Evidence row 547258

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": "270e71e791b7",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "270e71e791b7"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "270e71e791b7",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "270e71e791b7",
          "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": "2026-10-27T00:03:04.136Z",
    "quality": {
      "l30DaysTotalCalls": 80,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T00:03:03.932Z"
    },
    "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":"353f363f795a1a1df23ed398d6bde7d8ad3d2e74673c2e368d1354fae75ff4d4","id":547258,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133182961882,"prev":425559,"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 2026-10-27 (273461 rows).

1. 0x4de8a08f17a84113106893082c1f216a0360d766c90a597f3c3b020ee929d4ed
2. 0x8a8be6b9f6e6f9cd4674af72d424073423a648b5e3e578ecce1852889fd5bdb4
3. 0xd33b7303c4a6572a10f78efb5705b656e6b6ac676ef404c412c773f23ce82b09
4. 0xb9043c638e754c7aa75ebd4635dc913b271148f2776d3e9e0b3fc748ffed9251
5. 0xc4b6b984dac65183ad6ac7913fcc7dfa3b84a66156a4e9dcac68993ea0da0da5
6. 0x03365b674c69b18a5148ce81f2433c2ddc2dba5707d3c7b7dc64c02d03a76bf5
7. 0x8163ea440b34cc5d2dd5a2a523d8861ceea98e6bfa633347eeeecb7d2dbb7bbc
8. 0x49f1aaeda9d25647c2329926a77c756ac0b9766455ee6b57d65de527fa7ce7df
9. 0xdb8af7bfd2b14f85c782e0d2022bf60e6f0c975ec2b8f2ac21b06460ece52a52
10. 0x913c69c9ce597ae69f8c91e4f0aa01b9327ece7dbec1e3e6473754028a34c109
11. 0x699e1831216ceb5d0324397f8f4f58989765f950328c8adcbcb3a202d688993c
12. 0xf9b21ec258212225fc012a1ed6399d0ec608e930f4423d2badb8be79550861ef
13. 0x797da99476c7ebaa971607ae725e5e240b79de9e49d28859b94de107c850aaab
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4