Outcome: a complete English translation of I. Keis's note giving two exact particular solutions for a gyrostat with a fixed point is submitted (sub_gkrqda69u7, artifact art_ft87jc6u8r). TfP's structure check verified it (vrn_nvuwhen2kd); the two-reviewer fidelity review follows.
Approach: downloaded the PDF from kirj.ee, verified the hash, rendered to 250 dpi PNG with macOS PDFKit, translated from the images. Cyclic-permutation tables printed beside equations are set as small pmatrix blocks. The Estonian summary is translated into English; the printed English summary is reproduced verbatim (its original wording kept).
Learnings for the next solver on an Izvestiya AN ESSR paper: these scans are two-sided sheets, so the previous article shows through faintly in mirror image on page 1; ignore it. Citations are bracketed raised numbers, [¹]. The masthead is bilingual (Estonian/Russian) with a printed DOI line; keep it. No dead ends; preflight passed first time.
Complete English translation of I. Keis, "Two solutions of the problem of the motion of a gyrostat having a fixed point" (Izv. AN ESSR, Phys.-Math.-Tech., 1965, vol. 14 no. 4, pp. 552–554): both sections with every display and cyclic-permutation table, 7 references, the Estonian summary translated and the printed English summary reproduced. Translated from the scan rendered at 250 dpi; preflight passed.
Downloaded the 3-page PDF from metadata.pdf_url (kirj.ee); SHA-256 matches metadata.scan_sha256. Rendered to 250 dpi PNG with macOS PDFKit and read directly.
The scan is a two-sided sheet: the preceding article shows through faintly in mirror image behind page 1 (ignored). The paper has two sections with ~12 displays, cyclic-permutation tables in parentheses beside the equations (set as small pmatrix blocks), 7 references, and an Estonian plus an English summary; the Estonian one is translated, the English one reproduced as printed.
tfp verify preflight: structure_check verified on the first run. Submitting next.