fixity

Relationships

n. (fixed, adj.) ~ The quality of being stable and resisting change.

Notes: 

Documents preserve memory because they fix information on a stable medium. The information may fade with time, or it may be may erased and overwritten, but barring external action the information remains unchanged over time.

Citations:
(InterPARES2, p. 3) The special challenges for making and keeping reliable records and preserving authentic records, the most salient characteristic of which is the lack of a stable form and content (that is, of fixity), as is the case with experiential, interactive and dynamic records.
(USC, 17 USC 101) Copyright · A work is 'fixed' in a tangible medium of expression when its embodiment in a copy or phonorecord, by or under the authority of the author, is sufficiently permanent or stable to permit it to be perceived, reproduced, or otherwise communicated for a period of more than transitory duration. A work consisting of sounds, images, or both, that are being transmitted, is 'fixed' for purposes of this title if a fixation of the work is being made simultaneously with its transmission.