{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:LJ5HURCC72SDJMSBUQMZ4VCFIC","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":"c60ce29756f1bc6624d48c4a2c377d29cdce10b412610b5f5c63b7f9303b78ba","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-03-19T22:30:24Z","title_canon_sha256":"07e4a96d87f1c6427b7563705e1c3ab01bd0597ac2d64dda671a3c6a7a4edb4c"},"schema_version":"1.0","source":{"id":"1303.4781","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.4781","created_at":"2026-05-18T03:06:13Z"},{"alias_kind":"arxiv_version","alias_value":"1303.4781v1","created_at":"2026-05-18T03:06:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.4781","created_at":"2026-05-18T03:06:13Z"},{"alias_kind":"pith_short_12","alias_value":"LJ5HURCC72SD","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LJ5HURCC72SDJMSB","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LJ5HURCC","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:33f77d967c5d5fc9edb14acd6b7c6b6a13ab29f22292c54f7df41dda33a1c310","target":"graph","created_at":"2026-05-18T03:06:13Z","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 design, fabrication, and optical absorption measurement of silicon membranes patterned with partially aperiodic nanohole structures. We demonstrate excellent agreement between measurement and simulations. We optimize a partially aperiodic structure using a random walk algorithm and demonstrate an experimental broadband absorption of 4.9 times that of a periodic array.","authors_text":"Chenxi Lin, Luis Javier Mart\\'inez, Michelle L. Povinelli","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-03-19T22:30:24Z","title":"Experimental demonstration of broadband absorption enhancement in partially aperiodic silicon nanohole structures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.4781","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":"sha256:9dd64794637faf85640f9f28990f7105eae8f5949b4f686fe05b031daa32c03c","target":"record","created_at":"2026-05-18T03:06:13Z","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":"c60ce29756f1bc6624d48c4a2c377d29cdce10b412610b5f5c63b7f9303b78ba","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-03-19T22:30:24Z","title_canon_sha256":"07e4a96d87f1c6427b7563705e1c3ab01bd0597ac2d64dda671a3c6a7a4edb4c"},"schema_version":"1.0","source":{"id":"1303.4781","kind":"arxiv","version":1}},"canonical_sha256":"5a7a7a4442fea434b241a4199e5445409bbf340362ab6f959e3a8af63f2b9c0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a7a7a4442fea434b241a4199e5445409bbf340362ab6f959e3a8af63f2b9c0b","first_computed_at":"2026-05-18T03:06:13.473634Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:06:13.473634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rSKlr4/wZzm3Qv8GoYuqFLw/cGF9jMybeme3pERtmTveItOIyhVrMojN5Zsbhpymya7YH9TxeD1GcwJRR0k0DA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:06:13.474083Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.4781","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9dd64794637faf85640f9f28990f7105eae8f5949b4f686fe05b031daa32c03c","sha256:33f77d967c5d5fc9edb14acd6b7c6b6a13ab29f22292c54f7df41dda33a1c310"],"state_sha256":"7c8079699cd2b5d780322ca525a045ccb1b864b5aceac48620e312f29e394abb"}