Evidence row 278694

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/job/br-market-brief"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "150000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "d937f3c12eb9",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "150000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "d937f3c12eb9"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "150000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "d937f3c12eb9",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "150000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "d937f3c12eb9",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "JOB: one payment = the Brazilian market briefing. Central Bank macro (Selic, CDI, IPCA, PTAX) + yield curve + Ibovespa + crypto regime, composed with the real-rate number every allocator checks first. Unique on x402 —...",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "JOB: one payment = the Brazilian market briefing. Central Bank macro (Selic, CDI, IPCA, PTAX) + yield curve + Ibovespa + crypto regime, composed with the real-rate number every allocator checks first. Unique on x402 —...",
        "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": "JOB: one payment = the Brazilian market briefing. Central Bank macro (Selic, CDI, IPCA, PTAX) + yield curve + Ibovespa + crypto regime, composed with the real-rate number every allocator checks first. Unique on x402 — no other node covers Brazil.. Tier: pro. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.15,
          "tier": "pro",
          "vs_median_x402": 5.36
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "pro",
          "primary_tag": "Jobs",
          "unique_selling_point": "JOB: one payment = the Brazilian market briefing. Central Bank macro (Selic, CDI, IPCA, PT"
        },
        "sampleQueries": [
          "GET /job/br-market-brief?preview=1  # free delayed sample",
          "GET /job/br-market-brief  # live data (returns 402 with payment challenge)",
          "GET /job/br-market-brief?format=json  # with parameters"
        ],
        "schema": {
          "$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": "JOB: one payment = the Brazilian market briefing. Central Bank macro (Selic, CDI, IPCA, PTAX) + yield curve + Ibovespa + crypto regime, composed with the real-rate number every allocator checks first. Unique on x402 — no other node covers Brazil.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "jobs",
          "brazil",
          "macro",
          "crypto",
          "market-data"
        ],
        "title": "Job/Br Market 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": "2026-10-26T14:46:58.371Z",
    "quality": {
      "l30DaysTotalCalls": 78,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T14:46:56.462Z"
    },
    "resource": "https://api.losbeto.xyz/job/br-market-brief",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "jobs",
      "brazil",
      "macro",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "JOB: one payment = the Brazilian market briefing. Central Bank macro (Selic, CDI, IPCA, PTAX) + yield curve + Ibovespa + crypto regime, composed with the real-rate number every allocator checks first. Unique on x402 —..."
}

What the leaf hashes

{"body":"80170f73c338ae87b13e2bbad07662b46e0b4a3cfe6f04a5d249f8231ff49f04","id":278694,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042078545014,"prev":236195,"subject":"x402_bazaar:https://api.losbeto.xyz/job/br-market-brief","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x76422022ace00036bea4667b3b5bf219924ddbfcc7d4b671093d0c0008ad4f5e
2. 0x1881870d91e36aac446020e74a3f8b9c99b9a024bb176ef83477dff55da98ccc
3. 0x19d419765b74a382e8561fe3212e381b29acfd9b21a25581a324023f6ea02cc8
4. 0xd3d5e7dd7594a361ced78089d0eb1f7f3f7356b613fc1229cab2bc6796e81b76
5. 0x0cd8af91e218b960cb42613d78c20297b9016037a5fd2cf1bdfd4a69418c95e0
6. 0x536ff1df16e253a85fc11c3cb1e0642544fdbee4ce76eb6baaf6cc0f24bac1a5
7. 0x7efcf113c8f54b4cf2548b89be3bfac3b0478c8737e70d1cc4ce85fc3c80fa90
8. 0xf7d80048081e4c7e2b9ca6662544a57636c037f375bada0b455f56749bd262ed
9. 0xc2422313ac6619bd32eae15f48b17cd8f95d2f3d1de81e39ad628d07c2d4051f
10. 0x0e4e5a49876eb9d3620d41239a02b9ca5f630f9d96c45832d28ded515ead4cac
11. 0x93bf58b59f9e2faa3bacdd73462869691f5329b6fe90d298d0df66b6273fb710
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae