Evidence row 1260492

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/global-rates"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "30000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "a99cfff04908",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "a99cfff04908"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "a99cfff04908",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "a99cfff04908",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "The six policy rates that price the world's money in one call: Federal Reserve, ECB, PBoC (LPR), Bank of Japan, Central Bank of Russia and Brazil's Selic — headline series from the BIS daily policy-rate feed (official...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "The six policy rates that price the world's money in one call: Federal Reserve, ECB, PBoC (LPR), Bank of Japan, Central Bank of Russia and Brazil's Selic — headline series from the BIS daily policy-rate feed (official...",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {},
          "required": [],
          "type": "object"
        },
        "naturalLanguageDescription": "The six policy rates that price the world's money in one call: Federal Reserve, ECB, PBoC (LPR), Bank of Japan, Central Bank of Russia and Brazil's Selic — headline series from the BIS daily policy-rate feed (official), with a live cross-check against each primary source (FRED, ECB SDW, BCB SGS) and the carry differential vs the Fed in percentage points. Built for agents pricing.... Tier: discovery. Live via x402 or credits; free delayed preview via ?preview=1. Auditable on-chain settlement; Ed25519-signed metrics.",
        "pricingRationale": {
          "notes": "Aligned to x402 ecosystem median (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.03,
          "tier": "discovery",
          "vs_median_x402": 1.07
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "GlobalMacro",
          "unique_selling_point": "The six policy rates that price the world's money in one call: Federal Reserve, ECB, PBoC "
        },
        "sampleQueries": [
          "GET /global-rates?preview=1  # free delayed sample",
          "GET /global-rates  # live data (returns 402 with payment challenge)"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {},
                  "required": [],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "The six policy rates that price the world's money in one call: Federal Reserve, ECB, PBoC (LPR), Bank of Japan, Central Bank of Russia and Brazil's Selic — headline series from the BIS daily policy-rate feed (official), with a live cross-check against each primary source (FRED, ECB SDW, BCB SGS) and the carry differential vs the Fed in percentage points. Built for agents pricing...",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "globalmacro",
          "rates",
          "centralbanks",
          "crypto",
          "market-data"
        ],
        "title": "Global Rates — Losbeto",
        "useCases": [
          "market data input",
          "AI agent research",
          "systematic trading"
        ]
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790529703/bazaar-icons/b104f2f7df1a4ce6.png",
    "lastUpdated": "2026-10-28T08:00:16.323Z",
    "quality": {
      "l30DaysTotalCalls": 71,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-28T08:00:16.063Z"
    },
    "resource": "https://api.losbeto.xyz/global-rates",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "globalmacro",
      "rates",
      "centralbanks",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "The six policy rates that price the world's money in one call: Federal Reserve, ECB, PBoC (LPR), Bank of Japan, Central Bank of Russia and Brazil's Selic — headline series from the BIS daily policy-rate feed (official..."
}

What the leaf hashes

{"body":"a1ba1e9c39906d3f9467974f3a6324737e292e6cb019c8aa0191b56f99547246","id":1260492,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385476182905,"prev":785629,"subject":"x402_bazaar:https://api.losbeto.xyz/global-rates","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xd86e28e36cc9d8fc37dc63f2541d3b7c580652b15cd6f543a79493e29af5fb83
2. 0xf21e2102658115dcfce310affa84548545e4025298b1f616b5ff87449125513c
3. 0x84e8ced415a398b0d74b70ab7eed97d63c8edc9c46599d673e48dd16b54ba626
4. 0x2c678bd0a5ad5f389a9bcdf939679d4d4db4fbbff0c45e19c18d916263dcb054
5. 0x46b5bd54b7a80c8e0e40a9943c205e43c99f2e37910e90a012e67ecbcddb813d
6. 0x493525a3f221e1ed079b421796f8a61ab02532cd9e0b9acf898d76fa9b9d0162
7. 0x71e47343c7d559c178730b17934d935324870faf280553f149014c9171898d5f
8. 0x6f407a26581e78a7e443bcde1ebe3bc2e5c4ab77e0f5c8c7e2560fc80eade532
9. 0x241f0d925276d7fea1a0110a2bed61fcb6769d760752c522aad5527ccc5b8373
10. 0x80e9ad5bb1faab1d58a370cad9b12e163d99a4bb8a1f9f5ff2ff84f96a399679
11. 0x4c36dbcea3e3e5eade4a988306fed59ae8899e0cd2de7beba355b847340ae978
12. 0x09e8b778a3a882a2b7e8eeaed24444fea6fbcf5ed98d2f35f1fd277129b4f6b5
13. 0xffdeb8d65b887604686b39ec0582e84786c68382b3e12fe6f56a19f9e0665614
14. 0xbfb4e09ea246d6cb4bd9c9eab033e6c0a787969a9a66a77312e83430b0de95f8
15. 0xf007cd9640267a58ddffce96e27f5682cf5c47530f53dc15dc53e4ccd405c6c9
16. 0xfbe61dc2d59668ac573e5eab865747e21d38bf2fe4c64762beef01f1018a4dea
17. 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861