apiVersion: "evidence.confighub.com/v1alpha1"
kind: "InstallerPackageSignatureReceipt"
metadata:
  name: "prometheus-community-alertmanager-1.37.0"
spec:
  observedAt: "2026-08-26T08:04:55.978Z"
  subject:
    packagePath: "packages/prometheus-community/alertmanager/1.37.0"
    publicationReceipt: "runs/installer-oci/prometheus-community-alertmanager/1.37.0/installer-package-publication-receipt.yaml"
    tagReference: "oci://europe-west1-docker.pkg.dev/nth-fort-499605-q5/helm-expt/prometheus-community-alertmanager:1.37.0"
    manifestDigest: "sha256:f499807405ceea0ca49d34c4978dd905cfb5fcce36b53fbcb0f521260e78f04e"
    immutableReference: "europe-west1-docker.pkg.dev/nth-fort-499605-q5/helm-expt/prometheus-community-alertmanager:1.37.0@sha256:f499807405ceea0ca49d34c4978dd905cfb5fcce36b53fbcb0f521260e78f04e"
    packageSHA256: "6f7e5817f60ede7b313f99b32f58026f2b9fd181404006d5ffcf2bcd06b0fec6"
    layerDigest: "sha256:6f7e5817f60ede7b313f99b32f58026f2b9fd181404006d5ffcf2bcd06b0fec6"
  signature:
    scheme: "sigstore-keyless"
    signerIdentity: "helm-expt-package-signer@nth-fort-499605-q5.iam.gserviceaccount.com"
    oidcIssuer: "https://accounts.google.com"
    bundlePath: "runs/installer-oci-signatures/prometheus-community-alertmanager/1.37.0/signature.sigstore.json"
    bundleSHA256: "50668d0e8828bc558b8dcb5d2523ec2f489d4faa31c32df00f7742bc4a334cea"
    payloadPath: "runs/installer-oci-signatures/prometheus-community-alertmanager/1.37.0/signature-payload.json"
    payloadSHA256: "10d7d35adff0013243e5e764b8d02df35df40d96d550ea27c210940b832e7e80"
    registryAttached: true
    registryAnonymousRead: true
  verification:
    result: "pass"
    command: "cosign verify --certificate-identity helm-expt-package-signer@nth-fort-499605-q5.iam.gserviceaccount.com --certificate-oidc-issuer https://accounts.google.com --annotations confighub.com/package-path=packages/prometheus-community/alertmanager/1.37.0 --annotations confighub.com/package-sha256=6f7e5817f60ede7b313f99b32f58026f2b9fd181404006d5ffcf2bcd06b0fec6 europe-west1-docker.pkg.dev/nth-fort-499605-q5/helm-expt/prometheus-community-alertmanager:1.37.0@sha256:f499807405ceea0ca49d34c4978dd905cfb5fcce36b53fbcb0f521260e78f04e"
    outputPath: "runs/installer-oci-signatures/prometheus-community-alertmanager/1.37.0/verification.json"
    outputSHA256: "e533d8b82c7f8d678f640d61df4c18b87fbca2d57193f69be0926e78dd39bafd"
    payloadCommand: "cosign verify-blob-attestation --bundle runs/installer-oci-signatures/prometheus-community-alertmanager/1.37.0/signature.sigstore.json --digest f499807405ceea0ca49d34c4978dd905cfb5fcce36b53fbcb0f521260e78f04e --digestAlg sha256 --type https://sigstore.dev/cosign/sign/v1 --certificate-identity helm-expt-package-signer@nth-fort-499605-q5.iam.gserviceaccount.com --certificate-oidc-issuer https://accounts.google.com"
    payloadOutputPath: "runs/installer-oci-signatures/prometheus-community-alertmanager/1.37.0/payload-verification.txt"
    payloadOutputSHA256: "80a53f76c7ed6969dade3b6ee47cdb753162db7c00be625448999d08bae77ed8"
    cosignVersion: "v3.1.3"
  annotations:
    confighub.com/package-path: "packages/prometheus-community/alertmanager/1.37.0"
    confighub.com/package-sha256: "6f7e5817f60ede7b313f99b32f58026f2b9fd181404006d5ffcf2bcd06b0fec6"
  scope:
    proves:
      - "the named signer signed the exact OCI manifest digest"
      - "the signature covers the package path and package SHA-256 annotations"
      - "the public registry served the signature without credentials when this receipt was written"
    doesNotProve:
      - "that the selected configuration is suitable for a particular cluster"
      - "that hooks, CRDs, Secrets, or other lifecycle work will succeed"
      - "that a later package published under the same tag has the same digest"