{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ABFYLINPFEJGYZW4KEIH6FYJBJ","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":"dd3b4fe847e08bfbbbfedef86931df2cf805e2bb0bb929533df5795466b5034a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-06-30T18:50:29Z","title_canon_sha256":"d6d3b8e505286e754d28646f9fa6c6e27463929af56693fed40ffc4fa7a4f5db"},"schema_version":"1.0","source":{"id":"1606.09613","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.09613","created_at":"2026-05-18T01:04:18Z"},{"alias_kind":"arxiv_version","alias_value":"1606.09613v1","created_at":"2026-05-18T01:04:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.09613","created_at":"2026-05-18T01:04:18Z"},{"alias_kind":"pith_short_12","alias_value":"ABFYLINPFEJG","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"ABFYLINPFEJGYZW4","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"ABFYLINP","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:231973540c68f54ad8339ec78a2365f4b01cd4c82d3526190ee850092b29df26","target":"graph","created_at":"2026-05-18T01:04:18Z","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 a femtosecond optical parametric oscillator (OPO) based on the new semiconductor gain material orientation patterned gallium phosphide (OP-GaP), which enables the production of high-repetition-rate femtosecond pulses spanning 5-12 \\mu m with average powers in the few to tens of milliwatts range. This is the first example of a broadband OPO operating across the molecular fingerprint region, and we demonstrate its potential by conducting broadband Fourier-transform spectroscopy using water vapor and a polystyrene reference standard.","authors_text":"Derryck T. Reid, Luke Maidment, Peter G. Schunemann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-06-30T18:50:29Z","title":"Molecular fingerprint-region spectroscopy from 5-12 \\mu m using an orientation-patterned gallium phosphide optical parametric oscillator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.09613","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":"sha256:581efe24ec7a0304cd0b52d4b8503c74dc74c5c2d266f133966a6dc2f9757faa","target":"record","created_at":"2026-05-18T01:04:18Z","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":"dd3b4fe847e08bfbbbfedef86931df2cf805e2bb0bb929533df5795466b5034a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-06-30T18:50:29Z","title_canon_sha256":"d6d3b8e505286e754d28646f9fa6c6e27463929af56693fed40ffc4fa7a4f5db"},"schema_version":"1.0","source":{"id":"1606.09613","kind":"arxiv","version":1}},"canonical_sha256":"004b85a1af29126c66dc51107f17090a41bdd53ea80fcb046216851c93e6ab23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"004b85a1af29126c66dc51107f17090a41bdd53ea80fcb046216851c93e6ab23","first_computed_at":"2026-05-18T01:04:18.373476Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:18.373476Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RQIsgHJ83bTlv5ZZEinxNpg9Qqpi9dYk/vQtflyVaxGspg5UVlGs88uqKSXzsUzCrkuGkdfrEf5wR8NxM4BHBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:18.373937Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.09613","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:581efe24ec7a0304cd0b52d4b8503c74dc74c5c2d266f133966a6dc2f9757faa","sha256:231973540c68f54ad8339ec78a2365f4b01cd4c82d3526190ee850092b29df26"],"state_sha256":"6b10b542ca18bbe610094c642d5be1b457784d2384e2fe6e7023d6020cefd815"}