{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:E76QGG4OV5R35R5WPMQ46QSRC2","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":"18e3be60c804b6c98737f5eb6e40ee35ca81071dabaf345dc78b228fd3c82f59","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-10-04T07:48:52Z","title_canon_sha256":"8b98c7b1e9308f6db3698cc1cefe7aef662fd47e99b76db512f6d449e68609eb"},"schema_version":"1.0","source":{"id":"1710.02015","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.02015","created_at":"2026-05-18T00:33:37Z"},{"alias_kind":"arxiv_version","alias_value":"1710.02015v1","created_at":"2026-05-18T00:33:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.02015","created_at":"2026-05-18T00:33:37Z"},{"alias_kind":"pith_short_12","alias_value":"E76QGG4OV5R3","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"E76QGG4OV5R35R5W","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"E76QGG4O","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:6e3bc1b2858c00d1f7de8297aed9bdb60bd7b247daefdca079a4b8caa5418681","target":"graph","created_at":"2026-05-18T00:33:37Z","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":"In this paper, we discuss the definition of Q factor for nonlinear oscillators. While available definitions of Q are often limited to linear resonators or oscillators with specific topologies, our definition is applicable to any oscillator as a figure of merit for its amplitude stability. It can be formulated rigorously and computed numerically from oscillator equations. With this definition, we calculate and analyze the Q factors of several oscillators of different types. The results confirm that the proposed Q formulation is a useful addition to the characterization techniques for oscillator","authors_text":"Jaijeet Roychowdhury, Tianshi Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-10-04T07:48:52Z","title":"Rigorous Q Factor Formulation and Characterization for Nonlinear Oscillators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.02015","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":"sha256:9c6c96ee72ce0e6ed1734211a139a9c3faa3df13469eb2dfe803a69686c16492","target":"record","created_at":"2026-05-18T00:33:37Z","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":"18e3be60c804b6c98737f5eb6e40ee35ca81071dabaf345dc78b228fd3c82f59","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2017-10-04T07:48:52Z","title_canon_sha256":"8b98c7b1e9308f6db3698cc1cefe7aef662fd47e99b76db512f6d449e68609eb"},"schema_version":"1.0","source":{"id":"1710.02015","kind":"arxiv","version":1}},"canonical_sha256":"27fd031b8eaf63bec7b67b21cf425116b4395b0bc6957312b248842275f89aab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27fd031b8eaf63bec7b67b21cf425116b4395b0bc6957312b248842275f89aab","first_computed_at":"2026-05-18T00:33:37.761056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:37.761056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tJlBj4LK+9LIhNk/eMwRuuNnGkL84Lbb2LYhsC38HNKQcu1nzveBX1MDkzGfcrluLFLQ7I7/NGq3QCY2lRLcAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:37.761617Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.02015","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c6c96ee72ce0e6ed1734211a139a9c3faa3df13469eb2dfe803a69686c16492","sha256:6e3bc1b2858c00d1f7de8297aed9bdb60bd7b247daefdca079a4b8caa5418681"],"state_sha256":"2b9637a99f3a40dd1204d864d6231c272db2b383727daaaa755064bacb9f7915"}