Evidence row 200462

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/sinais"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "ce70e7226375",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "ce70e7226375"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "ce70e7226375",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "ce70e7226375",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Actionable trading signals feed with direction, confidence and timestamp. Heuristic, with the methodology declared in the response.",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Actionable trading signals feed with direction, confidence and timestamp. Heuristic, with the methodology declared in the response.",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "format": "json"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "recommended_next": [
                {
                  "endpoint": "/alpha-signal",
                  "price_usdc": "0.0800",
                  "why": "same category as /sinais"
                },
                {
                  "endpoint": "/insider-track",
                  "price_usdc": "0.0800",
                  "why": "same category as /sinais"
                }
              ],
              "signals": [],
              "version": "48.34.0-GUARD",
              "win_rate_30d": 43.8
            },
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "format": {
              "description": "Response format (json)",
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "naturalLanguageDescription": "Actionable trading signals feed with direction, confidence and timestamp. Heuristic, with the methodology declared in the response.. Tier: core. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.1,
          "tier": "core",
          "vs_median_x402": 3.57
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "core",
          "primary_tag": "Trading",
          "unique_selling_point": "Actionable trading signals feed with direction, confidence and timestamp. Heuristic, with "
        },
        "sampleQueries": [
          "GET /sinais?preview=1  # free delayed sample",
          "GET /sinais  # live data (returns 402 with payment challenge)"
        ],
        "schema": {
          "$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": "Actionable trading signals feed with direction, confidence and timestamp. Heuristic, with the methodology declared in the response.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "trading",
          "crypto",
          "market-data"
        ],
        "title": "Sinais — 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": "2026-10-26T14:40:09.633Z",
    "quality": {
      "l30DaysTotalCalls": 76,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T13:08:44.134Z"
    },
    "resource": "https://api.losbeto.xyz/sinais",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "trading",
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Actionable trading signals feed with direction, confidence and timestamp. Heuristic, with the methodology declared in the response."
}

What the leaf hashes

{"body":"6a50406137862569c058fc337912e8039233f7ea732852ad734a551eda9d8988","id":200462,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025933638071,"prev":16394,"subject":"x402_bazaar:https://api.losbeto.xyz/sinais","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. 0xdc14a1eaa83337cff4e8f86313eebf0311b22cdacb061553c6c40aa97300dfea
2. 0x06285c30b54e79913f022041f54b99636da72a3ce9def9491fbcb4a6b43a783a
3. 0x06922234ff4cc30e55d06a0310adfad517329caa74a9bbdbdb7ad83b17ec2e0f
4. 0x276a2752597c52eb220db8cc15eb96efada9426f24751fb3787a09be228a34e8
5. 0x430092604dc7c3a6383f5fcf439b24e7b489631e1fdcc42c2c7bf1f88feedcb4
6. 0xf60d432653452f895e5cbb7f1f27e0ba91295b77ddfa3663b796b81e843d65a7
7. 0xf9d7917c6c5928594bba005f940d0f1c3cfc87ea47b97e5b159bed1aa850daf3
8. 0x951736d9d598e93f09efae42a84e08ef77bb5a21443df842f36a9d33f7f0cd81
9. 0x4e1572e2e2ec907331277d3602fe8e09dd600e1fc06fc63e36876d8476f6f39a
10. 0xafea070fa3cd55d0c50ec39d914de8a0022e87d64becb9dc6998df49697576c3
11. 0x7ec512db50ffb560b82f17e53667bcea802a69de4d98e67a44363985fac7f4da
12. 0x4b7a7525bd11eaa3154ce1b1171d1b54b83370163f39203e230c520e42560c4b
13. 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae