{
  "id": "VAC-01",
  "uri": "https://cosmological-constant.org/claims/#VAC-01",
  "record_type": "Scientific claim",
  "status": "Standard input",
  "dependencies": [],
  "downstream_claims": [
    "VAC-02",
    "VAC-03",
    "EXT-01",
    "GR-02"
  ],
  "technical_statement": "In renormalised semiclassical gravity, the absolute vacuum-energy offset is scheme dependent because a constant shift of the matter Lagrangian renormalises the cosmological counterterm.",
  "public_statement": "Absolute zero-point energy is not by itself a scheme-independent observable.",
  "qualifier": "",
  "source_in_paper": "CC Paper I v1.0, Sec. 3, lines/section “compact-S4 vacuum-energy ambiguity”",
  "external_foundations": "BirrellDavies1982; Wald1994; BianchiRovelli2010; HollandsWald2004",
  "limits_open_issues": "Do not broaden this to “zero-point energy does not exist” or “never gravitates”.",
  "relations": "",
  "version_history": "v1.2; v1.3 (2026-08-01): source citation updated to the paired-cap revision.",
  "register_version": "v1.6"
}