{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FX3YNVBYJ3DRMTFTRLP6YI5GOW","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":"ac9513b0b298f6b54c11657d318cd7b9c74c9d7f2bbec743e2885e0638fbb890","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-28T00:59:16Z","title_canon_sha256":"f4ff154cc7b091ff2125e139d7fca2537f7f735f9f12c504e00ac76543129a6d"},"schema_version":"1.0","source":{"id":"1807.11474","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.11474","created_at":"2026-05-17T23:59:52Z"},{"alias_kind":"arxiv_version","alias_value":"1807.11474v3","created_at":"2026-05-17T23:59:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.11474","created_at":"2026-05-17T23:59:52Z"},{"alias_kind":"pith_short_12","alias_value":"FX3YNVBYJ3DR","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"FX3YNVBYJ3DRMTFT","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"FX3YNVBY","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:e1963f5e57712545cc4e56f8431f124aed7f60ca28844f0eaac9877d1e67581f","target":"graph","created_at":"2026-05-17T23:59:52Z","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":"Pulsars are stars that emit electromagnetic radiation in well-defined time intervals. The frequency of such pulses decays with time as is quantified by the {\\it braking index} ($n$). In the canonical model $n = 3$ for all pulsars, but observational data show that $n \\neq 3$, indicating a limitation of the model. In this work we present a new approach to study the frequency decay of the rotation of a pulsar, based on an adaptation of the canonical one. We consider the pulsar a star that rotates in vacuum and has a strong magnetic field but, differently from the canonical model, we assume that i","authors_text":"C. Frajuca, G. A. Carvalho, H. O. Oliveira, N. S. Magalhaes, R. M. Marinho Jr.","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-28T00:59:16Z","title":"Relating Braking Indices of Young Pulsars to the Dynamics of Superfluid Cores"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.11474","kind":"arxiv","version":3},"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":"sha256:1d05726cbc328f94d078032b01cabaf991f2836838608c361fefe9653dbe3832","target":"record","created_at":"2026-05-17T23:59:52Z","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":"ac9513b0b298f6b54c11657d318cd7b9c74c9d7f2bbec743e2885e0638fbb890","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-07-28T00:59:16Z","title_canon_sha256":"f4ff154cc7b091ff2125e139d7fca2537f7f735f9f12c504e00ac76543129a6d"},"schema_version":"1.0","source":{"id":"1807.11474","kind":"arxiv","version":3}},"canonical_sha256":"2df786d4384ec7164cb38adfec23a6758bb21c113b5c1f05ac6389024dab2a23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2df786d4384ec7164cb38adfec23a6758bb21c113b5c1f05ac6389024dab2a23","first_computed_at":"2026-05-17T23:59:52.057481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:52.057481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1vZaevMwJ0if/fRax6ExMF1eSYAoFlNXGNX92zBmSxq4QtsdUOqMVjtmhPwZ7yRPCHAuq0hvAvtrxiz6ybuaDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:52.057968Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.11474","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d05726cbc328f94d078032b01cabaf991f2836838608c361fefe9653dbe3832","sha256:e1963f5e57712545cc4e56f8431f124aed7f60ca28844f0eaac9877d1e67581f"],"state_sha256":"f8c07cb7d436f5e26a69231af9809dbc09d08d2d91d98fb995e3247c004ee613"}