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OrcidCheckDigit ( Orcid_id ; Result ; Iterations )

Check digit calculation for ORCID author codes

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Geoff Tonge - Show more from this author Cambridge University Press

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

// Written by Geoff Tonge - Cambridge University Press // // 7 May 2013, to calculate Orcid check digits // // The ORCID iD is a check sum in accordance with ISO/IEC 7064:2003, MOD 11-2 // // ORCID (Open Researcher and Contributor ID) is a nonproprietary alphanumeric code to uniquely identify scientific and other academic authors. // // The Orcid_id parameter must have all of its hyphens removed, initially Result is set to ZERO and Iterations set to ONE // // It is your responsibility to make sure that the first 15 characters of the Orcid_id are all present and numeric // // OrcidCheckDigit ( "000000021825009" ; 0 ;1 ) returns a check digit of 7 // OrcidCheckDigit ( "000000021694233" ; 0 ;1 ) returns a check digit of X Case(Iterations < 16 ; OrcidCheckDigit( Orcid_id ; ( Middle(Orcid_id ; Iterations ; 1 ) + Result ) * 2 ; Iterations + 1 ) ; //Result Case( Mod ( 12 - Mod ( Result ; 11 ) ; 11 ) = 10 ; "X" ; Mod ( 12 - Mod ( Result ; 11 ) ; 11 ) ) ) Click to copy

Written by Geoff Tonge - Cambridge University Press

7 May 2013, to calculate Orcid check digits

The ORCID iD is a check sum in accordance with ISO/IEC 7064:2003, MOD 11-2

ORCID (Open Researcher and Contributor ID) is a nonproprietary alphanumeric code to uniquely identify scientific and other academic authors.

The Orcid_id parameter must have all of its hyphens removed, initially Result is set to ZERO and Iterations set to ONE

It is your responsibility to make sure that the first 15 characters of the Orcid_id are all present and numeric

OrcidCheckDigit ( "000000021825009" ; 0 ;1 ) returns a check digit of 7
OrcidCheckDigit ( "000000021694233" ; 0 ;1 ) returns a check digit of X

 

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