{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:QOSAEECCRA77GU2XLI7BPPRDWB","short_pith_number":"pith:QOSAEECC","canonical_record":{"source":{"id":"0805.3317","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2008-05-21T17:32:50Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"ff18545debea26c25b845c75b689bed82e8bd4ce12fdaed2e4f80a60ff08ab3d","abstract_canon_sha256":"2c0323b946239b7e42495082690f1f899edcd6ec09883338ef3010b8cc2de002"},"schema_version":"1.0"},"canonical_sha256":"83a4021042883ff353575a3e17be23b078970ad90bf0f2b259d22bec3be091d0","source":{"kind":"arxiv","id":"0805.3317","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.3317","created_at":"2026-05-18T00:59:11Z"},{"alias_kind":"arxiv_version","alias_value":"0805.3317v1","created_at":"2026-05-18T00:59:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.3317","created_at":"2026-05-18T00:59:11Z"},{"alias_kind":"pith_short_12","alias_value":"QOSAEECCRA77","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"QOSAEECCRA77GU2X","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"QOSAEECC","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:QOSAEECCRA77GU2XLI7BPPRDWB","target":"record","payload":{"canonical_record":{"source":{"id":"0805.3317","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2008-05-21T17:32:50Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"ff18545debea26c25b845c75b689bed82e8bd4ce12fdaed2e4f80a60ff08ab3d","abstract_canon_sha256":"2c0323b946239b7e42495082690f1f899edcd6ec09883338ef3010b8cc2de002"},"schema_version":"1.0"},"canonical_sha256":"83a4021042883ff353575a3e17be23b078970ad90bf0f2b259d22bec3be091d0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:11.767409Z","signature_b64":"VbfKXoM3keqRyDXT1nutNGYy0LzUcIl7YEqP7ttqlgBU/xhiKwFlz+3WUaqf1usaNcsNzw3L5qPxY58qe0y4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83a4021042883ff353575a3e17be23b078970ad90bf0f2b259d22bec3be091d0","last_reissued_at":"2026-05-18T00:59:11.766683Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:11.766683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0805.3317","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":"2026-05-18T00:59:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TyL4rC/UYphTJaBr50kodCVwMG2fCZJnKBhcUPaOgUyEH880mtZvTHW+vIYBZOy5Q00CkXEKKHe6rCqzQM3gAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:08:34.048592Z"},"content_sha256":"4f9089ac6d1b7bc2345c37d2d00f5758173b60ab3240b9991893fe14994ff8cd","schema_version":"1.0","event_id":"sha256:4f9089ac6d1b7bc2345c37d2d00f5758173b60ab3240b9991893fe14994ff8cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:QOSAEECCRA77GU2XLI7BPPRDWB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Determination of phase noise spectra in optoelectronic microwave oscillators: a Langevin approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.optics","authors_text":"Enrico Rubiola, Kirill Volyanskiy, Laurent Larger, Pere Colet, Yanne Kouomou Chembo","submitted_at":"2008-05-21T17:32:50Z","abstract_excerpt":"We introduce a stochastic model for the determination of phase noise in optoelectronic oscillators. After a short overview of the main results for the phase diffusion approach in autonomous oscillators, an extension is proposed for the case of optoelectronic oscillators where the microwave is a limit-cycle originated from a bifurcation induced by nonlinearity and time-delay. This Langevin approach based on stochastic calculus is also successfully confronted with experimental measurements."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.3317","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":""},"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":"2026-05-18T00:59:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3HwEkEoDPAAy1u/GW8x8+npYLO8dGIPue9zkWJwU7n9YVWqykvhqqvYNyaLmazlW2lx+27mIT/EvTiEt0158Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:08:34.049226Z"},"content_sha256":"315abf07226a3cec43b0fc22923b1aa3d10f90550feba18fd92d6991ef024cd9","schema_version":"1.0","event_id":"sha256:315abf07226a3cec43b0fc22923b1aa3d10f90550feba18fd92d6991ef024cd9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QOSAEECCRA77GU2XLI7BPPRDWB/bundle.json","state_url":"https://pith.science/pith/QOSAEECCRA77GU2XLI7BPPRDWB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QOSAEECCRA77GU2XLI7BPPRDWB/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":"2026-05-30T19:08:34Z","links":{"resolver":"https://pith.science/pith/QOSAEECCRA77GU2XLI7BPPRDWB","bundle":"https://pith.science/pith/QOSAEECCRA77GU2XLI7BPPRDWB/bundle.json","state":"https://pith.science/pith/QOSAEECCRA77GU2XLI7BPPRDWB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QOSAEECCRA77GU2XLI7BPPRDWB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:QOSAEECCRA77GU2XLI7BPPRDWB","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":"2c0323b946239b7e42495082690f1f899edcd6ec09883338ef3010b8cc2de002","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2008-05-21T17:32:50Z","title_canon_sha256":"ff18545debea26c25b845c75b689bed82e8bd4ce12fdaed2e4f80a60ff08ab3d"},"schema_version":"1.0","source":{"id":"0805.3317","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.3317","created_at":"2026-05-18T00:59:11Z"},{"alias_kind":"arxiv_version","alias_value":"0805.3317v1","created_at":"2026-05-18T00:59:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.3317","created_at":"2026-05-18T00:59:11Z"},{"alias_kind":"pith_short_12","alias_value":"QOSAEECCRA77","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"QOSAEECCRA77GU2X","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"QOSAEECC","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:315abf07226a3cec43b0fc22923b1aa3d10f90550feba18fd92d6991ef024cd9","target":"graph","created_at":"2026-05-18T00:59:11Z","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"},"paper":{"abstract_excerpt":"We introduce a stochastic model for the determination of phase noise in optoelectronic oscillators. After a short overview of the main results for the phase diffusion approach in autonomous oscillators, an extension is proposed for the case of optoelectronic oscillators where the microwave is a limit-cycle originated from a bifurcation induced by nonlinearity and time-delay. This Langevin approach based on stochastic calculus is also successfully confronted with experimental measurements.","authors_text":"Enrico Rubiola, Kirill Volyanskiy, Laurent Larger, Pere Colet, Yanne Kouomou Chembo","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2008-05-21T17:32:50Z","title":"Determination of phase noise spectra in optoelectronic microwave oscillators: a Langevin approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.3317","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":"sha256:4f9089ac6d1b7bc2345c37d2d00f5758173b60ab3240b9991893fe14994ff8cd","target":"record","created_at":"2026-05-18T00:59:11Z","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":"2c0323b946239b7e42495082690f1f899edcd6ec09883338ef3010b8cc2de002","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2008-05-21T17:32:50Z","title_canon_sha256":"ff18545debea26c25b845c75b689bed82e8bd4ce12fdaed2e4f80a60ff08ab3d"},"schema_version":"1.0","source":{"id":"0805.3317","kind":"arxiv","version":1}},"canonical_sha256":"83a4021042883ff353575a3e17be23b078970ad90bf0f2b259d22bec3be091d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83a4021042883ff353575a3e17be23b078970ad90bf0f2b259d22bec3be091d0","first_computed_at":"2026-05-18T00:59:11.766683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:59:11.766683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VbfKXoM3keqRyDXT1nutNGYy0LzUcIl7YEqP7ttqlgBU/xhiKwFlz+3WUaqf1usaNcsNzw3L5qPxY58qe0y4Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:59:11.767409Z","signed_message":"canonical_sha256_bytes"},"source_id":"0805.3317","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f9089ac6d1b7bc2345c37d2d00f5758173b60ab3240b9991893fe14994ff8cd","sha256:315abf07226a3cec43b0fc22923b1aa3d10f90550feba18fd92d6991ef024cd9"],"state_sha256":"092249f8a9faf8fef6d03f654a04d30a914272b7a82f257cd3962b0b0282f568"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EbqMySC5dAxFl67KMj00ia86UXjcSzl7tyiluVYnTRm9QRvOZXPMuIW3SXQGGIXspc+NBC9zKe8BqfEJ+qqEBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T19:08:34.052416Z","bundle_sha256":"9a21e14dcfb178e34fbe86737d6bac25c2593f80c59978e909929c5b15ab4704"}}