W.O.R.F. (Write Once Read Forever)

WORF (Write Once, Read Forever) is a new data storage method which allows users to write data once and allows storage of the users data without ever being refreshed. This differs from current digital storage techniques such as drives that need to be re-written often to prevent loss or corruption of data. WORF has the potential to store data forever and is currently being tested on the International Space Station (ISS).

W.O.R.F.
Write Once, Read Forever
Example of one possible WORF slide illustrating data, human readable microtext, indexing codes, a full-spectrum color image, and instructions for building a reader and decoding the data. WORF media is agnostic.
StatusPublished
OrganizationCreative Technology
CommitteeRichard Solomon, Eric Rosenthal, Jonathan Smith, Clark Johnson, Melitte Buchman
Domainarchival digital storage
AbbreviationWORF
Websitecreative-technology.net

Method

WORF uses a novel high-density patented[1][2][3][4][5] data storage mechanism based on silver halide, which after substantial testing has been determined to last for more than a century under conventional ambient environmental conditions.[6][7] WORF digital data is stored as microscopic, metallic, interference-created standing waves (representing narrowband ‟colors” ) embedded in a modern, super-resolution, dye-free, photosensitive emulsion. Wavelengths encode multiple superimposed states allowing complex data permutations to be stored per data region. Permutations enable extremely high data density to be stored on WORF media. Multi-state data architecture within each domain also enhances data integrity, error-checking, and accelerates parallel writing and reading for the entire media module.[7][8][9][10] Once data is written to WORF, energy is needed only for reading—no periodic refresh is necessary, and data is both immutable and truly permanent. Human readable text and images are embedded in the WORF module adjacent to the digital data. This text and imagery contain meta- information about the media's content, and instructions for decoding for future generations.

NASA Experiment

WORF payload was delivered and docked to the International Space Station (ISS) via SpaceX CRS-17 on May 9, 2019. NASA's ISS test will determine if WORF media can survive a hostile space environment during long-term space missions, such as Lunar, Mars missions, and beyond. The WORF media payload will stay on the ISS for up to one year.[6]

http://www.creative-technology.net/CTECH/WORF_NASA_Press_Release.html


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References
  1. US 6985294, "Full spectrum color projector" for generating narrowband wavelengths.
  2. US 7437000, "Full spectrum color detecting pixel camera" for accurate color detection.
  3. US 7521680, "Electromagnetic Spectral-Based Imaging Devices And Methods" for accurate color detection of WORF data regions
  4. US 8891344, "Wave-based optical data storage" specifying in detail WORF methods and procedures.
  5. US 9330706, "Write Once Read Forever Archival Data Storage"
  6. "NASA TechPort". techport.nasa.gov. Retrieved 2019-05-11.
  7. "Write Once, Read Forever (WORF): Low-energy storage in perpetuity of high-density, multi-state data". Archiving Conference. 2014: 118–122. June 2014.
  8. "Write Once, Read Forever (WORF)—Proof-Of-Concept Demonstrated for Archival Data Storage Using Interference Spectra". Archiving Conference. 2015: 92–97. May 2015.
  9. Solomon, Richard J.; Buchman, Melitte; Rosenthal, Eric; Smith, Jonathan M.; Johnson, Clark; Butterfield, William; Carlin, Donald (2016). "Test Data Reader for Write Once, Read Forever (WORF) Interference Spectra Archival Media". Archiving Conference. 2016: 61–65. doi:10.2352/issn.2168-3204.2016.1.0.61.
  10. Solomon, Richard J.; Buchman, Melitte; Rosenthal, Eric; Smith, Jonathan M.; Johnson, Clark (2019). "Toward a "Digital Noah's Archive" (DNA)". Archiving Conference. 2019: 66–71. doi:10.2352/issn.2168-3204.2019.1.0.15.
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