{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:UVUBJ5EZW6EB7ZEL5HTPWB726S","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":"57cd8f1409da0c296ff0459dac10feb34a6103e54cef20bb583fde691913b6ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-03-27T09:44:46Z","title_canon_sha256":"edd6e080809d57e9b2a9b694c7c1c89baf2b28107c63680f855ab858c665290b"},"schema_version":"1.0","source":{"id":"1503.08003","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08003","created_at":"2026-05-18T01:22:57Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08003v2","created_at":"2026-05-18T01:22:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08003","created_at":"2026-05-18T01:22:57Z"},{"alias_kind":"pith_short_12","alias_value":"UVUBJ5EZW6EB","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"UVUBJ5EZW6EB7ZEL","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"UVUBJ5EZ","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:40fca02ab1d8a22290d5ddf4366b9876d1ebbe999dfaee8398a3d20af7e4dd6f","target":"graph","created_at":"2026-05-18T01:22:57Z","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 fabricate a free-standing molybdenum diselenide (MoSe2) saturable absorber by embedding liquid-phase exfoliated few-layer MoSe2 flakes into a polymer film. The MoSe2-polymer composite is used to Q-switch fiber lasers based on ytterbium (Yb), erbium (Er) and thulium (Tm) gain fiber, producing trains of microsecond-duration pulses with kilohertz repetition rates at 1060 nm, 1566 nm and 1924 nm, respectively. Such operating wavelengths correspond to sub-bandgap saturable absorption in MoSe2, which is explained in the context of edge-states, building upon studies of other semiconducting transit","authors_text":"E. J. R. Kelleher, F. Torrisi, G. Hu, R. C. T. Howe, R. I. Woodward, T. Hasan, T. H. Runcorn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-03-27T09:44:46Z","title":"Wideband saturable absorption in few-layer molybdenum diselenide (MoSe2) for Q-switching Yb-, Er- and Tm-doped fiber lasers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08003","kind":"arxiv","version":2},"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":"sha256:65085674e2f777f3e96ac8bf9ea476ac3cd8e9cadd81d0a6ecf9c82e23980daf","target":"record","created_at":"2026-05-18T01:22:57Z","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":"57cd8f1409da0c296ff0459dac10feb34a6103e54cef20bb583fde691913b6ef","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-03-27T09:44:46Z","title_canon_sha256":"edd6e080809d57e9b2a9b694c7c1c89baf2b28107c63680f855ab858c665290b"},"schema_version":"1.0","source":{"id":"1503.08003","kind":"arxiv","version":2}},"canonical_sha256":"a56814f499b7881fe48be9e6fb07faf4809b49aae93795de647599c79fd2a860","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a56814f499b7881fe48be9e6fb07faf4809b49aae93795de647599c79fd2a860","first_computed_at":"2026-05-18T01:22:57.834284Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:57.834284Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xeyBaI1NpMCfe46CFfLllmDWun2+2CCkHlwWYcVGFIpB3i8kDWWurNRTNjRJQzguHyp/LvorPhSmv3AGaTDVCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:57.834834Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.08003","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65085674e2f777f3e96ac8bf9ea476ac3cd8e9cadd81d0a6ecf9c82e23980daf","sha256:40fca02ab1d8a22290d5ddf4366b9876d1ebbe999dfaee8398a3d20af7e4dd6f"],"state_sha256":"eeef8670a3962d15f9a5a0062af8b6c0f8db63c5a1347adb8b9d025fc509571c"}