{"schema":"record/v1","id":"src_01M6VAG1X2SFKTF72ZMPFZ608X","type":"source","revision":1,"etag":"\"r1.s0\"","title":"cosign: sign and verify container images and other artifacts with Sigstore, README overview","summary":"The README presents cosign as a Sigstore tool for signing and verifying containers and other artifacts.","status":"active","body":{"text":"What it supplies: The README presents cosign as a Sigstore tool for signing and verifying containers and other artifacts.\n\nUseful for: - Sign a container image with keyless signing and verify it later.\n- Use hardware, KMS or a generated key pair instead of keyless signing.\n- Store signatures in an OCI registry.\n\nFirst action: - Download a binary from the GitHub release assets, or use a package manager from the installation docs.\n- For development, install Go 1.22 or later and run go install ./cmd/cosign.\n\nPrerequisites and limits: A developer install needs Go 1.22 or later. Release binaries need no Go toolchain. Do not download releases from the old GCS bucket; see the deprecation notice.\n\n- The README does not walk through signing commands; they are in the Sigstore documentation, which was not read.\n- Keyless signing depends on Sigstore's public services.\n\nThe README text read states no licence, so check the repository licence file. Keyless signing uses public Sigstore services (Fulcio and Rekor), with a Rekor transparency log.\n\nWritten from the README text only. Statements are as the README gives them; nothing was installed or run.\nBased on opening, features and install README text only; usage sections were not read. Nothing was installed or run.\n\nSource inspected: https://raw.githubusercontent.com/sigstore/cosign/92514f9fedfabaf562f4946469a29b18c1ea68e7/README.md ; 34472 bytes ; sha256 ff167bbc67a9ad2a043bc0581c5f5cfd9701cf826bc8ea15c18d01b496920983 ; 5 exact pinned excerpts in the draft pin map","archived":null,"revision":{"ref":"commit 92514f9fedfabaf562f4946469a29b18c1ea68e7","pinned":false,"source_url":"https://raw.githubusercontent.com/sigstore/cosign/92514f9fedfabaf562f4946469a29b18c1ea68e7/README.md"},"checked_at":"2026-11-07T11:13:47.813Z","parent_url":null,"usefulness":"- Sign a container image with keyless signing and verify it later.\n- Use hardware, KMS or a generated key pair instead of keyless signing.\n- Store signatures in an OCI registry.","source_type":"repository","availability":"available","dependencies":[],"source_owner":"Sigstore project (declared repository namespace)","canonical_url":"https://github.com/sigstore/cosign","next_check_at":null,"successor_url":null,"hardware_notes":null,"known_limitations":["A developer install needs Go 1.22 or later. Release binaries need no Go toolchain. Do not download releases from the old GCS bucket; see the deprecation notice.\n\n- The README does not walk through signing commands; they are in the Sigstore documentation, which was not read.\n- Keyless signing depends on Sigstore's public services.\n\nThe README text read states no licence, so check the repository licence file. Keyless signing uses public Sigstore services (Fulcio and Rekor), with a Rekor transparency log.\n\nWritten from the README text only. Statements are as the README gives them; nothing was installed or run.\nBased on opening, features and install README text only; usage sections were not read. Nothing was installed or run.","Rendered README text of the exact archived capture at the pinned commit, read in full by the author; no media viewed or heard; nothing executed or installed.","Source-documented steps; execution not performed. 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Release binaries need no Go toolchain. Do not download releases from the old GCS bucket; see the deprecation notice.\n\n- The README does not walk through signing commands; they are in the Sigstore documentation, which was not read.\n- Keyless signing depends on Sigstore's public services.\n\nThe README text read states no licence, so check the repository licence file. Keyless signing uses public Sigstore services (Fulcio and Rekor), with a Rekor transparency log.\n\nWritten from the README text only. Statements are as the README gives them; nothing was installed or run.\nBased on opening, features and install README text only; usage sections were not read. Nothing was installed or run.\n\nSource inspected: https://raw.githubusercontent.com/sigstore/cosign/92514f9fedfabaf562f4946469a29b18c1ea68e7/README.md ; 34472 bytes ; sha256 ff167bbc67a9ad2a043bc0581c5f5cfd9701cf826bc8ea15c18d01b496920983 ; 5 exact pinned excerpts in the draft pin map","revision":{"ref":"commit 92514f9fedfabaf562f4946469a29b18c1ea68e7","pinned":false,"source_url":"https://raw.githubusercontent.com/sigstore/cosign/92514f9fedfabaf562f4946469a29b18c1ea68e7/README.md"},"checked_at":"2026-11-07T11:13:47.813Z","usefulness":"- Sign a container image with keyless signing and verify it later.\n- Use hardware, KMS or a generated key pair instead of keyless signing.\n- Store signatures in an OCI registry.","source_type":"repository","availability":"available","source_owner":"Sigstore project (declared repository namespace)","canonical_url":"https://github.com/sigstore/cosign","known_limitations":["A developer install needs Go 1.22 or later. Release binaries need no Go toolchain. Do not download releases from the old GCS bucket; see the deprecation notice.\n\n- The README does not walk through signing commands; they are in the Sigstore documentation, which was not read.\n- Keyless signing depends on Sigstore's public services.\n\nThe README text read states no licence, so check the repository licence file. Keyless signing uses public Sigstore services (Fulcio and Rekor), with a Rekor transparency log.\n\nWritten from the README text only. Statements are as the README gives them; nothing was installed or run.\nBased on opening, features and install README text only; usage sections were not read. Nothing was installed or run.","Rendered README text of the exact archived capture at the pinned commit, read in full by the author; no media viewed or heard; nothing executed or installed.","Source-documented steps; execution not performed. Internal affiliated review is not independent validation."]},"tags":[],"type":"source","title":"cosign: sign and verify container images and other artifacts with Sigstore, README overview","rights":[{"notes":"Only the team-authored original attributed summary and links are covered. Upstream papers, tutorials, code, models, weights and media retain their separate terms; no source-text/media redistribution right is implied.","hosting":"permitted","component":"documentation","license_id":null,"modification":"permitted","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"The README presents cosign as a Sigstore tool for signing and verifying containers and other artifacts.","evidence":{"review":"unreviewed","execution":"not_run","inspection":"source_inspected"},"language":"en","categories":["T20"],"extensions":{"curation/v1":{"curator":"windows-claude-t3","revision":1,"topic_ids":[],"confidence":"Source-linked original summary checked by its author; not independently reviewed; execution not performed.","limitations":["A developer install needs Go 1.22 or later. Release binaries need no Go toolchain. Do not download releases from the old GCS bucket; see the deprecation notice.\n\n- The README does not walk through signing commands; they are in the Sigstore documentation, which was not read.\n- Keyless signing depends on Sigstore's public services.\n\nThe README text read states no licence, so check the repository licence file. Keyless signing uses public Sigstore services (Fulcio and Rekor), with a Rekor transparency log.\n\nWritten from the README text only. Statements are as the README gives them; nothing was installed or run.\nBased on opening, features and install README text only; usage sections were not read. Nothing was installed or run.","Rendered README text of the exact archived capture at the pinned commit, read in full by the author; no media viewed or heard; nothing executed or installed.","Source-documented steps; execution not performed. 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Release binaries need no Go toolchain. Do not download releases from the old GCS bucket; see the deprecation notice.\n\n- The README does not walk through signing commands; they are in the Sigstore documentation, which was not read.\n- Keyless signing depends on Sigstore's public services.\n\nThe README text read states no licence, so check the repository licence file. Keyless signing uses public Sigstore services (Fulcio and Rekor), with a Rekor transparency log.\n\nWritten from the README text only. Statements are as the README gives them; nothing was installed or run.\nBased on opening, features and install README text only; usage sections were not read. Nothing was installed or run.","Rendered README text of the exact archived capture at the pinned commit, read in full by the author; no media viewed or heard; nothing executed or installed.","Source-documented steps; execution not performed. 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