Evidence row 278745

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/br-macro"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "9f98cf88b9c7",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "9f98cf88b9c7"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "9f98cf88b9c7",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "9f98cf88b9c7",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Brazil macro in one call, straight from the Central Bank (BCB/SGS): Selic target, CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the real interest rate computed from Selic and IPCA, with...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Brazil macro in one call, straight from the Central Bank (BCB/SGS): Selic target, CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the real interest rate computed from Selic and IPCA, with...",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "format": "json"
            },
            "type": "http"
          },
          "output": {
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "format": {
              "description": "Response format (json)",
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "naturalLanguageDescription": "Brazil macro in one call, straight from the Central Bank (BCB/SGS): Selic target, CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the real interest rate computed from Selic and IPCA, with a positioning read. Each series is a separate BCB endpoint with comma decimals; this is the assembled version. Deep Brazil coverage: Selic, CDI, IPCA, Ibovespa.. Tier: core. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.05,
          "tier": "core",
          "vs_median_x402": 1.79
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "core",
          "primary_tag": "Brazil",
          "unique_selling_point": "Brazil macro in one call, straight from the Central Bank (BCB/SGS): Selic target, CDI, IPC"
        },
        "sampleQueries": [
          "GET /br-macro?preview=1  # free delayed sample",
          "GET /br-macro  # live data (returns 402 with payment challenge)",
          "GET /br-macro?format=json  # with parameters"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "format": {
                      "description": "Response format (json)",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Brazil macro in one call, straight from the Central Bank (BCB/SGS): Selic target, CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the real interest rate computed from Selic and IPCA, with a positioning read. Each series is a separate BCB endpoint with comma decimals; this is the assembled version. Deep Brazil coverage: Selic, CDI, IPCA, Ibovespa.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "brazil",
          "macro",
          "globalmarkets",
          "crypto",
          "market-data"
        ],
        "title": "Br Macro — 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": "2026-10-26T14:34:28.778Z",
    "quality": {
      "l30DaysTotalCalls": 80,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-26T14:34:28.589Z"
    },
    "resource": "https://api.losbeto.xyz/br-macro",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "brazil",
      "macro",
      "globalmarkets",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Brazil macro in one call, straight from the Central Bank (BCB/SGS): Selic target, CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the real interest rate computed from Selic and IPCA, with..."
}

What the leaf hashes

{"body":"0a9cff56ccfba1f79e4df43d53f7e1be0d00e947e0fb190b5fb90e1def3dce9a","id":278745,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079096408,"prev":200489,"subject":"x402_bazaar:https://api.losbeto.xyz/br-macro","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. 0x04394541f52689c2b16a12f9285c16a67d4328161ec7c07201e35a4398bcf959
2. 0x4e2987ed6c607291cbc728e92f82ba7d14a63f1163f86d4f4949f761f9147d4b
3. 0x016f4f8f17c5eba74816e6f2fcb37b033c71049604a3bb68760b254de9d2acfd
4. 0xe399c55b3a412cfd1cad1eda7495104e60e6d8e617f062bae804223e4231d223
5. 0x413120e301d8d5b6b5fc588c07e5c5264addb1530c17e2c88d1edcc99934aa4e
6. 0x7c54dfc418871311a8ff0d7faace8ec747196f6ace58de65685bfdf67eb05140
7. 0x178e0d6b8abb934955789e52a9d260eacc3d8d6d2f56cf56e3c720722c7dd850
8. 0xa683e342e3d46ee9c7d106e879450c34e47a68fdb474ea836e673496a6dfa335
9. 0x0f58054eee3167ffa703c7e354e54aa9405cb3f514caf06ce2ee9fb51eb1a904
10. 0x28efbda3043fe0ad6931419f72618781ad3b289c046ef258b300ab314d01bde2
11. 0x0dadbaadc61f6ee6be4586a11afb533e54da3f5fef5c8ec2ecba1bfa573ce6d3
12. 0x23033d81d9f4be06225e4276d276e0e8e02abc173d156a1b9a8fd5e4803ad199
13. 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae