Evidence row 785327

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": 63,
      "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":"0b3a60f09da25a8610cef0cef2d5261b329f4d9a3638c916b6253859f2d7b4cb","id":785327,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793211216156123,"prev":750895,"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. 0x27215f560c4792e2ffb1e2e9decd436d068a8eed2ea17506dee5b6b4f90d6196
2. 0x962307a041bcf24c8ea7902aa3609afe33e1ba60fdc59b0d20710d9a68e5d0ae
3. 0x0d5b0626225f33b29600de182bb7aee847717284150bbbf90a7e0b7d52b04448
4. 0x061b0b4bab950a4b3e2c7272285b1dace8da9962ac81b2945d68555c50398f9a
5. 0x3347355e195a85437a7a5f3421d778513e569f0f7c66f355bdee321a251fac0c
6. 0x954edc353f38485699d1d9a57ba3f10a52138ca6eec90ee0702e886cb15b1735
7. 0xc40f4665fb0ac942334c9ed85130f66a08d6ac5b39725f3d5c2cb40e47bc9c9a
8. 0x736437b90aae59d22203273e133db999ec2c1ef73ffafcce0a9aa3d8c1407a1b
9. 0xfb0e60da7d15980a956b1fcff33901a84b6f51d62146f9338bf31d1fa5790689
10. 0x958a32ef92b2ba87b3ce2a26b3ced996dbda476649d58882e5555fa1cfa1ba7c
11. 0x027e12b0a28856ca9df389a4ea99a1919dd92fd8fb0cf17a014b9991700c1081
12. 0xd5cf3949d64385f93139a7fe587a2a2a5914492d5173ba33feced3c7038c0d7f
13. 0xfcc0286dc0eb69aad96b886d1f2a42a5bc1d90d84cfc212c4ef6bde6a564a1de
14. 0x5c170d609340e1f702f31fcdd7742289f0913d4395f688b3409031b758c69eae
15. 0x8d500b42a7bdba5e17ebd9e6a404f2de5260cf3420865b41e7de8c69434ce413
16. 0xaeb1503e5d0d358b256ba97a10178c357ddb8f55cc961925ccf0458aae5ebcae
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae