Evidence row 1260743

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://sports-predictor-api.fly.dev/api/v1/probabilities"
    ]
  ],
  "name": "Sports Predictor",
  "owner_address": "0x11a5a9ee3fffd4d8cbb2b3c5e02acaa268486b67",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x11A5a9ee3ffFd4d8cBB2B3c5E02ACAA268486b67",
        "scheme": "exact"
      }
    ],
    "description": "Calibrated 1X2 probabilities plus derived markets (totals, BTTS, correct score) for every upcoming fixture across the big-five European leagues. Backed by a public, Brier-scored track record.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "days": 14
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "fixtures": [
                {
                  "away": "Coventry City",
                  "date": "2026-08-21",
                  "expected_goals": {
                    "away": 0.71,
                    "home": 2.14
                  },
                  "home": "Arsenal",
                  "league": "premier_league",
                  "league_label": "Premier League",
                  "markets": {
                    "btts": {
                      "no": 0.55,
                      "yes": 0.45
                    },
                    "correct_score": [
                      {
                        "p": 0.13,
                        "score": "2-0"
                      }
                    ],
                    "totals": {
                      "2.5": {
                        "over": 0.54,
                        "under": 0.46
                      }
                    }
                  },
                  "probabilities": {
                    "away": 0.14,
                    "draw": 0.2,
                    "home": 0.66
                  }
                }
              ],
              "generated_at": "2026-08-14T09:00:00+00:00",
              "window_days": 14
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "const": "GET",
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "days": {
                      "default": 14,
                      "description": "How far ahead to include fixtures, in days.",
                      "maximum": 30,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "count": {
                      "type": "integer"
                    },
                    "fixtures": {
                      "items": {
                        "properties": {
                          "away": {
                            "type": "string"
                          },
                          "date": {
                            "format": "date",
                            "type": "string"
                          },
                          "expected_goals": {
                            "properties": {
                              "away": {
                                "type": "number"
                              },
                              "home": {
                                "type": "number"
                              }
                            },
                            "type": "object"
                          },
                          "home": {
                            "type": "string"
                          },
                          "league": {
                            "type": "string"
                          },
                          "league_label": {
                            "type": "string"
                          },
                          "markets": {
                            "description": "Over/under lines, both-teams-to-score and likeliest scorelines. Raw model output, not calibrated.",
                            "type": "object"
                          },
                          "probabilities": {
                            "description": "Calibrated 1X2 probabilities; sum to 1.",
                            "properties": {
                              "away": {
                                "type": "number"
                              },
                              "draw": {
                                "type": "number"
                              },
                              "home": {
                                "type": "number"
                              }
                            },
                            "type": "object"
                          }
                        },
                        "required": [
                          "date",
                          "home",
                          "away",
                          "probabilities"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "generated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "window_days": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "generated_at",
                    "count",
                    "fixtures"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-28T04:42:12.122Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-28T04:42:11.996Z"
    },
    "resource": "https://sports-predictor-api.fly.dev/api/v1/probabilities",
    "serviceName": "Sports Predictor",
    "tags": [
      "sports",
      "football",
      "probabilities",
      "predictions"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Calibrated 1X2 probabilities plus derived markets (totals, BTTS, correct score) for every upcoming fixture across the big-five European leagues. Backed by a public, Brier-scored track record."
}

What the leaf hashes

{"body":"3769600ad4cd7cbf711ec063f6937a84b78394d5168c0dc217f589084df3deb8","id":1260743,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385485666578,"prev":750293,"subject":"x402_bazaar:https://sports-predictor-api.fly.dev/api/v1/probabilities","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x75c1ebd65f8408210c4ee4cd90cf8ab511048344094c207b04d9a2d1df28fbb2
2. 0xc887f5e258b7aa40b2e655c39027b5ec43d74adb7f43ed64bdb433f6921a3cc1
3. 0x4dbdc8b300ad2235b05b039931b450c7bd355a2c6a0f38b8ea255f3705c90a25
4. 0xef97b6f8c1b9dd54d392ec70b58df6f6cf81cac49c864e5d969c4f0f033afa85
5. 0x13c99c8aeded2e6279794d9e49685de09907a2dbfd8ec8c4b960646cddc7624b
6. 0x6ea69a624d1f69e8882bd95e88f8c581e1bc43b4a5d3aca9f418adf3b70307a1
7. 0x070c004fb7282e8c55ab927b22447e41b159b313b6dc71c080e4555fcf6a2892
8. 0x884d8b9004ac49d0ad1655d7c1710412c088ad216e93ccfad79b0477502bb14e
9. 0xa4febbad8ab8569f91074658841346331432a6c33d9d45557650a465dc02be84
10. 0x78d4d5555bb636b7e44aa1077988f374dddd47c4a57808fd1e5e65caf16c5461
11. 0x3f4d956b057679f524600de2c52bb33b0bf5f14b13a98d860e4ca57c0d10b5a4
12. 0xb86c24d74d1a4ff68babf4c944c4765412f2d0380de9972349d411f2e65ef5cf
13. 0x630c92ab7a09a852e8f8d699227d5d4a4acf303f63bea031f0057a3a36087420
14. 0x75bcbdd2a0d7acdea21f6011126339c8e33a476ec0a76842480cf5bf70db6a72
15. 0xdf25f5d38e3fb54d3e66e3bf876db529f619041e0d21f0bc35b80003418e3d9c
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861