Evidence row 750895

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": 65,
      "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":"648f825741d046cb9293f9e7fe9b09d45911b35b4be279b09b07e531c203874e","id":750895,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178699088638,"prev":547614,"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 2026-10-28 (231336 rows).

1. 0xb965467a358733ff870dfbdbf385db4fe0a6cb6b761f4853d63259e932e7a764
2. 0x8121b84d74c28984a16f2a85f68821d1afedef58c2cae28c00dfd920e822aa0b
3. 0x2e662133af2ec6a2590e487b35ae80f1d56d2896f63d0f16e4cf130a0ec4198f
4. 0x4917bad770dc607e4f1bf4f2c9236474cca34ab68ed30462696c962bb84e0310
5. 0x87c516917fad5785a76dae04c56827b2f51fc3a6825f2456ffebe7fc75dc68de
6. 0xb1c557d6f11508c6a7456b4609e02904d1316b8b4421ea9d294cb45694e5ccfd
7. 0xa8804c106c5e9efb7e0ea7565a329bbf57f50d25dd07b69f6d3b714c8ccf9b92
8. 0x0803f6aaf9f5714271017c6beeddcc784a62b873f7cd2dfbbc98490d071d5be7
9. 0x385a5d6f81be977f32ed9747a2c06d5e30f0b19be07f310fe05aca12783f18e0
10. 0x5e196a3c797f79d8f9ec776367d4c9a18bdfb0b89cd91c83c51cbe80ae4be326
11. 0x55affa490e41c721fe4b63d43d1c914046f53ec931fdc62ac63f24b413065660
12. 0x4b5addc8bd51420ef27a321399f10fef2cc3fdc2a0326948b037697471b33b73
13. 0xcebf4a9e3aed292aba36cf13d3dabb64469130bf5de7b7c925c232cb853aebd9
14. 0xbff5cb8c10a36d79ad312f3729888eb704e81907920e704f80c8e5b670139050
15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae