{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:C5ESI5RWL7E5DSN6LJJDMTIWQQ","short_pith_number":"pith:C5ESI5RW","canonical_record":{"source":{"id":"2501.13697","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-01-23T14:24:11Z","cross_cats_sorted":["cs.SY","stat.ML"],"title_canon_sha256":"42ed719b8f1b24dad4d7df8a691b155d1d3d282e7d2669003c668be8e5bfa7bd","abstract_canon_sha256":"f68740510eed0b920205b38c4e69fd4ebc714c3cd0ee965617e840c148315050"},"schema_version":"1.0"},"canonical_sha256":"17492476365fc9d1c9be5a52364d16841c90f73ceb9aee36e0c8e9c6354360cd","source":{"kind":"arxiv","id":"2501.13697","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.13697","created_at":"2026-07-05T10:04:32Z"},{"alias_kind":"arxiv_version","alias_value":"2501.13697v1","created_at":"2026-07-05T10:04:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.13697","created_at":"2026-07-05T10:04:32Z"},{"alias_kind":"pith_short_12","alias_value":"C5ESI5RWL7E5","created_at":"2026-07-05T10:04:32Z"},{"alias_kind":"pith_short_16","alias_value":"C5ESI5RWL7E5DSN6","created_at":"2026-07-05T10:04:32Z"},{"alias_kind":"pith_short_8","alias_value":"C5ESI5RW","created_at":"2026-07-05T10:04:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:C5ESI5RWL7E5DSN6LJJDMTIWQQ","target":"record","payload":{"canonical_record":{"source":{"id":"2501.13697","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-01-23T14:24:11Z","cross_cats_sorted":["cs.SY","stat.ML"],"title_canon_sha256":"42ed719b8f1b24dad4d7df8a691b155d1d3d282e7d2669003c668be8e5bfa7bd","abstract_canon_sha256":"f68740510eed0b920205b38c4e69fd4ebc714c3cd0ee965617e840c148315050"},"schema_version":"1.0"},"canonical_sha256":"17492476365fc9d1c9be5a52364d16841c90f73ceb9aee36e0c8e9c6354360cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:04:32.780587Z","signature_b64":"9OlHqbZhbHI/ySt0K7t6FmP7y9Iy0G/s8WD5rF+BlFH7AJq/Z8ctYP1JjdxZ+Ify/dwLhANuCUsWaeVLbDggBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"17492476365fc9d1c9be5a52364d16841c90f73ceb9aee36e0c8e9c6354360cd","last_reissued_at":"2026-07-05T10:04:32.780116Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:04:32.780116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.13697","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:04:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MX2hCGGFjA5quIHpzcXK8sQrTIN8inLZlYb05kgEJDHnPugvWGLhX1qC1LpZ1HtmcJDYvcgnZGw61j1ObE4rAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T18:33:31.221450Z"},"content_sha256":"c8f86b968cea8cc4c46d03b2be83068f8baa3b1e26c3cc3f8fbdfd91d06d7306","schema_version":"1.0","event_id":"sha256:c8f86b968cea8cc4c46d03b2be83068f8baa3b1e26c3cc3f8fbdfd91d06d7306"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:C5ESI5RWL7E5DSN6LJJDMTIWQQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Safety in safe Bayesian optimization and its ramifications for control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY","stat.ML"],"primary_cat":"eess.SY","authors_text":"Christian Fiedler, Johanna Menn, Sebastian Trimpe","submitted_at":"2025-01-23T14:24:11Z","abstract_excerpt":"A recurring and important task in control engineering is parameter tuning under constraints, which conceptually amounts to optimization of a blackbox function accessible only through noisy evaluations. For example, in control practice parameters of a pre-designed controller are often tuned online in feedback with a plant, and only safe parameter values should be tried, avoiding for example instability. Recently, machine learning methods have been deployed for this important problem, in particular, Bayesian optimization (BO). To handle safety constraints, algorithms from safe BO have been utili"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.13697","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.13697/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:04:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ts1VgYUhqGsssR/+0cf3JC7iXSCqlf5FP3wRRT9F+x0TPLmuE+H9LCOBo1IHHYcrB2Tz89pbmVPnj5ylJERvDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T18:33:31.222617Z"},"content_sha256":"710dbdf045e6f01759239100be28c02049f11e95cda248077ca0873be01d97cf","schema_version":"1.0","event_id":"sha256:710dbdf045e6f01759239100be28c02049f11e95cda248077ca0873be01d97cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C5ESI5RWL7E5DSN6LJJDMTIWQQ/bundle.json","state_url":"https://pith.science/pith/C5ESI5RWL7E5DSN6LJJDMTIWQQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C5ESI5RWL7E5DSN6LJJDMTIWQQ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-16T18:33:31Z","links":{"resolver":"https://pith.science/pith/C5ESI5RWL7E5DSN6LJJDMTIWQQ","bundle":"https://pith.science/pith/C5ESI5RWL7E5DSN6LJJDMTIWQQ/bundle.json","state":"https://pith.science/pith/C5ESI5RWL7E5DSN6LJJDMTIWQQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C5ESI5RWL7E5DSN6LJJDMTIWQQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:C5ESI5RWL7E5DSN6LJJDMTIWQQ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f68740510eed0b920205b38c4e69fd4ebc714c3cd0ee965617e840c148315050","cross_cats_sorted":["cs.SY","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-01-23T14:24:11Z","title_canon_sha256":"42ed719b8f1b24dad4d7df8a691b155d1d3d282e7d2669003c668be8e5bfa7bd"},"schema_version":"1.0","source":{"id":"2501.13697","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.13697","created_at":"2026-07-05T10:04:32Z"},{"alias_kind":"arxiv_version","alias_value":"2501.13697v1","created_at":"2026-07-05T10:04:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.13697","created_at":"2026-07-05T10:04:32Z"},{"alias_kind":"pith_short_12","alias_value":"C5ESI5RWL7E5","created_at":"2026-07-05T10:04:32Z"},{"alias_kind":"pith_short_16","alias_value":"C5ESI5RWL7E5DSN6","created_at":"2026-07-05T10:04:32Z"},{"alias_kind":"pith_short_8","alias_value":"C5ESI5RW","created_at":"2026-07-05T10:04:32Z"}],"graph_snapshots":[{"event_id":"sha256:710dbdf045e6f01759239100be28c02049f11e95cda248077ca0873be01d97cf","target":"graph","created_at":"2026-07-05T10:04:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2501.13697/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A recurring and important task in control engineering is parameter tuning under constraints, which conceptually amounts to optimization of a blackbox function accessible only through noisy evaluations. For example, in control practice parameters of a pre-designed controller are often tuned online in feedback with a plant, and only safe parameter values should be tried, avoiding for example instability. Recently, machine learning methods have been deployed for this important problem, in particular, Bayesian optimization (BO). To handle safety constraints, algorithms from safe BO have been utili","authors_text":"Christian Fiedler, Johanna Menn, Sebastian Trimpe","cross_cats":["cs.SY","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-01-23T14:24:11Z","title":"Safety in safe Bayesian optimization and its ramifications for control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.13697","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c8f86b968cea8cc4c46d03b2be83068f8baa3b1e26c3cc3f8fbdfd91d06d7306","target":"record","created_at":"2026-07-05T10:04:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f68740510eed0b920205b38c4e69fd4ebc714c3cd0ee965617e840c148315050","cross_cats_sorted":["cs.SY","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-01-23T14:24:11Z","title_canon_sha256":"42ed719b8f1b24dad4d7df8a691b155d1d3d282e7d2669003c668be8e5bfa7bd"},"schema_version":"1.0","source":{"id":"2501.13697","kind":"arxiv","version":1}},"canonical_sha256":"17492476365fc9d1c9be5a52364d16841c90f73ceb9aee36e0c8e9c6354360cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17492476365fc9d1c9be5a52364d16841c90f73ceb9aee36e0c8e9c6354360cd","first_computed_at":"2026-07-05T10:04:32.780116Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:04:32.780116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9OlHqbZhbHI/ySt0K7t6FmP7y9Iy0G/s8WD5rF+BlFH7AJq/Z8ctYP1JjdxZ+Ify/dwLhANuCUsWaeVLbDggBg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:04:32.780587Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.13697","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8f86b968cea8cc4c46d03b2be83068f8baa3b1e26c3cc3f8fbdfd91d06d7306","sha256:710dbdf045e6f01759239100be28c02049f11e95cda248077ca0873be01d97cf"],"state_sha256":"1e3ae9bc0b7129322ad7f96b7edf8c5e2f778495ac547974ee9f233a27fc54b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VgdXudFu9Kkxmf9pYznEIEV4b76pnZSWlwvuMGtmd41FB+YvwhGmdSQUkSJ/BbXoXbEb5d3ZM/BiIAEjgD9KBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T18:33:31.306848Z","bundle_sha256":"ba2a4290ce4dc7e7bc7b0828fbec4847586e22e12c355d64e1790fe5064e0680"}}