{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:CV5K5C5DEDYDNOHAQAACI6IDXM","short_pith_number":"pith:CV5K5C5D","canonical_record":{"source":{"id":"nlin/0603012","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nlin.CD","submitted_at":"2006-03-04T14:11:13Z","cross_cats_sorted":[],"title_canon_sha256":"4b92304cfa71b76d1cf5ad157fb09d85bf5205bfd7b89e5110426f891086be8d","abstract_canon_sha256":"1872c7dc3d921188f6ca5156e3cb8296233486eeccfde3e3e225a40a500b23ac"},"schema_version":"1.0"},"canonical_sha256":"157aae8ba320f036b8e08000247903bb0210c15c3894043d945f7eff31c2fc7f","source":{"kind":"arxiv","id":"nlin/0603012","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nlin/0603012","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"arxiv_version","alias_value":"nlin/0603012v1","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nlin/0603012","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"pith_short_12","alias_value":"CV5K5C5DEDYD","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"CV5K5C5DEDYDNOHA","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"CV5K5C5D","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:CV5K5C5DEDYDNOHAQAACI6IDXM","target":"record","payload":{"canonical_record":{"source":{"id":"nlin/0603012","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nlin.CD","submitted_at":"2006-03-04T14:11:13Z","cross_cats_sorted":[],"title_canon_sha256":"4b92304cfa71b76d1cf5ad157fb09d85bf5205bfd7b89e5110426f891086be8d","abstract_canon_sha256":"1872c7dc3d921188f6ca5156e3cb8296233486eeccfde3e3e225a40a500b23ac"},"schema_version":"1.0"},"canonical_sha256":"157aae8ba320f036b8e08000247903bb0210c15c3894043d945f7eff31c2fc7f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:18.235952Z","signature_b64":"sK0t0FwWvcRHZpUSS5NEuAmerRqlkp5UotXT8wENiGCDYhBCz04bhIvZHciX1opiHnHKVuavm3pCppPUNHQ1Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"157aae8ba320f036b8e08000247903bb0210c15c3894043d945f7eff31c2fc7f","last_reissued_at":"2026-05-18T01:38:18.235139Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:18.235139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nlin/0603012","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":"2026-05-18T01:38:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UeofpAwzfV3qyAdevIkAhL2iF+YDcRt1kdZia8x+Yqvy/p/9pBcTezdMy0/0jYWGBBHl7e4jHcuzcdOQzfahBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T16:19:52.527386Z"},"content_sha256":"80c1363e8c2b0517442692188ca1c54f286ae50cbf57d8529cd78c090f9630c0","schema_version":"1.0","event_id":"sha256:80c1363e8c2b0517442692188ca1c54f286ae50cbf57d8529cd78c090f9630c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:CV5K5C5DEDYDNOHAQAACI6IDXM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stochastic resonance with different periodic forces in overdamped two coupled anharmonic oscillators","license":"","headline":"","cross_cats":[],"primary_cat":"nlin.CD","authors_text":"K.Murali, S.Rajasekar, V.M.Gandhimathi","submitted_at":"2006-03-04T14:11:13Z","abstract_excerpt":"We study the stochastic resonance phenomenon in the overdamped two coupled anharmonic oscillators with Gaussian noise and driven by different external periodic forces. We consider (i) sine, (ii) square, (iii) symmetric saw-tooth, (iv) asymmetric saw-tooth, (v) modulus of sine and (vi) rectified sinusoidal forces. The external periodic forces and Gaussian noise term are added to one of the two state variables of the system. The effect of each force is studied separately. In the absence of noise term, when the amplitude $f$ of the applied periodic force is varied cross-well motion is realized ab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nlin/0603012","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":"2026-05-18T01:38:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GPZnM3bPLfxFLiCQYVzo72zscgmb3WA7ZQl12mBPLQqr9Er2DaoC4JcHdWXa+ZktwvlIiJhZGj6KnJ3WJYyxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T16:19:52.527731Z"},"content_sha256":"c0b440026649c4722d0f174e2d02c29e1050b35ae9064cba690490e4a27afa08","schema_version":"1.0","event_id":"sha256:c0b440026649c4722d0f174e2d02c29e1050b35ae9064cba690490e4a27afa08"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CV5K5C5DEDYDNOHAQAACI6IDXM/bundle.json","state_url":"https://pith.science/pith/CV5K5C5DEDYDNOHAQAACI6IDXM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CV5K5C5DEDYDNOHAQAACI6IDXM/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":"2026-06-01T16:19:52Z","links":{"resolver":"https://pith.science/pith/CV5K5C5DEDYDNOHAQAACI6IDXM","bundle":"https://pith.science/pith/CV5K5C5DEDYDNOHAQAACI6IDXM/bundle.json","state":"https://pith.science/pith/CV5K5C5DEDYDNOHAQAACI6IDXM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CV5K5C5DEDYDNOHAQAACI6IDXM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:CV5K5C5DEDYDNOHAQAACI6IDXM","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":"1872c7dc3d921188f6ca5156e3cb8296233486eeccfde3e3e225a40a500b23ac","cross_cats_sorted":[],"license":"","primary_cat":"nlin.CD","submitted_at":"2006-03-04T14:11:13Z","title_canon_sha256":"4b92304cfa71b76d1cf5ad157fb09d85bf5205bfd7b89e5110426f891086be8d"},"schema_version":"1.0","source":{"id":"nlin/0603012","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nlin/0603012","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"arxiv_version","alias_value":"nlin/0603012v1","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nlin/0603012","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"pith_short_12","alias_value":"CV5K5C5DEDYD","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"CV5K5C5DEDYDNOHA","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"CV5K5C5D","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:c0b440026649c4722d0f174e2d02c29e1050b35ae9064cba690490e4a27afa08","target":"graph","created_at":"2026-05-18T01:38:18Z","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 study the stochastic resonance phenomenon in the overdamped two coupled anharmonic oscillators with Gaussian noise and driven by different external periodic forces. We consider (i) sine, (ii) square, (iii) symmetric saw-tooth, (iv) asymmetric saw-tooth, (v) modulus of sine and (vi) rectified sinusoidal forces. The external periodic forces and Gaussian noise term are added to one of the two state variables of the system. The effect of each force is studied separately. In the absence of noise term, when the amplitude $f$ of the applied periodic force is varied cross-well motion is realized ab","authors_text":"K.Murali, S.Rajasekar, V.M.Gandhimathi","cross_cats":[],"headline":"","license":"","primary_cat":"nlin.CD","submitted_at":"2006-03-04T14:11:13Z","title":"Stochastic resonance with different periodic forces in overdamped two coupled anharmonic oscillators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nlin/0603012","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":"sha256:80c1363e8c2b0517442692188ca1c54f286ae50cbf57d8529cd78c090f9630c0","target":"record","created_at":"2026-05-18T01:38:18Z","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":"1872c7dc3d921188f6ca5156e3cb8296233486eeccfde3e3e225a40a500b23ac","cross_cats_sorted":[],"license":"","primary_cat":"nlin.CD","submitted_at":"2006-03-04T14:11:13Z","title_canon_sha256":"4b92304cfa71b76d1cf5ad157fb09d85bf5205bfd7b89e5110426f891086be8d"},"schema_version":"1.0","source":{"id":"nlin/0603012","kind":"arxiv","version":1}},"canonical_sha256":"157aae8ba320f036b8e08000247903bb0210c15c3894043d945f7eff31c2fc7f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"157aae8ba320f036b8e08000247903bb0210c15c3894043d945f7eff31c2fc7f","first_computed_at":"2026-05-18T01:38:18.235139Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:18.235139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sK0t0FwWvcRHZpUSS5NEuAmerRqlkp5UotXT8wENiGCDYhBCz04bhIvZHciX1opiHnHKVuavm3pCppPUNHQ1Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:18.235952Z","signed_message":"canonical_sha256_bytes"},"source_id":"nlin/0603012","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80c1363e8c2b0517442692188ca1c54f286ae50cbf57d8529cd78c090f9630c0","sha256:c0b440026649c4722d0f174e2d02c29e1050b35ae9064cba690490e4a27afa08"],"state_sha256":"2e1c476b40417d093b0493373fccc286b3701bc06bab6dfeccedb9024b056123"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PGK2U5K+wKlc3Hm/eDS/pIwjp2CjytZAfo8Ps/f8vYt2TD8LFGsNiEvPxSrP/QRQckq1zoZNGhfCr40z36tHBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T16:19:52.529958Z","bundle_sha256":"380738b3fe4937f79084dc6a19eece12fba0b3c10e64de169ba10919fb98bd99"}}