The following is a growing list of public-facing technical documentation from CDL’s various technologies, with an emphasis on metadata and identifiers.
ARKs are URLs designed to support persistent, long-term access to information objects.
BagIt is a set of hierarchical file system conventions designed to support disk-based storage and network transfer of arbitrary digital content.
Namaste (NAMe AS TExt) is a file naming convention to support primitive directory-level metadata tags exposed directly via filenames.
N2T.net is a generic identifier resolver that recognizes over 600 identifier types and forwards requests to their respective servers.
NOID provides minting, binding, and resolving services in support of preservation-ready identifiers.
Pairtree is a file system convention for the organization of a digital object store.
The YAMZ Metadictionary is an open vocabulary of metadata terms from all domains and from all parts of “metadata speech”.