{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ILXUA4DCZDH54CVDJ3HN37P47A","short_pith_number":"pith:ILXUA4DC","canonical_record":{"source":{"id":"1009.3187","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2010-09-16T14:45:51Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"f15aa45f5bad913f18fb24f9c90e664d576950bab1a8a43d54ad9fa2e016daf5","abstract_canon_sha256":"1b1dabcefee7bc1669bbb00a732b057cdc20fa8ca229db035a1dbc9fe2ebd789"},"schema_version":"1.0"},"canonical_sha256":"42ef407062c8cfde0aa34eceddfdfcf8331cd0df5583bcf3c1a026f6aa273170","source":{"kind":"arxiv","id":"1009.3187","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.3187","created_at":"2026-05-18T02:05:27Z"},{"alias_kind":"arxiv_version","alias_value":"1009.3187v1","created_at":"2026-05-18T02:05:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.3187","created_at":"2026-05-18T02:05:27Z"},{"alias_kind":"pith_short_12","alias_value":"ILXUA4DCZDH5","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"ILXUA4DCZDH54CVD","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"ILXUA4DC","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ILXUA4DCZDH54CVDJ3HN37P47A","target":"record","payload":{"canonical_record":{"source":{"id":"1009.3187","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2010-09-16T14:45:51Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"f15aa45f5bad913f18fb24f9c90e664d576950bab1a8a43d54ad9fa2e016daf5","abstract_canon_sha256":"1b1dabcefee7bc1669bbb00a732b057cdc20fa8ca229db035a1dbc9fe2ebd789"},"schema_version":"1.0"},"canonical_sha256":"42ef407062c8cfde0aa34eceddfdfcf8331cd0df5583bcf3c1a026f6aa273170","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:27.459604Z","signature_b64":"vV7L7mKz2o/jGtKf9ccG+1B5S6+rNydq1d3H/08fZor2CcCaOTnFsyOGyMnUWHw8jgSpfw3CnJov3eVw9sByBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42ef407062c8cfde0aa34eceddfdfcf8331cd0df5583bcf3c1a026f6aa273170","last_reissued_at":"2026-05-18T02:05:27.458982Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:27.458982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.3187","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":"2026-05-18T02:05:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8mS88fnrvJ7CeGHGwYkfgno+duzOitIUlwMMoO88Q7a255tWM0u7jk2sFz0v8Zqgcl992l+PcR5DDfLyuTJ2Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:41:08.876499Z"},"content_sha256":"be717b4d83c4269620169a24694b5ca7e4e5fadf9ac15ebe73daa4226a11036e","schema_version":"1.0","event_id":"sha256:be717b4d83c4269620169a24694b5ca7e4e5fadf9ac15ebe73daa4226a11036e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ILXUA4DCZDH54CVDJ3HN37P47A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of noise-corrupted sinusoidal signals with Josephson junctions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an"],"primary_cat":"cond-mat.other","authors_text":"Giovanni Filatrella, Vincenzo Pierro","submitted_at":"2010-09-16T14:45:51Z","abstract_excerpt":"We investigate the possibility of exploiting the speed and low noise features of Josephson junctions for detecting sinusoidal signals masked by Gaussian noise. We show that the escape time from the static locked state of a Josephson junction is very sensitive to a small periodic signal embedded in the noise, and therefore the analysis of the escape times can be employed to reveal the presence of the sinusoidal component. We propose and characterize two detection strategies: in the first the initial phase is supposedly unknown (incoherent strategy), while in the second the signal phase remains "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.3187","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":"2026-05-18T02:05:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+aB6v0UCMBReh4WkXPgLr3MyD8TW3hPR4GfSE+MJ+D3t56GpKkTu158fcGLodLl1XgwGeZ8uu0ConMeG9jo5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:41:08.877051Z"},"content_sha256":"b80f62743a94107e152d73b147e36479cd1f55a1c2722d2e4d8ad0d9dbc0bcfd","schema_version":"1.0","event_id":"sha256:b80f62743a94107e152d73b147e36479cd1f55a1c2722d2e4d8ad0d9dbc0bcfd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ILXUA4DCZDH54CVDJ3HN37P47A/bundle.json","state_url":"https://pith.science/pith/ILXUA4DCZDH54CVDJ3HN37P47A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ILXUA4DCZDH54CVDJ3HN37P47A/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":"2026-05-26T16:41:08Z","links":{"resolver":"https://pith.science/pith/ILXUA4DCZDH54CVDJ3HN37P47A","bundle":"https://pith.science/pith/ILXUA4DCZDH54CVDJ3HN37P47A/bundle.json","state":"https://pith.science/pith/ILXUA4DCZDH54CVDJ3HN37P47A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ILXUA4DCZDH54CVDJ3HN37P47A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ILXUA4DCZDH54CVDJ3HN37P47A","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":"1b1dabcefee7bc1669bbb00a732b057cdc20fa8ca229db035a1dbc9fe2ebd789","cross_cats_sorted":["physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2010-09-16T14:45:51Z","title_canon_sha256":"f15aa45f5bad913f18fb24f9c90e664d576950bab1a8a43d54ad9fa2e016daf5"},"schema_version":"1.0","source":{"id":"1009.3187","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.3187","created_at":"2026-05-18T02:05:27Z"},{"alias_kind":"arxiv_version","alias_value":"1009.3187v1","created_at":"2026-05-18T02:05:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.3187","created_at":"2026-05-18T02:05:27Z"},{"alias_kind":"pith_short_12","alias_value":"ILXUA4DCZDH5","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"ILXUA4DCZDH54CVD","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"ILXUA4DC","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:b80f62743a94107e152d73b147e36479cd1f55a1c2722d2e4d8ad0d9dbc0bcfd","target":"graph","created_at":"2026-05-18T02:05:27Z","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 investigate the possibility of exploiting the speed and low noise features of Josephson junctions for detecting sinusoidal signals masked by Gaussian noise. We show that the escape time from the static locked state of a Josephson junction is very sensitive to a small periodic signal embedded in the noise, and therefore the analysis of the escape times can be employed to reveal the presence of the sinusoidal component. We propose and characterize two detection strategies: in the first the initial phase is supposedly unknown (incoherent strategy), while in the second the signal phase remains ","authors_text":"Giovanni Filatrella, Vincenzo Pierro","cross_cats":["physics.data-an"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2010-09-16T14:45:51Z","title":"Detection of noise-corrupted sinusoidal signals with Josephson junctions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.3187","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:be717b4d83c4269620169a24694b5ca7e4e5fadf9ac15ebe73daa4226a11036e","target":"record","created_at":"2026-05-18T02:05:27Z","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":"1b1dabcefee7bc1669bbb00a732b057cdc20fa8ca229db035a1dbc9fe2ebd789","cross_cats_sorted":["physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2010-09-16T14:45:51Z","title_canon_sha256":"f15aa45f5bad913f18fb24f9c90e664d576950bab1a8a43d54ad9fa2e016daf5"},"schema_version":"1.0","source":{"id":"1009.3187","kind":"arxiv","version":1}},"canonical_sha256":"42ef407062c8cfde0aa34eceddfdfcf8331cd0df5583bcf3c1a026f6aa273170","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42ef407062c8cfde0aa34eceddfdfcf8331cd0df5583bcf3c1a026f6aa273170","first_computed_at":"2026-05-18T02:05:27.458982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:27.458982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vV7L7mKz2o/jGtKf9ccG+1B5S6+rNydq1d3H/08fZor2CcCaOTnFsyOGyMnUWHw8jgSpfw3CnJov3eVw9sByBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:27.459604Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.3187","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be717b4d83c4269620169a24694b5ca7e4e5fadf9ac15ebe73daa4226a11036e","sha256:b80f62743a94107e152d73b147e36479cd1f55a1c2722d2e4d8ad0d9dbc0bcfd"],"state_sha256":"654e76bf3e37c7c98fed778c8e2a34b7a7e73b035d2c259c0f824a3858edbc2b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2cvcsz3hZU9olIl5mcvyXRzRFAmTgoX3znkeDB/AiqsugEAtRUPC0WA9WRZby8D3Z+jDVtqCX2fjLZcXcCXHBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T16:41:08.880412Z","bundle_sha256":"c66cb10d4ceec1531270fa86b9045804bc870304bcab8c6b2bddde39a29faaea"}}