{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:W5PIKXUDSCWMOM5HMBIWLLSLT3","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":"dccb8ad4cc048ddd76375163b23c28ffb3be6635d70243d8f83064d6887c2573","cross_cats_sorted":["math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2011-03-09T21:36:37Z","title_canon_sha256":"f6c21fdc71bc182d355cdfa37553b95803c806a003f04e616a5f9d836baa299c"},"schema_version":"1.0","source":{"id":"1103.1895","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.1895","created_at":"2026-05-18T02:02:55Z"},{"alias_kind":"arxiv_version","alias_value":"1103.1895v1","created_at":"2026-05-18T02:02:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1895","created_at":"2026-05-18T02:02:55Z"},{"alias_kind":"pith_short_12","alias_value":"W5PIKXUDSCWM","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"W5PIKXUDSCWMOM5H","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"W5PIKXUD","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:3183eb7c4760376d86fc952acc59ed521c42f61876de561b8a49a967372be873","target":"graph","created_at":"2026-05-18T02:02:55Z","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 discuss a recent application of a variational homotopy perturbation method to rather simple nonlinear oscillators . We show that the main equations are inconsistent and for that reason the results may be of scarce utility.","authors_text":"Francisco M. Fern\\'andez","cross_cats":["math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2011-03-09T21:36:37Z","title":"On the variational homotopy perturbation method for nonlinear oscillators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1895","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":"sha256:8470a00a0f9e3a2d6c14f65f7ed672470f4f56dfa090d7f163e23c5f537acff5","target":"record","created_at":"2026-05-18T02:02:55Z","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":"dccb8ad4cc048ddd76375163b23c28ffb3be6635d70243d8f83064d6887c2573","cross_cats_sorted":["math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2011-03-09T21:36:37Z","title_canon_sha256":"f6c21fdc71bc182d355cdfa37553b95803c806a003f04e616a5f9d836baa299c"},"schema_version":"1.0","source":{"id":"1103.1895","kind":"arxiv","version":1}},"canonical_sha256":"b75e855e8390acc733a7605165ae4b9eefafa07f149973d9859d4f8946b77ff7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b75e855e8390acc733a7605165ae4b9eefafa07f149973d9859d4f8946b77ff7","first_computed_at":"2026-05-18T02:02:55.456020Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:55.456020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UVcyTKbQlEUK+Gh5hqBToFlJYDoWQc6oJcOj3Eml/qOubP/m9YEaFZXkemoRdrY7427QBF6T5bPHy/RvYtrvAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:55.456482Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.1895","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8470a00a0f9e3a2d6c14f65f7ed672470f4f56dfa090d7f163e23c5f537acff5","sha256:3183eb7c4760376d86fc952acc59ed521c42f61876de561b8a49a967372be873"],"state_sha256":"5a0a33c09adb6dce957771a0bd0b77c0005aba03ccfa9e43fcf73c969089948c"}