{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:RC7G3NTBBRQ6DSSEKD3WNH7RD5","short_pith_number":"pith:RC7G3NTB","schema_version":"1.0","canonical_sha256":"88be6db6610c61e1ca4450f7669ff11f47690fbfcf2957eebe803bf2ecf806ef","source":{"kind":"arxiv","id":"1802.06391","version":1},"attestation_state":"computed","paper":{"title":"Orbits in elementary, power-law galaxy bars: 1. Occurence and role of single loops","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Curtis Struck (Iowa State)","submitted_at":"2018-02-18T15:34:24Z","abstract_excerpt":"Orbits in galaxy bars are generally complex, but simple closed loop orbits play an important role in our conceptual understanding of bars. Such orbits are found in some well-studied potentials, provide a simple model of the bar in themselves, and may generate complex orbit families. The precessing, power ellipse (p-ellipse) orbit approximation provides accurate analytic orbit orbits in symmetric galaxy potentials. It remains useful for finding and fitting simple loop orbits in the frame of a rotating bar with bar-like and symmetric power-law potentials. Second order perturbation theory yields "},"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":"1802.06391","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-18T15:34:24Z","cross_cats_sorted":[],"title_canon_sha256":"d3b4e526756b74639bfbcdd3d7402d8b8a0a6020014ea359055851714e18a3be","abstract_canon_sha256":"904d4a8fce5c1d23820b7796d07a658407039db5c192d1caa1f985d8accb29d0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:05.908941Z","signature_b64":"jhhsB4iNnkpPh73+4QS3Jp5tshvBH1q0Vu9pBPANzWcdn6ZbkwSxSLAd/OkfeN6mTU5ujJwZTgId0r/kSMl0Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88be6db6610c61e1ca4450f7669ff11f47690fbfcf2957eebe803bf2ecf806ef","last_reissued_at":"2026-05-18T00:21:05.908115Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:05.908115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Orbits in elementary, power-law galaxy bars: 1. Occurence and role of single loops","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Curtis Struck (Iowa State)","submitted_at":"2018-02-18T15:34:24Z","abstract_excerpt":"Orbits in galaxy bars are generally complex, but simple closed loop orbits play an important role in our conceptual understanding of bars. Such orbits are found in some well-studied potentials, provide a simple model of the bar in themselves, and may generate complex orbit families. The precessing, power ellipse (p-ellipse) orbit approximation provides accurate analytic orbit orbits in symmetric galaxy potentials. It remains useful for finding and fitting simple loop orbits in the frame of a rotating bar with bar-like and symmetric power-law potentials. Second order perturbation theory yields "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.06391","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1802.06391","created_at":"2026-05-18T00:21:05.908186+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.06391v1","created_at":"2026-05-18T00:21:05.908186+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.06391","created_at":"2026-05-18T00:21:05.908186+00:00"},{"alias_kind":"pith_short_12","alias_value":"RC7G3NTBBRQ6","created_at":"2026-05-18T12:32:50.500415+00:00"},{"alias_kind":"pith_short_16","alias_value":"RC7G3NTBBRQ6DSSE","created_at":"2026-05-18T12:32:50.500415+00:00"},{"alias_kind":"pith_short_8","alias_value":"RC7G3NTB","created_at":"2026-05-18T12:32:50.500415+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RC7G3NTBBRQ6DSSEKD3WNH7RD5","json":"https://pith.science/pith/RC7G3NTBBRQ6DSSEKD3WNH7RD5.json","graph_json":"https://pith.science/api/pith-number/RC7G3NTBBRQ6DSSEKD3WNH7RD5/graph.json","events_json":"https://pith.science/api/pith-number/RC7G3NTBBRQ6DSSEKD3WNH7RD5/events.json","paper":"https://pith.science/paper/RC7G3NTB"},"agent_actions":{"view_html":"https://pith.science/pith/RC7G3NTBBRQ6DSSEKD3WNH7RD5","download_json":"https://pith.science/pith/RC7G3NTBBRQ6DSSEKD3WNH7RD5.json","view_paper":"https://pith.science/paper/RC7G3NTB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.06391&json=true","fetch_graph":"https://pith.science/api/pith-number/RC7G3NTBBRQ6DSSEKD3WNH7RD5/graph.json","fetch_events":"https://pith.science/api/pith-number/RC7G3NTBBRQ6DSSEKD3WNH7RD5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RC7G3NTBBRQ6DSSEKD3WNH7RD5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RC7G3NTBBRQ6DSSEKD3WNH7RD5/action/storage_attestation","attest_author":"https://pith.science/pith/RC7G3NTBBRQ6DSSEKD3WNH7RD5/action/author_attestation","sign_citation":"https://pith.science/pith/RC7G3NTBBRQ6DSSEKD3WNH7RD5/action/citation_signature","submit_replication":"https://pith.science/pith/RC7G3NTBBRQ6DSSEKD3WNH7RD5/action/replication_record"}},"created_at":"2026-05-18T00:21:05.908186+00:00","updated_at":"2026-05-18T00:21:05.908186+00:00"}