{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:76TCIPHRZVOQ7PROEOGAWDKCYE","short_pith_number":"pith:76TCIPHR","schema_version":"1.0","canonical_sha256":"ffa6243cf1cd5d0fbe2e238c0b0d42c11ff7c2761bc75dd90b78140187f578ab","source":{"kind":"arxiv","id":"2002.09483","version":1},"attestation_state":"computed","paper":{"title":"A reliable description of the radial oscillations of compact stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Francesco Di Clemente, Francesco Tonelli, Massimo Mannarelli","submitted_at":"2020-02-21T19:48:11Z","abstract_excerpt":"We develop a numerical algorithm for the solution of the Sturm-Liouville differential equation governing the stationary radial oscillations of nonrotating compact stars. Our method is based on the Numerov's method that turns the Sturm-Liouville differential equation in an eigenvalue problem. In our development we provide a strategy to correctly deal with the star boundaries and the interfaces between layers with different mechanical properties. Assuming that the fluctuations obey the same equation of state of the background, we analyze various different stellar models and we precisely determin"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2002.09483","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-02-21T19:48:11Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"5a3ee53b573057a0a2e623058d1c50468744343ec7cbe918e087512304ed092c","abstract_canon_sha256":"c785889ed5950682b5baf77d4f1cdb76357613d211e950621611b74981de6f94"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:00:40.476949Z","signature_b64":"gJRv/S/4jRUfGQYwBAnzF5UB1r35JNBq6vvwXZRkTWM8foo+3NGa7XeSSPcl5mXmJUeCWSME9S3Je87cIA3PBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ffa6243cf1cd5d0fbe2e238c0b0d42c11ff7c2761bc75dd90b78140187f578ab","last_reissued_at":"2026-07-05T01:00:40.473352Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:00:40.473352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A reliable description of the radial oscillations of compact stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Francesco Di Clemente, Francesco Tonelli, Massimo Mannarelli","submitted_at":"2020-02-21T19:48:11Z","abstract_excerpt":"We develop a numerical algorithm for the solution of the Sturm-Liouville differential equation governing the stationary radial oscillations of nonrotating compact stars. Our method is based on the Numerov's method that turns the Sturm-Liouville differential equation in an eigenvalue problem. In our development we provide a strategy to correctly deal with the star boundaries and the interfaces between layers with different mechanical properties. Assuming that the fluctuations obey the same equation of state of the background, we analyze various different stellar models and we precisely determin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.09483","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2002.09483/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2002.09483","created_at":"2026-07-05T01:00:40.473776+00:00"},{"alias_kind":"arxiv_version","alias_value":"2002.09483v1","created_at":"2026-07-05T01:00:40.473776+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.09483","created_at":"2026-07-05T01:00:40.473776+00:00"},{"alias_kind":"pith_short_12","alias_value":"76TCIPHRZVOQ","created_at":"2026-07-05T01:00:40.473776+00:00"},{"alias_kind":"pith_short_16","alias_value":"76TCIPHRZVOQ7PRO","created_at":"2026-07-05T01:00:40.473776+00:00"},{"alias_kind":"pith_short_8","alias_value":"76TCIPHR","created_at":"2026-07-05T01:00:40.473776+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.29510","citing_title":"Radial oscillations of quark stars in light of current astrophysical constraints: A comparative study","ref_index":22,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/76TCIPHRZVOQ7PROEOGAWDKCYE","json":"https://pith.science/pith/76TCIPHRZVOQ7PROEOGAWDKCYE.json","graph_json":"https://pith.science/api/pith-number/76TCIPHRZVOQ7PROEOGAWDKCYE/graph.json","events_json":"https://pith.science/api/pith-number/76TCIPHRZVOQ7PROEOGAWDKCYE/events.json","paper":"https://pith.science/paper/76TCIPHR"},"agent_actions":{"view_html":"https://pith.science/pith/76TCIPHRZVOQ7PROEOGAWDKCYE","download_json":"https://pith.science/pith/76TCIPHRZVOQ7PROEOGAWDKCYE.json","view_paper":"https://pith.science/paper/76TCIPHR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2002.09483&json=true","fetch_graph":"https://pith.science/api/pith-number/76TCIPHRZVOQ7PROEOGAWDKCYE/graph.json","fetch_events":"https://pith.science/api/pith-number/76TCIPHRZVOQ7PROEOGAWDKCYE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/76TCIPHRZVOQ7PROEOGAWDKCYE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/76TCIPHRZVOQ7PROEOGAWDKCYE/action/storage_attestation","attest_author":"https://pith.science/pith/76TCIPHRZVOQ7PROEOGAWDKCYE/action/author_attestation","sign_citation":"https://pith.science/pith/76TCIPHRZVOQ7PROEOGAWDKCYE/action/citation_signature","submit_replication":"https://pith.science/pith/76TCIPHRZVOQ7PROEOGAWDKCYE/action/replication_record"}},"created_at":"2026-07-05T01:00:40.473776+00:00","updated_at":"2026-07-05T01:00:40.473776+00:00"}