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The Challenges of Uniquely Identifying Your Images

ID: aad037ed-401e-5652-b201-8ca35fba24f8

STIX ID: report--aad037ed-401e-5652-b201-8ca35fba24f8

Feed Name: Aqua Security Blog

Date Published: 2021-04-22

Date Updated: 2026-04-26

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**Executive summary:** This article explains discrepancies between Docker Hub manifest digests and local Docker Image IDs, demonstrates how to inspect repo digests to map registry hashes to local images, and recommends using cryptographic image signing (e.g., Notary v2 or cosign/sigstore) to ensure strong image provenance and integrity.

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