Evidence row 278788

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": 82,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-26T14:24:51.455Z"
    },
    "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":"134c86eef1eac58b1057f8fc8bab9a34c8c8a965f5f2c5796464f5bca37eb483","id":278788,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079323140,"prev":15723,"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).

1. 0xecd12bdfaf6181b960533c68c22757b61b1bb3021ffe7eb4517386e87f34f3c5
2. 0x2d3f3b170598fee9e150e2d9423f3d5f9ea3da45f0e67121bf73c9ef4ffa508e
3. 0xeade0aa11a2406ce8fd4806c78bb36837a73e83526a7e85c71c1898288e80afd
4. 0xa2c83352d3fb3ebec9bc267c8758fbeb4ba4fc2c7e2988910228bd062745e305
5. 0x23b4d2530e87485afde9acc7b98347c6d113782d6ede7f4bbb3534dfde5a874b
6. 0x0610b7e4dc4f7d34ffc2dbf3721a32d43170fcc115e5ef0711db1bd0d1e2de0b
7. 0x511bb88994df18c72df43a770260b9018a1400e538945a3729acc38e1df3edfd
8. 0x61cae79649e2e450b57a0e35b9b52743c9f0a6b129c8b9501744668f6360fa8d
9. 0x6fcb07a579951913045f28631e521704a8c1446a794b8829c6567055bdd388bf
10. 0xbd0fe1f0b167ff665b9719ad8dc002f05cde40b88825cbbc513241eb8e47063c
11. 0x94e3a06f6e015a8e8a8a7e2c73991edf3f9ceb9ff83b85412d31c39f3e9bc8c1
12. 0x4bac6365a3676c613d57c80f4d4f617e583205074db24f3dec4d2ed4939a26e6
13. 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae