Evidence row 547416

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": "6b54618c06e4",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "6b54618c06e4"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "6b54618c06e4",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "6b54618c06e4",
          "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": "/council",
                  "price_usdc": "0.1500",
                  "why": "same category as /sinais"
                },
                {
                  "endpoint": "/launch-sniper",
                  "price_usdc": "0.1500",
                  "why": "same category as /sinais"
                }
              ],
              "signals": [],
              "version": "48.34.1-GUARDFIX",
              "win_rate_30d": 44
            },
            "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": "2026-10-27T00:16:33.81Z",
    "quality": {
      "l30DaysTotalCalls": 76,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T00:16:33.451Z"
    },
    "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":"f5cceb7c33294acf0fce56fd3af9b4d4f93e86a3441633ea96ca87e16edfe0e6","id":547416,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133196579921,"prev":425505,"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 2026-10-27 (273461 rows).

1. 0x50d959209b0e581db84e14a3260e0b33e2bf52dece6592f19e80f37ec26ffd78
2. 0xe853cc4893c61181756a14f873f5767b8505f80c78f0ac5848bbb74fc3136426
3. 0x44ea271db4c341b5fdfc454681797995ab3e7f395bcffaf807360a1f4928582b
4. 0x3e14b4fffcb6957d271812c9a1b078c0cfa9511ecd3e3fc5de540cb089839a93
5. 0x64b464e25a5cad536f478856713d8462437cbd464168310120cea975b3111592
6. 0xa234fb5bbad8ec6a0f923034edc60a606332ef49549e095c8f8ba12894c5d3c4
7. 0x69f999e179449e5cfc0cc8f33b7ff5b3494e56e4d6953eb0b441f175a42d6a6a
8. 0x8343cc74545cae8a4d7e0ac6f72b10d9c11c8a251ec9ef0ef4c3b5f96b6325ae
9. 0x5e393c00efc198c497f78549df5b4f1ebf2a608df99666970d7000749772e98d
10. 0xcbeba32b7adac6e284b211a5a8bbb881f17fa8904e1f96699c5a49a810ca0cb3
11. 0x81645620171c2c6f27f7bd62ae903898bfa58255299711c41ce1c3f4e4618954
12. 0xd57b5a86cf210d9ed4e220de5668cf59c88f82934bf7c8ef9e6b3e894577973c
13. 0x996f3d89f9508378f3c194c9828b500725dd599c52fd040349190982338d96f2
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4