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Show HN: Penmentor – Claude marks up your handwritten math like a teacher

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SteadyVane has taken 38 readings of Show HN: Penmentor – Claude marks up your handwritten math like a… since Oct 20, 2026: 34 upvotes at the first reading, 66 at the latest (+32). Its biggest one-day gain was +15 on Oct 21, 2026.

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first seen Oct 20, 2026 · last seen 45 min ago · published Oct 20, 2026

Day by day

Day (UTC)	upvotes	Change
Oct 24, 2026	66	0
Oct 23, 2026	66	0
Oct 22, 2026	66	+3
Oct 21, 2026	63	+15
Oct 20, 2026	48	+14

Each day's last reading. Change: against the day before (after days with no reading: since the last day that has one); the first day shows the change within that day.

On the tracker; not yet featured in a brief.

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