Evidence row 407712

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": "93f1d13c1ba9",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "93f1d13c1ba9"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "93f1d13c1ba9",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "30000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "93f1d13c1ba9",
          "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": "2026-10-27T00:09:21.491Z",
    "quality": {
      "l30DaysTotalCalls": 73,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-27T00:09:21.277Z"
    },
    "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":"46091c48c6c612e0a36b1218f9c5d21bc47e911ca27c70f35ef0177da1e8779c","id":407712,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080251491630,"prev":278696,"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 2026-10-27 (273461 rows).

1. 0x91084438c23eec20a6adff296506d40ba8deb5719153daad4d60b961e9056648
2. 0x071290d0bc7c6e05bc6807ee93d8b5e8ba415fb215227f92706d8731da719077
3. 0xc89a7d15745d267b598353dff5b1e5f17c39f2ec6601e5e6ab27614ec7473c46
4. 0x866a512dec3acdc7d9cf534c1576301b22bba626db824d40a18c835369abb026
5. 0x593b1aa8bef860fc9900546c4393d2231b7cd2b5133b860d401a0a03b33ea562
6. 0xd4a07c971809d6d7ab7cba6cd42730f76fd0e5a1707c08ffd9239ebf0d827a1c
7. 0x96a1b7afd896e2ae0a1623591d6f7bf2649949984dbef60772b92a1d69640e33
8. 0xb9d87578605cb783879caa148a8226c4ace2a13783f52b56a88f340c933f52e9
9. 0x8f565cdd57d6208f088fe2949de871ede4952d2764ef9a4ae54a284341e6585d
10. 0xcf1579124a36b994ebce625361a328f39495c357c67b5a9dc898c6b372112fc1
11. 0xe4e0761e46bc22777bc9e4a5791f18fb8244210f2d943234802b8ccdc8d058dc
12. 0xfd2b06953e26e4e360d929209ec04f8c67b7bbdc4861dbc60618fbc5f9b393f0
13. 0x5c9cbca5bb1d6be4d84e301b4e4c1a280536eb16ee98ed4add9057142c132dde
14. 0x06e3b43165f5b3c31d850bc32f20b2e25b844564c4e042c141b9748c26a5a600
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4