{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:T7WSUCSKBLFVJX2J5SN5HILDRS","short_pith_number":"pith:T7WSUCSK","canonical_record":{"source":{"id":"1409.4209","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-15T11:07:29Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"abd647d0730573a97bf603e08354a7876768ea42c5f265eab72e47352ba2b129","abstract_canon_sha256":"fcfc04afa12666f428092a2fdc8c4ea09146d567814cd6e9a3dd864b2551f164"},"schema_version":"1.0"},"canonical_sha256":"9fed2a0a4a0acb54df49ec9bd3a1638c913bac0c89632d50fd2098bc06e10f7e","source":{"kind":"arxiv","id":"1409.4209","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.4209","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"arxiv_version","alias_value":"1409.4209v4","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4209","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"pith_short_12","alias_value":"T7WSUCSKBLFV","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"T7WSUCSKBLFVJX2J","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"T7WSUCSK","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:T7WSUCSKBLFVJX2J5SN5HILDRS","target":"record","payload":{"canonical_record":{"source":{"id":"1409.4209","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-15T11:07:29Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"abd647d0730573a97bf603e08354a7876768ea42c5f265eab72e47352ba2b129","abstract_canon_sha256":"fcfc04afa12666f428092a2fdc8c4ea09146d567814cd6e9a3dd864b2551f164"},"schema_version":"1.0"},"canonical_sha256":"9fed2a0a4a0acb54df49ec9bd3a1638c913bac0c89632d50fd2098bc06e10f7e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:20:39.979776Z","signature_b64":"j7DJ9/cDno3PlMTdX3vMPJnJC9fdRKm2TSvwF0UuaDAWcym6QPtU1xa1yctEBKw/lcCdsJKkJwrWHbwM6M9pBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9fed2a0a4a0acb54df49ec9bd3a1638c913bac0c89632d50fd2098bc06e10f7e","last_reissued_at":"2026-05-18T02:20:39.979083Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:20:39.979083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.4209","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:20:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1GkZpb4hbbn/UUg3PPl/pKBHDcBJsHy1RrC/aCwPlADsqIit0gbcQmFURADgY36BQ1yMQEk6l+GSSr9LXH15AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:51:58.317165Z"},"content_sha256":"eefc9fb9136a2d53ab8fd19593987a001c2381ddb8e441c1f20970269714018e","schema_version":"1.0","event_id":"sha256:eefc9fb9136a2d53ab8fd19593987a001c2381ddb8e441c1f20970269714018e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:T7WSUCSKBLFVJX2J5SN5HILDRS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Investigation of defect cavities formed in three-dimensional woodpile photonic crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"J. G. Rarity, Mike P. C. Taverne, Y.-L. D. Ho","submitted_at":"2014-09-15T11:07:29Z","abstract_excerpt":"We report the optimisation of optical properties of single defects in three-dimensional (3D) face-centred-cubic (FCC) woodpile photonic crystal (PC) cavities by using plane-wave expansion (PWE) and finite-difference time-domain (FDTD) methods. By optimising the dimensions of a 3D woodpile PC, wide photonic band gaps (PBG) are created. Optical cavities with resonances in the bandgap arise when point defects are introduced in the crystal. Three types of single defects are investigated in high refractive index contrast (Gallium Phosphide-Air) woodpile structures and Q-factors and mode volumes ($V"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4209","kind":"arxiv","version":4},"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":"2026-05-18T02:20:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1N/xJ4u2P7mCqGdCxmjvTnaMUW42itgpp5Yt6+i4hqXAiYuA/7zz5bobKk+4SMqEjPq3PXQEpN21+f81w2/ICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:51:58.317547Z"},"content_sha256":"e19c8e64d878791d36b51a5807c4d01d146a6fac95f23b36b05e46a628bc96c3","schema_version":"1.0","event_id":"sha256:e19c8e64d878791d36b51a5807c4d01d146a6fac95f23b36b05e46a628bc96c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T7WSUCSKBLFVJX2J5SN5HILDRS/bundle.json","state_url":"https://pith.science/pith/T7WSUCSKBLFVJX2J5SN5HILDRS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T7WSUCSKBLFVJX2J5SN5HILDRS/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":"2026-05-31T19:51:58Z","links":{"resolver":"https://pith.science/pith/T7WSUCSKBLFVJX2J5SN5HILDRS","bundle":"https://pith.science/pith/T7WSUCSKBLFVJX2J5SN5HILDRS/bundle.json","state":"https://pith.science/pith/T7WSUCSKBLFVJX2J5SN5HILDRS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T7WSUCSKBLFVJX2J5SN5HILDRS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:T7WSUCSKBLFVJX2J5SN5HILDRS","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":"fcfc04afa12666f428092a2fdc8c4ea09146d567814cd6e9a3dd864b2551f164","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-15T11:07:29Z","title_canon_sha256":"abd647d0730573a97bf603e08354a7876768ea42c5f265eab72e47352ba2b129"},"schema_version":"1.0","source":{"id":"1409.4209","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.4209","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"arxiv_version","alias_value":"1409.4209v4","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4209","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"pith_short_12","alias_value":"T7WSUCSKBLFV","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"T7WSUCSKBLFVJX2J","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"T7WSUCSK","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:e19c8e64d878791d36b51a5807c4d01d146a6fac95f23b36b05e46a628bc96c3","target":"graph","created_at":"2026-05-18T02:20:39Z","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 optimisation of optical properties of single defects in three-dimensional (3D) face-centred-cubic (FCC) woodpile photonic crystal (PC) cavities by using plane-wave expansion (PWE) and finite-difference time-domain (FDTD) methods. By optimising the dimensions of a 3D woodpile PC, wide photonic band gaps (PBG) are created. Optical cavities with resonances in the bandgap arise when point defects are introduced in the crystal. Three types of single defects are investigated in high refractive index contrast (Gallium Phosphide-Air) woodpile structures and Q-factors and mode volumes ($V","authors_text":"J. G. Rarity, Mike P. C. Taverne, Y.-L. D. Ho","cross_cats":["cond-mat.mes-hall","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-15T11:07:29Z","title":"Investigation of defect cavities formed in three-dimensional woodpile photonic crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4209","kind":"arxiv","version":4},"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:eefc9fb9136a2d53ab8fd19593987a001c2381ddb8e441c1f20970269714018e","target":"record","created_at":"2026-05-18T02:20:39Z","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":"fcfc04afa12666f428092a2fdc8c4ea09146d567814cd6e9a3dd864b2551f164","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-15T11:07:29Z","title_canon_sha256":"abd647d0730573a97bf603e08354a7876768ea42c5f265eab72e47352ba2b129"},"schema_version":"1.0","source":{"id":"1409.4209","kind":"arxiv","version":4}},"canonical_sha256":"9fed2a0a4a0acb54df49ec9bd3a1638c913bac0c89632d50fd2098bc06e10f7e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9fed2a0a4a0acb54df49ec9bd3a1638c913bac0c89632d50fd2098bc06e10f7e","first_computed_at":"2026-05-18T02:20:39.979083Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:20:39.979083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j7DJ9/cDno3PlMTdX3vMPJnJC9fdRKm2TSvwF0UuaDAWcym6QPtU1xa1yctEBKw/lcCdsJKkJwrWHbwM6M9pBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:20:39.979776Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.4209","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eefc9fb9136a2d53ab8fd19593987a001c2381ddb8e441c1f20970269714018e","sha256:e19c8e64d878791d36b51a5807c4d01d146a6fac95f23b36b05e46a628bc96c3"],"state_sha256":"43087ca06c78f5709f3f65f9bb0d2b2388f7b8c478ba238999523926fedced54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ONvqZlEuwNkCd5plrXg5Pp2QQGpBmbxMuD6hG6KhKw3yFiSKhpBkSgnndOnmPqy9CQm5DkfiTvzphodvkGpFBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T19:51:58.320086Z","bundle_sha256":"6a30b6dd22cda14166d5c87561574e8cab7e29a024c2ff7921ea179480a146b9"}}