{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:Q7SZHKK5CNSA4Q4HKYQTGOM7DD","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":"9d896f7ecf7b8dd371d998708cf76642dc46896fbbd41a58a566866aa2c72f30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DS","submitted_at":"2012-02-27T10:10:43Z","title_canon_sha256":"deb193c22fd8e9beb317f5ea38e959c07917aa83e5cc818aebd1686bcca4d0cf"},"schema_version":"1.0","source":{"id":"1202.5878","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5878","created_at":"2026-05-18T04:01:24Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5878v1","created_at":"2026-05-18T04:01:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5878","created_at":"2026-05-18T04:01:24Z"},{"alias_kind":"pith_short_12","alias_value":"Q7SZHKK5CNSA","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q7SZHKK5CNSA4Q4H","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q7SZHKK5","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:69f32762a27aa3140cc3664b81727b18916afbe3a0969ee7da97e83b2b0585f7","target":"graph","created_at":"2026-05-18T04:01:24Z","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 note, a short-cut is proposed to shorten the proof which has been previously presented for non existence of periodic solutions in time invariant fractional order systems.","authors_text":"Mohammad Haeri, Mohammad Saleh Tavazoei","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DS","submitted_at":"2012-02-27T10:10:43Z","title":"A Simplification in the proof presented for non existence of periodic solutions in time invariant fractional order systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5878","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:ca969fb4139cd308b040e17f36a96e93ba76a0364b9f180e7973e145e00e805d","target":"record","created_at":"2026-05-18T04:01:24Z","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":"9d896f7ecf7b8dd371d998708cf76642dc46896fbbd41a58a566866aa2c72f30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.DS","submitted_at":"2012-02-27T10:10:43Z","title_canon_sha256":"deb193c22fd8e9beb317f5ea38e959c07917aa83e5cc818aebd1686bcca4d0cf"},"schema_version":"1.0","source":{"id":"1202.5878","kind":"arxiv","version":1}},"canonical_sha256":"87e593a95d13640e4387562133399f18fa666fc082a828adce64eee67b33a5e9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"87e593a95d13640e4387562133399f18fa666fc082a828adce64eee67b33a5e9","first_computed_at":"2026-05-18T04:01:24.408849Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:01:24.408849Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LBcoVaUhsbv9ix5hZZHFWx5vOAtyayA/4xVrNSMif+lKGKmrwocz3FXOpWnZuCoQepBs29Hf3FLvQaBqMPgyDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:01:24.409629Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.5878","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca969fb4139cd308b040e17f36a96e93ba76a0364b9f180e7973e145e00e805d","sha256:69f32762a27aa3140cc3664b81727b18916afbe3a0969ee7da97e83b2b0585f7"],"state_sha256":"31272dae4554ca5239f54d90228cce89ccd28e99cf44d684ff932caa24fec06f"}