{
 "corpus": "euclid",
 "seat": "EA-CORPORA-20/04",
 "title": "Euclid — the Elements in Heiberg's Greek (Perseus TEI), with the Data, the Optics and the Phaenomena in Heiberg and Menge's Opera omnia",
 "edition": "Euclid, Elements (Στοιχεῖα), books 1–13, Greek text of J. L. Heiberg (Teubner, 1883–88), Perseus Digital Library TEI tlg1799.tlg001.perseus-grc2; Euclidis opera omnia, vol. VI: Data, cum commentario Marini et scholiis antiquis, ed. H. Menge (Leipzig: Teubner, 1896); Euclidis opera omnia, vol. VII: Optica, Opticorum recensio Theonis, Catoptrica, cum scholiis antiquis, ed. J. L. Heiberg (Leipzig: Teubner, 1895); Euclidis opera omnia, vol. VIII: Phaenomena et scripta musica, ed. H. Menge; Fragmenta, ed. J. L. Heiberg (Leipzig: Teubner, 1916)",
 "language": "grc",
 "license": {
  "payload": "Public domain: Euclid, fl. c. 300 BCE. Heiberg's text (Euclidis Elementa, Leipzig: Teubner, 1883–88) and the Opera omnia volumes (1895–1916) are public domain in the United States (published before 1931). The Perseus Digital Library TEI is published under CC BY-SA 4.0 (PerseusDL/canonical-greekLit); redistributed under the same licence, attributed to Perseus. Internet Archive scans (University of Toronto copies).",
  "record": "CC-BY-4.0 applies to this seat record only."
 },
 "fetched": "2026-10-23",
 "origin": {
  "items": [
   {
    "url": "https://raw.githubusercontent.com/PerseusDL/canonical-greekLit/0189b9c8d8d1f148133f2f0af309b4ee90ea4332/data/tlg1799/tlg001/tlg1799.tlg001.perseus-grc2.xml",
    "source": "Perseus Digital Library, PerseusDL/canonical-greekLit",
    "repository": "https://github.com/PerseusDL/canonical-greekLit",
    "commit": "0189b9c8d8d1f148133f2f0af309b4ee90ea4332",
    "file": "data/tlg1799/tlg001/tlg1799.tlg001.perseus-grc2.xml"
   },
   {
    "source": "Internet Archive",
    "identifier": "euclidisoperaomn06eucluoft",
    "url": "https://archive.org/details/euclidisoperaomn06eucluoft",
    "files": [
     "euclidisoperaomn06eucluoft.pdf",
     "euclidisoperaomn06eucluoft_djvu.txt"
    ]
   },
   {
    "source": "Internet Archive",
    "identifier": "euclidisoperaomn07eucluoft",
    "url": "https://archive.org/details/euclidisoperaomn07eucluoft",
    "files": [
     "euclidisoperaomn07eucluoft.pdf",
     "euclidisoperaomn07eucluoft_djvu.txt"
    ]
   },
   {
    "source": "Internet Archive",
    "identifier": "euclidisoperaomn08eucluoft",
    "url": "https://archive.org/details/euclidisoperaomn08eucluoft",
    "files": [
     "euclidisoperaomn08eucluoft.pdf",
     "euclidisoperaomn08eucluoft_djvu.txt"
    ]
   }
  ],
  "fetched": "2026-10-23",
  "transport": "in-session fetch (Transport D); No-Double-Draw"
 },
 "works": {
  "count": 4,
  "units": "one text file per work",
  "list": [
   {
    "slug": "elements-heiberg-perseus",
    "work": "Euclid, Elements (Στοιχεῖα), books 1–13, Greek text of J. L. Heiberg (Teubner, 1883–88), Perseus Digital Library TEI tlg1799.tlg001.perseus-grc2",
    "text": "text/elements-heiberg-perseus.txt",
    "originals": [
     "original/perseus/tlg1799.tlg001.perseus-grc2.xml"
    ],
    "class": "Perseus TEI",
    "lines": 3045
   },
   {
    "slug": "data-heiberg-menge-vi",
    "work": "Euclidis opera omnia, vol. VI: Data, cum commentario Marini et scholiis antiquis, ed. H. Menge (Leipzig: Teubner, 1896)",
    "text": "text/data-heiberg-menge-vi.ocr.txt",
    "originals": [
     "original/euclidisoperaomn06eucluoft/euclidisoperaomn06eucluoft.pdf",
     "original/euclidisoperaomn06eucluoft/euclidisoperaomn06eucluoft_djvu.txt"
    ],
    "class": "Heiberg–Menge, Euclidis opera omnia",
    "lines": 24724
   },
   {
    "slug": "optica-heiberg-vii",
    "work": "Euclidis opera omnia, vol. VII: Optica, Opticorum recensio Theonis, Catoptrica, cum scholiis antiquis, ed. J. L. Heiberg (Leipzig: Teubner, 1895)",
    "text": "text/optica-heiberg-vii.ocr.txt",
    "originals": [
     "original/euclidisoperaomn07eucluoft/euclidisoperaomn07eucluoft.pdf",
     "original/euclidisoperaomn07eucluoft/euclidisoperaomn07eucluoft_djvu.txt"
    ],
    "class": "Heiberg–Menge, Euclidis opera omnia",
    "lines": 28944
   },
   {
    "slug": "phaenomena-menge-viii",
    "work": "Euclidis opera omnia, vol. VIII: Phaenomena et scripta musica, ed. H. Menge; Fragmenta, ed. J. L. Heiberg (Leipzig: Teubner, 1916)",
    "text": "text/phaenomena-menge-viii.ocr.txt",
    "originals": [
     "original/euclidisoperaomn08eucluoft/euclidisoperaomn08eucluoft.pdf",
     "original/euclidisoperaomn08eucluoft/euclidisoperaomn08eucluoft_djvu.txt"
    ],
    "class": "Heiberg–Menge, Euclidis opera omnia",
    "lines": 22265
   }
  ]
 },
 "normalization": "TEI reduced to plain text by code, as in EA-CORPORA-20/01 (Perseus textparts headed '=== <subtype> <n> ===', one line per <p>; the TEI is the witness). Internet Archive OCR text layers as fetched, uncorrected; the scans are the witnesses.",
 "scope": "The Elements whole in Heiberg's Greek, and the three other works of the Opera omnia that are Euclid's own: the Data, the Optics, and the Phaenomena with the musical writings. The Elements volumes of the Opera omnia (I–V, 1883–88) are the Greek of the TEI and are not doubled here; Heath's English (1908) is a translation and is not seated. The Catoptrica in vol. VII is of doubtful authorship and is seated as Heiberg prints it. The Elements text is 13 books, one line per paragraph of the TEI (definitions, enunciations, proofs), 1.48 million characters.",
 "verified_loci": [
  "Elements I, definition 1 — 'σημεῖόν ἐστιν, οὗ μέρος οὐθέν.'",
  "Elements I, proposition 1 — 'ἐπὶ τῆς δοθείσης εὐθείας πεπερασμένης τρίγωνον ἰσόπλευρον συστήσασθαι.'",
  "Opera omnia VI, title — 'EUCLIDIS DATA'",
  "Opera omnia VII, title — 'EUCLIDIS OPTICA,'",
  "Opera omnia VIII, title — 'PHAENOMENA ET SCRIPTA MUSICA'"
 ],
 "loci_not_found": [],
 "lines_total": 78978,
 "why_seated": "The model of the deductive treatise: definitions, postulates and common notions, and everything after them derived. The archive's own instruments (the operator, the falsification condition, the seat that verifies against its manifest) are written in its debt, and the shelf had no Euclid.",
 "spine": "Euclid",
 "ruling": "Lee Sharks, 2026-10-23: \"detour for an ea-corpora searing. lets see. whats available of mayan texts? and then i dont think we have much or any deteurocanonical second temple lit - all those apocalypses. and what about the ethiopian canon? and euclid. all in original language or as close to it as possible. what else?\" — \"and the Egyptian book of the dead\" — \"and what about the fragments of the book of baalim?\" — \"yes yes yes to all - what a meal.\""
}