Evidence row 278812

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/br-macro-snapshot"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "65c5e014a3d3",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "65c5e014a3d3"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "65c5e014a3d3",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "65c5e014a3d3",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Brazil's six official macro series in one cheap call — Selic target, daily CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the ex-post real interest rate, straight from the Central Bank o...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Brazil's six official macro series in one cheap call — Selic target, daily CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the ex-post real interest rate, straight from the Central Bank o...",
        "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's six official macro series in one cheap call — Selic target, daily CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the ex-post real interest rate, straight from the Central Bank of Brazil (BCB/SGS). The only machine-payable Brazilian macro feed on x402. Built for agents that need a BR risk read before trading BRL, B3 equities or LatAm baskets.... 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.02,
          "tier": "discovery",
          "vs_median_x402": 0.71
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "Brazil",
          "unique_selling_point": "Brazil's six official macro series in one cheap call — Selic target, daily CDI, IPCA 12-mo"
        },
        "sampleQueries": [
          "GET /br-macro-snapshot?preview=1  # free delayed sample",
          "GET /br-macro-snapshot  # live data (returns 402 with payment challenge)",
          "GET /br-macro-snapshot?format=json  # with parameters"
        ],
        "schema": {
          "$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's six official macro series in one cheap call — Selic target, daily CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the ex-post real interest rate, straight from the Central Bank of Brazil (BCB/SGS). The only machine-payable Brazilian macro feed on x402. Built for agents that need a BR risk read before trading BRL, B3 equities or LatAm baskets...",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "brazil",
          "macro",
          "selic",
          "crypto",
          "market-data"
        ],
        "title": "Br Macro Snapshot — 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": "2026-10-26T14:20:02.644Z",
    "quality": {
      "l30DaysTotalCalls": 85,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T14:20:02.41Z"
    },
    "resource": "https://api.losbeto.xyz/br-macro-snapshot",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "brazil",
      "macro",
      "selic",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Brazil's six official macro series in one cheap call — Selic target, daily CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the ex-post real interest rate, straight from the Central Bank o..."
}

What the leaf hashes

{"body":"4972537bd41d826c766c2fcff707317a8180514aeaae2cc7fc5dba333d9c94d9","id":278812,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042079402565,"prev":15747,"subject":"x402_bazaar:https://api.losbeto.xyz/br-macro-snapshot","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. 0xdf88fbe39f4894bd2afdee4bb7ccee024a7f03b2529a382935b58a8141dfcf61
2. 0x544b9c03690e07bb968816ce6ebe574b59b75c5d1b33b90ac6249bf16cc364c4
3. 0x1483a7e6c041d585b9fd9ba30019dc12e81e65a209690ae797658d6ed3d86354
4. 0xb3642a8a2f4fa397aafdb2d7847f6aa2b4c688e56b3295a838b19aba4838eb73
5. 0xbdb35538f5f5266b874aa1372ecde4c44bdf167da7ea77dce551f939a1aed54a
6. 0xba97e62e6f638a3c461ab2acc09228099bd2ac4505a5910e44c50972e5922127
7. 0x3fb45396abc672bfebc4fe092719e66df626770bf913ae0afaa94b3a4292d4d7
8. 0x0a1c6d3e0c6653f56b2ae5018212dfe76399c98a41e4f7a3a5bfdc01110920f6
9. 0x3830eb775e688eed07a1723431045777b46580e6959e9ce587f21cb3b8015b8e
10. 0x31ae1db8a7234b94d9fe5367527c887819eae31f8682d2506d2e71c84c07ccd6
11. 0x81e0a64a684968fee123ac8017e882fda3952628b73684e4b974157cf7552f06
12. 0x1cde596bd397df62b2525df79e5a761af7d1a292cbcfd283ea8977aecf9334e7
13. 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae