Evidence row 3761860

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/forex-rate"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "12000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "ad11c676b8c6",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "ad11c676b8c6"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "ad11c676b8c6",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "12000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "ad11c676b8c6",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Live FX rate for major pairs (?pair=EUR/USD): EUR, GBP, JPY, CHF, AUD, CAD crosses with the provider named in the response. [Wrapper over a free public source (https://exchangerate-api.com (free tier)) — you pay for o...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Live FX rate for major pairs (?pair=EUR/USD): EUR, GBP, JPY, CHF, AUD, CAD crosses with the provider named in the response. [Wrapper over a free public source (https://exchangerate-api.com (free tier)) — you pay for o...",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "pair": "EUR/USD"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "base": "EUR",
              "pair": "EUR/USD",
              "provider": "Losbeto/Forex",
              "quote": "USD",
              "rate": 1.116071,
              "source": "exchangerate-api",
              "timestamp": "2026-11-01",
              "ts": 1793511126,
              "version": "48.43.0-SIGNALFIX"
            },
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "pair": {
              "description": "Currency pair, e.g. EUR/USD, GBP/USD, USD/JPY",
              "type": "string"
            }
          },
          "required": [
            "pair"
          ],
          "type": "object"
        },
        "naturalLanguageDescription": "Live FX rate for major pairs (?pair=EUR/USD): EUR, GBP, JPY, CHF, AUD, CAD crosses with the provider named in the response. [Wrapper over a free public source (https://exchangerate-api.com (free tier)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]. Tier: discovery. Live via x402 or credits; free delayed preview via ?preview=1. Auditable on-chain settlement; Ed25519-signed metrics.",
        "outputSchema": {
          "properties": {
            "base": {
              "type": "string"
            },
            "pair": {
              "type": "string"
            },
            "provider": {
              "type": "string"
            },
            "quote": {
              "type": "string"
            },
            "rate": {
              "type": "number"
            },
            "source": {
              "type": "string"
            },
            "timestamp": {
              "type": "string"
            },
            "ts": {
              "type": "integer"
            },
            "version": {
              "type": "string"
            }
          },
          "type": "object"
        },
        "pricingRationale": {
          "notes": "Aligned to x402 ecosystem median (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.012,
          "tier": "discovery",
          "vs_median_x402": 0.43
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "Forex",
          "unique_selling_point": "Live FX rate for major pairs (?pair=EUR/USD): EUR, GBP, JPY, CHF, AUD, CAD crosses with th"
        },
        "sampleQueries": [
          "GET /forex-rate?preview=1  # free delayed sample",
          "GET /forex-rate  # live data (returns 402 with payment challenge)",
          "GET /forex-rate?pair=EUR/USD  # with parameters"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "pair": {
                      "description": "Currency pair, e.g. EUR/USD, GBP/USD, USD/JPY",
                      "type": "string"
                    }
                  },
                  "required": [
                    "pair"
                  ],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "base": {
                      "type": "string"
                    },
                    "pair": {
                      "type": "string"
                    },
                    "provider": {
                      "type": "string"
                    },
                    "quote": {
                      "type": "string"
                    },
                    "rate": {
                      "type": "number"
                    },
                    "source": {
                      "type": "string"
                    },
                    "timestamp": {
                      "type": "string"
                    },
                    "ts": {
                      "type": "integer"
                    },
                    "version": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "forex",
          "globalmarkets",
          "fx-rates"
        ],
        "title": "Forex Rate — Losbeto",
        "useCases": [
          "FX arbitrage",
          "hedge sizing",
          "cross-currency valuation"
        ]
      }
    },
    "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": "2026-11-01T05:43:31.974Z",
    "quality": {
      "l30DaysTotalCalls": 53,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-11-05T21:39:27.692Z"
    },
    "resource": "https://api.losbeto.xyz/forex-rate",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "forex",
      "globalmarkets",
      "fx-rates"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live FX rate for major pairs (?pair=EUR/USD): EUR, GBP, JPY, CHF, AUD, CAD crosses with the provider named in the response. [Wrapper over a free public source (https://exchangerate-api.com (free tier)) — you pay for o..."
}

What the leaf hashes

{"body":"4cbfdc1fcc6561bf6c747404715f944146c09f98494e848b4d7fb9592264a9b0","id":3761860,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996465757647,"prev":3063452,"subject":"x402_bazaar:https://api.losbeto.xyz/forex-rate","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0xc70831d3b9c35ff78acd4084d79a0abe8faab8c1a120f6585578cedbbac42fd8
2. 0xe10997a9c45dd65843c4f4e01ca2b0e201fe06a4a7024b099b757daac8791bb6
3. 0xde3e00a9eb1569ca9712ba7f9038aaf425fc9f70243f2647a3dbeabdd0500095
4. 0xb1e1d4228ce8da127e1b11e5ade87325c29bf84193132079be07ce7d14cd705c
5. 0x7eec21048c5bdac3abc477f766ff6c78ed08f96bfb087a000ab03ca8c8bd978e
6. 0x7ed5b005ad700695b6052e5a0dd9cdab33d2c7e7a6c703111f217ff0b698fe71
7. 0x0dcd01a0c728df5ccf3164d54ca43771d8a813490acf36893cb2640fd1458483
8. 0xa37f80d212410397adef0fb4c9a694cb0fe8939b4b4ddd172278f1c018567053
9. 0x39891ae0693d9baeeaf28294262bb51c992756605755d1a0f135dfc7f18ba44e
10. 0x885fe2333de6a085cf464aba623d1268b72adb428d662796b6f69d7951057dc8
11. 0x09f6d850d9fac2b7e360cc9cb446caadab0bc3f3a029c688939ca7303871e6a3
12. 0x3a5236189604fe816c5ffa46dfa5ae8118e9e66c8a6e6b0b96e7a5f1cd9118cd
13. 0x03fbeee0125ce81b4d9c00bca6001fb8cd45b50718d2582751cf8f8c8bda86e3
14. 0xf2bbeea848b333047f129c8686a1cb6572f51a517261b7356309c2239f36fcaa
15. 0xa1718cabb225bcfa7e8d30571095a3947ec7e2f279fac8d2d2530d955a7def96
16. 0xd47209ac9b2ac71257b5162800ce4482f8cf7ea04f074033847ad335ca758d32
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1