← The evidence ledger
Evidence row 452046
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
- #72674
- Body SHA-256
- 1ad22b7fca2a6b64e67609ea7c453b776aa1b7884c04fc03d21646154afc9d52
- Leaf
- 0x73107688754f78310da52e01b7ec5977339d84852e0325c962c6d0f4ba06393b
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": 12,
"l30DaysUniquePayers": 8,
"lastCalledAt": "2026-10-25T23:38:19.56Z"
},
"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":"1ad22b7fca2a6b64e67609ea7c453b776aa1b7884c04fc03d21646154afc9d52","id":452046,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100517040296,"prev":72674,"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).
- 0x73104334ef78a9c5b8c3ebe8ed2eb9f1349ce88221d17b62955dd1be44837547
- 0x408d380c9e11488aaa391937e5c5cf3afdbddea8fad3d2d8b90a1b898cf01953
- 0x2423ab3a552abeaab9ed3d97b09de4442c3a48107ca1f0e1b6968550b3e67dec
- 0xa008d3a871c08cda32cf09592de461dd755bffc3736158f7d81f5db05731afa9
- 0x729818ca94ce3211d388f9b6a27b9d24f58b754dc0f747a58d37d6aec896b25d
- 0x6f54ea7d70f4ae9f702b967e716955df17fc986702f1b04a43444951b7a494e5
- 0xfb0052a105892ac866ca1c6db2135c14d42d87bd7c45b78f12e4af175ce87e5f
- 0xec3e8e1998fc2059014114e9bffdc7df3807f779ad25ffbc56950a6f028f5053
- 0x62dfd5164e5299bb4df5bf84739d92a78bc1454097f1f277d12a2cadcc9c95f4
- 0x7f2a99b149f63aa97762c8289399ee8ed994807b28bfca51df3a659282990633
- 0x23a51a936f60011ce90a404c26ca8b5c81a512eb324bd00dcb5ce643c0b38c8e
- 0x8a2168d13e43e2c8b0f508ca779f90beef60501499eeab439eb7d23816a97bc4
- 0x2926e99aefa0ff2e14a67a3ae10a7f6e753ce4b799c6fe531f8cbf8d33b31a66
- 0xb2ae53d841a55a805fb4078b1a7d44e08a81aba4be3690bac3a5b4c366bf39da
- 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
- 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
- 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
- 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4