{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:Q5YPSRXVIEPQ4XXMZAOUVY3CG5","short_pith_number":"pith:Q5YPSRXV","canonical_record":{"source":{"id":"1310.7848","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-29T15:43:34Z","cross_cats_sorted":[],"title_canon_sha256":"775a40dae3082072e660315037e80993a751a786b198e906a3607e70e16d809c","abstract_canon_sha256":"e4cc89212dd37bb0ab05e1ea4e35678af5e17f57f4062e98467790cf6431f42d"},"schema_version":"1.0"},"canonical_sha256":"8770f946f5411f0e5eecc81d4ae3623767e7b3a454a9a3fc556086cdd300c895","source":{"kind":"arxiv","id":"1310.7848","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7848","created_at":"2026-05-18T01:46:47Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7848v1","created_at":"2026-05-18T01:46:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7848","created_at":"2026-05-18T01:46:47Z"},{"alias_kind":"pith_short_12","alias_value":"Q5YPSRXVIEPQ","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"Q5YPSRXVIEPQ4XXM","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"Q5YPSRXV","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:Q5YPSRXVIEPQ4XXMZAOUVY3CG5","target":"record","payload":{"canonical_record":{"source":{"id":"1310.7848","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-29T15:43:34Z","cross_cats_sorted":[],"title_canon_sha256":"775a40dae3082072e660315037e80993a751a786b198e906a3607e70e16d809c","abstract_canon_sha256":"e4cc89212dd37bb0ab05e1ea4e35678af5e17f57f4062e98467790cf6431f42d"},"schema_version":"1.0"},"canonical_sha256":"8770f946f5411f0e5eecc81d4ae3623767e7b3a454a9a3fc556086cdd300c895","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:47.834299Z","signature_b64":"r2rF0ssB0qKA4c8Dm/PxeTkJUBRs73xtwohxjJHMZxFd4s2NdZ1wXKFEx0gtoj1EpF1xKRXFNRAYsWjf74CZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8770f946f5411f0e5eecc81d4ae3623767e7b3a454a9a3fc556086cdd300c895","last_reissued_at":"2026-05-18T01:46:47.833639Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:47.833639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.7848","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":"2026-05-18T01:46:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rCIG2ivlSnjrLg31Y+ySSVgESp27Ua+hJ2PY/hFjHl95Ot+YbfdA/DbiJ0DOM3delgGrQBOsRs8nI+vxvrPvDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:45:15.802390Z"},"content_sha256":"426a5f8112a10f3e2b0e5f172ba62a4d41233db2c92452c9c2f9019f27a58bc0","schema_version":"1.0","event_id":"sha256:426a5f8112a10f3e2b0e5f172ba62a4d41233db2c92452c9c2f9019f27a58bc0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:Q5YPSRXVIEPQ4XXMZAOUVY3CG5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Waveguide-Coupled Photonic Crystal Cavity for Quantum Dot Spin Readout","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A.M. Fox, B. Royall, I.J. Luxmoore, M.S. Skolnick, N. Prtljaga, R.J. Coles","submitted_at":"2013-10-29T15:43:34Z","abstract_excerpt":"We present a waveguide-coupled photonic crystal H1 cavity structure in which the orthogonal dipole modes couple to spatially separated photonic crystal waveguides. Coupling of each cavity mode to its respective waveguide with equal efficiency is achieved by adjusting the position and orientation of the waveguides. The behavior of the optimized device is experimentally verified for where the cavity mode splitting is larger and smaller than the cavity mode linewidth. In both cases, coupled Q-factors up to 1600 and contrast ratios up to 10 are achieved. This design may allow for spin state readou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7848","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":"2026-05-18T01:46:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GtMDu8X1H5gQFUnPWNExsoS4Bi5PhK4a0t3v6mt3SpP/3K3e+JOYEHzsGO4lpeYpfPy7UmQ8rOrxyyRBQGzbDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:45:15.802747Z"},"content_sha256":"1769af1d4b9977f5c40d0efcef21f769b5b2b7f7934eddc7dc88e8c031e4912f","schema_version":"1.0","event_id":"sha256:1769af1d4b9977f5c40d0efcef21f769b5b2b7f7934eddc7dc88e8c031e4912f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q5YPSRXVIEPQ4XXMZAOUVY3CG5/bundle.json","state_url":"https://pith.science/pith/Q5YPSRXVIEPQ4XXMZAOUVY3CG5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q5YPSRXVIEPQ4XXMZAOUVY3CG5/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":"2026-06-02T14:45:15Z","links":{"resolver":"https://pith.science/pith/Q5YPSRXVIEPQ4XXMZAOUVY3CG5","bundle":"https://pith.science/pith/Q5YPSRXVIEPQ4XXMZAOUVY3CG5/bundle.json","state":"https://pith.science/pith/Q5YPSRXVIEPQ4XXMZAOUVY3CG5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q5YPSRXVIEPQ4XXMZAOUVY3CG5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:Q5YPSRXVIEPQ4XXMZAOUVY3CG5","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":"e4cc89212dd37bb0ab05e1ea4e35678af5e17f57f4062e98467790cf6431f42d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-29T15:43:34Z","title_canon_sha256":"775a40dae3082072e660315037e80993a751a786b198e906a3607e70e16d809c"},"schema_version":"1.0","source":{"id":"1310.7848","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7848","created_at":"2026-05-18T01:46:47Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7848v1","created_at":"2026-05-18T01:46:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7848","created_at":"2026-05-18T01:46:47Z"},{"alias_kind":"pith_short_12","alias_value":"Q5YPSRXVIEPQ","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"Q5YPSRXVIEPQ4XXM","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"Q5YPSRXV","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:1769af1d4b9977f5c40d0efcef21f769b5b2b7f7934eddc7dc88e8c031e4912f","target":"graph","created_at":"2026-05-18T01:46:47Z","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 present a waveguide-coupled photonic crystal H1 cavity structure in which the orthogonal dipole modes couple to spatially separated photonic crystal waveguides. Coupling of each cavity mode to its respective waveguide with equal efficiency is achieved by adjusting the position and orientation of the waveguides. The behavior of the optimized device is experimentally verified for where the cavity mode splitting is larger and smaller than the cavity mode linewidth. In both cases, coupled Q-factors up to 1600 and contrast ratios up to 10 are achieved. This design may allow for spin state readou","authors_text":"A.M. Fox, B. Royall, I.J. Luxmoore, M.S. Skolnick, N. Prtljaga, R.J. Coles","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-29T15:43:34Z","title":"Waveguide-Coupled Photonic Crystal Cavity for Quantum Dot Spin Readout"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7848","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":"sha256:426a5f8112a10f3e2b0e5f172ba62a4d41233db2c92452c9c2f9019f27a58bc0","target":"record","created_at":"2026-05-18T01:46:47Z","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":"e4cc89212dd37bb0ab05e1ea4e35678af5e17f57f4062e98467790cf6431f42d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-10-29T15:43:34Z","title_canon_sha256":"775a40dae3082072e660315037e80993a751a786b198e906a3607e70e16d809c"},"schema_version":"1.0","source":{"id":"1310.7848","kind":"arxiv","version":1}},"canonical_sha256":"8770f946f5411f0e5eecc81d4ae3623767e7b3a454a9a3fc556086cdd300c895","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8770f946f5411f0e5eecc81d4ae3623767e7b3a454a9a3fc556086cdd300c895","first_computed_at":"2026-05-18T01:46:47.833639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:47.833639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r2rF0ssB0qKA4c8Dm/PxeTkJUBRs73xtwohxjJHMZxFd4s2NdZ1wXKFEx0gtoj1EpF1xKRXFNRAYsWjf74CZBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:47.834299Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.7848","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:426a5f8112a10f3e2b0e5f172ba62a4d41233db2c92452c9c2f9019f27a58bc0","sha256:1769af1d4b9977f5c40d0efcef21f769b5b2b7f7934eddc7dc88e8c031e4912f"],"state_sha256":"857c44e39820a6f7e9b63f947f8a7f6ca5260721375393dc16c3618edc50cded"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0FWNtKWbUKnCnMt6/1COLEEN87Hlbzvwg/7BSe2QZwBH6tzRMg/zf8ccuFmB0ix5u1kWZO6Q+ku97qcoB4O+DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T14:45:15.804835Z","bundle_sha256":"540d1766f5f7360c9f19c8b15fe4b298611ebde67f7466ed69bfa96492a1b679"}}