Multiple distinct variations and realizations of Coordinated Universal Time exist

the verdict

SUPPORTED

the evidence backs this

Recorded sources

3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Coordinated Universal Time does not exist as a single physical broadcast signal; instead, multiple distinct physical realizations, designated as UTC(k), are maintained by various national metrology institutes and laboratories worldwide.

The analysis

The claim states that multiple distinct variations and realizations of Coordinated Universal Time exist. Papers [0], [4], and [9] explicitly discuss physical realizations of UTC, known as UTC(k), which are maintained by various national institutes and laboratories and evaluated via international circulars. Thus, the evidence strongly supports the claim.

Evidence for · 3

The Coordinated Universal Time (UTC)

Recorded source metadata

G Panfilo, F Arias. The Coordinated Universal Time (UTC). 2019. https://doi.org/10.1088/1681-7575/ab1e68

Discusses how local representations of UTC, named UTC(k), are maintained by national institutes and organizations.

Source citation format

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More for · 2

UTC and GNSS system time access using PPP with broadcast ephemerides

Recorded source metadata

L. Carlin, O. Montenbruck, J. Furthner, A. Hauschild. UTC and GNSS system time access using PPP with broadcast ephemerides. 2022. https://doi.org/10.1007/s10291-022-01326-z

Explores GNSS-specific UTC realizations and the prediction of offsets from different system times.

Source citation format

Prediction of physical realizations of the coordinated universal time with gated recurrent unit.

Recorded source metadata

M. A. Rivera-Ruiz, J. M. López-Romero, Andres Mendez-Vazquez. Prediction of physical realizations of the coordinated universal time with gated recurrent unit.. 2024. https://doi.org/10.1063/5.0172297

Examines physical realizations of UTC, known as UTC(k), across multiple different timescales and institutions.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 8801 Aug 2026

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