The QCD vacuum

Structural Challenge

This response is paired with its canonical Structural Challenge: The QCD vacuum (P092) in the Physics Structural Challenge Ledger.

τ response

Evidence route

This response is supported by 5 canonical registry items in the τ Corpus.

• IV.D136 — Physical Vacuum Ω*[ω] bridge structure confidence: medium
• IV.D355 — Strong CP Framework Account: SA-i Forbids Topological C-Sector Charge direct problem account confidence: high
• IV.T160 — θ_QCD = 0 from C-Sector SA-i Admissibility formalization support confidence: high
• IV.P368 — Strong Sector Contribution direct problem account confidence: medium
• IV.P111 — Λ_QCD as readout saturation bridge structure confidence: medium

Notes

Verification

• Verification routeempirical_accountability
• Verification statuspending_external_review
• External statusexternally_open

External-review boundary

External QCD / nuclear-physics review of the τ formulation; comparison against lattice QCD, nuclear-experiment, and dense-matter / neutron-star observations.

Provenance

• v1 predecessorphys-the-qcd-vacuum (promoted one to one)
• v1 mapping recovered fromf534b3fb^

Status disclaimer

A Challenge Response reports the program's current internal stance against a canonical Structural Challenge. It does not imply external verification, scientific consensus, philosophical settlement, or final proof. Read it together with its evidence route, registry references, verification status, and external-review boundary.