{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VWCKHL6225BIUUJN32AEK4K4H4","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":"b18ea564559b4598c6f9ff5cc414b70b7ca0c11ec3072d0cf8f0ba95a6b80f63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-11T20:14:29Z","title_canon_sha256":"a6aa72e72895075875069453be6bd27a5d0b6b45243293c0362aff2fe7d6c323"},"schema_version":"1.0","source":{"id":"1601.02579","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.02579","created_at":"2026-05-18T01:23:04Z"},{"alias_kind":"arxiv_version","alias_value":"1601.02579v1","created_at":"2026-05-18T01:23:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.02579","created_at":"2026-05-18T01:23:04Z"},{"alias_kind":"pith_short_12","alias_value":"VWCKHL6225BI","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VWCKHL6225BIUUJN","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VWCKHL62","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:7dbb8ca43d4a66afa13f73389e5b2093efba76b76582ecb89292b0c49e58c34f","target":"graph","created_at":"2026-05-18T01:23:04Z","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 the observation of intensity feedback random lasing at 645 nm in Disperse Orange 11 dye-doped PMMA (DO11/PMMA) with dispersed ZrO$_2$ nanoparticles (NPs). The lasing threshold is found to increase with concentration, with the lasing threshold for 0.1 wt\\% being $75.8 \\pm 9.4$ MW/cm$^2$ and the lasing threshold for 0.5 wt\\% being $121.1 \\pm 2.1$ MW/cm$^2$, with the linewidth for both concentrations found to be $\\approx 10$ nm. We also consider the material's photostability and find that it displays fully reversible photodegradation with the photostability and recovery rate being great","authors_text":"Benjamin R. Anderson, Hergen Eilers, Ray Gunawidjaja","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-11T20:14:29Z","title":"Random Lasing and Reversible Photodegradation in Disperse Orange 11 Dye-Doped PMMA with Dispersed ZrO$_2$ Nanoparticles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.02579","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:b79d01e7cd69b99e3c5c64b5dd6a1113bffa6fc7cf79b9e6f59cba8d5b3226ba","target":"record","created_at":"2026-05-18T01:23:04Z","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":"b18ea564559b4598c6f9ff5cc414b70b7ca0c11ec3072d0cf8f0ba95a6b80f63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-11T20:14:29Z","title_canon_sha256":"a6aa72e72895075875069453be6bd27a5d0b6b45243293c0362aff2fe7d6c323"},"schema_version":"1.0","source":{"id":"1601.02579","kind":"arxiv","version":1}},"canonical_sha256":"ad84a3afdad7428a512dde8045715c3f17d1e36bdb63dae252bb7207835e783f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad84a3afdad7428a512dde8045715c3f17d1e36bdb63dae252bb7207835e783f","first_computed_at":"2026-05-18T01:23:04.768895Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:04.768895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lwTDKOXAiuquLv+420Wg9KI8XEEIQfbSniqYetlWAWuxCfq19N1Bc4yL4bQEsrOl1R6LWSngSRwYWvQKpKNpCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:04.769337Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.02579","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b79d01e7cd69b99e3c5c64b5dd6a1113bffa6fc7cf79b9e6f59cba8d5b3226ba","sha256:7dbb8ca43d4a66afa13f73389e5b2093efba76b76582ecb89292b0c49e58c34f"],"state_sha256":"2b211267cd06b76989a32b6d4ad5611ab586f717ad1fbe5f99f7057c6fc9a91b"}