{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:S7JJQNRA5MSXIH7AS3UZ45FQEH","short_pith_number":"pith:S7JJQNRA","schema_version":"1.0","canonical_sha256":"97d2983620eb25741fe096e99e74b021e04754866a87e70bc47593b4a2991b33","source":{"kind":"arxiv","id":"1904.08719","version":1},"attestation_state":"computed","paper":{"title":"A general method for central potentials in quantum mechanics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Amlan K. Roy","submitted_at":"2019-04-18T12:14:43Z","abstract_excerpt":"We focus on a recently developed generalized pseudospectral method for accurate, efficient treatment of certain central potentials of interest in various branches in quantum mechanics, usually having singularity. Essentially this allows optimal, nonuniform spatial discretization of the pertinent single-particle Schrodinger equation satisfying Dirichlet boundary condition leading to standard diagonalization of symmetric matrices. Its validity and feasibility have been demonstrated for a wide range of important potentials such as Hulth\\'en, Yukawa, generalized spiked harmonic oscillators, Hellma"},"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":"1904.08719","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-04-18T12:14:43Z","cross_cats_sorted":[],"title_canon_sha256":"a35825654ea2d935bd3f641aa5e5ed8ccdce5390bc53c399de572a21d2659480","abstract_canon_sha256":"63d51d391d0fe9f0dcb4e8f8b2b52b579c62238d512416d64d5a3917d5f7bc78"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:13.250067Z","signature_b64":"1hCvGtCq0HKxZ8gZH8Aiq8bcdH9rFQpV/1wRLWTPU7QtmZXLe9orsvQ94xM1dbf/NNsMHkYfDYoinjiMHOhcCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97d2983620eb25741fe096e99e74b021e04754866a87e70bc47593b4a2991b33","last_reissued_at":"2026-05-17T23:48:13.249379Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:13.249379Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A general method for central potentials in quantum mechanics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Amlan K. Roy","submitted_at":"2019-04-18T12:14:43Z","abstract_excerpt":"We focus on a recently developed generalized pseudospectral method for accurate, efficient treatment of certain central potentials of interest in various branches in quantum mechanics, usually having singularity. Essentially this allows optimal, nonuniform spatial discretization of the pertinent single-particle Schrodinger equation satisfying Dirichlet boundary condition leading to standard diagonalization of symmetric matrices. Its validity and feasibility have been demonstrated for a wide range of important potentials such as Hulth\\'en, Yukawa, generalized spiked harmonic oscillators, Hellma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.08719","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":"1904.08719","created_at":"2026-05-17T23:48:13.249491+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.08719v1","created_at":"2026-05-17T23:48:13.249491+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.08719","created_at":"2026-05-17T23:48:13.249491+00:00"},{"alias_kind":"pith_short_12","alias_value":"S7JJQNRA5MSX","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_16","alias_value":"S7JJQNRA5MSXIH7A","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_8","alias_value":"S7JJQNRA","created_at":"2026-05-18T12:33:27.125529+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/S7JJQNRA5MSXIH7AS3UZ45FQEH","json":"https://pith.science/pith/S7JJQNRA5MSXIH7AS3UZ45FQEH.json","graph_json":"https://pith.science/api/pith-number/S7JJQNRA5MSXIH7AS3UZ45FQEH/graph.json","events_json":"https://pith.science/api/pith-number/S7JJQNRA5MSXIH7AS3UZ45FQEH/events.json","paper":"https://pith.science/paper/S7JJQNRA"},"agent_actions":{"view_html":"https://pith.science/pith/S7JJQNRA5MSXIH7AS3UZ45FQEH","download_json":"https://pith.science/pith/S7JJQNRA5MSXIH7AS3UZ45FQEH.json","view_paper":"https://pith.science/paper/S7JJQNRA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.08719&json=true","fetch_graph":"https://pith.science/api/pith-number/S7JJQNRA5MSXIH7AS3UZ45FQEH/graph.json","fetch_events":"https://pith.science/api/pith-number/S7JJQNRA5MSXIH7AS3UZ45FQEH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S7JJQNRA5MSXIH7AS3UZ45FQEH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S7JJQNRA5MSXIH7AS3UZ45FQEH/action/storage_attestation","attest_author":"https://pith.science/pith/S7JJQNRA5MSXIH7AS3UZ45FQEH/action/author_attestation","sign_citation":"https://pith.science/pith/S7JJQNRA5MSXIH7AS3UZ45FQEH/action/citation_signature","submit_replication":"https://pith.science/pith/S7JJQNRA5MSXIH7AS3UZ45FQEH/action/replication_record"}},"created_at":"2026-05-17T23:48:13.249491+00:00","updated_at":"2026-05-17T23:48:13.249491+00:00"}