References

HAB91 Haber, S and Stornetta, WS, "How to time-stamp a digital document", Journal of Cryptography, Vol 3 No 2 pp 99-111, 1991. The original paper is available from Surety.

TSA For example see the services offered by Entrust. The IETF Public Key Infrastructure security area project (PKIX) has defined a Time Stamping Protocol (TSP) which defines how time stamping agencies (TSAs) will operate in the future. See also the 'stamper' service operated by IT Consultancy Ltd.

BTG 'Keeping a laboratory notebook' is a very good resume available as a booklet from the publications section of BTG. 'Publish and be damned' is another informative booklet from BTG.
 
UKPO The UK Patent Office provides a core, authoritive resource for the nature and types of IPR and what procedures they operate for their formal registration.
 
SURETY Surety Inc operate a commercial IPR registration system. Though see also timestamping services.

CCL A good review of watermarking issues is available at the Cambridge Computer Lab Computer Security group pages.

NIST The US cryptographic standards are developed at the National Institute for Standards and Technology (NIST).

EPRINTS Academic publishing is becoming aware of the need for registering pre-prints and follow-up versions of papers. For example see the Eprints project.

DTI The UK Department of Trade and Industry (DTI) Innovations Unit promotes improved methods of recording and registering of IPR.

PKIX The Public Key Infrastructure working group is a member of the The Internet Engineering Task Force (IETF) collective run by the Internet Society.