frontiers / frontier
The action log of this frontier: every transition, attributed and ordered as a replayable path from question to outcome.
Trail contract
Trails turn the record into a navigable path. They help users see what happened, why it happened, and where inspection should return.
trail anchor
A trail should name the finding, source, event, provenance identity, or proof packet it is explaining.
inspect records →
path type
Source lineage, dependency reasoning, review decisions, and run history can share one timeline without losing their roles.
check trust →
review return
If the path exposes a gap, bridge, contradiction, stale source, or affected proof, it should return to review before changing frontier state.
open workbench →
provenance identities
event log
showing most recent 120 of 218
finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.caveatedreviewer:will-blairVerifier caution: Type Ia heterogeneity reducing tension from 5σ to 0.5σ in one analysis is cherry-picked: Astrobites and calibration literature show heterogeneity matters (remaining scatter ~0.97 mag²) but does not uniformly yield 0.5σ reduction across methods. Fitting methodology does matter sig2026-05-29finding.caveatedreviewer:will-blairVerifier caution: TDCOSMO found H0~73-74 km/s/Mpc (verified), GW170817 H0~70±8 km/s/Mpc (verified). However, the claim that combined result is 'higher than Planck' is misleading: TDCOSMO alone already overlaps both values; combining does not simply shift higher. The statement that systematics 'mus2026-05-29finding.caveatedreviewer:will-blairVerifier caution: Paper (arXiv 2507.08479) does show MCMC fine-tuning problem for single-field EDE, but the specific numerical parameters (z_c~60,467, f~0.798) are stated with unjustified precision. The paper discusses parameter constraints but does not appear to assert these exact values with suc2026-05-29finding.caveatedreviewer:will-blairVerifier caution: CMB dipole subtraction and dust foreground modeling do have systematic uncertainties (e.g., Planck intermediate results cite ~0.5% B/E-mode polarization ratio). However, link to Omega_Lambda and downstream H0 via 'matter-dominated distance metrics' is unclear. No clear citation; 2026-05-29finding.caveatedreviewer:will-blairVerifier caution: Metallicity period-luminosity dependence exists but magnitude is contested. SH0ES calibration (~−0.2 mag dex⁻¹) yields smaller corrections than some infrared studies (~−0.4 to −0.5 mag dex⁻¹). The 5–8% distance shift appears to exceed documented SH0ES systematic budgets. Likely o2026-05-29finding.caveatedreviewer:will-blairVerifier caution: Joint reanalysis of BAO systematics and SNIa dust extinction coupling is theoretically sound but no specific citation provided (doi: null). Claim is plausible within systematic-error literature but cannot verify specific recalibration result. Keep as exploratory hypothesis pendin2026-05-29finding.dependency_invalidatedreviewer:will-blairUpstream finding vf_92a4abc490ebaf6c retracted; cascade depth 32026-05-29finding.dependency_invalidatedreviewer:will-blairUpstream finding vf_92a4abc490ebaf6c retracted; cascade depth 22026-05-29finding.dependency_invalidatedreviewer:will-blairUpstream finding vf_92a4abc490ebaf6c retracted; cascade depth 12026-05-29finding.retractedreviewer:will-blairVerifier-flagged: The stated parallax (81.09 ± 0.11 mas) does NOT convert to distance 30.92 ± 0.04 kpc. Correct conversion: 1/0.08109 arcsec = 12.3 kpc, not 30.92 kpc. Recent Gaia DR3 LMC distance is ~49.97 kpc. The parallax value may be misquoted, or the distance is from a different source/epoch.2026-05-29finding.caveatedreviewer:will-blairVerifier caution: Infrared TRGB measurements do show discrepancies vs. optical, but the specific claim of '3–4% systematically shorter distances' is stated without citing a comprehensive analysis. The literature shows infrared TRGB studies exist (WFC3-IR, Spitzer confirmed via OpenAlex) but the co2026-05-29finding.caveatedreviewer:will-blairVerifier caution: Planck 2018 (1807.06209) gives z_rec ≈ 1090, z_drag ≈ 1060, not the round values 1100 and 1000. More critically, the claim of '0.2% precision' on sound horizon is unsupported—Planck 2018 reports 0.03% precision on angular acoustic scale θ_*, which does not directly translate to 02026-05-29finding.caveatedreviewer:will-blairVerifier caution: Finding attributes τ = 0.059 ± 0.006 to 'Planck 2018 results VI' but official Planck 2018 legacy release gives τ = 0.054 ± 0.007. The 0.059 value is from a 2020 post-hoc refined analysis (Paoletti et al., arXiv:1908.09856) of Planck 2018 HFI data with improved systematics treatme2026-05-29finding.caveatedreviewer:will-blairVerifier caution: arXiv:2601.00650 reports 2.4σ internal tension (not 2.9σ) between ΛCDM-dependent and model-independent local measurements, with ~3.2 km/s/Mpc offset (not 3.4 km/s/Mpc). Numbers are close but both overstated.2026-05-29finding.caveatedreviewer:will-blairVerifier caution: DESI 2024 VI BAO paper publishes H0 = 68.52 ± 0.62 km/s/Mpc, not 68.53 ± 0.80. The value rounded 68.52→68.53 is minor; the uncertainty ±0.80 vs ±0.62 is a substantive overstatement of error bars.2026-05-29artifact.assertedagent:source-adapterImport artifact va_1afbad6f733b6d4b from artifact packet cap_aa607e967bc9efe72026-05-29artifact.assertedagent:source-adapterImport artifact va_f6f706460643c849 from artifact packet cap_a2e53486866a7c3a2026-05-29artifact.assertedagent:source-adapterImport artifact va_41fd7f5353601315 from artifact packet cap_a2e53486866a7c3a2026-05-29artifact.assertedagent:source-adapterImport artifact va_d6d82063bf0c2e67 from artifact packet cap_a2e53486866a7c3a2026-05-29artifact.assertedagent:source-adapterImport artifact va_fff271492480e448 from artifact packet cap_a2e53486866a7c3a2026-05-29artifact.assertedagent:source-adapterImport artifact va_afeebed71ff7ddf9 from artifact packet cap_a2e53486866a7c3a2026-05-29artifact.assertedagent:source-adapterImport artifact va_3f0b4e32987355d6 from artifact packet 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cap_505f6f6c35e70ae22026-05-29artifact.assertedagent:source-adapterImport artifact va_95dd07e141c06014 from artifact packet cap_505f6f6c35e70ae22026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29finding.assertedreviewer:will-blairManual finding added to frontier state2026-05-29