=1791742799",
"source": "the Taifoon venue tape (https://clob.taifoon.dev/tape/v1/candles/ETH/1m): the close of the last closed 1-minute bar",
"symbol": "ETH"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"additionalProperties": {
"type": "string"
},
"properties": {
"symbol": {
"description": "the symbol to price: one the Taifoon venue tape holds",
"enum": [
"BTC",
"ETH",
"SOL",
"NQ",
"ES",
"YM"
],
"type": "string"
}
},
"required": [
"symbol"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"age_s": {
"description": "seconds since the bar closed; at most 180, else no price is served",
"type": "integer"
},
"as_of": {
"description": "when the bar closed (ISO 8601)",
"type": "string"
},
"digest": {
"description": "sha256 over the bar’s \"t,o,h,l,c,v\" line (the market.candles digest)",
"type": "string"
},
"price_usd": {
"type": "number"
},
"replay": {
"description": "the tape GET that returns the same bar",
"type": "string"
},
"symbol": {
"enum": [
"BTC",
"ETH",
"SOL",
"NQ",
"ES",
"YM"
],
"type": "string"
}
},
"required": [
"symbol",
"price_usd",
"as_of",
"age_s",
"digest"
],
"type": "object"
},
"type": {
"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/v1791930045/bazaar-icons/4c3bc9abe8ba2916.png",
"lastUpdated": "2026-10-27T10:05:19.108Z",
"quality": {
"l30DaysTotalCalls": 13,
"l30DaysUniquePayers": 9,
"lastCalledAt": "2026-10-27T10:05:17.469Z"
},
"resource": "https://coord.taifoon.dev/v1/x402/class/market.price",
"serviceName": "Taifoon",
"tags": [
"market",
"price"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the Taifoon venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). BTC, ETH, SOL are held to Chainlink on Base within 1 % when its feed is under 1 h old. 0.003 USDC a call."
}What the leaf hashes
{"body":"4827b6b0add3ddd2124b308d0f4d6c3d997abc7eaa54340eb7348d78bd538d0c","id":526986,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124793393669,"prev":452046,"subject":"x402_bazaar:https://coord.taifoon.dev/v1/x402/class/market.price","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0xcf114e0ef92d88a60258d519179b4bfa7eba5899c30f5fa5f6e17cc975876275
- 0xd43d9ba1d6773ffd48911299afef559088e86ab03a7359dcb2d4b1339086e13c
- 0xff16a83c36e26980e5569cfd0450de6c8f525eb5f9a60120ebe69919cb65be1f
- 0x2315266b0d0172180638f08b92a89d08ee2f8c19c6aa1df2cc578b62f081e1b9
- 0xab8a3e5c7d15f99dc7a10c6958f291922791af31ee90ad0b15948853ddda466a
- 0x6f5d81a824b5171fa4db9b664c319fe010786b156fe4356233b0ff2d243839dc
- 0x00ce4e4952237c83b7b23a3b0e5a20c2d1b08b067c6a7c3c1cb6d9fe9a8cca10
- 0x67279fdbe1deb9ccc5713f0c83f60c0f2a6c6fb166c6421ead78b8ff89d4792e
- 0xfbf456ec979783b30d118d393034100653da2db4e67c1386d168723edd6260da
- 0x265e21bc620afd5f46c449651a2ec139e67fa79e03222ea0e866b26e92d7ffca
- 0x1b795fb9abcd1a676d4c0ff9d91ca003c12e195f5c97f0608cf1bba69a05bb30
- 0x66e8d9e469038ef11a686abeed12c8ceb38a1a8cd79012ccf20d29a30858cbbc
- 0xeb77e9d1884bf470f4a13a5869956a83ac37957112a29ccb9e63ddf7791b5a0b
- 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
- 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
- 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4