Sigan.beta
Sigan / verify / M9UW-ED2B

2026-07-20

Process ReportCertificate PDFIssued
Process replayActual recorded strokes
Loading the recording 0%
LineOrderRework
00:00
Your drawing rhythm becomes the beat, speed the pitch, pressure the dynamics. The same drawing always makes the same song.
SERIAL · SIGAN-M9UW-ED2B The drawing process was recorded and verified⟠ Device-signed & verified
Strokes
224
Sittings
3
Undo / redo
49 / 0
Verify · sha256 03efd000b75fba4b…
⛓ Existed before 7/24/2026 — anchored in Bitcoin.ots proof
Time drawing
00:04:04
3 sittings, 224 strokes. Only this is time a human spent drawing.
Time not drawing
01:25:42
Time the file sat open with hands off.
Time drawing 4.5%Time not drawing 95.5%

When it was drawn

What this page states · not a verdict

Drawn in 224 strokes over 00:04:04, across 3 sittings. Whether external images were imported is not checked in this record (v0). The record alone allows it to be replayed from the beginning.

Forgery difficultyHigh65/100top 51% hardest to fake

To forge this process exactly, one would have to reproduce the pressure, timing, and tremor of all 224 strokes — one by one. This isn't a verdict; it reflects how dense the recorded signals are.

Signals from the hand

Pressure curvePressure not recorded (tablet driver)
Speed · accel0.5 px/ms
Tilt · azimuth25–25°
Micro-tremor1.63 index
Rhythm · rest3 pauses
Action logundo 49 · redo 0 · device 0

Seal · linked artwork file

Hash chain
sha256
Sittings (segments)
3 segments · 224 strokes

Character of this drawing

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https://sigan.mmwo.io/verify/SIGAN-M9UW-ED2B