{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:QRDNREOCE6NPQFOWCJC6G7KB43","short_pith_number":"pith:QRDNREOC","canonical_record":{"source":{"id":"1410.6098","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.PS","submitted_at":"2014-10-22T16:20:36Z","cross_cats_sorted":["nlin.CD"],"title_canon_sha256":"18e1cea71cd3d1c4cf43fc54ea60d42ec1013fae3a17b17746cc6e2d1f015596","abstract_canon_sha256":"fea4cbf53d2f521baf83d3f2105e6cc24ca50e5910181588a108ba3e835a8b3c"},"schema_version":"1.0"},"canonical_sha256":"8446d891c2279af815d61245e37d41e6f79cb32d33287a4a3b97d766c173b162","source":{"kind":"arxiv","id":"1410.6098","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.6098","created_at":"2026-05-18T02:39:32Z"},{"alias_kind":"arxiv_version","alias_value":"1410.6098v1","created_at":"2026-05-18T02:39:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.6098","created_at":"2026-05-18T02:39:32Z"},{"alias_kind":"pith_short_12","alias_value":"QRDNREOCE6NP","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QRDNREOCE6NPQFOW","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QRDNREOC","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:QRDNREOCE6NPQFOWCJC6G7KB43","target":"record","payload":{"canonical_record":{"source":{"id":"1410.6098","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.PS","submitted_at":"2014-10-22T16:20:36Z","cross_cats_sorted":["nlin.CD"],"title_canon_sha256":"18e1cea71cd3d1c4cf43fc54ea60d42ec1013fae3a17b17746cc6e2d1f015596","abstract_canon_sha256":"fea4cbf53d2f521baf83d3f2105e6cc24ca50e5910181588a108ba3e835a8b3c"},"schema_version":"1.0"},"canonical_sha256":"8446d891c2279af815d61245e37d41e6f79cb32d33287a4a3b97d766c173b162","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:32.592011Z","signature_b64":"Nza1yTquGpywYDQlXtMMURShwfKdrQN91O5d7dHwHE6uo9G0XRdN8uT9BaypvaMrdJUTk7T8//i7FKLgz0WNAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8446d891c2279af815d61245e37d41e6f79cb32d33287a4a3b97d766c173b162","last_reissued_at":"2026-05-18T02:39:32.591586Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:32.591586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.6098","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":"2026-05-18T02:39:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u1kOwgPnNbvw2UxYdmt2+Utsq3Gi8ShUHuZskdllQiDb72MnWQ/vhTPK2lEtbkEzaPGVw29aLiNGFlH4eVEWCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T07:16:34.599299Z"},"content_sha256":"5d516540c424dffa6b005ce4ad5eb6500a2aac250c6301848fdb255dcf7dc4a5","schema_version":"1.0","event_id":"sha256:5d516540c424dffa6b005ce4ad5eb6500a2aac250c6301848fdb255dcf7dc4a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:QRDNREOCE6NPQFOWCJC6G7KB43","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Autoresonance energy transfer versus localization in weakly coupled oscillators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.CD"],"primary_cat":"nlin.PS","authors_text":"Agnessa Kovaleva, Leonid Manevitch","submitted_at":"2014-10-22T16:20:36Z","abstract_excerpt":"In this paper we investigate the distribution of energy between weakly coupled linear and nonlinear oscillators in a two-degree-of-freedom (2D) system. Two classes of problems are studied analytically and numerically: (1) a periodic force with constant frequency is applied to the nonlinear (Duffing) oscillator with slowly time-decreasing linear stiffness; (2) the time-independent nonlinear oscillator is excited by a force with slowly increasing frequency. In both cases, stiffness of the attached linear oscillator and linear coupling remain constant, and the system is initially engaged in reson"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.6098","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":"2026-05-18T02:39:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BZSOt9F5kuA1pk3HO4sOBZJ5z4tICPBvJsk8R+qQittDrYuVv2iM+z60KP1yhVIlPjFUvef+G6q3yI+bjb2rAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T07:16:34.599656Z"},"content_sha256":"0509f0dafa72a08f4358946cffd8718525e1f7da1dd25549f8fdbc1df7f83a47","schema_version":"1.0","event_id":"sha256:0509f0dafa72a08f4358946cffd8718525e1f7da1dd25549f8fdbc1df7f83a47"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QRDNREOCE6NPQFOWCJC6G7KB43/bundle.json","state_url":"https://pith.science/pith/QRDNREOCE6NPQFOWCJC6G7KB43/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QRDNREOCE6NPQFOWCJC6G7KB43/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":"2026-06-25T07:16:34Z","links":{"resolver":"https://pith.science/pith/QRDNREOCE6NPQFOWCJC6G7KB43","bundle":"https://pith.science/pith/QRDNREOCE6NPQFOWCJC6G7KB43/bundle.json","state":"https://pith.science/pith/QRDNREOCE6NPQFOWCJC6G7KB43/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QRDNREOCE6NPQFOWCJC6G7KB43/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:QRDNREOCE6NPQFOWCJC6G7KB43","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":"fea4cbf53d2f521baf83d3f2105e6cc24ca50e5910181588a108ba3e835a8b3c","cross_cats_sorted":["nlin.CD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.PS","submitted_at":"2014-10-22T16:20:36Z","title_canon_sha256":"18e1cea71cd3d1c4cf43fc54ea60d42ec1013fae3a17b17746cc6e2d1f015596"},"schema_version":"1.0","source":{"id":"1410.6098","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.6098","created_at":"2026-05-18T02:39:32Z"},{"alias_kind":"arxiv_version","alias_value":"1410.6098v1","created_at":"2026-05-18T02:39:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.6098","created_at":"2026-05-18T02:39:32Z"},{"alias_kind":"pith_short_12","alias_value":"QRDNREOCE6NP","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QRDNREOCE6NPQFOW","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QRDNREOC","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:0509f0dafa72a08f4358946cffd8718525e1f7da1dd25549f8fdbc1df7f83a47","target":"graph","created_at":"2026-05-18T02:39:32Z","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":"In this paper we investigate the distribution of energy between weakly coupled linear and nonlinear oscillators in a two-degree-of-freedom (2D) system. Two classes of problems are studied analytically and numerically: (1) a periodic force with constant frequency is applied to the nonlinear (Duffing) oscillator with slowly time-decreasing linear stiffness; (2) the time-independent nonlinear oscillator is excited by a force with slowly increasing frequency. In both cases, stiffness of the attached linear oscillator and linear coupling remain constant, and the system is initially engaged in reson","authors_text":"Agnessa Kovaleva, Leonid Manevitch","cross_cats":["nlin.CD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.PS","submitted_at":"2014-10-22T16:20:36Z","title":"Autoresonance energy transfer versus localization in weakly coupled oscillators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.6098","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":"sha256:5d516540c424dffa6b005ce4ad5eb6500a2aac250c6301848fdb255dcf7dc4a5","target":"record","created_at":"2026-05-18T02:39:32Z","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":"fea4cbf53d2f521baf83d3f2105e6cc24ca50e5910181588a108ba3e835a8b3c","cross_cats_sorted":["nlin.CD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.PS","submitted_at":"2014-10-22T16:20:36Z","title_canon_sha256":"18e1cea71cd3d1c4cf43fc54ea60d42ec1013fae3a17b17746cc6e2d1f015596"},"schema_version":"1.0","source":{"id":"1410.6098","kind":"arxiv","version":1}},"canonical_sha256":"8446d891c2279af815d61245e37d41e6f79cb32d33287a4a3b97d766c173b162","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8446d891c2279af815d61245e37d41e6f79cb32d33287a4a3b97d766c173b162","first_computed_at":"2026-05-18T02:39:32.591586Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:32.591586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Nza1yTquGpywYDQlXtMMURShwfKdrQN91O5d7dHwHE6uo9G0XRdN8uT9BaypvaMrdJUTk7T8//i7FKLgz0WNAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:32.592011Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.6098","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d516540c424dffa6b005ce4ad5eb6500a2aac250c6301848fdb255dcf7dc4a5","sha256:0509f0dafa72a08f4358946cffd8718525e1f7da1dd25549f8fdbc1df7f83a47"],"state_sha256":"33834b3b80cf75d633f17a7714218946711daffea389f62370d2f1bbcea0664c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u8lHtMpywiFXgZ5t6/F4JbMFTQEp+F7Q5YQlc2NjIFC3bP2O7zAhMm9dg0+qQEjQs2ag9H60jnzbRhLZG+UhCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T07:16:34.601550Z","bundle_sha256":"d1ea2a1c4fbdca762580cd4dba87dcc9bad080b9ce58de475a0ffcccf94e6cf5"}}