Evidence row 547253

Observed 27 Oct 2026, 20:33 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://api.losbeto.xyz/br-pix-code
Recorded: 27 Oct 2026, 20:33 UTC
Previous row: #425558
Body SHA-256: e646fb1b6ef1d7cc9e22efbcd07bad963e22f00a935981dd40a90a2fa5e0514c
Leaf: 0x0ae62ecc9b95987214d7d23dfc7293764ea9b5b17ec27ff7ea4b941d67917bb9

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": "40a4029e608a",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "40a4029e608a"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "40a4029e608a",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "40a4029e608a",
          "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": "2026-10-27T00:03:15.808Z",
    "quality": {
      "l30DaysTotalCalls": 81,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T00:03:15.614Z"
    },
    "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":"e646fb1b6ef1d7cc9e22efbcd07bad963e22f00a935981dd40a90a2fa5e0514c","id":547253,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133182946169,"prev":425558,"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 2026-10-27 (273461 rows).

0x0ae67b18587c9e46648a3c09ba0c9d788f35bcc8fa5dbee9bfd7065cb4737804
0xc1034780adbaf19e0cf444b8d869c4cf7792d0de433995de9a9d74034a324d48
0xa64445b61b2325bb68bec0ff4b8b162b2f437ed207740ced99bf105073f16c85
0x9c0d02b5bc692ada558411ba0a90c78c5c259fdd2a369fa9f3a5755cf6ecaf1d
0x5149e0fe68848d7d8005e3c44188629f34e2e2d32c20e1cea1ee308f0714bdfb
0xe7326b65ead880e0fd1ab3849822cd07a420b92cb07a22803ff13cfe444cddee
0x2baa0d2858f019deaab4d37a3281a7face2425e2ae6f29d9a1fb91198852d9a1
0xd5e0d95b8bf90d0389dd2c0bcb0bde36e463229a0dbbb4098b552e732cac3ac1
0x0b71566d473211a0e78fa32d572bb046d75715d9d3e9faf6aaaf5336042215c5
0xb6a4450b4a9940eedd2b07861f4e3bb98cbc22cfb025b648245e62a4512ea7b3
0xab9a818db8b8604daa1d300b5336a7ecdc718ee9de04e347884c3c2ff6e455d3
0x7189e38499a0d36b6f3d244260e4b1d8d20ec79407f4be030531131834122360
0x74ffd6144e8464591ea30392b981f197426cfd361178829fb8a66915e2f727b0
0x3e0ec8a2a8a954695a9b53a4a48a7656d7e3fd6a8795c73b49e2ef05b201ec3f
0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root: 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained: 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published: On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON