{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:OUYEPS2FKEWJWUNE5V76N4Q3O5","short_pith_number":"pith:OUYEPS2F","canonical_record":{"source":{"id":"1110.3625","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-17T10:20:49Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"a7d9d2c90154eb520d2fd2550fca4411806361da72a2a403cef11ab91a854658","abstract_canon_sha256":"548ecd7babccb5b220a956db835ff0f2c7ceadad06a12b86ba3ff7c6fc30e4b6"},"schema_version":"1.0"},"canonical_sha256":"753047cb45512c9b51a4ed7fe6f21b775307d9e5b42dd5753fcb6360ca592051","source":{"kind":"arxiv","id":"1110.3625","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.3625","created_at":"2026-05-18T02:00:11Z"},{"alias_kind":"arxiv_version","alias_value":"1110.3625v1","created_at":"2026-05-18T02:00:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.3625","created_at":"2026-05-18T02:00:11Z"},{"alias_kind":"pith_short_12","alias_value":"OUYEPS2FKEWJ","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OUYEPS2FKEWJWUNE","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OUYEPS2F","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:OUYEPS2FKEWJWUNE5V76N4Q3O5","target":"record","payload":{"canonical_record":{"source":{"id":"1110.3625","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-17T10:20:49Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"a7d9d2c90154eb520d2fd2550fca4411806361da72a2a403cef11ab91a854658","abstract_canon_sha256":"548ecd7babccb5b220a956db835ff0f2c7ceadad06a12b86ba3ff7c6fc30e4b6"},"schema_version":"1.0"},"canonical_sha256":"753047cb45512c9b51a4ed7fe6f21b775307d9e5b42dd5753fcb6360ca592051","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:11.643144Z","signature_b64":"XWtLj9fTV1PAiWH0zKCTgVByXGmVd4i4GWx4VfxvhRvRjQFzUdMZacwuVRY2lWJQNycWQDiI4ejB4oBjDaClDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"753047cb45512c9b51a4ed7fe6f21b775307d9e5b42dd5753fcb6360ca592051","last_reissued_at":"2026-05-18T02:00:11.642580Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:11.642580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.3625","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:00:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DeTrhpVah/sGa0GopfCcKQVrY6H0gX9GVW8730VJrKuEoWWy4IeZppXEMjcYIhDTrtRVMyIoVySAIKb0M1+zBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:54:10.655875Z"},"content_sha256":"9aa4dfc2b0066ba2fec5f26dde34565396096a30827c93c041a0bc3860c5b76c","schema_version":"1.0","event_id":"sha256:9aa4dfc2b0066ba2fec5f26dde34565396096a30827c93c041a0bc3860c5b76c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:OUYEPS2FKEWJWUNE5V76N4Q3O5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-reflectivity, high-Q micromechanical membranes via guided resonances for enhanced optomechanical coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.optics","authors_text":"Catvu H. Bui, Chee Wei Wong, J. G. E. Harris, Jiangjun Zheng, Lennon Y. T. Lee, S. W. Hoch","submitted_at":"2011-10-17T10:20:49Z","abstract_excerpt":"Using Fano-type guided resonances (GRs) in photonic crystal (PhC) slab structures, we numerically and experimentally demonstrate optical reflectivity enhancement of high-Q SiNx membrane-type resonators used in membrane-in-the-middle optomechanical (OM) systems. Normal-incidence transmission and mechanical ringdown measurements of 50-nm-thick PhC membranes demonstrate GRs near 1064 nm, leading to a ~ 4\\times increase in reflectivity while preserving high mechanical Q factors of up to ~ 5 \\times 10^6. The results would allow improvement of membrane-in-the-middle OM systems by virtue of increased"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.3625","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:00:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Oa5qi5C7szMPnUuU20jK/7mxlGUAtgiIuOCZ49yN8p300qLjNklVdW4dAdJ0ICDNLDo6ySwaPnBklrLN/F57Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:54:10.656233Z"},"content_sha256":"a6153755a867b9bdac21e05161a3400f4a16314e480cb181a3e58d21ed84cb18","schema_version":"1.0","event_id":"sha256:a6153755a867b9bdac21e05161a3400f4a16314e480cb181a3e58d21ed84cb18"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OUYEPS2FKEWJWUNE5V76N4Q3O5/bundle.json","state_url":"https://pith.science/pith/OUYEPS2FKEWJWUNE5V76N4Q3O5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OUYEPS2FKEWJWUNE5V76N4Q3O5/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-31T01:54:10Z","links":{"resolver":"https://pith.science/pith/OUYEPS2FKEWJWUNE5V76N4Q3O5","bundle":"https://pith.science/pith/OUYEPS2FKEWJWUNE5V76N4Q3O5/bundle.json","state":"https://pith.science/pith/OUYEPS2FKEWJWUNE5V76N4Q3O5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OUYEPS2FKEWJWUNE5V76N4Q3O5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:OUYEPS2FKEWJWUNE5V76N4Q3O5","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":"548ecd7babccb5b220a956db835ff0f2c7ceadad06a12b86ba3ff7c6fc30e4b6","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-17T10:20:49Z","title_canon_sha256":"a7d9d2c90154eb520d2fd2550fca4411806361da72a2a403cef11ab91a854658"},"schema_version":"1.0","source":{"id":"1110.3625","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.3625","created_at":"2026-05-18T02:00:11Z"},{"alias_kind":"arxiv_version","alias_value":"1110.3625v1","created_at":"2026-05-18T02:00:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.3625","created_at":"2026-05-18T02:00:11Z"},{"alias_kind":"pith_short_12","alias_value":"OUYEPS2FKEWJ","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OUYEPS2FKEWJWUNE","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OUYEPS2F","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:a6153755a867b9bdac21e05161a3400f4a16314e480cb181a3e58d21ed84cb18","target":"graph","created_at":"2026-05-18T02:00:11Z","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":"Using Fano-type guided resonances (GRs) in photonic crystal (PhC) slab structures, we numerically and experimentally demonstrate optical reflectivity enhancement of high-Q SiNx membrane-type resonators used in membrane-in-the-middle optomechanical (OM) systems. Normal-incidence transmission and mechanical ringdown measurements of 50-nm-thick PhC membranes demonstrate GRs near 1064 nm, leading to a ~ 4\\times increase in reflectivity while preserving high mechanical Q factors of up to ~ 5 \\times 10^6. The results would allow improvement of membrane-in-the-middle OM systems by virtue of increased","authors_text":"Catvu H. Bui, Chee Wei Wong, J. G. E. Harris, Jiangjun Zheng, Lennon Y. T. Lee, S. W. Hoch","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-17T10:20:49Z","title":"High-reflectivity, high-Q micromechanical membranes via guided resonances for enhanced optomechanical coupling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.3625","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":"sha256:9aa4dfc2b0066ba2fec5f26dde34565396096a30827c93c041a0bc3860c5b76c","target":"record","created_at":"2026-05-18T02:00:11Z","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":"548ecd7babccb5b220a956db835ff0f2c7ceadad06a12b86ba3ff7c6fc30e4b6","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-17T10:20:49Z","title_canon_sha256":"a7d9d2c90154eb520d2fd2550fca4411806361da72a2a403cef11ab91a854658"},"schema_version":"1.0","source":{"id":"1110.3625","kind":"arxiv","version":1}},"canonical_sha256":"753047cb45512c9b51a4ed7fe6f21b775307d9e5b42dd5753fcb6360ca592051","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"753047cb45512c9b51a4ed7fe6f21b775307d9e5b42dd5753fcb6360ca592051","first_computed_at":"2026-05-18T02:00:11.642580Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:11.642580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XWtLj9fTV1PAiWH0zKCTgVByXGmVd4i4GWx4VfxvhRvRjQFzUdMZacwuVRY2lWJQNycWQDiI4ejB4oBjDaClDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:11.643144Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.3625","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9aa4dfc2b0066ba2fec5f26dde34565396096a30827c93c041a0bc3860c5b76c","sha256:a6153755a867b9bdac21e05161a3400f4a16314e480cb181a3e58d21ed84cb18"],"state_sha256":"fca5a11026c13d149f382d8d6b72f0fcd9a4e6ae094c335666c8e27cc7dffe6e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qJiNfl3D7uWT4DaLq8wVCP4PoRDlAhPxWmXKEF4PB4L4kBc4BgyKBv13YtklW8+Xp6hJtaz5bBkvIzDlM7vXDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:54:10.658901Z","bundle_sha256":"80384ed2e348bb2fd27b76c81f7f95478740f1c525a2088b47d46052448939af"}}