Evidence row 2202107

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chess-notation.x402tookit.com/time-control"
    ]
  ],
  "name": "Chess Notation Tools",
  "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": "Classify a chess time control (bullet, blitz, rapid, classical) from base minutes and increment, with estimated length.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "baseMinutes": 5,
              "incrementSeconds": 3
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T01:02:04.898Z",
              "baseMinutes": 5,
              "category": "blitz",
              "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.",
              "estimatedMinutesBothPlayers": 14,
              "estimatedSecondsPerPlayer": 420,
              "incrementSeconds": 3,
              "maxGameMinutesIfAllTimeUsed": 10,
              "notChecked": [
                "FIDE and national federation category rules, which differ by event",
                "delay-style (Bronstein or simple delay) clocks, which are not increments",
                "…1 more"
              ],
              "notation": "5+3",
              "reasons": [
                "Estimated duration = base seconds + 40 x increment (the Lichess convention for a typical 40-move game).",
                "Categories: ultrabullet up to 29 s, bullet under 180 s, blitz under 480 s, rapid under 1500 s, classical beyond."
              ],
              "source": "computed locally (Lichess duration categories)",
              "summary": "5+3 is blitz: estimated 420 s per player, about 14 min for a full game budget.",
              "verdict": "BLITZ"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "baseMinutes": {
                      "description": "Starting time per player in minutes (for example 5 or 0.5)",
                      "type": "number"
                    },
                    "incrementSeconds": {
                      "description": "Seconds added per move (default 0)",
                      "type": "number"
                    }
                  },
                  "required": [
                    "baseMinutes"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "baseMinutes": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "category": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "estimatedMinutesBothPlayers": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "estimatedSecondsPerPlayer": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "incrementSeconds": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "maxGameMinutesIfAllTimeUsed": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "notation": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:42:12.147Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:42:11.977Z"
    },
    "resource": "https://chess-notation.x402tookit.com/time-control",
    "serviceName": "Chess Notation Tools",
    "tags": [
      "chess",
      "time-control",
      "blitz",
      "clock"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Classify a chess time control (bullet, blitz, rapid, classical) from base minutes and increment, with estimated length."
}

What the leaf hashes

{"body":"afa2313fcd29e44bee2f4d1a155ec62ec7983f46ed4cf808c7414cc1da6c109b","id":2202107,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646812515525,"prev":null,"subject":"x402_bazaar:https://chess-notation.x402tookit.com/time-control","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. 0x64a74f710cb13003e8c236adebd3fbdccdeec6014ebc7753a995b00d5f18138f
2. 0x38936f3b8ec23dcc8d7abd1954e27181d51a26943bf8883a774bf6d77956720a
3. 0xb781089b39c3f37e43df812f654e315af2e5f4786116b2dec24399d7baae05a4
4. 0x4bac1950296db8763169c0ba4108e0e02f9280c2cf9e4ea8abe7753f5ce623bb
5. 0x9ad23ddbbdd30a04499632cbda49343b1ca382da9e85025c57f44bab4e4f9f47
6. 0xe07879f7f588c07addfe4992d2ba26d32b90796219a6a6eda6beecd3eba94996
7. 0x0e08201991b5be223f5e6120596de2430821066608efd5217a4faa0762dea80c
8. 0x37e65c00dd41ab80d5fd3989043914161df1f888283da46772fc934e8e890d4e
9. 0x6bd04168eb36832d3aaf6293e87e3c97af85c810afa5b501c4873bd5c294a9e5
10. 0x398cbad755ff5ec09fa54f88504edbfa240f2a1fcc5600eb981b1ac39a528c32
11. 0xc22bf8dda2573f79919e43ad45faca4e4dcdf9985489ec15be1a40d2b0860312
12. 0xfb198b5e9ed6a30d23cc6c63e240376a59838835d128c19ba80c223b34685b35
13. 0x43843187ed08d9e521651cb9dfff6531be94049b43e391bab5e05b93fc4383d3
14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af