Matthew Lukin Smawfield

Temporal Equivalence Principle

A scalar-tensor framework for dynamical proper time, clock-network correlations, and synchronization holonomy

The Temporal Equivalence Principle proposes that proper time is a dynamical field. Its central claim is not that local relativity fails, but that proper-time accumulation and synchronization possess global structure that standard local, reciprocity-even tests are not designed to measure.

In TEP, matter and clocks couple to a causal metric governed by a scalar time field. The spatial and covariance structure of this field is called Temporal Topology; its locally active gradients are Temporal Shear. Local Lorentz invariance and locally measured c are preserved. The new observables are global: distance-structured clock correlations, environment-dependent rate effects, and residual synchronization holonomy around closed loops.

GR already predicts that clocks tick differently in different gravitational potentials. TEP asks whether, after standard GR redshift, Sagnac, Shapiro, Doppler, station-motion, and reference-frame effects are modeled and subtracted, reproducible residual structure remains in clock-rate covariance, Temporal Shear, or closed-loop synchronization.

The primary empirical programme tests this structure using global timing networks. GNSS analyses report distance-structured correlations in multi-center clock products, a 25-year CODE baseline, and raw RINEX-derived observables; satellite laser ranging provides an optical-domain consistency test. Astrophysical papers then test whether the same temporal-field structure organizes lensing, pulsars, Cepheids, wide binaries, and high-redshift galaxies.

All manuscripts, analysis code, derived outputs, and reproducibility instructions are released for open review. The next decisive steps are independent reproduction of the timing-network correlations, technology-independent clock and ranging tests, and direct closed-loop measurements of residual synchronization holonomy.

Start here: Key Concepts · Research Programme · Interactive Demo · Correlation Explorer · Replication Code · FAQ

Key Conceptual Framework

These three concepts define the operational core of TEP. Temporal Topology describes the clock-rate landscape, Temporal Shear describes its local gradient / slope, and Synchronization Holonomy gives the cleanest closed-loop experimental discriminator.

Temporal Topology → the clock-rate landscape Temporal Shear → the local gradient / slope Synchronization Holonomy → the closed-loop test
Temporal Topology

The spatial pattern and covariance of clock-rate structure

Plain meaning: Temporal Topology is the large-scale pattern of how proper time accumulates, varies, and correlates across space. It is the "landscape" of clock-rate structure through which clocks, light signals, and gravitational-wave signals propagate.
Core notation:
Θ(x) ≡ ln A(ϕ(x))
CA(x,x′) = ⟨δ ln A(x) δ ln A(x′)⟩

Using the compact notation Θ = ln A:

CΘ(x,x′) = ⟨δΘ(x) δΘ(x′)⟩

Matter and clocks couple to the causal matter metric:

μν = A²(ϕ)gμν + B(ϕ)∇μϕ∇νϕ
Intuition: Imagine a landscape of proper-time accumulation. The hills and valleys are not variations in the local speed of light. They represent differences in how proper time accumulates between regions: clocks in different parts of the landscape can tick differently relative to one another, even though every local observer still measures light at the same invariant c. In TEP, the key question is whether any residual structure remains after standard GR timing effects are accounted for. Flat plateaus represent screened or saturated regimes; structured regions contain gradients and correlations between distant clocks.

The landscape picture is only an analogy; the formal objects are ln A, CA, and μν.

Temporal Shear

The locally active gradient of the clock-rate potential

Plain meaning: Temporal Shear is the locally active gradient, or slope, of the clock-rate landscape. Where the clock-rate field changes across space or time, clocks may experience differential drift, phase shifts, period biases, lensing-like residuals, or modified dynamical scaling, depending on the measurement channel.
Core notation:
Σμ ≡ ∇μ ln A(ϕ)

Using Θ ≡ ln A:

Σμ = ∇μΘ

In screened or effectively saturated regimes, the observable shear/source-charge sector is suppressed:

Σμobs = 𝒮Σ(ℰ)Σμ

with 𝒮Σ(ℰ) → 0 in locally screened regimes, where ℰ denotes environmental state.

Intuition: If Temporal Topology is the landscape, Temporal Shear is the slope. Flat plateaus have little observable shear; hills, valleys, and transition regions have gradients. Depending on the measurement channel, those gradients may appear as clock-network covariance, rate-sector biases, lensing-like residuals, or environmental transition morphology.
Why gravitational waves are not an immediate contradiction In the conformal sector, photons and gravitational waves share the same local null-cone structure. If they traverse the same path through the same conformal temporal landscape, the effect is common-mode rather than a photon-graviton speed split. GW170817-type observations therefore strongly constrain differential photon-graviton propagation, especially disformal cone tilts, but they do not directly rule out a shared conformal clock-rate landscape.
Synchronization Holonomy

A closed-loop clock test for non-exact temporal structure

Plain meaning: Synchronization holonomy is the cleanest direct test of non-integrable time transport: it asks whether clock synchronization returns to itself after being transported around a closed loop. If, after all standard GR effects are removed, the loop returns with a residual proper-time offset, then the temporal transport is non-integrable.
Core notation:
Hresid[C] ≡ ∮C(σ̃ − σGR)

Equivalently:

Hresid[C] = ∬S(dσ̃ − dσGR),  ∂S = C
Here C is the closed synchronization path, S is a spanning surface with boundary C, σ̃ is the matter-frame TEP synchronization-transport one-form, and σGR is the modeled GR synchronization-transport one-form.
Intuition: Temporal Topology describes the landscape. Temporal Shear describes the slope. Synchronization Holonomy tests whether clock synchronization closes after a full loop through that structure. If the loop closes after GR subtraction, Hresid = 0. If it does not, the residual offset is a direct experimental target.
GR terms subtracted:
  • Sagnac
  • Shapiro delay
  • gravitational redshift
  • station motion
  • clock-scale realization
  • reference-frame corrections
  • gravitomagnetic / Lense-Thirring effects
Key property: A conformal-only exact gradient cannot generate leading-order closed-loop holonomy by itself. In a smooth, single-valued, simply connected region:
C Σμ dxμ = ∮CμΘ dxμ = ∮C dΘ = 0
Thus conformal clock-rate gradients can produce local rate shifts, open-path timing effects, and spatial covariance, but they do not produce leading-order closed-loop holonomy on their own. A leading nonzero Hresid requires disformal coupling, non-metricity, or another non-exact transport structure.

Research Programme

A theory of dynamical time, tested across clocks, light, and astrophysical systems

Foundations, timing-network tests, synchronization experiments, and astrophysical transfer tests.

I. Foundations

Temporal Equivalence Principle

Temporal Equivalence Principle: Dynamic Time & Emergent Light Speed

Introduces TEP as a covariant framework in which proper time is dynamical while local Lorentz invariance and locally measured c are preserved. The paper develops the two-metric formulation, global synchronization structure, and first observational targets for clock-network and closed-loop tests.

First published: 18 Aug 2025 | Updated: 29 Apr 2026
v0.8 (Jakarta) PDF
Precision Tests of General Relativity

What Do Precision Tests of General Relativity Actually Measure?

Most high-precision tests of general relativity constrain reciprocity-even, largely local observables within single-metric frameworks. This leaves open a specific underdetermination between GR and two-metric scalar-tensor sectors involving conformal, disformal, gradient, covariance, and holonomy observables.

First published: 31 Dec 2025 | Updated: 29 Apr 2026
v0.3 PDF

II. Timing-network tests

Global Time Echoes I

Global Time Echoes: Distance-Structured Correlations in GNSS Clocks

A phase-coherent spectral analysis of 62.7 million station-pair measurements from 364 GNSS stations (2023–2025) reports systematic distance-structured correlations in clock networks. These correlations follow an exponential decay with a median Temporal Topology correlation length λT = 3,330–4,549 km and show strong goodness-of-fit when evaluated...

First published: 17 Sep 2025 | Updated: 29 Apr 2026
v0.25 (Jaipur) PDF
25-Year Analysis

Global Time Echoes: 25-Year Analysis

A 25-year longitudinal analysis (1999–2024) of 165.2 million station-pair measurements from CODE clock products confirms the signal reported in Paper 1, tracking its evolution through multiple solar cycles and operational epochs.

First published: 3 Nov 2025 | Updated: 29 Apr 2026
v0.18 (Cairo) PDF
Global Time Echoes: Interactive GNSS Demo
INTERACTIVE DEMO

Global Time Echoes: Interactive GNSS Demo

Visualize the reported distance-dependent coherence pattern and compare it with the null expectation used in the analysis. Explore the correlation decay directly in the browser.

Try it now →

III. Synthesis and scaling tests

Temporal Topology Saturation Density

Universal Critical Density

Interprets ρT≈20 g/cm3 as a candidate Temporal Topology saturation scale and tests whether the associated M1/3 scaling organizes terrestrial, compact-object, galactic, and cosmological regimes.

First published: 28 Dec 2025 | Updated: 29 Apr 2026
v0.3 (New Delhi) PDF

IV. Astrophysical and cosmological tests

Suppressed Density Scaling in Globular Cluster Pulsars

Globular Cluster Pulsars

Reports a spatially stratified spin-down anomaly in 197 globular-cluster millisecond pulsars relative to 346 field controls, with a 0.40 dex controlled residual and covariance-aware significance of 8.3σ under the stated model. The observed density scaling is suppressed relative to the Newtonian ensemble baseline.

First published: 9 Jan 2026 | Updated: 29 Apr 2026
v0.6 (Caracas) PDF
The Cepheid Bias: A Candidate Resolution to the Hubble Tension

Cepheid Bias / Hubble Tension

Tests a proposed Cepheid Bias: an environment-dependent period contraction predicted by TEP, yielding a unified local value near H0≈68.17 km s−1 Mpc−1 under the model assumptions, with blind testing on independent distance-ladder samples still required.

First published: 11 Jan 2026 | Updated: 29 Apr 2026
v0.6 (Kingston upon Hull) PDF
Temporal Equivalence Principle: Temporal Shear Recovery in Gaia DR3 Wide Binaries

Gaia DR3 Wide Binaries

Finds evidence for a characteristic Temporal Shear recovery scale at Rs=2,646±182 AU statistical, with ±609 AU total uncertainty, and environmental ordering consistent with Temporal Shear recovery in weak-field environments.

First published: 19 Mar 2026 | Updated: 29 Apr 2026
v0.3 (Kilifi) PDF
The Soliton Wake

RBH-1 Soliton Wake

Explores RBH-1 as a candidate Temporal Topology soliton/wake interpretation, using the terrestrial calibration as a consistency check rather than as part of the primary evidence chain.

First published: 28 Dec 2025 | Updated: 29 Apr 2026
v0.3 (Blantyre) PDF

About this research

This research programme develops the Temporal Equivalence Principle as a theory in which time is a dynamical field. More precisely, TEP proposes that proper-time accumulation is governed by a scalar field coupled to the matter/clock metric. The central question is whether proper time, after standard local relativistic corrections, can be transported globally without path dependence.

The framework is formulated as a covariant scalar-tensor theory with a gravitational metric and a matter/clock metric. Local physics remains Lorentz invariant. The new effects appear in global observables: distributed clock correlations, synchronization holonomy, Temporal Shear, and environment-dependent Temporal Shear recovery.

The primary empirical tests use GNSS because global navigation systems form a planetary-scale network of atomic clocks. The reported signal is a distance-structured correlation pattern with characteristic length λT≈4,200 km, seen in processed clock products, a 25-year longitudinal analysis, and raw RINEX-derived observables. Satellite laser ranging provides an optical-domain consistency check.

The astrophysical papers then test whether the same temporal-field structure organizes phenomena normally treated separately: lensing mass discrepancies, globular-cluster pulsar timing, Cepheid distance-ladder biases, JWST high-redshift anomalies, and Gaia wide-binary dynamics. These applications are not presented as independent proof of TEP, but as cross-regime tests of a common Temporal Topology / Temporal Shear framework.

All papers, code, and data products are released for open review. The clearest near-term tests are external reproduction of the timing-network correlations, multi-constellation checks, optical-clock or fiber-link experiments, non-GNSS timing systems, and closed-loop one-way synchronization holonomy.

Interactive Correlation Decay Explorer

This interactive visualization displays the reported exponential decay pattern across processed clock products and raw RINEX-derived observables. The dual axes compare phase alignment in processed clock products with magnitude-squared coherence in raw RINEX-derived observables. Although these quantities are measured on different scales, both exhibit distance-structured decay consistent with the Global Time Echoes timing-network result.

The dotted trend lines show averaged exponential fits with Temporal Topology correlation lengths λT ranging from 600–4,500 km and fit qualities R²=0.87–0.99. Shorter values arise in reduced or raw-observation demonstrations; the multi-center processed-clock analyses report longer several-thousand-kilometre scales. The recurrence across methods indicates that the effect is not confined to one tested processing pipeline. Whether the recurrence is physical rather than systematic is the central replication question.

Open Science & Reproducibility

All manuscripts, analysis code, processing pipelines, derived outputs, and reproducibility notes are publicly available under open-source licenses. The primary timing analyses include processed GNSS clock products, a 25-year CODE baseline, raw RINEX-derived observables, and optical SLR checks, with documented workflows from input data to final figures.

Independent replication by other research groups is the decisive next step. Researchers interested in replication may find Paper 1 (TEP-GNSS I) the most accessible entry point, using publicly available CODE/IGS/ESA clock products (compact .clk files). Paper 2 (TEP-GNSS II) extends this with 25 years of CODE clock data. Paper 3 (TEP-GNSS III) provides the most direct raw-data test via RINEX processing but requires more substantial computational resources. Feedback on methodology, interpretation, or potential collaboration is welcomed.

TEP

github.com/matthewsmawfield/TEP

Core repository containing the theoretical framework, mathematical models, and LaTeX source. Includes derivation scripts, figure generation code, and the full manuscript source.

TEP-GNSS

github.com/matthewsmawfield/TEP-GNSS

Complete analysis pipeline for Paper 1 (TEP-GNSS I). Features multi-center cross-validation scripts, processing logs, JSON statistical outputs, and generated figures for correlation decay quantification.

CODE IGS ESA
21 steps 8-12 hrs ~10 GB

TEP-GNSS-II

github.com/matthewsmawfield/TEP-GNSS-II

Research compendium for Paper 2 (TEP-GNSS II). Contains longitudinal analysis scripts, orbital coupling logs, CMB alignment data, and comprehensive JSON result files.

CODE JPL DE432s
8 steps 4-6 hrs ~25 GB

TEP-GNSS-RINEX

github.com/matthewsmawfield/TEP-GNSS-RINEX

End-to-end pipeline for Paper 3 (TEP-GNSS III). Includes SPP processing scripts, raw RINEX analysis logs, consistency-test datasets, and resulting anisotropy figures from 1 billion samples.

IGS RINEX Multi-GNSS
15 steps 12-24 hrs ~100 GB

TEP-GL

github.com/matthewsmawfield/TEP-GL

Codebase for Paper 4 (TEP-GL). Contains phantom mass modeling scripts, rotation curve data, analysis logs, and the Python notebooks used to generate manuscript figures.

TEP-GTE

github.com/matthewsmawfield/TEP-GTE

Synthesis framework for Paper 5 (TEP-GTE). Includes integration scripts, cross-study correlation logs, consolidated JSON datasets, and summary figures demonstrating signal convergence.

TEP-UCD

github.com/matthewsmawfield/TEP-UCD

Scaling analysis codebase for Paper 6 (TEP-UCD). Features saturation-density calculation scripts, scaling law verification logs, and figure generation for the universal critical density ρT model.

TEP-RBH

github.com/matthewsmawfield/TEP-RBH

Analysis codebase for Paper 7 (TEP-RBH). Contains JWST NIRSpec data processing scripts, soliton wake modeling, line-profile decomposition tools, and visualization for the RBH-1 runaway black hole candidate analysis.

JWST NIRSpec Keck/LRIS van Dokkum et al.
12 scripts ~10-20 min ~600 MB

TEP-SLR

github.com/matthewsmawfield/TEP-SLR

Complete analysis pipeline for Paper 8 (TEP-SLR). Includes SLR data parsers, residual computation logs, correlation analysis scripts, and final result figures.

CDDIS ILRS LAGEOS
6 steps 2-4 hrs ~5-10 GB

TEP-EXP

github.com/matthewsmawfield/TEP-EXP

Codebase for Paper 9 (TEP-EXP). Methodological taxonomy of precision tests of general relativity, discriminating experiments, and analysis of which observables constrain conformal, disformal, local-gradient, clock-covariance, and synchronization-holonomy sectors.

TEP-COS

github.com/matthewsmawfield/TEP-COS

Codebase for Paper 10, Suppressed Density Scaling in Globular Cluster Pulsars. Contains pulsar catalog compilation, field-control comparisons, cluster-density scaling tests, and adversarial dynamics checks.

ATNF CMC Pantheon+ SDSS MaNGA
26 steps ~3 min ~5 GB

TEP-H0

github.com/matthewsmawfield/TEP-H0

Codebase for Paper 11 (TEP-H0). Includes SH0ES data processing, environment stratification, TEP correction optimization, and scripts testing whether an environment-dependent Cepheid correction can reduce the Hubble tension.

SH0ES Pantheon+ HyperLEDA TRGB OGLE-IV
12 steps ~15 min ~500 MB

TEP-JWST

github.com/matthewsmawfield/TEP-JWST

Codebase for Paper 12 (TEP-JWST). JWST high-redshift galaxy analysis, isochrony axiom tests, temporal shear calculations, SUSPENSE survey kinematic comparisons, and star formation efficiency modelling.

JWST Archive UNCOVER JADES CEERS COSMOS-Web FRESCO
176+ steps 4-8 hrs ~5-10 GB

TEP-WB

github.com/matthewsmawfield/TEP-WB

Codebase for Paper 13 (TEP-WB). Gaia DR3 wide-binary analysis, Temporal Shear recovery tests, disk/halo environmental ordering, and field-transition radius fitting.

Gaia DR3 RAVE APOGEE
14 steps 30-60 min ~2-5 GB

Frequently Asked Questions

What is the Temporal Equivalence Principle (TEP)?

TEP is a scalar-tensor framework proposing that time is a dynamical field. More precisely, proper-time accumulation is governed by a scalar field coupled to the matter/clock metric, while local Lorentz invariance and locally measured c are preserved.

How does TEP differ from general relativity?

TEP is proposed as a generalization of GR, not a simple replacement. GR is recovered to current experimental precision where the locally observable shear/source-charge sector is screened or saturated. Differences are expected in global or weakly screened observables: distributed clock correlations, closed-loop synchronization holonomy, and environment-dependent rate or screening transitions.

Is this just gravitational time dilation renamed?

No. GR already predicts gravitational time dilation: clocks tick differently in different gravitational potentials. TEP accepts that and does not claim it as new. The proposed new physics is residual structure after the standard GR timing model is removed: distance-structured clock covariance, environment-dependent Temporal Shear, and possible closed-loop synchronization holonomy.

What evidence motivates TEP?

TEP is first a theoretical framework, but its strongest empirical motivation is the timing-network programme: distance-structured GNSS clock correlations across multi-center products, a 25-year CODE analysis, raw RINEX-derived observables, and an optical-domain SLR consistency test. Pulsars, Cepheids, wide binaries, lensing, and JWST systems are transfer tests of the same Temporal Topology and Temporal Shear framework.

How does TEP reinterpret dark matter observations?

TEP does not deny the lensing, timing, dynamical, or cosmological phenomena usually attributed to dark matter. It challenges the assumption that those phenomena uniquely require a new invisible particulate substance. Temporal-field gradients and nontrivial proper-time transport can project into lensing, timing, and dynamical inference as an apparent mass-like component, termed Phantom Mass.

In the conservative interpretation, this is a testable correction to time-domain and variability-dependent lensing observables. In the stronger interpretation, tested across the series, part of the dark-sector phenomenology may be temporal in origin: an effect of analyzing a universe with nontrivial time transport under the assumption of global isochrony.

How does TEP address the Hubble tension?

TEP predicts that Cepheid periods may acquire an environment-dependent bias in deep gravitational potentials. In the current SH0ES-host analysis, correcting for this proposed bias shifts the inferred local value toward the Planck value. This should be read as a candidate distance-ladder systematic, not as a final resolution until tested blindly on independent Cepheid, TRGB, maser, and SN host samples.

Is TEP compatible with gravitational wave observations?

Yes, in the intended parameter regime. GW170817 tightly constrains differential photon–graviton propagation: any disformal cone tilt must be extremely small. TEP's main conformal-sector effects are different. If electromagnetic and gravitational signals travel along the same path through the same conformal temporal landscape, the effect is common-mode rather than a photon–graviton speed split. Conformal sectors remain indirectly constrained by PPN, equivalence-principle, source-screening, redshift, and clock-comparison tests.

What would test or falsify TEP?

The framework is designed to be tested through several increasingly independent pathways:

  1. Independent GNSS replication: Reproducing the reported timing correlations using independent processing of public IGS/CODE clock products.
  2. Raw-data robustness: Testing whether the timing signal persists when derived directly from raw RINEX observations using multiple GNSS processing engines (e.g., GIPSY, Bernese).
  3. Technology independence: Verifying if similar spatial-temporal structure is detectable via Satellite Laser Ranging (SLR), fiber-optic time transfer, or optical-clock networks.
  4. Closed-loop holonomy: Performing dedicated multi-leg timing experiments to search for residual synchronization holonomy after standard GR effects are removed.
  5. Screening morphology: Testing whether the predicted environment-dependent ordering persists in wide-binary, globular cluster, and galaxy-scale data.
  6. Astrophysical inheritance: Determining if the framework fails when timing-calibrated parameters are applied to lensing and cosmological observables without additional free parameters.

Does TEP claim GNSS is wrong?

No. GNSS works extraordinarily well. TEP does not claim navigation is failing. It asks whether residual clock-network covariance, after standard modeling and differencing, contains spatial structure normally treated as noise, covariance, or processing residual. The claim is about subdominant correlation structure, not operational GNSS accuracy.

How does TEP relate to MOND?

Both TEP and MOND address phenomenology attributed to dark matter, but through distinct mechanisms. MOND proposes a universal acceleration threshold (a₀ ≈ 1.2×10⁻¹⁰ m/s²) below which gravitational behavior deviates from Newtonian predictions. TEP instead tests environment-dependent Temporal Shear recovery organized around the Temporal Topology saturation scale ρT ≈ 20 g/cm3, which produces environmental ordering that differs from the MOND/EFE parameterizations tested in the wide-binary analysis. The two frameworks make qualitatively different predictions for environmental stratification.

Where can I find the TEP papers, data, and analysis code?

The full manuscript series is freely available at mlsmawfield.com with Zenodo DOIs. Analysis code and data pipelines are hosted on GitHub. All manuscripts, code, and data products are released under Creative Commons CC-BY-4.0 and MIT licenses.

Note on Disambiguation: The acronym TEP (Temporal Equivalence Principle) addresses the foundations of spacetime geometry. It is distinct from the thermoelectric power coefficient (Seebeck TEP) in condensed matter or the Total Extraperitoneal surgical procedure.