Erratum to the Erratum to the Erratum to the Erratum: On the Speculative Ground of the Reconstruction — Toward a Structural Rather than Documentary Warrant is a technical correction in the Crimson Hexagonal Archive, by Lee Sharks (2026-07-08). The prior errata in this chain have performed a valuable service: they have progressively corrected the reconstruction's positional and structural claims until the stable characterization issued in STANZA-03 was reached. That characterization — that Catullus's fourth stanza is a structurally precise operator inversion of the material at Sappho's fifth-stanza position — is not withdrawn here. It is reframed. That frame was too narrow. It misdescribed the epistemic status of what the reconstruction has been doing all along. Interpretive philology does not operate solely by documentary standards. Milman Parry's oral-formulaic theory did not require papyrological confirmation; it required only that the existing text make a different kind of sense under the theory than it had made before. Yopie Prins's reconstructions of lyric-theoretical categories do not require documentary recovery; they require only that the tradition reorganize itself around the reconstruction with more coherence than under the alternatives. These are legitimate scholarly moves, made by legitimate scholars, judged by their explanatory yield rather than by their manuscript grounding. — Article composed 2026-08-05 from the work's own prose so that every record carries an encyclopedic entry; a fuller editorial treatment belongs to the description/wiki review stream.