{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:M36P6S6YX2DRHRCNQLLPU3RGSA","short_pith_number":"pith:M36P6S6Y","canonical_record":{"source":{"id":"1205.4290","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-19T03:34:24Z","cross_cats_sorted":[],"title_canon_sha256":"6c9868f5ec0a327b2285c7212873db992d9eb3ae00b044ca93bba6ce1daf88ec","abstract_canon_sha256":"d6bedaf17c05baea092303d3afdb96af0b23cccecb66b2a8a8ec294943d96e43"},"schema_version":"1.0"},"canonical_sha256":"66fcff4bd8be8713c44d82d6fa6e2690387bd5fbde9241dfcbec64e14b905729","source":{"kind":"arxiv","id":"1205.4290","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.4290","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"arxiv_version","alias_value":"1205.4290v1","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.4290","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"pith_short_12","alias_value":"M36P6S6YX2DR","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"M36P6S6YX2DRHRCN","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"M36P6S6Y","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:M36P6S6YX2DRHRCNQLLPU3RGSA","target":"record","payload":{"canonical_record":{"source":{"id":"1205.4290","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-19T03:34:24Z","cross_cats_sorted":[],"title_canon_sha256":"6c9868f5ec0a327b2285c7212873db992d9eb3ae00b044ca93bba6ce1daf88ec","abstract_canon_sha256":"d6bedaf17c05baea092303d3afdb96af0b23cccecb66b2a8a8ec294943d96e43"},"schema_version":"1.0"},"canonical_sha256":"66fcff4bd8be8713c44d82d6fa6e2690387bd5fbde9241dfcbec64e14b905729","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:25.474359Z","signature_b64":"TzeS9BpwRR5ckpbmfDZ7Nvh/rwiTUaVj9xTuJFYZ407PqJAAXdV/1WCNaDpesgqbRavG4othGIrfOqF4ERg2Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66fcff4bd8be8713c44d82d6fa6e2690387bd5fbde9241dfcbec64e14b905729","last_reissued_at":"2026-05-18T01:57:25.473762Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:25.473762Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.4290","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":"2026-05-18T01:57:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X3lk2+KzIiSL06wi9e3CEROscIEBccgLOB/sPp+GxXlW9F2Zh4atrf6yovU2TdDfalpLBK/PavQnP1Qz9E7gCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T20:46:42.712659Z"},"content_sha256":"25bcb234d1379801e6736543f816ff5308bfa940daccf1d04cd817360a32efad","schema_version":"1.0","event_id":"sha256:25bcb234d1379801e6736543f816ff5308bfa940daccf1d04cd817360a32efad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:M36P6S6YX2DRHRCNQLLPU3RGSA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reduced Dark Counts in Optimized Geometries for Superconducting Nanowire Single photon Detectors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Hamed Majedi, Amin Eftekharian, Haig Atikian, Marko Loncar, Mohsen K. Akhlaghi","submitted_at":"2012-05-19T03:34:24Z","abstract_excerpt":"We have experimentally compared the critical current, dark count rate and photo-response of 100nm wide superconducting nanowires with different bend designs. Enhanced critical current for nanowires with optimally rounded bends, and thus with no current crowding, are observed. Furthermore, we find that the optimally designed bend significantly reduces the dark counts without compromising the photo-response of the device. The results can lead to major improvements in superconducting nanowire single photon detectors."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.4290","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":"2026-05-18T01:57:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OAN6Kw0+UCalgQWqT5iDZb4/Fllc8JFcXWolZE844KhCeafQEttGXNAtke/WIAgs2+wAEvB3Gt0YmbcO7AjPBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T20:46:42.713014Z"},"content_sha256":"a36ff8fa77aa4cd4c12f03b64e9ae6af26034b159d0ea1a16d1dc9509e56bd28","schema_version":"1.0","event_id":"sha256:a36ff8fa77aa4cd4c12f03b64e9ae6af26034b159d0ea1a16d1dc9509e56bd28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M36P6S6YX2DRHRCNQLLPU3RGSA/bundle.json","state_url":"https://pith.science/pith/M36P6S6YX2DRHRCNQLLPU3RGSA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M36P6S6YX2DRHRCNQLLPU3RGSA/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":"2026-06-02T20:46:42Z","links":{"resolver":"https://pith.science/pith/M36P6S6YX2DRHRCNQLLPU3RGSA","bundle":"https://pith.science/pith/M36P6S6YX2DRHRCNQLLPU3RGSA/bundle.json","state":"https://pith.science/pith/M36P6S6YX2DRHRCNQLLPU3RGSA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M36P6S6YX2DRHRCNQLLPU3RGSA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:M36P6S6YX2DRHRCNQLLPU3RGSA","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":"d6bedaf17c05baea092303d3afdb96af0b23cccecb66b2a8a8ec294943d96e43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-19T03:34:24Z","title_canon_sha256":"6c9868f5ec0a327b2285c7212873db992d9eb3ae00b044ca93bba6ce1daf88ec"},"schema_version":"1.0","source":{"id":"1205.4290","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.4290","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"arxiv_version","alias_value":"1205.4290v1","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.4290","created_at":"2026-05-18T01:57:25Z"},{"alias_kind":"pith_short_12","alias_value":"M36P6S6YX2DR","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"M36P6S6YX2DRHRCN","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"M36P6S6Y","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:a36ff8fa77aa4cd4c12f03b64e9ae6af26034b159d0ea1a16d1dc9509e56bd28","target":"graph","created_at":"2026-05-18T01:57:25Z","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 have experimentally compared the critical current, dark count rate and photo-response of 100nm wide superconducting nanowires with different bend designs. Enhanced critical current for nanowires with optimally rounded bends, and thus with no current crowding, are observed. Furthermore, we find that the optimally designed bend significantly reduces the dark counts without compromising the photo-response of the device. The results can lead to major improvements in superconducting nanowire single photon detectors.","authors_text":"A. Hamed Majedi, Amin Eftekharian, Haig Atikian, Marko Loncar, Mohsen K. Akhlaghi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-19T03:34:24Z","title":"Reduced Dark Counts in Optimized Geometries for Superconducting Nanowire Single photon Detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.4290","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":"sha256:25bcb234d1379801e6736543f816ff5308bfa940daccf1d04cd817360a32efad","target":"record","created_at":"2026-05-18T01:57:25Z","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":"d6bedaf17c05baea092303d3afdb96af0b23cccecb66b2a8a8ec294943d96e43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-19T03:34:24Z","title_canon_sha256":"6c9868f5ec0a327b2285c7212873db992d9eb3ae00b044ca93bba6ce1daf88ec"},"schema_version":"1.0","source":{"id":"1205.4290","kind":"arxiv","version":1}},"canonical_sha256":"66fcff4bd8be8713c44d82d6fa6e2690387bd5fbde9241dfcbec64e14b905729","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"66fcff4bd8be8713c44d82d6fa6e2690387bd5fbde9241dfcbec64e14b905729","first_computed_at":"2026-05-18T01:57:25.473762Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:25.473762Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TzeS9BpwRR5ckpbmfDZ7Nvh/rwiTUaVj9xTuJFYZ407PqJAAXdV/1WCNaDpesgqbRavG4othGIrfOqF4ERg2Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:25.474359Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.4290","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25bcb234d1379801e6736543f816ff5308bfa940daccf1d04cd817360a32efad","sha256:a36ff8fa77aa4cd4c12f03b64e9ae6af26034b159d0ea1a16d1dc9509e56bd28"],"state_sha256":"dc11dc650b54bb68626f9f37a5ab2a71d0e049f46b794678a40ecb279525bf42"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2/ZTO6+v/DS+oL6D1HuTW3PCYjUBZzVuS5TK71BkJ4A6YGmpAZK6SHtxVdCqsmwZ7kf4bg+W8uhmXpIhooXhCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T20:46:42.715178Z","bundle_sha256":"f739c942401fda9fdf0ecac459e5b6a50dd3e67c35b9fffce3a6686b6aeda2fa"}}