Evidence row 2198991

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": 61,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-11-02T15:56:49.529Z"
    },
    "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":"c6376ee123fc49629047b2e00834ab7c61cdc395ad3a68401b7d9314a6a2fa30","id":2198991,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646754202325,"prev":1788069,"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 2026-11-02 (444186 rows).

1. 0x7f01dca6ce7832458f735001d349f2cede5c04f114eb2d664604b14effe7008d
2. 0x6acd2c887254926016d49ff58041935c26e9146137d263309c25d93b58405c25
3. 0x705a28b72fd81fce54462a05df384722f405534548bec6511d8deb250760f651
4. 0xcb7466b7fce1afea1f5ec48fc7f422b0908e2eb0b9d6ccf55bfdbd6e3a82f9c8
5. 0x1c6d1f75e25a6f1902c4f03de9aa88c5413bb9cc2c48580d6438057259838d30
6. 0x96a3c6b2df69a1e1c5914cad47a4c914eb469ccd61c0b6fa1e0106d94db9e7b4
7. 0x956a8e5d77db0074236f4a5885c04f26a8e8a021165556116a3c33010e34deb3
8. 0x6952af10b90264b37bf4ece67bdb5400bbbe03c2faece0d7b2182fba7b1ff064
9. 0x8b49cdbb800e06bc9a64b5b7fe7dbd4cf1e84d34baaa7198ab27bcc27729c19d
10. 0xbc1fffe766071f183928ba4f7b6970cf87ab7618ad25844b3fd2c27d280b6af6
11. 0x9199ad395cc1f1760b07187fe8eb98f45c9bb6112ec37236facf6d8042ec62f9
12. 0xab3bfc6956e0d2d9bda3875a9c1d784993791f3bdde29d6d08a3ba5bbe6e620c
13. 0x8e66b29b3c90df538b0747f470a8bf19f7d97dcd0cb8f1d9345876a0f21cff35
14. 0x3e60cda43ffc319c006284ca48609bc80da357b45fb9e0a57810e00816d3e8e0
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af