{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:AJ4DEEP2I3JMPIWBOHDUD5IAOX","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":"a5be3807eaf5c17ca0d6957e85e315095791ee39347deb4e833edec58380b609","cross_cats_sorted":["physics.chem-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-09-20T15:11:19Z","title_canon_sha256":"1499e0cfad4a4937a6ffe3a5d399f1ced1e1dbe878dc6f72d0e1bfe6f726fd04"},"schema_version":"1.0","source":{"id":"1609.06211","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.06211","created_at":"2026-05-18T00:54:19Z"},{"alias_kind":"arxiv_version","alias_value":"1609.06211v1","created_at":"2026-05-18T00:54:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.06211","created_at":"2026-05-18T00:54:19Z"},{"alias_kind":"pith_short_12","alias_value":"AJ4DEEP2I3JM","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"AJ4DEEP2I3JMPIWB","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"AJ4DEEP2","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:82c8af843336a490eae272cbed38066007ab8c8eb08863534d8dba58594b9440","target":"graph","created_at":"2026-05-18T00:54:19Z","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":"An optical frequency comb generated with an electro-optic phase modulator and a chirped radiofrequency waveform is used to perform saturation and pump-probe spectroscopy on the $D_1$ and $D_2$ transitions of atomic potassium. With a comb tooth spacing of 200 kHz and an optical bandwidth of 2 GHz the hyperfine transitions can be simultaneously observed. Interferograms are recorded in as little as 5 $\\mu$s (a timescale corresponding to the inverse of the comb tooth spacing). Importantly, the sub-Doppler features can be measured as long as the laser carrier frequency lies within the Doppler profi","authors_text":"Adam J. Fleisher, David A. Long, David F. Plusquellic, Joseph T. Hodges","cross_cats":["physics.chem-ph","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-09-20T15:11:19Z","title":"Multiplexed sub-Doppler spectroscopy with an optical frequency comb"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.06211","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":"sha256:4d329f672fb0faadacb286ebf55bb732915b883b78c891ab07d1dc146c91ca3f","target":"record","created_at":"2026-05-18T00:54:19Z","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":"a5be3807eaf5c17ca0d6957e85e315095791ee39347deb4e833edec58380b609","cross_cats_sorted":["physics.chem-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-09-20T15:11:19Z","title_canon_sha256":"1499e0cfad4a4937a6ffe3a5d399f1ced1e1dbe878dc6f72d0e1bfe6f726fd04"},"schema_version":"1.0","source":{"id":"1609.06211","kind":"arxiv","version":1}},"canonical_sha256":"02783211fa46d2c7a2c171c741f50075ef6a4e15a501a66d8e9200574c6cea5b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02783211fa46d2c7a2c171c741f50075ef6a4e15a501a66d8e9200574c6cea5b","first_computed_at":"2026-05-18T00:54:19.491714Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:19.491714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XRPIgeJFuH93rIGbZOY8PNIFOcdexeSRDF4pIUWXK1Nkn+0DqGkhnOifZAA3fGkIgCzWqpyZ+oAG2Q0hhEXYDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:19.492097Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.06211","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d329f672fb0faadacb286ebf55bb732915b883b78c891ab07d1dc146c91ca3f","sha256:82c8af843336a490eae272cbed38066007ab8c8eb08863534d8dba58594b9440"],"state_sha256":"61185a1201dfbbc34341d8705cf5ea728c42898c1a1e75c7d2a17df414ec988a"}