{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:LQURSJERTJ5RQSLAMGI56R3VZZ","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":"b9d7e866e8a40836b89cdaa7d26e80049f013148c8cc8ece8d563aa3b50a641a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-06T09:52:22Z","title_canon_sha256":"f51ecb0e0f38fce13f62a9c556d6db233768190feaf19053a0b32c2dc7e8914e"},"schema_version":"1.0","source":{"id":"1510.01502","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.01502","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"1510.01502v1","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.01502","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"LQURSJERTJ5R","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LQURSJERTJ5RQSLA","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LQURSJER","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:d112558cbacf84499375826eb825fd9f3bf0be6f2c8a1e96b4ffc4af0af8ccd4","target":"graph","created_at":"2026-05-18T01:23:44Z","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 report ultra-low phase-noise microwave generation at a 9.6 GHz carrier frequency from optical frequency combs based on diode-pumped solid-state lasers emitting at telecom wavelength and referenced to a common cavity-stabilized continuous-wave laser. Using a novel fibered polarization-maintaining pulse interleaver, a single-oscillator phase-noise floor of -171 dBc/Hz has been measured with commercial PIN InGaAs photodiodes, constituting a record for this type of detector. Also, a direct optical measurement of the stabilized frequency combs timing jitter was performed using a balanced optical","authors_text":"Erwin Portuondo-Campa, Gilles Buchs, Laurent Balet, Stefan Kundermann, Steve Lecomte","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-06T09:52:22Z","title":"Ultra-low phase-noise microwave generation using a diode-pumped solid-state laser based frequency comb and a polarization-maintaining pulse interleaver"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.01502","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:b71599079540e114dee534b2e1dea12e155c993fcc848fe28370d34500ab9127","target":"record","created_at":"2026-05-18T01:23:44Z","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":"b9d7e866e8a40836b89cdaa7d26e80049f013148c8cc8ece8d563aa3b50a641a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-10-06T09:52:22Z","title_canon_sha256":"f51ecb0e0f38fce13f62a9c556d6db233768190feaf19053a0b32c2dc7e8914e"},"schema_version":"1.0","source":{"id":"1510.01502","kind":"arxiv","version":1}},"canonical_sha256":"5c291924919a7b1849606191df4775ce6d89c1321a381fc80d81087fab84352a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c291924919a7b1849606191df4775ce6d89c1321a381fc80d81087fab84352a","first_computed_at":"2026-05-18T01:23:44.356625Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:44.356625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uEXoOR2QMTKe6KTae5jW3jl56Y7RQXTgl3xH35ClWoZ4zHEXiMePuYxkp/u6mxocToqn5caMSz/xIrRogMccCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:44.357391Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.01502","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b71599079540e114dee534b2e1dea12e155c993fcc848fe28370d34500ab9127","sha256:d112558cbacf84499375826eb825fd9f3bf0be6f2c8a1e96b4ffc4af0af8ccd4"],"state_sha256":"7067a8efb90245a7a6d4689c6034d12475aa6fa0daf69f7e766842817c677a31"}