3 commits

Author	SHA1	Message	Date
Dmitry Kokorin	4feff7a0f7	ISBN validation (58 ISBNs): tools/isbnval.py + data/isbn-validation.tsv; SUMMARY Table 4 + fixed 2 bad-check-digit typos and 2 publisher-prefix mismatches; AGENTS.md source 21	2026-09-16 00:01:13 +03:00
Dmitry Kokorin	89c4845d0b	SUMMARY: Table 3 — publication status at a glance (EN/RU ISBN presence + download columns)	2026-09-15 22:53:01 +03:00
Dmitry Kokorin	00af419b79	SUMMARY.md: two consolidated tables (author name verification + EN/RU ISBNs) from Open Library EN-ISBN sweep across all 39 items	2026-09-14 10:32:15 +03:00