{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:IRU4CN3XHVJSWHDRWL7ZUDWVAZ","short_pith_number":"pith:IRU4CN3X","schema_version":"1.0","canonical_sha256":"4469c137773d532b1c71b2ff9a0ed506690ade0eda38a4f264fb957e1cfdde20","source":{"kind":"arxiv","id":"1310.8473","version":1},"attestation_state":"computed","paper":{"title":"Stationary states of fermions in a sign potential with a mixed vector-scalar coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"A.S. de Castro, W.M. Castilho","submitted_at":"2013-10-31T12:25:54Z","abstract_excerpt":"The scattering of a fermion in the background of a sign potential is considered with a general mixing of vector and scalar Lorentz structures with the scalar coupling stronger than or equal to the vector coupling under the Sturm-Liouville perspective. When the vector coupling and the scalar coupling have different magnitudes, an isolated solution shows that the fermion under a strong potential can be trapped in a highly localized region without manifestation of Klein's paradox. It is also shown that the lonely bound-state solution disappears asymptotically as one approaches the conditions for "},"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":"1310.8473","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-10-31T12:25:54Z","cross_cats_sorted":[],"title_canon_sha256":"a88cc8a14a3c89b6e846f0391c0d6a634d6f073cda56b48fd75263ad62fa49ee","abstract_canon_sha256":"b0c4af0f2f0f19896496598e8b0259097c2e5166092f6fb81b9febac8dc76e03"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:16.913570Z","signature_b64":"6V1NX7dGFa4v9AUb2SJykLWAoX+CKwHmgd6wbx/oTdZ7bXi73Ky2W7VRzBqJbUN7hKhJTKsbGSQiYCo8o2RBBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4469c137773d532b1c71b2ff9a0ed506690ade0eda38a4f264fb957e1cfdde20","last_reissued_at":"2026-05-18T03:08:16.912801Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:16.912801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stationary states of fermions in a sign potential with a mixed vector-scalar coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"A.S. de Castro, W.M. Castilho","submitted_at":"2013-10-31T12:25:54Z","abstract_excerpt":"The scattering of a fermion in the background of a sign potential is considered with a general mixing of vector and scalar Lorentz structures with the scalar coupling stronger than or equal to the vector coupling under the Sturm-Liouville perspective. When the vector coupling and the scalar coupling have different magnitudes, an isolated solution shows that the fermion under a strong potential can be trapped in a highly localized region without manifestation of Klein's paradox. It is also shown that the lonely bound-state solution disappears asymptotically as one approaches the conditions for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.8473","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":"1310.8473","created_at":"2026-05-18T03:08:16.912933+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.8473v1","created_at":"2026-05-18T03:08:16.912933+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.8473","created_at":"2026-05-18T03:08:16.912933+00:00"},{"alias_kind":"pith_short_12","alias_value":"IRU4CN3XHVJS","created_at":"2026-05-18T12:27:49.015174+00:00"},{"alias_kind":"pith_short_16","alias_value":"IRU4CN3XHVJSWHDR","created_at":"2026-05-18T12:27:49.015174+00:00"},{"alias_kind":"pith_short_8","alias_value":"IRU4CN3X","created_at":"2026-05-18T12:27:49.015174+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/IRU4CN3XHVJSWHDRWL7ZUDWVAZ","json":"https://pith.science/pith/IRU4CN3XHVJSWHDRWL7ZUDWVAZ.json","graph_json":"https://pith.science/api/pith-number/IRU4CN3XHVJSWHDRWL7ZUDWVAZ/graph.json","events_json":"https://pith.science/api/pith-number/IRU4CN3XHVJSWHDRWL7ZUDWVAZ/events.json","paper":"https://pith.science/paper/IRU4CN3X"},"agent_actions":{"view_html":"https://pith.science/pith/IRU4CN3XHVJSWHDRWL7ZUDWVAZ","download_json":"https://pith.science/pith/IRU4CN3XHVJSWHDRWL7ZUDWVAZ.json","view_paper":"https://pith.science/paper/IRU4CN3X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.8473&json=true","fetch_graph":"https://pith.science/api/pith-number/IRU4CN3XHVJSWHDRWL7ZUDWVAZ/graph.json","fetch_events":"https://pith.science/api/pith-number/IRU4CN3XHVJSWHDRWL7ZUDWVAZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IRU4CN3XHVJSWHDRWL7ZUDWVAZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IRU4CN3XHVJSWHDRWL7ZUDWVAZ/action/storage_attestation","attest_author":"https://pith.science/pith/IRU4CN3XHVJSWHDRWL7ZUDWVAZ/action/author_attestation","sign_citation":"https://pith.science/pith/IRU4CN3XHVJSWHDRWL7ZUDWVAZ/action/citation_signature","submit_replication":"https://pith.science/pith/IRU4CN3XHVJSWHDRWL7ZUDWVAZ/action/replication_record"}},"created_at":"2026-05-18T03:08:16.912933+00:00","updated_at":"2026-05-18T03:08:16.912933+00:00"}