{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:Q2CBPJSISOO33KYKVBHQMVFV6T","short_pith_number":"pith:Q2CBPJSI","canonical_record":{"source":{"id":"nlin/0501040","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nlin.CD","submitted_at":"2005-01-21T17:31:43Z","cross_cats_sorted":[],"title_canon_sha256":"34c212c9abf94c7c15f8ce7fc1597fe900a942ec6453d00e4ea27d741ad53782","abstract_canon_sha256":"ae9448cb0ca792ae07b72c0de32d3856a8cb86563f8dc30eb3e5afb0b94b33f0"},"schema_version":"1.0"},"canonical_sha256":"868417a648939dbdab0aa84f0654b5f4e6c44018b28a95c2625b4a59a3cef0bc","source":{"kind":"arxiv","id":"nlin/0501040","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nlin/0501040","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"arxiv_version","alias_value":"nlin/0501040v1","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nlin/0501040","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"pith_short_12","alias_value":"Q2CBPJSISOO3","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"Q2CBPJSISOO33KYK","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"Q2CBPJSI","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:Q2CBPJSISOO33KYKVBHQMVFV6T","target":"record","payload":{"canonical_record":{"source":{"id":"nlin/0501040","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nlin.CD","submitted_at":"2005-01-21T17:31:43Z","cross_cats_sorted":[],"title_canon_sha256":"34c212c9abf94c7c15f8ce7fc1597fe900a942ec6453d00e4ea27d741ad53782","abstract_canon_sha256":"ae9448cb0ca792ae07b72c0de32d3856a8cb86563f8dc30eb3e5afb0b94b33f0"},"schema_version":"1.0"},"canonical_sha256":"868417a648939dbdab0aa84f0654b5f4e6c44018b28a95c2625b4a59a3cef0bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:18.793867Z","signature_b64":"jRrUdOYEk4GtSmHgowy1k6Ivncptp5qWxzIu1y8R9xEfohIUbM9ZZs/7lW43YgHblEI4sGL7RtQGYd7ZEtRiCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"868417a648939dbdab0aa84f0654b5f4e6c44018b28a95c2625b4a59a3cef0bc","last_reissued_at":"2026-05-18T01:38:18.793293Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:18.793293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nlin/0501040","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":"ZEeB9v0Z+49Dicvo/kq3LAU5C5wCxMMhMf4jjn+SI8ScWcQwmk5kdfCjd6YW/6cmgcuZB7C4iSZyCJStmMkcDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T23:04:40.911774Z"},"content_sha256":"3c3651b4ffcde68e6a4f75a042f4f543e1718470f3864958471bfa7794780ca9","schema_version":"1.0","event_id":"sha256:3c3651b4ffcde68e6a4f75a042f4f543e1718470f3864958471bfa7794780ca9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:Q2CBPJSISOO33KYKVBHQMVFV6T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterization of chaotic dynamics in the vocalization of Cervus elaphus corsicanus","license":"","headline":"","cross_cats":[],"primary_cat":"nlin.CD","authors_text":"A. Facchini, M. Rustici, N. Marchettini, S. Bastianoni","submitted_at":"2005-01-21T17:31:43Z","abstract_excerpt":"Chaos, oscillations, instabilities, intermittency represent only some nonlinear examples apparent in natural world. These phenomena appear in any field of study, and advances in complex and nonlinear dynamic techniques bring about opportunities to better understand animal signals.\n  In this work we suggest an analysis method based on the characterization of the vocal fold dynamics by means of the nonlinear time series analysis, and by the computations of the parameters typical of chaotic oscillations: Attractor reconstruction, Spectrum of Lyapunov Exponents and Maximum Lyapunov Exponent was us"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nlin/0501040","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":"1QAPpTgf9/LZzwu/e1pctD9mCB5xRJ8WSm6OaIBSHN3Vudwxrl2DHM7Buj4bvprD46/MUnuB3y2FmfGe+1wRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T23:04:40.912535Z"},"content_sha256":"72f5b7ced3af4a79c27c2d4280ca0132e9ad9302c97237e909199842aa0d5c38","schema_version":"1.0","event_id":"sha256:72f5b7ced3af4a79c27c2d4280ca0132e9ad9302c97237e909199842aa0d5c38"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q2CBPJSISOO33KYKVBHQMVFV6T/bundle.json","state_url":"https://pith.science/pith/Q2CBPJSISOO33KYKVBHQMVFV6T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q2CBPJSISOO33KYKVBHQMVFV6T/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":"2026-06-09T23:04:40Z","links":{"resolver":"https://pith.science/pith/Q2CBPJSISOO33KYKVBHQMVFV6T","bundle":"https://pith.science/pith/Q2CBPJSISOO33KYKVBHQMVFV6T/bundle.json","state":"https://pith.science/pith/Q2CBPJSISOO33KYKVBHQMVFV6T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q2CBPJSISOO33KYKVBHQMVFV6T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:Q2CBPJSISOO33KYKVBHQMVFV6T","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":"ae9448cb0ca792ae07b72c0de32d3856a8cb86563f8dc30eb3e5afb0b94b33f0","cross_cats_sorted":[],"license":"","primary_cat":"nlin.CD","submitted_at":"2005-01-21T17:31:43Z","title_canon_sha256":"34c212c9abf94c7c15f8ce7fc1597fe900a942ec6453d00e4ea27d741ad53782"},"schema_version":"1.0","source":{"id":"nlin/0501040","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nlin/0501040","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"arxiv_version","alias_value":"nlin/0501040v1","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nlin/0501040","created_at":"2026-05-18T01:38:18Z"},{"alias_kind":"pith_short_12","alias_value":"Q2CBPJSISOO3","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"Q2CBPJSISOO33KYK","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"Q2CBPJSI","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:72f5b7ced3af4a79c27c2d4280ca0132e9ad9302c97237e909199842aa0d5c38","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":"Chaos, oscillations, instabilities, intermittency represent only some nonlinear examples apparent in natural world. These phenomena appear in any field of study, and advances in complex and nonlinear dynamic techniques bring about opportunities to better understand animal signals.\n  In this work we suggest an analysis method based on the characterization of the vocal fold dynamics by means of the nonlinear time series analysis, and by the computations of the parameters typical of chaotic oscillations: Attractor reconstruction, Spectrum of Lyapunov Exponents and Maximum Lyapunov Exponent was us","authors_text":"A. Facchini, M. Rustici, N. Marchettini, S. Bastianoni","cross_cats":[],"headline":"","license":"","primary_cat":"nlin.CD","submitted_at":"2005-01-21T17:31:43Z","title":"Characterization of chaotic dynamics in the vocalization of Cervus elaphus corsicanus"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nlin/0501040","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":"sha256:3c3651b4ffcde68e6a4f75a042f4f543e1718470f3864958471bfa7794780ca9","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":"ae9448cb0ca792ae07b72c0de32d3856a8cb86563f8dc30eb3e5afb0b94b33f0","cross_cats_sorted":[],"license":"","primary_cat":"nlin.CD","submitted_at":"2005-01-21T17:31:43Z","title_canon_sha256":"34c212c9abf94c7c15f8ce7fc1597fe900a942ec6453d00e4ea27d741ad53782"},"schema_version":"1.0","source":{"id":"nlin/0501040","kind":"arxiv","version":1}},"canonical_sha256":"868417a648939dbdab0aa84f0654b5f4e6c44018b28a95c2625b4a59a3cef0bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"868417a648939dbdab0aa84f0654b5f4e6c44018b28a95c2625b4a59a3cef0bc","first_computed_at":"2026-05-18T01:38:18.793293Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:18.793293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jRrUdOYEk4GtSmHgowy1k6Ivncptp5qWxzIu1y8R9xEfohIUbM9ZZs/7lW43YgHblEI4sGL7RtQGYd7ZEtRiCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:18.793867Z","signed_message":"canonical_sha256_bytes"},"source_id":"nlin/0501040","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c3651b4ffcde68e6a4f75a042f4f543e1718470f3864958471bfa7794780ca9","sha256:72f5b7ced3af4a79c27c2d4280ca0132e9ad9302c97237e909199842aa0d5c38"],"state_sha256":"798bc7dcd58ed7c30d41481961e0bb9795b2639a5c9c23cd5706b23820acc6fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nAmyVDPiVX43GHv0KMyknF8Yok8O3LyFnpfcCo7abCByXjx7zjYEpXvd4lbunH7/LrQH+pk6Jp5wregEruEICQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T23:04:40.917226Z","bundle_sha256":"de53d9ae63be4ad63e9ec1bd737a7ebb98a13613a6fcc66121208a444db2fe14"}}