Evidence row 278787

Observed 26 Oct 2026, 19:14 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://api.losbeto.xyz/br-pix-code
Recorded: 26 Oct 2026, 19:14 UTC
Previous row: #15722
Body SHA-256: d7af0d2c75d7c3af77367200766734440ebb5ec7404f23e5509f4857f03c0288
Leaf: 0xb2cbd1930783c1391203fb92054de5a08efddb576fc59d9f84227d3b336a89af

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/br-pix-code"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "2d0f733afbe7",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "2d0f733afbe7"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "2d0f733afbe7",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "2d0f733afbe7",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, amount, txid. Returns the EMV payload with a correct CRC16, plus a self-check that re-parses what it just built. Use when an age...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, amount, txid. Returns the EMV payload with a correct CRC16, plus a self-check that re-parses what it just built. Use when an age...",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "amount": "10.00",
              "key": "pay@example.com"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "amount": {
              "description": "amount parameter",
              "type": "string"
            },
            "key": {
              "description": "key parameter",
              "type": "string"
            }
          },
          "required": [
            "amount",
            "key"
          ],
          "type": "object"
        },
        "naturalLanguageDescription": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, amount, txid. Returns the EMV payload with a correct CRC16, plus a self-check that re-parses what it just built. Use when an agent needs to be PAID in Brazil. Do NOT use to decode an existing QR — that is /br-pix-parse.. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.01,
          "tier": "discovery",
          "vs_median_x402": 0.36
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "Brazil",
          "unique_selling_point": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, a"
        },
        "sampleQueries": [
          "GET /br-pix-code?preview=1  # free delayed sample",
          "GET /br-pix-code  # live data (returns 402 with payment challenge)",
          "GET /br-pix-code?key=pay@example.com&amount=10.00  # with parameters"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "amount": {
                      "description": "amount parameter",
                      "type": "string"
                    },
                    "key": {
                      "description": "key parameter",
                      "type": "string"
                    }
                  },
                  "required": [
                    "amount",
                    "key"
                  ],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, amount, txid. Returns the EMV payload with a correct CRC16, plus a self-check that re-parses what it just built. Use when an agent needs to be PAID in Brazil. Do NOT use to decode an existing QR — that is /br-pix-parse.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "brazil",
          "pix",
          "payments",
          "crypto",
          "market-data"
        ],
        "title": "Br Pix Code — 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": "2026-10-26T14:25:03.533Z",
    "quality": {
      "l30DaysTotalCalls": 83,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-26T14:25:03.351Z"
    },
    "resource": "https://api.losbeto.xyz/br-pix-code",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "brazil",
      "pix",
      "payments",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Generate a valid static or amount-fixed PIX BR Code from ?key= plus optional name, city, amount, txid. Returns the EMV payload with a correct CRC16, plus a self-check that re-parses what it just built. Use when an age..."
}

What the leaf hashes

{"body":"d7af0d2c75d7c3af77367200766734440ebb5ec7404f23e5509f4857f03c0288","id":278787,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079320040,"prev":15722,"subject":"x402_bazaar:https://api.losbeto.xyz/br-pix-code","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON