Skip to content
statementVerified

The Canobic Inscription is published as a parameter list under Ptolemy’s name; authenticity remains discussed

Heiberg’s minor astronomical works print the Canobic Inscription, a parameter list said to have been set up at Canopus. In the causal graph this event weakens Judicial independence erosion (court capture), a driver that strengthens Rule of Law Gap from the Highest Governance Score — an improving welfare path.

Sources: [1][2]

Read the full account

Heiberg’s minor astronomical works print the Canobic Inscription, a parameter list said to have been set up at Canopus. The dated public carrier is that edition. A sacred-looking parameter stele is an authority display; authenticity and find-spot remain discussed. Medium confidence.

Context

A printed inscription-as-authority is the path.

Ptolemy’s documented role is bounded by other offices and collaborators named in the sources below.

Conventional floruit is the mid-2nd century CE in Roman Alexandria.

Who was responsible

Contribution type and responsibility level for each recorded actor — not sole-author shorthand.

  • Ptolemy

    Person

    Direct responsibility

    responsibility level 0.24 · verified

What changed

Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.

Evidence

The sources behind this fact and its verification state.

Verified2 sources on file
  1. 1.Neugebauer, A History of Ancient Mathematical AstronomySpringer · High credibility · verified
  2. 2.Toomer, Ptolemy's Almagest — public library copyInternet Archive / Princeton University Press reprint · High credibility · verified
What the sources establish

Ptolemy did not file a later UNESCO form, a later Loeb colophon, or a later museum label as a personal act.

Causal path

How this event connects to drivers and indicators in the graph.

  1. ActorPtolemy
  2. contributed toFactThe Canobic Inscription is published as a parameter list under Ptolemy’s name; authenticity remains discussed
  3. weakensDriverJudicial independence erosion (court capture)
  4. strengthensIndicatorRule of Law Gap from the Highest Governance Score

Cite this page

Factrail. (2026). The Canobic Inscription is published as a parameter list under Ptolemy’s name; authenticity remains discussed. Factrail. https://factrail.ai/facts/pto-canobic-inscription-authority

https://factrail.ai/facts/pto-canobic-inscription-authority

Accessed 16 October 2026.

By the Factrail desk · Method: how we source and score · Last reviewed

Dispute this factNamed here, or represent someone who is? Request a right of reply.