← The evidence ledger
Evidence row 1264255
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://mcp-x402.onrender.com/x402/crypto-trending
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d15e08edbe46eeed1d8fab63e424f9ba484a2e533edf3c110e7149dfdd8c3d2b
- Leaf
- 0xb72f5fea80f537f2183393da948393ead3cc4ff9951fd29a76a5134566e7f8c4
What was observed
{
"endpoints": [
[
"x402",
"https://mcp-x402.onrender.com/x402/crypto-trending"
]
],
"name": "mcp-x402.onrender.com/x402/crypto-trending",
"owner_address": "0xc29185fa176357612f3194735753e520e91adc46",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"description": "Trending crypto (CoinGecko + CoinCap fallback). Pay 0.001 USDC on Base using the fresh PAYMENT-REQUIRED challenge and caller-authorized PAYMENT-SIGNATURE.",
"extra": {
"callerControlsSpend": true,
"challengeHeader": "PAYMENT-REQUIRED",
"name": "USD Coin",
"paymentHeader": "PAYMENT-SIGNATURE",
"responseHeader": "PAYMENT-RESPONSE",
"version": "2"
},
"maxAmountRequired": "1000",
"maxTimeoutSeconds": 300,
"mimeType": "application/json",
"network": "eip155:8453",
"payTo": "0xc29185fa176357612f3194735753e520e91adc46",
"resource": "https://mcp-x402.onrender.com/x402/crypto-trending",
"scheme": "exact"
}
],
"description": "Trending crypto (CoinGecko + CoinCap fallback). Pay 0.001 USDC on Base using the fresh PAYMENT-REQUIRED challenge and caller-authorized PAYMENT-SIGNATURE.",
"extensions": {
"bazaar": {
"discoverable": true,
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"data": {
"categories": [
{
"coins_count": "…",
"data": "…",
"id": "…",
"market_cap_1h_change": "…",
"name": "…",
"slug": "…",
"top_3_coins_images": "…"
},
{
"coins_count": "…",
"data": "…",
"id": "…",
"market_cap_1h_change": "…",
"name": "…",
"slug": "…",
"top_3_coins_images": "…"
}
],
"coins": [
{
"item": "…"
},
{
"item": "…"
}
],
"nfts": [
{
"data": "…",
"floor_price_24h_percentage_change": "…",
"floor_price_in_native_currency": "…",
"id": "…",
"name": "…",
"native_currency_symbol": "…",
"nft_contract_id": "…",
"symbol": "…",
"thumb": "…"
},
{
"data": "…",
"floor_price_24h_percentage_change": "…",
"floor_price_in_native_currency": "…",
"id": "…",
"name": "…",
"native_currency_symbol": "…",
"nft_contract_id": "…",
"symbol": "…",
"thumb": "…"
}
],
"rwas": [
{
"data": "…",
"id": "…",
"market_cap_rank": "…",
"name": "…",
"symbol": "…",
"thumb": "…"
},
{
"data": "…",
"id": "…",
"market_cap_rank": "…",
"name": "…",
"symbol": "…",
"thumb": "…"
}
]
},
"degraded": false,
"source": "coingecko.com/api/v3/search/trending"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"type": "string"
},
"queryParams": {
"properties": {},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type",
"example"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-29T20:30:54.039Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-29T20:30:53.804Z"
},
"resource": "https://mcp-x402.onrender.com/x402/crypto-trending",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Trending crypto (CoinGecko + CoinCap fallback). Pay 0.001 USDC on Base using the fresh PAYMENT-REQUIRED challenge and caller-authorized PAYMENT-SIGNATURE."
}What the leaf hashes
{"body":"d15e08edbe46eeed1d8fab63e424f9ba484a2e533edf3c110e7149dfdd8c3d2b","id":1264255,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385646005365,"prev":null,"subject":"x402_bazaar:https://mcp-x402.onrender.com/x402/crypto-trending","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (243099 rows).
- 0xb72f01b1bd80d7f7dffc36431087b50e397b20e6c85b1d9f195d7ae8009204d5
- 0xb362207b8d2d6cf8e78bc5f1b175b16cca9f7385d81f938ef4be07ba49b23e2e
- 0x95c7b3e56b03db31505f3365460f1f4a5aa47654c81cd5750699771d84aeb203
- 0x4e52c0413aee977dc93c6cfe486c5e3f3a2438a0dee217ab65736c02c3d2f104
- 0xcca3e3b90d4edf79e8b1e51558368fac9a51028cdbf255489fa6fb844a2efd78
- 0x382eba07caef3152e2eb538a4fa4c079bc5d4cc9024b9973ae479bd968703f59
- 0xb479866f7884b7faf87e7a1c4eaaad978e9ba707e12e1c955423c94d8ccaa98b
- 0xcb4c869b36a377da725e6b23fb04203f0603875713672eb9f87169658d216149
- 0x40799193a71415b8edc99d619b99a743bfbff7e3d0b18a316f37d88dd8720969
- 0xaacb57aec3dc8ce684a5d68fd8b23f0fdc04b9e98a29d5911d25327ef1cac242
- 0x255148be541b5fd17957fd3c65cb738519d16af59660f9e9f4ddd967877fb114
- 0x5a3e60b10014ee1f267b38c56cccb6113123e4959dfa2a6ee9dcc24c8712d06c
- 0x5643b9288b814282552e201f88aaff802fe65d56312c6c392b831728b9fe829f
- 0x4ac91605f15503f7d7aa9a25d4e54c100a1a62c26e93a7ed87049569e871a9a4
- 0xa0b1f6bc1eecfaf70581673c1a7f638b96d1769a5c578c460337f7db0dbe963e
- 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
- 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
- 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861