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Evidence row 2202152

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://video-calc.x402tookit.com/timecode-convert
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
0321622d1fc67e88ae30a83b36edc1180144afda8b9e11b07e71cc4c1348bec2
Leaf
0x8a688e6568840248aca10043954be8a34f1480065fd7510f48c4dfd1651f8c4b

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://video-calc.x402tookit.com/timecode-convert"
    ]
  ],
  "name": "Video & Timecode Calc",
  "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": "Convert frame counts to SMPTE timecode and back at 23.976 to 60 fps, with 29.97 and 59.94 drop-frame handled correctly.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "dropFrame": "true",
              "fps": "29.97",
              "frames": 17982
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T00:51:08.746Z",
              "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.",
              "driftSecondsVsWallClock": 0.0006,
              "dropFrame": true,
              "exactFps": "30000/1001",
              "fps": "29.97",
              "frames": 17982,
              "notChecked": [
                "the project's own start timecode offset",
                "audio sample alignment",
                "…1 more"
              ],
              "realSeconds": 599.9994,
              "reasons": [
                "Drop-frame: frame numbers (not real frames) are skipped at the start of each minute except every tenth, so the clock tracks real time."
              ],
              "source": "computed locally (SMPTE ST 12-1 drop-frame rule)",
              "summary": "17982 frames = 00:10:00;00 at 29.97 fps drop-frame; real time 599.999 s.",
              "timecode": "00:10:00;00",
              "timecodeSeconds": 600,
              "verdict": "CONVERTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "dropFrame": {
                      "description": "true for drop-frame counting (29.97 and 59.94 only); a ; before the frames also selects it",
                      "type": "string"
                    },
                    "fps": {
                      "description": "23.976, 24, 25, 29.97, 30, 48, 50, 59.94 or 60 (default 24)",
                      "type": "string"
                    },
                    "frames": {
                      "description": "A frame count to turn into timecode (use this or timecode)",
                      "type": "integer"
                    },
                    "timecode": {
                      "description": "HH:MM:SS:FF, or HH:MM:SS;FF for drop-frame, to turn into a frame count",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "driftSecondsVsWallClock": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "dropFrame": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "exactFps": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "fps": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "frames": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "realSeconds": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "timecode": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "timecodeSeconds": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:39:52.015Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T22:39:51.843Z"
    },
    "resource": "https://video-calc.x402tookit.com/timecode-convert",
    "serviceName": "Video & Timecode Calc",
    "tags": [
      "timecode",
      "smpte",
      "drop-frame",
      "video"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert frame counts to SMPTE timecode and back at 23.976 to 60 fps, with 29.97 and 59.94 drop-frame handled correctly."
}

What the leaf hashes

{"body":"0321622d1fc67e88ae30a83b36edc1180144afda8b9e11b07e71cc4c1348bec2","id":2202152,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813507571,"prev":null,"subject":"x402_bazaar:https://video-calc.x402tookit.com/timecode-convert","subject_kind":"source_record"}

Proof

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

  1. 0x8a68e321d01d95ed40a919200654f534aa08b2ea07e59febb4bb3a288ec8073a
  2. 0x10b974747a50f4faa2714e6191f8fd43127ecfa852fac4cd4bd484af64c2ec3d
  3. 0x459b9c9c9e9c5f192894a42bdcdf68657f1bfc91d2a0925b03b8949d7c61ef24
  4. 0x55d85aa2f24a0f793d8dc6a3fee3a56b348d9ec5904ff248a1eb3ae951d0a10e
  5. 0x372078693d651a5dbf4afd3e8141de6f130fe6282e73dd7c8dc59898e95c8782
  6. 0xf7473cebb8a5a75b05f09c093c2e6cc95fb3b1b7fce6ccccf4294f3a9fa0195a
  7. 0xc7ba4436e1ffaace0b92f0d103a14b2ef8a59df3e0df18a36e90edc1a0f2c566
  8. 0x070a4b8ae5f2605dd1974d428d2cfce6cbf52338d2ee678d028049a200a0aedb
  9. 0xb5e44717093226da7ef2a13171e5fec5ddcb1ffd489537ace47a41b74940ec7e
  10. 0x2d6baf5b91732b49b7a848f30c22f9874dfdef7cb67ae644949894d91a551c43
  11. 0x39df1942172e01ac09158611984710fc8036003f6a1edd0835b0c5b5b5200efa
  12. 0x5e19b65c9dca303d18d3307f340e866c83a5cd5294e32913f90d6115847dd766
  13. 0x5d871bfcf034460b25418e4174693de4c0943330f7c1beda840614a4c45cc42c
  14. 0xf38c9617f655dc8f7c8fa11461cb30752d581a6bbb15051130839452c80c4270
  15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
  16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
  17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON