{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:3YUYGNUVCAHKSAVVR55FNNTPYB","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":"3b486fdcc33a5c23a0c9167bb748fcd4dff726df8e3b856b29f31138b3534663","cross_cats_sorted":["gr-qc","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-12-13T00:43:25Z","title_canon_sha256":"382cdfdcec657f3d2f10c9dca0883bef4cdb570dc4fa234ce85c251522c0f622"},"schema_version":"1.0","source":{"id":"2212.06298","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.06298","created_at":"2026-07-05T06:36:25Z"},{"alias_kind":"arxiv_version","alias_value":"2212.06298v1","created_at":"2026-07-05T06:36:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.06298","created_at":"2026-07-05T06:36:25Z"},{"alias_kind":"pith_short_12","alias_value":"3YUYGNUVCAHK","created_at":"2026-07-05T06:36:25Z"},{"alias_kind":"pith_short_16","alias_value":"3YUYGNUVCAHKSAVV","created_at":"2026-07-05T06:36:25Z"},{"alias_kind":"pith_short_8","alias_value":"3YUYGNUV","created_at":"2026-07-05T06:36:25Z"}],"graph_snapshots":[{"event_id":"sha256:6509d6d7d33a78a6e3d11c6682fe46e3d991b99155449ed5da2ce229c26df8e3","target":"graph","created_at":"2026-07-05T06:36:25Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2212.06298/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the development of a laser system for performing single-photon atom interferometry on the 698 nm clock transition in ultracold Strontium. We coherently combine the power of two Titanium:Sapphire lasers and demonstrate chirps of 200 MHz in 2.5 ms while phase-locked to an optical reference. Moreover, we demonstrate a novel scheme to deliver 4 W pulsed beams to the atoms via a mode-cleaning optical fiber using active noise cancellation.","authors_text":"Kenneth DeRose, Tejas Deshpande, Tim Kovachy, Yiping Wang","cross_cats":["gr-qc","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-12-13T00:43:25Z","title":"High-power, low-phase-noise, frequency-agile laser system for delivering fiber-noise-cancelled pulses for Strontium clock atom interferometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.06298","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:e97d896b9257b71d3b066350dbb304e340ef00813007257860262fa5adc65745","target":"record","created_at":"2026-07-05T06:36:25Z","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":"3b486fdcc33a5c23a0c9167bb748fcd4dff726df8e3b856b29f31138b3534663","cross_cats_sorted":["gr-qc","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-12-13T00:43:25Z","title_canon_sha256":"382cdfdcec657f3d2f10c9dca0883bef4cdb570dc4fa234ce85c251522c0f622"},"schema_version":"1.0","source":{"id":"2212.06298","kind":"arxiv","version":1}},"canonical_sha256":"de29833695100ea902b58f7a56b66fc059cae792fb3e1c2edb8ba04b0f235adf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de29833695100ea902b58f7a56b66fc059cae792fb3e1c2edb8ba04b0f235adf","first_computed_at":"2026-07-05T06:36:25.820340Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:36:25.820340Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZqnaANk1QV+Ze+GuAP3QR1AH/mEBUZ5cW0GD8xBKoVfC/jChCmeUqrOEL7+c4X82eyv+S+O3w6KPHxwTNFvdCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:36:25.820854Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.06298","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e97d896b9257b71d3b066350dbb304e340ef00813007257860262fa5adc65745","sha256:6509d6d7d33a78a6e3d11c6682fe46e3d991b99155449ed5da2ce229c26df8e3"],"state_sha256":"969bd800ecbd1e8d521c84c11d6afd545832ba03601bb859c88a9930a9309c1f"}