Evidence row 15723

Observed 26 Oct 2026, 14:35 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://api.losbeto.xyz/br-pix-parse
Recorded: 26 Oct 2026, 14:35 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: c23e8ec9fac97e6eaa97bc481e4cca2de8f3ba38a76b08553c62fae08f9cea16
Leaf: 0x808e293bf5ff73ec702d6f1d6ddbc6ed7776ae1d7506312b0106b7638e707bd8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/br-pix-parse"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "8b52abaece55",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "8b52abaece55"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "8b52abaece55",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "8b52abaece55",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Decode and CRC-verify a PIX BR Code (EMV-MPM) payload. Input: the full ?code= string from a QR. Returns the pix key, amount, merchant, txid and — the part that matters — whether the CRC16-CCITT checksum actually match...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Decode and CRC-verify a PIX BR Code (EMV-MPM) payload. Input: the full ?code= string from a QR. Returns the pix key, amount, merchant, txid and — the part that matters — whether the CRC16-CCITT checksum actually match...",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "code": "00020101021226370014br.gov.bcb.pix0115pix@losbeto.xyz52040000530398654040.105802BR5907LOSBETO6012PORTO ALEGRE62110507EXAMPLE6304A156"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "code": {
              "description": "code parameter",
              "type": "string"
            }
          },
          "required": [
            "code"
          ],
          "type": "object"
        },
        "naturalLanguageDescription": "Decode and CRC-verify a PIX BR Code (EMV-MPM) payload. Input: the full ?code= string from a QR. Returns the pix key, amount, merchant, txid and — the part that matters — whether the CRC16-CCITT checksum actually matches, so an agent can reject a tampered or truncated QR before moving money. Zero upstream calls, sub-millisecond, cannot rate-limit. Use this before initiating any.... 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.01,
          "tier": "discovery",
          "vs_median_x402": 0.36
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "Brazil",
          "unique_selling_point": "Decode and CRC-verify a PIX BR Code (EMV-MPM) payload. Input: the full ?code= string from "
        },
        "sampleQueries": [
          "GET /br-pix-parse?preview=1  # free delayed sample",
          "GET /br-pix-parse  # live data (returns 402 with payment challenge)",
          "GET /br-pix-parse?code=00020101021226370014br.gov.bcb.pix0115pix@losbeto.xyz52040000530398654040.105802BR5907LOSBETO6012PORTO ALEGRE62110507EXAMPLE6304A156  # with parameters"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "code": {
                      "description": "code parameter",
                      "type": "string"
                    }
                  },
                  "required": [
                    "code"
                  ],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Decode and CRC-verify a PIX BR Code (EMV-MPM) payload. Input: the full ?code= string from a QR. Returns the pix key, amount, merchant, txid and — the part that matters — whether the CRC16-CCITT checksum actually matches, so an agent can reject a tampered or truncated QR before moving money. Zero upstream calls, sub-millisecond, cannot rate-limit. Use this before initiating any...",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "brazil",
          "pix",
          "payments",
          "crypto",
          "market-data"
        ],
        "title": "Br Pix Parse — 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": "2026-10-26T14:24:51.671Z",
    "quality": {
      "l30DaysTotalCalls": 80,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T12:56:45.918Z"
    },
    "resource": "https://api.losbeto.xyz/br-pix-parse",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "brazil",
      "pix",
      "payments",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Decode and CRC-verify a PIX BR Code (EMV-MPM) payload. Input: the full ?code= string from a QR. Returns the pix key, amount, merchant, txid and — the part that matters — whether the CRC16-CCITT checksum actually match..."
}

What the leaf hashes

{"body":"c23e8ec9fac97e6eaa97bc481e4cca2de8f3ba38a76b08553c62fae08f9cea16","id":15723,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025321294233,"prev":null,"subject":"x402_bazaar:https://api.losbeto.xyz/br-pix-parse","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