OCI content digest (container image digest)

ID oci_digest

DatatypeNot PIIidentifierDraft

This record is a draft: it has not been reviewed yet and may be incomplete or wrong. Do not rely on it for compliance decisions. Help improve it (see CONTRIBUTING.md).

Content identifier of the OCI image and distribution specifications, used for container images and their layers (as in image@sha256:...): the algorithm, a colon and the digest in lowercase hexadecimal. The registered algorithms are sha256 (64 digits, the default), sha512 (128 digits) and blake3 (64 digits).

Categories: Software development, Cryptographic identifiers
Countries: Global (not tied to a country)
Languages: Common to most languages
Quality: 75/100 · missing: mapping (Wikidata, Schema.org, ...), translation, detector coverage
Metacrafter rules: no detection rule yet
Supported by tools: no tool record lists this type yet

Regular expression

^(?:sha256:[a-f0-9]{64}|sha512:[a-f0-9]{128}|blake3:[a-f0-9]{64})$

Python re syntax.

Examples

Value	Description
sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270	Digest of the example manifest of the OCI descriptor specification
sha256:6c3c624b58dbbcd3c0dd82b4c53f04194d1247c6eebdaab7c610cf7d66709b3b	Example digest string of the OCI descriptor specification
sha256:6C3C624B58DBBCD3C0DD82B4C53F04194D1247C6EEBDAAB7C610CF7D66709B3B invalid	Uppercase hexadecimal, which the specification forbids

Sources

doc: https://github.com/opencontainers/image-spec/blob/main/descriptor.md#digests

Use this record

Page URL: http://registry.apicrafter.io/datatype/oci_digest
JSON: API v1 · legacy shape (used by metacrafter) · Markdown (for LLMs)
Improve it: edit data/datatypes/any/software/oci_digest.yaml on GitHub