# The Canobic Inscription is published as a parameter list under Ptolemy’s name; authenticity remains discussed Date: 146 ## The fact 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. It is one event. ## 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. Sharing a field with them is not a reason to drop a documented act, and it is not a reason to assign later consequences done in the name after death. Conventional floruit is the mid-2nd century CE in Roman Alexandria. Named person as heading of the dated public instrument. Later editors, museums, printers, or offices share publication. Complex where later carriers are the surviving public file. ## Evidence and sources Toomer, Ptolemy's Almagest — public library copy and Neugebauer, A History of Ancient Mathematical Astronomy independently describe this instrument. Official or archival record: Toomer, Ptolemy's Almagest — public library copy (https://archive.org/details/ptolemysalmagest0000ptol; Internet Archive / Princeton University Press reprint). ## Significance A printed Canobic parameter list is an authority-display path, not a verified temple inventory. ## What is established and what is not Established as a dated public record of this instrument. What would change the picture: a contradictory original with a different date or name, or a measured series that can be argued, with lag and alternatives, as a consequence of this instrument rather than of later institutions. What would change the picture: a contradictory original with a different date or name, or a measured series that can be argued, with lag and alternatives, as a consequence of this instrument rather than of later institutions. The date is the date of this instrument, not a licence to back-date every later harm or benefit. Established here: a sourced, dated public instrument with a named contribution by Ptolemy. They are not a public rating. Ptolemy did not file a later UNESCO form, a later Loeb colophon, or a later museum label as a personal act. A portrait or conventional bust is not this mechanism. Allegation, reconstruction, and established occurrence stay distinct. ## People - Ptolemy: https://factrail.ai/people/ptolemy ## Drivers - Judicial independence erosion (court capture): https://factrail.ai/drivers/justice-judicial-independence-erosion ## Sources - https://www.springer.com/gp/book/9780387902616 - https://archive.org/details/ptolemysalmagest0000ptol ## Methodology https://factrail.ai/methodology Canonical: https://factrail.ai/facts/pto-canobic-inscription-authority