{"id": "card_n_248bb6f6654b", "kind": "note", "title": "Pirkei Avot §avot_03_18: Rabbi Eliezer Hisma said: the laws of mixed bird offerings and the key to the...", "body": "Rabbi Eliezer Hisma said: the laws of mixed bird offerings and the key to the calculations of menstruation days, these are the body of the halakhah. The calculation of the equinoxes and gematria are the desserts of wisdom.", "source": {"label": "Pirkei Avot — Ethics of the Fathers (Mishnah, c. AD 200)", "url": "/canon.html?ref=pirkei_avot_avot_03_18", "ref": "avot_03_18", "authority_tier": "external_aligned"}, "shelf": "classics", "box": "pirkei_avot", "bands": ["pirkei_avot", "ethics_of_the_fathers", "jewish_wisdom"], "connections": [{"to_card_id": "card_n_24a320e2f551", "relationship": "same_section", "origin": "nesting_2026_06_12"}, {"to_card_id": "card_n_247becdb1217", "relationship": "same_section", "origin": "nesting_2026_06_12"}], "author": "engine", "created_at": "2026-05-19T13:20:58.811181+00:00", "updated_at": "2026-05-19T19:57:55.218069+00:00", "visibility": "public", "lifecycle_stage": "public", "volatility": "permanent", "metrics": {"paperclips_count": 0, "helpful_count": 0, "not_helpful_count": 0, "cite_count": 4, "walks_through_count": 0, "flagged_count": 0}, "source_hash": "6d35979d64628a291ebf2a96ac31db7be1999e30053a4f6981bd2ff828b731f2", "witnesses": [{"class": "manuscript_tradition", "label": "Kaufmann Codex (Budapest, 11-13th cent) — earliest complete Mishnah", "ref": "Kaufmann"}, {"class": "manuscript_tradition", "label": "Parma Codex de Rossi 138 (Italy, 13th cent)", "ref": "Parma-138"}, {"class": "critical_edition", "label": "Charles Taylor, Sayings of the Jewish Fathers (1877/1897)", "url": "https://archive.org/details/sayingsjewishfa00goog", "ref": "Taylor-1877"}, {"class": "translation", "label": "Goldin, The Living Talmud (1957)", "ref": "Goldin-1957"}, {"class": "republication", "label": "Sefaria — Pirkei Avot", "url": "https://www.sefaria.org/Pirkei_Avot", "ref": "Sefaria-PA"}], "witness_status": "passed", "witness_status_reason": "5 witnesses across 4 independence classes: ['critical_edition', 'manuscript_tradition', 'republication', 'translation']", "surface": "secular"}