Evidence row 2201237

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://probability-calc.x402tookit.com/card-odds"
    ]
  ],
  "name": "Probability Calculators",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Card odds: 5-card and 7-card poker hand probabilities, chance of hitting your outs by the river, blackjack natural odds.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "mode": "outs",
              "outs": 9,
              "stage": "flop"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T14:44:17.103Z",
              "cardsToCome": 2,
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "notChecked": [
                "opponents' hands, betting and ranges: these are single-player card-counting odds only",
                "whether your outs are 'clean' (cards that also help an opponent)",
                "…2 more"
              ],
              "oneIn": 2.8597883597883595,
              "outs": 9,
              "probabilityByRiver": 0.3496762257169288,
              "probabilityNextCard": 0.1914893617021277,
              "reasons": [
                "Exact: 1 - C(unseen - outs, cards to come) / C(unseen, cards to come), with 2 hole cards and the board seen.",
                "The 'rule of 2 and 4' approximation (outs x 4 on the flop, x 2 on the turn) is close for small outs and overstates large ones."
              ],
              "ruleOf2And4": 0.36,
              "source": "computed locally (exact counting)",
              "stage": "flop",
              "summary": "9 outs from the flop: 34.97% to hit by the river (1 in 2.86); 19.15% on the next card alone.",
              "unseenCards": 47,
              "verdict": "COMPUTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "decks": {
                      "description": "For mode blackjack: number of 52-card decks, 1 to 8 (default 1)",
                      "type": "integer"
                    },
                    "mode": {
                      "description": "poker5, poker7, outs or blackjack",
                      "type": "string"
                    },
                    "outs": {
                      "description": "For mode outs: cards that complete your hand (flush draw 9, open-ended straight draw 8, gutshot 4)",
                      "type": "integer"
                    },
                    "stage": {
                      "description": "For mode outs: flop (two cards to come, 47 unseen) or turn (one card to come, 46 unseen); default flop",
                      "type": "string"
                    }
                  },
                  "required": [
                    "mode"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "cardsToCome": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "oneIn": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "outs": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "probabilityByRiver": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "probabilityNextCard": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "ruleOf2And4": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "stage": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "unseenCards": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:07:41.301Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:07:41.073Z"
    },
    "resource": "https://probability-calc.x402tookit.com/card-odds",
    "serviceName": "Probability Calculators",
    "tags": [
      "cards",
      "poker",
      "odds",
      "blackjack"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Card odds: 5-card and 7-card poker hand probabilities, chance of hitting your outs by the river, blackjack natural odds."
}

What the leaf hashes

{"body":"1f1a20f83a675812529205a2d924c14fa6a73ca67c94615d9c1d5fc61b89c14e","id":2201237,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646802978265,"prev":null,"subject":"x402_bazaar:https://probability-calc.x402tookit.com/card-odds","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x691182fb644e9846b67328de17646c1f3f33b0cf3c65394907bf21563017d39b
2. 0x3806188240259d9a3411bc75c2418b016fb5d4ab160fabc873a7fb6c79be2efc
3. 0x06050ff3591f49ce7b023adbc259247ac100f98461fd3da7d73c14474656313d
4. 0xf53e2df708d6e0626b26a6c7425edf7b7f820450782df39b0636d215180ea8ce
5. 0xf166932bda3bf2fd0195d84d1b7ab19f14d8a99d4ac2a5afc30b359dd1af3f76
6. 0x80ae7e5569d5b32e0db3c9aa843562f4674b11be981737f08ccfbe1ab9a399a5
7. 0xc255cd170fbb94478432ba1deffe029a91f998e2dc62433ca57d0f5d25996484
8. 0x6097067cefb9585aa5abc2df513a8bbbc721e0b32d4fc810fcd11e49f63c23da
9. 0x715b88cacc86242d992e8f8def3480a277dd559d7519ac74d50c02391d3fea0b
10. 0x4053514d5268b251a98f21f4ff40af857a68b57513c0ec92199a505656a3354c
11. 0x7db17b10f1972af41b5bfa71c5cb6c8e5c535c21328ce6aede33af928914722a
12. 0x4c6bfda049005dc169b297132e952f3d0d63a895211bdcf40f0eb667e2aabcdf
13. 0xefbd3ce8cc9536c9dc7555a61f73905cdeb76d020d347be26b68924fa6aacbfa
14. 0x197bc18a6b8126dd9b52133f001dca55646ad9292aafa98222498ec1746809a4
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af