{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:SCPVYOIZL3HPXA7WHIZYQTFO55","short_pith_number":"pith:SCPVYOIZ","schema_version":"1.0","canonical_sha256":"909f5c39195ecefb83f63a33884caeef5b4ab3d78ef89b23495cbef7c5eaf331","source":{"kind":"arxiv","id":"1709.08440","version":1},"attestation_state":"computed","paper":{"title":"Heun polynomials and exact solutions for the massless Dirac particle in the C-metric","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Ananda Dasgupta, Prasanta K. Panigrahi, Priyasri Kar, Ritesh K. Singh","submitted_at":"2017-09-25T12:01:26Z","abstract_excerpt":"The equation of motion of a massless Dirac particle in the C-metric leads to the general Heun equation (GHE) for the radial and the polar variables. The GHE, under certain parametric conditions, has been cast in terms of a new set of $su(1,1)$ generators involving differential operators of \\emph{degrees} $\\pm 1/2$ and $0$. Additional \\emph{Heun polynomials} are obtained using this new algebraic structure and are used to construct some exact solutions for the radial and the polar parts of the Dirac equation."},"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":"1709.08440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-25T12:01:26Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"39a0eb0ed06bd6df54f157761d2becc1bdca135c9b2dcebb6c3c197928aad8a2","abstract_canon_sha256":"b251b72db6c0ff1ab8c11609a0b7c91f981583385ee857df4c66a22e93658ae4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:31.263044Z","signature_b64":"YCtWZG1AgUPntKC34qg/yVCB4c0crqr36NAJRUL13HZe8Rmd/ABaoXfJXmp78s+Vm6svABTr2P/dlK2X5xWeBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"909f5c39195ecefb83f63a33884caeef5b4ab3d78ef89b23495cbef7c5eaf331","last_reissued_at":"2026-05-18T00:16:31.262420Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:31.262420Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Heun polynomials and exact solutions for the massless Dirac particle in the C-metric","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Ananda Dasgupta, Prasanta K. Panigrahi, Priyasri Kar, Ritesh K. Singh","submitted_at":"2017-09-25T12:01:26Z","abstract_excerpt":"The equation of motion of a massless Dirac particle in the C-metric leads to the general Heun equation (GHE) for the radial and the polar variables. The GHE, under certain parametric conditions, has been cast in terms of a new set of $su(1,1)$ generators involving differential operators of \\emph{degrees} $\\pm 1/2$ and $0$. Additional \\emph{Heun polynomials} are obtained using this new algebraic structure and are used to construct some exact solutions for the radial and the polar parts of the Dirac equation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.08440","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":"1709.08440","created_at":"2026-05-18T00:16:31.262504+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.08440v1","created_at":"2026-05-18T00:16:31.262504+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.08440","created_at":"2026-05-18T00:16:31.262504+00:00"},{"alias_kind":"pith_short_12","alias_value":"SCPVYOIZL3HP","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_16","alias_value":"SCPVYOIZL3HPXA7W","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_8","alias_value":"SCPVYOIZ","created_at":"2026-05-18T12:31:43.269735+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/SCPVYOIZL3HPXA7WHIZYQTFO55","json":"https://pith.science/pith/SCPVYOIZL3HPXA7WHIZYQTFO55.json","graph_json":"https://pith.science/api/pith-number/SCPVYOIZL3HPXA7WHIZYQTFO55/graph.json","events_json":"https://pith.science/api/pith-number/SCPVYOIZL3HPXA7WHIZYQTFO55/events.json","paper":"https://pith.science/paper/SCPVYOIZ"},"agent_actions":{"view_html":"https://pith.science/pith/SCPVYOIZL3HPXA7WHIZYQTFO55","download_json":"https://pith.science/pith/SCPVYOIZL3HPXA7WHIZYQTFO55.json","view_paper":"https://pith.science/paper/SCPVYOIZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.08440&json=true","fetch_graph":"https://pith.science/api/pith-number/SCPVYOIZL3HPXA7WHIZYQTFO55/graph.json","fetch_events":"https://pith.science/api/pith-number/SCPVYOIZL3HPXA7WHIZYQTFO55/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SCPVYOIZL3HPXA7WHIZYQTFO55/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SCPVYOIZL3HPXA7WHIZYQTFO55/action/storage_attestation","attest_author":"https://pith.science/pith/SCPVYOIZL3HPXA7WHIZYQTFO55/action/author_attestation","sign_citation":"https://pith.science/pith/SCPVYOIZL3HPXA7WHIZYQTFO55/action/citation_signature","submit_replication":"https://pith.science/pith/SCPVYOIZL3HPXA7WHIZYQTFO55/action/replication_record"}},"created_at":"2026-05-18T00:16:31.262504+00:00","updated_at":"2026-05-18T00:16:31.262504+00:00"}