2026-06-15 (QGEO: the four marks emerge from Gauss–Bonnet — K1 executed)
Research changelog · TFPT — Introduction and reading guide
The four marks emerge from Gauss–Bonnet — count derived, not assumed ( v216_marks_gauss_bonnet, tfpt_research_contracts, ; ledger QGEO.MARKS.03). The K1 lever of the v215 kill-test (``exactly four marks'') is executed: if the marks are [formula in source] branch points (deficit [formula in source] ) on the flat seam sphere ( [formula in source] , the same [formula in source] as the [formula in source] in [formula in
Opening source excerpt. Formulas and the full argument remain in the original document.
Source location and explicit evidence links
documents/changelog/sections/019-source.tex · lines 280 to 299
These are recorded citation relations. A source citation or topic match does not establish a mathematical or physical result.
- cross reference join SeamApplicabilityLedger.lean
TeX and evidence source explicitly name the same Python identifier; statement equivalence not inferred
- explicit claim identifier status_ledger.csv
exact local ledger claim identifier
- explicit script identifier v216_marks_gauss_bonnet.py
literal short identifier uniquely resolves in local script registry
- cross reference join tfpt_readouts_extension.wl
TeX and evidence source explicitly name the same Python identifier; statement equivalence not inferred
- explicit claim identifier status_ledger.csv
exact local ledger claim identifier
- cross reference join tfpt_readouts_extension.wl
TeX and evidence source explicitly name the same Python identifier; statement equivalence not inferred
- explicit claim identifier status_ledger.csv
exact local ledger claim identifier
- explicit script identifier v217_marks_emergence_scan.py
literal short identifier uniquely resolves in local script registry
- explicit script identifier v215_seam_deck_killtest.py
literal short identifier uniquely resolves in local script registry