{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:J3YSNPX56G63JK2NJTHE7LMV33","short_pith_number":"pith:J3YSNPX5","canonical_record":{"source":{"id":"1210.8075","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-10-30T16:37:19Z","cross_cats_sorted":[],"title_canon_sha256":"3b5fa2ac306f8ac7e47e546f152eb484c6ad4135fec78c74b837528a8fea6287","abstract_canon_sha256":"46f6396446d699ae0a34c896ca8d3994188eb09d326148bc2001da5aab321c55"},"schema_version":"1.0"},"canonical_sha256":"4ef126befdf1bdb4ab4d4cce4fad95def6c9e9fcfba2056863fdf8c2d56a6f98","source":{"kind":"arxiv","id":"1210.8075","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.8075","created_at":"2026-05-18T03:25:25Z"},{"alias_kind":"arxiv_version","alias_value":"1210.8075v1","created_at":"2026-05-18T03:25:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.8075","created_at":"2026-05-18T03:25:25Z"},{"alias_kind":"pith_short_12","alias_value":"J3YSNPX56G63","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"J3YSNPX56G63JK2N","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"J3YSNPX5","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:J3YSNPX56G63JK2NJTHE7LMV33","target":"record","payload":{"canonical_record":{"source":{"id":"1210.8075","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-10-30T16:37:19Z","cross_cats_sorted":[],"title_canon_sha256":"3b5fa2ac306f8ac7e47e546f152eb484c6ad4135fec78c74b837528a8fea6287","abstract_canon_sha256":"46f6396446d699ae0a34c896ca8d3994188eb09d326148bc2001da5aab321c55"},"schema_version":"1.0"},"canonical_sha256":"4ef126befdf1bdb4ab4d4cce4fad95def6c9e9fcfba2056863fdf8c2d56a6f98","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:25:25.490388Z","signature_b64":"mpQoHR86T5c6yYAD1osihb1y//AbQ+iK9vjPuldvu5wS6Fk1GabqLaAy09aLzTs3fOMOBfSd2g9Pb1okTsNSBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ef126befdf1bdb4ab4d4cce4fad95def6c9e9fcfba2056863fdf8c2d56a6f98","last_reissued_at":"2026-05-18T03:25:25.489790Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:25:25.489790Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.8075","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":"2026-05-18T03:25:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VM5rA5SHGBTeHYceaEhS+3aCDztFzQlv16tjHGkXlgtZuBLj03olT1XQvDa0w1hANpzTaS83V54AQ3Oz9Px7DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:48:46.021528Z"},"content_sha256":"ca24929c09ef2f82207ccc008414d54b544171a9d17c6e9cbb00cc43e71832da","schema_version":"1.0","event_id":"sha256:ca24929c09ef2f82207ccc008414d54b544171a9d17c6e9cbb00cc43e71832da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:J3YSNPX56G63JK2NJTHE7LMV33","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Surpassing fundamental limits of oscillators using nonlinear resonators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"E. Kenig, L.G. Villanueva, M.C. Cross, M.H. Matheny, M.L. Roukes, R.B. Karabalin, R. Lifshitz","submitted_at":"2012-10-30T16:37:19Z","abstract_excerpt":"Self-sustained oscillators are ubiquitous and essential for metrology, communications, time reference, and geolocation. In its most basic form an oscillator consists of a resonator driven on-resonance, through feedback, to create a periodic signal sustained by a static energy source. The generation of a stable frequency, the basic function of oscillators, is typically achieved by increasing the amplitude of motion of the resonator while remaining within its linear, harmonic, regime. Contrary to this conventional paradigm, in this Letter we show that by operating the oscillator at special point"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.8075","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":"2026-05-18T03:25:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TUT6Pu9149OtVv0nI1/kFSlkHb6U3KLw154/JydDSoGzPo+wu2+hwhpGcEDOqSGKW8aHSiQh1USM+0lsqrM9Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T07:48:46.021880Z"},"content_sha256":"1f96f27c1220dd58752aef60df284d4c3e2d1fff56da83c22589612c806deb6b","schema_version":"1.0","event_id":"sha256:1f96f27c1220dd58752aef60df284d4c3e2d1fff56da83c22589612c806deb6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3YSNPX56G63JK2NJTHE7LMV33/bundle.json","state_url":"https://pith.science/pith/J3YSNPX56G63JK2NJTHE7LMV33/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3YSNPX56G63JK2NJTHE7LMV33/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":"2026-06-20T07:48:46Z","links":{"resolver":"https://pith.science/pith/J3YSNPX56G63JK2NJTHE7LMV33","bundle":"https://pith.science/pith/J3YSNPX56G63JK2NJTHE7LMV33/bundle.json","state":"https://pith.science/pith/J3YSNPX56G63JK2NJTHE7LMV33/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3YSNPX56G63JK2NJTHE7LMV33/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:J3YSNPX56G63JK2NJTHE7LMV33","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":"46f6396446d699ae0a34c896ca8d3994188eb09d326148bc2001da5aab321c55","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-10-30T16:37:19Z","title_canon_sha256":"3b5fa2ac306f8ac7e47e546f152eb484c6ad4135fec78c74b837528a8fea6287"},"schema_version":"1.0","source":{"id":"1210.8075","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.8075","created_at":"2026-05-18T03:25:25Z"},{"alias_kind":"arxiv_version","alias_value":"1210.8075v1","created_at":"2026-05-18T03:25:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.8075","created_at":"2026-05-18T03:25:25Z"},{"alias_kind":"pith_short_12","alias_value":"J3YSNPX56G63","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"J3YSNPX56G63JK2N","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"J3YSNPX5","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:1f96f27c1220dd58752aef60df284d4c3e2d1fff56da83c22589612c806deb6b","target":"graph","created_at":"2026-05-18T03:25:25Z","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":"Self-sustained oscillators are ubiquitous and essential for metrology, communications, time reference, and geolocation. In its most basic form an oscillator consists of a resonator driven on-resonance, through feedback, to create a periodic signal sustained by a static energy source. The generation of a stable frequency, the basic function of oscillators, is typically achieved by increasing the amplitude of motion of the resonator while remaining within its linear, harmonic, regime. Contrary to this conventional paradigm, in this Letter we show that by operating the oscillator at special point","authors_text":"E. Kenig, L.G. Villanueva, M.C. Cross, M.H. Matheny, M.L. Roukes, R.B. Karabalin, R. Lifshitz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-10-30T16:37:19Z","title":"Surpassing fundamental limits of oscillators using nonlinear resonators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.8075","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:ca24929c09ef2f82207ccc008414d54b544171a9d17c6e9cbb00cc43e71832da","target":"record","created_at":"2026-05-18T03:25:25Z","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":"46f6396446d699ae0a34c896ca8d3994188eb09d326148bc2001da5aab321c55","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-10-30T16:37:19Z","title_canon_sha256":"3b5fa2ac306f8ac7e47e546f152eb484c6ad4135fec78c74b837528a8fea6287"},"schema_version":"1.0","source":{"id":"1210.8075","kind":"arxiv","version":1}},"canonical_sha256":"4ef126befdf1bdb4ab4d4cce4fad95def6c9e9fcfba2056863fdf8c2d56a6f98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ef126befdf1bdb4ab4d4cce4fad95def6c9e9fcfba2056863fdf8c2d56a6f98","first_computed_at":"2026-05-18T03:25:25.489790Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:25:25.489790Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mpQoHR86T5c6yYAD1osihb1y//AbQ+iK9vjPuldvu5wS6Fk1GabqLaAy09aLzTs3fOMOBfSd2g9Pb1okTsNSBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:25:25.490388Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.8075","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca24929c09ef2f82207ccc008414d54b544171a9d17c6e9cbb00cc43e71832da","sha256:1f96f27c1220dd58752aef60df284d4c3e2d1fff56da83c22589612c806deb6b"],"state_sha256":"d0413f26dcf3583a06c04e7fbb9963d2392f700f00571891bdbb76a711a24ee0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F1u2A3p3gj4oTWCi+2kNBNLSflJlx8su23UQ73ZC5J2lCZDW5XmwuG2eIkJTnth/mVrgw/17vZg8+A3+xCNiDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T07:48:46.023841Z","bundle_sha256":"106fa3a0f952ce4500b0eda79b361e4745b450c110ff49b093dafbed64b8f33c"}}