addrbookFor publishers
← The evidence ledger

Evidence row 16315

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://api.losbeto.xyz/job/br-market-brief
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5f1417d908c34cf0831ab265fdc5cc61f35fe7110001dff11783c36e53f43039
Leaf
0x4ef977dddee23ed90d1510197d82360d6be13000d20e593ea7da5d976229c048

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": "9b0c792a5744",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "150000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "9b0c792a5744"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "150000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "9b0c792a5744",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "150000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "9b0c792a5744",
          "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": "2026-10-26T13:22:10.232Z",
    "quality": {
      "l30DaysTotalCalls": 74,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T13:10:48.213Z"
    },
    "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":"5f1417d908c34cf0831ab265fdc5cc61f35fe7110001dff11783c36e53f43039","id":16315,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025322896049,"prev":null,"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 (296695 rows).

  1. 0x4ef9909f46fd6e00e0188bbd0c213d171dc423e70c5f5913b9c6fe109edb3a9b
  2. 0xf0c541c157b696ba9b465b5aa3464eb8bd59d81308f0efb8d81e37f680c1925d
  3. 0x5bbebd505aa7e2557e91c90001a054b77f48bd89bb1cbe458bd42fde7f1c2595
  4. 0x169c364f9ded4eccf60e65c508cd61f260d33135bf2f2a2f796922543764690f
  5. 0xb3aa633e836d885ae34bd6ca047c03a58e9db87b67f1d590dfe2990d5d2eaa0c
  6. 0x012548371e90cea65f115b233252bd731a5a22e353ce9d0377ed6a07adababf9
  7. 0xbadf5b3ecd991e0cc584f28e783ab388f96fadfd2d0382df327a0697c51b4080
  8. 0x1894256ba4a97682ee230b576a7ab9f4db049d9f44d391cdd0fba2ec210defd6
  9. 0x25b0be634e7545b7ace2747b38a9f79252646981a8a77be5d6b0f4fe6758bedb
  10. 0x9c9aa21507586994cc0a4dfd3b2e86976a38eb16db18f84817d4a85797c70f48
  11. 0x72d408a0419640ce55a8ca5f9c16e8da5334b5f106300a379634eb22bded71e1
  12. 0xaf14a84837a57dc5a0cb0ebd158daaad24c19301b9257d9e97c322a7d8c54bc0
  13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
  14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
  15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
  16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON