Peter Struycken - Works - Komputerstrukturen

In 1969-1970, eight works were made based on the output of a computer program, which was programmed by Drs Stan Tempelaars. The output listings, produced by a line printer where hand coloured. Selected results were copied to paper (calque) and used to produce the black and white works, which measure 150 by 150 cm. The exact input files for the program are lost. (Some of the published input data, do not match the works.)

The works were reproduced in various catalogues. Many of this reproductions contain differences with the work. Here we report on these differences.

Komputerstrukturen 1

The first reproduction of Komputerstrukturen 1 can be found in the catalog P. Struycken komputerstrukturen (1970) on page 11. This reproduction is also found in Recente schilderijen (1970) on page 2 and an article in Vrij Nederland in the issue of February 21, 1970. These reproductions contain six differences compared to the reproduction in P. Struycken (2007) on page 108. (Knowing that the reproductions in the first catalogue contains many errors, it is save to presume that this last reproduction is the most accurate.) The first three reproductions have the following differences compared with the last reproduction:

Note that all reproductions contain a combination of four squares with a code that occurs but once. At row 29, column 31 where there is a black square resulting in the only code 31 (34 in the input) combination of four squares.

Komputerstrukturen 1a

Reproductions of Komputerstrukturen 1a in P. Struycken komputerstrukturen from 1970, Recente schilderijen from 1970, and P. Struycken from 2007 contain nine differences with the work. The reproductions contain the following nine differences (when compared with the work):

In Profile IX, Niederländische Kunst heute on page 155 a printout is given with three designs, of which the bottom one almost matches the work. Compared to the work it has the following three differences:

Komputerstrukturen 3

The design of Komputerstrukturen 3 as given in the item AB15700 has one difference with the work: In row 8, column 4, the design has a black square where the work has a white square. Note that both the work and the design contain two two-by-two squares that do not contain two white and two black squares as all others do. To compensate for this, one would have to:

Komputerstrukturen 3a

The reproduction of Komputerstrukturen 3a in P. Struycken komputerstrukturen (which is also copied in two newspaper articles) has the follown eleven differences compared with the work:

The design as given in the item AB15701 has one difference with the work: In row 50, column 29 the design has a white square where the work has a black square. Note that both the work and the design contain two two-by-two squares that do not contain two white and two black squares as all others do. To compensate for this, one would have to:

Komputerstrukturen 4

The reproduction of Komputerstrukturen 4 in P. Struycken komputerstrukturen when compared to the reproduction in P. Struycken (illustration 10 in the introduction and illustration 30 on page 36), and the image given on the website of Stedelijk Museum Amsterdam (under the name "Computerstructuur IV A, 1969"), has the following eight differences:

Komputerstrukturen 4a

The reproduction of Komputerstrukturen 4a in P. Struycken komputerstrukturen has the following ten differences with the work:


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