{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:2YYAYL27BVJ2MFW5YWZ3RIUQH5","short_pith_number":"pith:2YYAYL27","canonical_record":{"source":{"id":"1202.2835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-02-13T20:21:21Z","cross_cats_sorted":[],"title_canon_sha256":"98ca1c9964eaad61ded882ad66e921fdc9b63469b4b34ec98451220f0d79ad4f","abstract_canon_sha256":"7769644c023840842b23744f708b4fd1fef4c396eddaf28d5cbc718871a66e48"},"schema_version":"1.0"},"canonical_sha256":"d6300c2f5f0d53a616ddc5b3b8a2903f65977b6d2339a91bb823eb5014ea78be","source":{"kind":"arxiv","id":"1202.2835","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2835","created_at":"2026-05-18T01:58:29Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2835v1","created_at":"2026-05-18T01:58:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2835","created_at":"2026-05-18T01:58:29Z"},{"alias_kind":"pith_short_12","alias_value":"2YYAYL27BVJ2","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2YYAYL27BVJ2MFW5","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2YYAYL27","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:2YYAYL27BVJ2MFW5YWZ3RIUQH5","target":"record","payload":{"canonical_record":{"source":{"id":"1202.2835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-02-13T20:21:21Z","cross_cats_sorted":[],"title_canon_sha256":"98ca1c9964eaad61ded882ad66e921fdc9b63469b4b34ec98451220f0d79ad4f","abstract_canon_sha256":"7769644c023840842b23744f708b4fd1fef4c396eddaf28d5cbc718871a66e48"},"schema_version":"1.0"},"canonical_sha256":"d6300c2f5f0d53a616ddc5b3b8a2903f65977b6d2339a91bb823eb5014ea78be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:29.068705Z","signature_b64":"XylwAm62StXOlu37yxkd8WLRPpSITUsXq3pmPZmxLHrWd92+WRqHdXDIRARmfvlSLwgztyeHPTj91MhjCvLTBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6300c2f5f0d53a616ddc5b3b8a2903f65977b6d2339a91bb823eb5014ea78be","last_reissued_at":"2026-05-18T01:58:29.068279Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:29.068279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.2835","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":"2026-05-18T01:58:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"27eILxl/47KhmRJreSmHzpENgzJvPcEZJrzaXZ3gQkUFROcAD+z2ckn+L1uuOG7HnGYIZN8qtcEqINJ1I3GICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:45:22.018790Z"},"content_sha256":"1a85341935c890355f7213bc1c69d7f6137335e3dac8bbccf35fbeca6ad47f14","schema_version":"1.0","event_id":"sha256:1a85341935c890355f7213bc1c69d7f6137335e3dac8bbccf35fbeca6ad47f14"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:2YYAYL27BVJ2MFW5YWZ3RIUQH5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimized polar-azimuthal orientations for polarized light illumination of different Superconducting Nanowire Single-Photon Detector designs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Aron Sipos, Faraz Najafi, Karl K. Berggren, Maria Csete","submitted_at":"2012-02-13T20:21:21Z","abstract_excerpt":"The optimal orientations are determined for polarized substrate side illumination of three superconducting nanowire single-photon detector (SNSPD) designs: (1) periodic niobium-nitride (NbN) stripes standing in air with dimensions according to conventional SNSPDs, (2) same NbN patterns below ~quarter-wavelength hydrogensilsesquioxane-filled nano-cavity, (3) analogous NbN patterns in HSQ nano-cavity closed by a thin gold reflector. Numerical computation results have shown that the optical response and near-field distribution vary significantly with polar-angle, fi, and these variations are anal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2835","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":"2026-05-18T01:58:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ki0mBD9MT+cwAUftx8mdKD5rAWRKMhlGS/4MZ/lgmp11+Jbjgxe0DiL26C9jQHheWN5jKdsWasqs7jK4NlckDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:45:22.019557Z"},"content_sha256":"e740ecc135561efec13ba2013168ae25a16d39ed16e796be6f68dc2f279a8e4d","schema_version":"1.0","event_id":"sha256:e740ecc135561efec13ba2013168ae25a16d39ed16e796be6f68dc2f279a8e4d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2YYAYL27BVJ2MFW5YWZ3RIUQH5/bundle.json","state_url":"https://pith.science/pith/2YYAYL27BVJ2MFW5YWZ3RIUQH5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2YYAYL27BVJ2MFW5YWZ3RIUQH5/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":"2026-06-10T01:45:22Z","links":{"resolver":"https://pith.science/pith/2YYAYL27BVJ2MFW5YWZ3RIUQH5","bundle":"https://pith.science/pith/2YYAYL27BVJ2MFW5YWZ3RIUQH5/bundle.json","state":"https://pith.science/pith/2YYAYL27BVJ2MFW5YWZ3RIUQH5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2YYAYL27BVJ2MFW5YWZ3RIUQH5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:2YYAYL27BVJ2MFW5YWZ3RIUQH5","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":"7769644c023840842b23744f708b4fd1fef4c396eddaf28d5cbc718871a66e48","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-02-13T20:21:21Z","title_canon_sha256":"98ca1c9964eaad61ded882ad66e921fdc9b63469b4b34ec98451220f0d79ad4f"},"schema_version":"1.0","source":{"id":"1202.2835","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.2835","created_at":"2026-05-18T01:58:29Z"},{"alias_kind":"arxiv_version","alias_value":"1202.2835v1","created_at":"2026-05-18T01:58:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2835","created_at":"2026-05-18T01:58:29Z"},{"alias_kind":"pith_short_12","alias_value":"2YYAYL27BVJ2","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2YYAYL27BVJ2MFW5","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2YYAYL27","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:e740ecc135561efec13ba2013168ae25a16d39ed16e796be6f68dc2f279a8e4d","target":"graph","created_at":"2026-05-18T01:58:29Z","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":"The optimal orientations are determined for polarized substrate side illumination of three superconducting nanowire single-photon detector (SNSPD) designs: (1) periodic niobium-nitride (NbN) stripes standing in air with dimensions according to conventional SNSPDs, (2) same NbN patterns below ~quarter-wavelength hydrogensilsesquioxane-filled nano-cavity, (3) analogous NbN patterns in HSQ nano-cavity closed by a thin gold reflector. Numerical computation results have shown that the optical response and near-field distribution vary significantly with polar-angle, fi, and these variations are anal","authors_text":"Aron Sipos, Faraz Najafi, Karl K. Berggren, Maria Csete","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-02-13T20:21:21Z","title":"Optimized polar-azimuthal orientations for polarized light illumination of different Superconducting Nanowire Single-Photon Detector designs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2835","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":"sha256:1a85341935c890355f7213bc1c69d7f6137335e3dac8bbccf35fbeca6ad47f14","target":"record","created_at":"2026-05-18T01:58:29Z","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":"7769644c023840842b23744f708b4fd1fef4c396eddaf28d5cbc718871a66e48","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-02-13T20:21:21Z","title_canon_sha256":"98ca1c9964eaad61ded882ad66e921fdc9b63469b4b34ec98451220f0d79ad4f"},"schema_version":"1.0","source":{"id":"1202.2835","kind":"arxiv","version":1}},"canonical_sha256":"d6300c2f5f0d53a616ddc5b3b8a2903f65977b6d2339a91bb823eb5014ea78be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6300c2f5f0d53a616ddc5b3b8a2903f65977b6d2339a91bb823eb5014ea78be","first_computed_at":"2026-05-18T01:58:29.068279Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:29.068279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XylwAm62StXOlu37yxkd8WLRPpSITUsXq3pmPZmxLHrWd92+WRqHdXDIRARmfvlSLwgztyeHPTj91MhjCvLTBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:29.068705Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.2835","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a85341935c890355f7213bc1c69d7f6137335e3dac8bbccf35fbeca6ad47f14","sha256:e740ecc135561efec13ba2013168ae25a16d39ed16e796be6f68dc2f279a8e4d"],"state_sha256":"8072ccf52c8960412a4a1d682c6728058e45c3236b0dc0036629ef90913efd44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LryX/7Jj8FZhxh4z4v6UJpsfGsOnwWJ8QPIan+b08sVHgWh20hispx5oh+6MzeI+N/OoIs2HdzTx7TF3NwnWAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T01:45:22.023831Z","bundle_sha256":"7471bfd49cf4795d1b6bb9b6113191c4dc987b28fbae74c78a5e872b39ed2176"}}