{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:BAQ5F3YIAQR2HFMTF7XKNOXHFR","short_pith_number":"pith:BAQ5F3YI","canonical_record":{"source":{"id":"2203.12414","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-03-19T09:02:26Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"15c0e3636c91592e5006f6724424c0daa8ac195c56f11572fd14cf27271fcd3d","abstract_canon_sha256":"d0ffdc6c73ad361abef484955f2e54335e2e31f9863a17b9c93f98ad562d1b3a"},"schema_version":"1.0"},"canonical_sha256":"0821d2ef080423a395932feea6bae72c4c620b03234d64c0497005a06b35331b","source":{"kind":"arxiv","id":"2203.12414","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.12414","created_at":"2026-07-05T04:07:59Z"},{"alias_kind":"arxiv_version","alias_value":"2203.12414v1","created_at":"2026-07-05T04:07:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.12414","created_at":"2026-07-05T04:07:59Z"},{"alias_kind":"pith_short_12","alias_value":"BAQ5F3YIAQR2","created_at":"2026-07-05T04:07:59Z"},{"alias_kind":"pith_short_16","alias_value":"BAQ5F3YIAQR2HFMT","created_at":"2026-07-05T04:07:59Z"},{"alias_kind":"pith_short_8","alias_value":"BAQ5F3YI","created_at":"2026-07-05T04:07:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:BAQ5F3YIAQR2HFMTF7XKNOXHFR","target":"record","payload":{"canonical_record":{"source":{"id":"2203.12414","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-03-19T09:02:26Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"15c0e3636c91592e5006f6724424c0daa8ac195c56f11572fd14cf27271fcd3d","abstract_canon_sha256":"d0ffdc6c73ad361abef484955f2e54335e2e31f9863a17b9c93f98ad562d1b3a"},"schema_version":"1.0"},"canonical_sha256":"0821d2ef080423a395932feea6bae72c4c620b03234d64c0497005a06b35331b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:07:59.223386Z","signature_b64":"+bBG7LYpNzzlAzMDJKPdI3vvzMfYRE3s7aRkI3bLZJfKk8c3AyY7dJ7uhW2wfOzbilIX/JNx5Prxet38su73DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0821d2ef080423a395932feea6bae72c4c620b03234d64c0497005a06b35331b","last_reissued_at":"2026-07-05T04:07:59.222998Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:07:59.222998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.12414","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":"2026-07-05T04:07:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zHZ2kp1RYxHa74eADLc7PNO61YRCjLFC6ZwOh9eWCJUfMQ+h8M2Sv+mMsdvkgrD79VQC9brBx7BlUlff2VstCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T19:14:10.339650Z"},"content_sha256":"f3e69ab92b49ec3ed2ce00ed364ba930f483f9c244cbc2ae9b6ad8de1e0a3c4e","schema_version":"1.0","event_id":"sha256:f3e69ab92b49ec3ed2ce00ed364ba930f483f9c244cbc2ae9b6ad8de1e0a3c4e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:BAQ5F3YIAQR2HFMTF7XKNOXHFR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Federated Learning Approach for Lifetime Prediction of Semiconductor Lasers","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"eess.SP","authors_text":"Helmut Griesser, Khouloud Abdelli, Stephan Pachnicke","submitted_at":"2022-03-19T09:02:26Z","abstract_excerpt":"A new privacy-preserving federated learning framework allowing laser manufacturers to collaboratively build a robust ML-based laser lifetime prediction model, is proposed. It achieves a mean absolute error of 0.1 years and a significant performance improvement"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.12414","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/2203.12414/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":"2026-07-05T04:07:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nmo4Pp3WvbtInBdcKB+umZGrhcWSTu/BU6NZhWskJxeYmX0of/bvcc0rkLIzy0tps70z7VEV4+lHG9CPIhSyDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T19:14:10.340190Z"},"content_sha256":"7f2c09351c2cf85315a18f16b149c018ab9700d774160242c13ed951b53e0a39","schema_version":"1.0","event_id":"sha256:7f2c09351c2cf85315a18f16b149c018ab9700d774160242c13ed951b53e0a39"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BAQ5F3YIAQR2HFMTF7XKNOXHFR/bundle.json","state_url":"https://pith.science/pith/BAQ5F3YIAQR2HFMTF7XKNOXHFR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BAQ5F3YIAQR2HFMTF7XKNOXHFR/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":"2026-08-14T19:14:10Z","links":{"resolver":"https://pith.science/pith/BAQ5F3YIAQR2HFMTF7XKNOXHFR","bundle":"https://pith.science/pith/BAQ5F3YIAQR2HFMTF7XKNOXHFR/bundle.json","state":"https://pith.science/pith/BAQ5F3YIAQR2HFMTF7XKNOXHFR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BAQ5F3YIAQR2HFMTF7XKNOXHFR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:BAQ5F3YIAQR2HFMTF7XKNOXHFR","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":"d0ffdc6c73ad361abef484955f2e54335e2e31f9863a17b9c93f98ad562d1b3a","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-03-19T09:02:26Z","title_canon_sha256":"15c0e3636c91592e5006f6724424c0daa8ac195c56f11572fd14cf27271fcd3d"},"schema_version":"1.0","source":{"id":"2203.12414","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.12414","created_at":"2026-07-05T04:07:59Z"},{"alias_kind":"arxiv_version","alias_value":"2203.12414v1","created_at":"2026-07-05T04:07:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.12414","created_at":"2026-07-05T04:07:59Z"},{"alias_kind":"pith_short_12","alias_value":"BAQ5F3YIAQR2","created_at":"2026-07-05T04:07:59Z"},{"alias_kind":"pith_short_16","alias_value":"BAQ5F3YIAQR2HFMT","created_at":"2026-07-05T04:07:59Z"},{"alias_kind":"pith_short_8","alias_value":"BAQ5F3YI","created_at":"2026-07-05T04:07:59Z"}],"graph_snapshots":[{"event_id":"sha256:7f2c09351c2cf85315a18f16b149c018ab9700d774160242c13ed951b53e0a39","target":"graph","created_at":"2026-07-05T04:07:59Z","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/2203.12414/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A new privacy-preserving federated learning framework allowing laser manufacturers to collaboratively build a robust ML-based laser lifetime prediction model, is proposed. It achieves a mean absolute error of 0.1 years and a significant performance improvement","authors_text":"Helmut Griesser, Khouloud Abdelli, Stephan Pachnicke","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-03-19T09:02:26Z","title":"Federated Learning Approach for Lifetime Prediction of Semiconductor Lasers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.12414","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:f3e69ab92b49ec3ed2ce00ed364ba930f483f9c244cbc2ae9b6ad8de1e0a3c4e","target":"record","created_at":"2026-07-05T04:07:59Z","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":"d0ffdc6c73ad361abef484955f2e54335e2e31f9863a17b9c93f98ad562d1b3a","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SP","submitted_at":"2022-03-19T09:02:26Z","title_canon_sha256":"15c0e3636c91592e5006f6724424c0daa8ac195c56f11572fd14cf27271fcd3d"},"schema_version":"1.0","source":{"id":"2203.12414","kind":"arxiv","version":1}},"canonical_sha256":"0821d2ef080423a395932feea6bae72c4c620b03234d64c0497005a06b35331b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0821d2ef080423a395932feea6bae72c4c620b03234d64c0497005a06b35331b","first_computed_at":"2026-07-05T04:07:59.222998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:07:59.222998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+bBG7LYpNzzlAzMDJKPdI3vvzMfYRE3s7aRkI3bLZJfKk8c3AyY7dJ7uhW2wfOzbilIX/JNx5Prxet38su73DA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:07:59.223386Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.12414","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3e69ab92b49ec3ed2ce00ed364ba930f483f9c244cbc2ae9b6ad8de1e0a3c4e","sha256:7f2c09351c2cf85315a18f16b149c018ab9700d774160242c13ed951b53e0a39"],"state_sha256":"97d12de1f8705bc4b977052809588a0696bd84ba7fb6da176fce0d09c75e5a1d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ikd2BxZTIvQyZSRPTb7Te66jvnUEgbz+89aqWmqDRQfqp52w1ylPQMS+hh30g8d7xdetWbzpiKrSqio4hs0WDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T19:14:10.345184Z","bundle_sha256":"b0b99e7199a3c2fa983b8cef1bbf1cf2399179a43751be6e325412b62161d93a"}}