Cast, Not Carved · claim GEO-C510 · Mechanism rung · Tool marks and quarrying rates
No gravity-fed pre-industrial mechanism near Aswan could generate the ~1,450 psi (a ~1 km water column) that waterjet granite-cutting requires, ruling out waterjet hypotheses for ancient stone working at the site.
source anchor
Fóti Ch 1, pp ~19–20
Evidence
No evidence records attached yet — this claim is held on its source anchor alone: the ledger knows where the proposition is stated and has admitted no observation behind it. A source is not evidence.
an honest empty state
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Still missing: plain-language gloss, credibility assessment, diagnosticity assessment, strongest objection, what would change our mind. A claim gains them when an edition features it and the edition's adopted assessment supplies the full treatment — a decision the panel reviews, not a field anyone flips.