Evidence row 1038362

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/br-brief"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "400000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "a12aed076ae8",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "400000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "a12aed076ae8"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "400000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "a12aed076ae8",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "400000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "a12aed076ae8",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Brazil in global context, written for an international desk: BCB macro, the real interest rate, Ibovespa, B3 blue chips (PETR4, VALE3, ITUB4) and how the dollar and commodities are feeding in — closed by an AI strateg...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Brazil in global context, written for an international desk: BCB macro, the real interest rate, Ibovespa, B3 blue chips (PETR4, VALE3, ITUB4) and how the dollar and commodities are feeding in — closed by an AI strateg...",
        "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 in global context, written for an international desk: BCB macro, the real interest rate, Ibovespa, B3 blue chips (PETR4, VALE3, ITUB4) and how the dollar and commodities are feeding in — closed by an AI strategist synthesis. The only Brazil-focused product on x402.. Tier: flagship. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.4,
          "tier": "flagship",
          "vs_median_x402": 14.29
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "flagship",
          "primary_tag": "Brazil",
          "unique_selling_point": "Brazil in global context, written for an international desk: BCB macro, the real interest "
        },
        "sampleQueries": [
          "GET /br-brief?preview=1  # free delayed sample",
          "GET /br-brief  # live data (returns 402 with payment challenge)",
          "GET /br-brief?format=json  # with parameters"
        ],
        "schema": {
          "$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 in global context, written for an international desk: BCB macro, the real interest rate, Ibovespa, B3 blue chips (PETR4, VALE3, ITUB4) and how the dollar and commodities are feeding in — closed by an AI strategist synthesis. The only Brazil-focused product on x402.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "brazil",
          "premium",
          "macro",
          "crypto",
          "market-data"
        ],
        "title": "Br Brief — 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": "2026-10-26T23:53:34.699Z",
    "quality": {
      "l30DaysTotalCalls": 60,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T23:53:34.505Z"
    },
    "resource": "https://api.losbeto.xyz/br-brief",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "brazil",
      "premium",
      "macro",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Brazil in global context, written for an international desk: BCB macro, the real interest rate, Ibovespa, B3 blue chips (PETR4, VALE3, ITUB4) and how the dollar and commodities are feeding in — closed by an AI strateg..."
}

What the leaf hashes

{"body":"a2b19a8b138349cad619b33570e577939f6ee72eca0d406e341bb88a37f19952","id":1038362,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298268591248,"prev":785327,"subject":"x402_bazaar:https://api.losbeto.xyz/br-brief","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xa462f5dbd6233943188c80bc755f5476be08b3a92fc2dbde39318a14f750a886
2. 0xb7f9229a06a1a9f03efa002bcabfda8e11e046b9e4424f5541ce022d2a325e16
3. 0x5443caf9d310db330ddcea07836122ea9bf40d5a2e34f7c46059a73e336e7aa7
4. 0xea365ffbfbcf8c18bbbf82ed8b7da6aef181bb3bae1a50ea3738962cd5e1fdce
5. 0xf03e38125d44f039149d0743b7f9d744d28fd9bc1d474f2b6ccb7ba6f9358fda
6. 0x83c3a577f68b5d90fa14a6736825a50d6e181046e7feea0a17629ce23bbc4a93
7. 0x6b10fd171315a45aff8329363a925bcc6070edf01dc8894f82e9ff5c82eb64dd
8. 0x2c502958e1c2020513a98e356b3cdcd35bcc7cc1057d3793110ef8647057e32f
9. 0x6ebb6d6f2824cfeeca8ef6b86a2d72c8ed71d172a0c1326f89472e7551ee5010
10. 0x6d44491e32280bb9f5759d1bdae03bb527b3c64376672ba69008c249c6a7d027
11. 0xbeda2a8bda3ec47161ea70d33d2c5853aac24fc7cf152f45d7f8bd3ee23f0daa
12. 0x72e505d82f60c5658626e2964c5e4af96fe557d2665a118c8a32969a10892747
13. 0x94e478acbc2c3295d80ec724aefbece47c88aacf0c52e04d39a48da5b85a8925
14. 0x391d7d4dd95ff3f26ed046f59cb7617fe53d7bb32216fddedcb614635f3079dc
15. 0x4a1f9fe26bf92c291485b5fb33b95d1917a994e417ac0526ccef55ede0a90a4c
16. 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1