{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XBFCYVIMLNLFBLOIPFLFO5DVMX","short_pith_number":"pith:XBFCYVIM","canonical_record":{"source":{"id":"1206.1723","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-06-08T10:40:55Z","cross_cats_sorted":["cond-mat.soft","cond-mat.stat-mech"],"title_canon_sha256":"d936523884071ea641faa5aa56296995ee0f80f376fbbbfb2e0127f9071abe18","abstract_canon_sha256":"688b4209c1bb240a15d437cf307cbc00d86ca35077d84351e18510a359f0fcd1"},"schema_version":"1.0"},"canonical_sha256":"b84a2c550c5b5650adc8795657747565dbdb28c4bdcc2634625d53f731b29d7b","source":{"kind":"arxiv","id":"1206.1723","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.1723","created_at":"2026-05-18T01:57:00Z"},{"alias_kind":"arxiv_version","alias_value":"1206.1723v1","created_at":"2026-05-18T01:57:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.1723","created_at":"2026-05-18T01:57:00Z"},{"alias_kind":"pith_short_12","alias_value":"XBFCYVIMLNLF","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XBFCYVIMLNLFBLOI","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XBFCYVIM","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XBFCYVIMLNLFBLOIPFLFO5DVMX","target":"record","payload":{"canonical_record":{"source":{"id":"1206.1723","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-06-08T10:40:55Z","cross_cats_sorted":["cond-mat.soft","cond-mat.stat-mech"],"title_canon_sha256":"d936523884071ea641faa5aa56296995ee0f80f376fbbbfb2e0127f9071abe18","abstract_canon_sha256":"688b4209c1bb240a15d437cf307cbc00d86ca35077d84351e18510a359f0fcd1"},"schema_version":"1.0"},"canonical_sha256":"b84a2c550c5b5650adc8795657747565dbdb28c4bdcc2634625d53f731b29d7b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:00.689750Z","signature_b64":"Zzf+p3MWM2dqF78UcKAg3vniumIXIvhjaLw0B7l9JUdgiiXLGOPn5a0KNAXcW/3mqTdJqHsb9JEQKWsrlvCYDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b84a2c550c5b5650adc8795657747565dbdb28c4bdcc2634625d53f731b29d7b","last_reissued_at":"2026-05-18T01:57:00.689140Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:00.689140Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.1723","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":"2026-05-18T01:57:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"en+VvPhCGjfmTfyfdzIUN5N+Y/5Wa9Wi399rF5cOOKBX6KlbxUqzHzyAxT/ai8HAlBf8Xc41cRrJuJICaYqZBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T03:06:36.386728Z"},"content_sha256":"9ebe6fcbf3b1c4bac6546e9689d2aa51f35606a4d0af80df9c49a1e8bea49a65","schema_version":"1.0","event_id":"sha256:9ebe6fcbf3b1c4bac6546e9689d2aa51f35606a4d0af80df9c49a1e8bea49a65"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XBFCYVIMLNLFBLOIPFLFO5DVMX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Geometric Stochastic Resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft","cond-mat.stat-mech"],"primary_cat":"physics.chem-ph","authors_text":"Fabio Marchesoni, Franco Nori, Pulak Kumar Ghosh, Sergey E. Savel'ev","submitted_at":"2012-06-08T10:40:55Z","abstract_excerpt":"A Brownian particle moving across a porous membrane subject to an oscillating force exhibits stochastic resonance with properties which strongly depend on the geometry of the confining cavities on the two sides of the membrane. Such a manifestation of stochastic resonance requires neither energetic nor entropic barriers, and can thus be regarded as a purely geometric effect. The magnitude of this effect is sensitive to the geometry of both the cavities and the pores, thus leading to distinctive optimal synchronization conditions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.1723","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":"2026-05-18T01:57:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W3qub1w4G2ZMTcaJFNsYleNKM6pvmwz+M3yy/RtqQZlx2SnjJi+zNqD8UpGpGu8XC7ilNX4uUrbEEP9WQWwsBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T03:06:36.387116Z"},"content_sha256":"a6e4b80e064308ddb30c1f5d07c8519b354a703641f03af1aebe677b8bceaba2","schema_version":"1.0","event_id":"sha256:a6e4b80e064308ddb30c1f5d07c8519b354a703641f03af1aebe677b8bceaba2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XBFCYVIMLNLFBLOIPFLFO5DVMX/bundle.json","state_url":"https://pith.science/pith/XBFCYVIMLNLFBLOIPFLFO5DVMX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XBFCYVIMLNLFBLOIPFLFO5DVMX/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":"2026-05-20T03:06:36Z","links":{"resolver":"https://pith.science/pith/XBFCYVIMLNLFBLOIPFLFO5DVMX","bundle":"https://pith.science/pith/XBFCYVIMLNLFBLOIPFLFO5DVMX/bundle.json","state":"https://pith.science/pith/XBFCYVIMLNLFBLOIPFLFO5DVMX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XBFCYVIMLNLFBLOIPFLFO5DVMX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XBFCYVIMLNLFBLOIPFLFO5DVMX","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":"688b4209c1bb240a15d437cf307cbc00d86ca35077d84351e18510a359f0fcd1","cross_cats_sorted":["cond-mat.soft","cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-06-08T10:40:55Z","title_canon_sha256":"d936523884071ea641faa5aa56296995ee0f80f376fbbbfb2e0127f9071abe18"},"schema_version":"1.0","source":{"id":"1206.1723","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.1723","created_at":"2026-05-18T01:57:00Z"},{"alias_kind":"arxiv_version","alias_value":"1206.1723v1","created_at":"2026-05-18T01:57:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.1723","created_at":"2026-05-18T01:57:00Z"},{"alias_kind":"pith_short_12","alias_value":"XBFCYVIMLNLF","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XBFCYVIMLNLFBLOI","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XBFCYVIM","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:a6e4b80e064308ddb30c1f5d07c8519b354a703641f03af1aebe677b8bceaba2","target":"graph","created_at":"2026-05-18T01:57:00Z","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":"A Brownian particle moving across a porous membrane subject to an oscillating force exhibits stochastic resonance with properties which strongly depend on the geometry of the confining cavities on the two sides of the membrane. Such a manifestation of stochastic resonance requires neither energetic nor entropic barriers, and can thus be regarded as a purely geometric effect. The magnitude of this effect is sensitive to the geometry of both the cavities and the pores, thus leading to distinctive optimal synchronization conditions.","authors_text":"Fabio Marchesoni, Franco Nori, Pulak Kumar Ghosh, Sergey E. Savel'ev","cross_cats":["cond-mat.soft","cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-06-08T10:40:55Z","title":"Geometric Stochastic Resonance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.1723","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":"sha256:9ebe6fcbf3b1c4bac6546e9689d2aa51f35606a4d0af80df9c49a1e8bea49a65","target":"record","created_at":"2026-05-18T01:57:00Z","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":"688b4209c1bb240a15d437cf307cbc00d86ca35077d84351e18510a359f0fcd1","cross_cats_sorted":["cond-mat.soft","cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2012-06-08T10:40:55Z","title_canon_sha256":"d936523884071ea641faa5aa56296995ee0f80f376fbbbfb2e0127f9071abe18"},"schema_version":"1.0","source":{"id":"1206.1723","kind":"arxiv","version":1}},"canonical_sha256":"b84a2c550c5b5650adc8795657747565dbdb28c4bdcc2634625d53f731b29d7b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b84a2c550c5b5650adc8795657747565dbdb28c4bdcc2634625d53f731b29d7b","first_computed_at":"2026-05-18T01:57:00.689140Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:00.689140Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zzf+p3MWM2dqF78UcKAg3vniumIXIvhjaLw0B7l9JUdgiiXLGOPn5a0KNAXcW/3mqTdJqHsb9JEQKWsrlvCYDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:00.689750Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.1723","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ebe6fcbf3b1c4bac6546e9689d2aa51f35606a4d0af80df9c49a1e8bea49a65","sha256:a6e4b80e064308ddb30c1f5d07c8519b354a703641f03af1aebe677b8bceaba2"],"state_sha256":"464fea4e91200ca72d2b90eb1857a93622ebb8381a7becae7b9a8699b093b81c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wz2Q9iaff16F2a7FciCBfKhK9A3BiTdiYosjTW1rgheZjfRz3DwzbCerkgehDjBeUt8y/01Q49yg4dHgr5D3AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T03:06:36.390414Z","bundle_sha256":"7bc3ab990a31142021edee8c936d09dcf38858273f1cfeceef55ef5fd7f767eb"}}