R. Yitzḥak of Akko
ancestor
Recorded
Isaac ben Samuel of Acre · named ancestor of Kaplan’s 15.34 Ga figure, not the open calculator
PhotoAdam JonesCC BY-SA 2.0
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Otzar HaHayim is named (Jerusalem 2020 print). No open page found that prints 42,000 × 365,250.
What it supports
A historical person whose words Kaplan used. Distinct from Kaplan 1993. Distinct from Sefer HaTemunah.
What it does not
Not the 42,000 ladder until a page of Otzar HaHayim is actually opened. Meʾirat ʿEnayim (Goldreich 1983) is a different book, not the age ladder.
ExactnessCatalogue position
FormOther form
Unitauthor
Strengthattested
Whenc. 13th–14th c. / print 2020