Evidence row 407728

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.losbeto.xyz/horizon"
    ]
  ],
  "name": "Losbeto Market Intelligence",
  "owner_address": "0xd5ba9711a3d052846a3695c70e7fcb8b3168fe7d",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "requestId": "ae702b266914",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "requestId": "ae702b266914"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "GEhr9HCFTRDjanMg435frSgCVwVZYpNoPrEkmNBnFHFE",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "requestId": "ae702b266914",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "MRVA6OABPQJNJ2WFUHFY57FMJXHBV37IU665MXRJX4JYBIWGACP3LSDUF4",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "requestId": "ae702b266914",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xd5Ba9711a3D052846a3695C70e7fcb8b3168FE7d",
        "scheme": "exact"
      }
    ],
    "description": "Provides hourly weather forecast data (temperature, precipitation, wind) for a given latitude and longitude.",
    "extensions": {
      "bazaar": {
        "dataFreshness": {
          "cache_ttl_s": 60,
          "live_data": "≤3s from source",
          "preview_data": "≤15min delayed"
        },
        "description": "Provides hourly weather forecast data (temperature, precipitation, wind) for a given latitude and longitude.",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "lat": "0",
              "lon": "0"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "endpoint": "/horizon",
              "factory": true,
              "params": {
                "lat": "0",
                "lon": "0"
              },
              "product": "Provides hourly weather forecast data (temperature, precipitation, wind) for a given latitude and longitude.",
              "recommended_next": [
                {
                  "endpoint": "/agent-market",
                  "price_usdc": "0.0070",
                  "why": "most bought on this node this week"
                }
              ],
              "source": "api.open-meteo.com",
              "ts": 1793057895,
              "version": "48.34.1-GUARDFIX"
            },
            "type": "json"
          }
        },
        "inputSchema": {
          "properties": {
            "lat": {
              "description": "lat parameter",
              "type": "string"
            },
            "lon": {
              "description": "lon parameter",
              "type": "string"
            }
          },
          "required": [
            "lat",
            "lon"
          ],
          "type": "object"
        },
        "naturalLanguageDescription": "Provides hourly weather forecast data (temperature, precipitation, wind) for a given latitude and longitude.. Tier: discovery. 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 (~$0.028/call). Premium tiers reflect multi-source aggregation cost.",
          "price_usdc": 0.01,
          "tier": "discovery",
          "vs_median_x402": 0.36
        },
        "provider": {
          "name": "Losbeto Market Intelligence",
          "url": "https://api.losbeto.xyz"
        },
        "ranking_hints": {
          "category": "discovery",
          "primary_tag": "market-data",
          "unique_selling_point": "Provides hourly weather forecast data (temperature, precipitation, wind) for a given latit"
        },
        "sampleQueries": [
          "GET /horizon?preview=1  # free delayed sample",
          "GET /horizon  # live data (returns 402 with payment challenge)",
          "GET /horizon?lat=0&lon=0  # with parameters"
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "lat": {
                      "description": "lat parameter",
                      "type": "string"
                    },
                    "lon": {
                      "description": "lon parameter",
                      "type": "string"
                    }
                  },
                  "required": [
                    "lat",
                    "lon"
                  ],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Provides hourly weather forecast data (temperature, precipitation, wind) for a given latitude and longitude.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "crypto",
          "market-data"
        ],
        "title": "Horizon — 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": "2026-10-27T00:06:07.746Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T00:06:07.538Z"
    },
    "resource": "https://api.losbeto.xyz/horizon",
    "serviceName": "Losbeto Market Intelligence",
    "tags": [
      "crypto",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Provides hourly weather forecast data (temperature, precipitation, wind) for a given latitude and longitude."
}

What the leaf hashes

{"body":"b16aade6d097c98a3424123f1f60f11def9042881c4eac4eddcc6e3f4334e0db","id":407728,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080251543056,"prev":278776,"subject":"x402_bazaar:https://api.losbeto.xyz/horizon","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. 0x427fe27cf6a21cf5b1359fc344b537c6e5fa3c31db8e5a258996c23ea25948ab
2. 0x5bd9650e0d4037abaf20e5d71dcb902aa39be1a78ae48024ed1228b25582034f
3. 0x55d891caeee65826757ccee8536d15b37cc562bd87207e03ec5b5d14604aa853
4. 0xa72e8915b902ac694337ddd5d1753ffddfb0b9abda3527c88251b327be31b63c
5. 0x98110142085c5d61cb7d38cbb38a3b3f8748e5204d1707b84ab7b7e8b465d039
6. 0x05b71203f18634dff60444c56ce81451f1fc1734e4a8813c1802fc02c8436b51
7. 0x54f493102c13319f44eb9492b7434a0d29b9065cc55217ad0b16a4ad3eb1b3f0
8. 0xbf4ac938c61ae102dfbf63af47dc3cd709b89042b8bcfc81e077cab6d2356749
9. 0x0310936c50b27ba23c9bcce20272c0f438deeeaddc62c421997a931ba0cd321e
10. 0x232611ceb41528cfb1bfaa047a8b5dd62cbd5c10b827e3aac64ba02d97562966
11. 0xb0dc7eed01b5a695ca9cedf0d1edb8657bace4dd0c8093d1309bd503047ae4e7
12. 0xc897d71d9632ce913abe93619ab42cfbeb45fae1da80e2533fb77a3b950138a9
13. 0x4b4a1e815a33d351cc45dfa35f97aef5faf461590a54756a40dc36a0bbabf04b
14. 0x1de9caca1fa6dbbe090ee48dad5f962bbfd09856fd897edc8c3c110272d35c56
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4