The "Generate builder" and "Run sigstore/cosign-installer" steps have started failing for my workflows. This used to work fine, not sure if it is just an intermittent error or something more fundamental: Here's a build that worked 18 hours ago but is failing now (i.e. without any code changes): https://github.com/jkreileder/cf-ips-to-hcloud-fw/actions/runs/8339143012 (corresponding [workflow](https://github.com/jkreileder/cf-ips-to-hcloud-fw/blob/c16fa3460246c4612e2a2981ab96f1b7f51e053c/.github/workflows/docker.yaml)) 1. `Generate builder` error: ``` Verifying artifact slsa-generator-container-linux-amd64: FAILED: error retrieving Rekor public keys: updating local metadata and targets: error updating to TUF remote mirror: invalid key remote status:{ "mirror": "https://tuf-repo-cdn.sigstore.dev/", "metadata": { "root.json": { "version": 9, "len": 6766, "expiration": "12 Sep 24 06:53 UTC", "error": "" }, "snapshot.json": { "version": 132, "len": 2302, "expiration": "09 Apr 24 16:16 UTC", "error": "" }, "targets.json": { "version": 9, "len": 5478, "expiration": "12 Sep 24 06:13 UTC", "error": "" }, "timestamp.json": { "version": 169, "len": 723, "expiration": "26 Mar 24 16:16 UTC", "error": "" } } } FAILED: SLSA verification failed: error retrieving Rekor public keys: updating local metadata and targets: error updating to TUF remote mirror: invalid key remote status:{ "mirror": "https://tuf-repo-cdn.sigstore.dev/", "metadata": { "root.json": { "version": 9, "len": 6766, "expiration": "12 Sep 24 06:53 UTC", "error": "" }, "snapshot.json": { "version": 132, "len": 2302, "expiration": "09 Apr 24 16:16 UTC", "error": "" }, "targets.json": { "version": 9, "len": 5478, "expiration": "12 Sep 24 06:13 UTC", "error": "" }, "timestamp.json": { "version": 169, "len": 723, "expiration": "26 Mar 24 16:16 UTC", "error": "" } } } Error: Process completed with exit code 6. ``` 2. `Run sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06` error: ``` Error: getting ctlog public keys: updating local metadata and targets: error updating to TUF remote mirror: invalid key remote status:{ "mirror": "https://tuf-repo-cdn.sigstore.dev/", "metadata": { "root.json": { "version": 9, "len": 6766, "expiration": "12 Sep 24 06:53 UTC", "error": "" }, "snapshot.json": { "version": 132, "len": 2302, "expiration": "09 Apr 24 16:16 UTC", "error": "" }, "targets.json": { "version": 9, "len": 5478, "expiration": "12 Sep 24 06:13 UTC", "error": "" }, "timestamp.json": { "version": 169, "len": 723, "expiration": "26 Mar 24 16:16 UTC", "error": "" } } } main.go:74: error during command execution: getting ctlog public keys: updating local metadata and targets: error updating to TUF remote mirror: invalid key remote status:{ "mirror": "https://tuf-repo-cdn.sigstore.dev/", "metadata": { "root.json": { "version": 9, "len": 6766, "expiration": "12 Sep 24 06:53 UTC", "error": "" }, "snapshot.json": { "version": 132, "len": 2302, "expiration": "09 Apr 24 16:16 UTC", "error": "" }, "targets.json": { "version": 9, "len": 5478, "expiration": "12 Sep 24 06:13 UTC", "error": "" }, "timestamp.json": { "version": 169, "len": 723, "expiration": "26 Mar 24 16:16 UTC", "error": "" } } } Error: Process completed with exit code 1. ```