{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:P2KTKO553L4HQXGVQXVK6FMGLS","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"182bfc8476ae932502e9bfaf37ef9850dc8f860343b78dc21d256e040177f8bf","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-12-08T13:45:12Z","title_canon_sha256":"2460b2a249ce71cba1e00b8158200f7e5bd4c4a7f6db8fbaed0726dc9296e392"},"schema_version":"1.0","source":{"id":"0812.1488","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.1488","created_at":"2026-05-18T02:15:11Z"},{"alias_kind":"arxiv_version","alias_value":"0812.1488v2","created_at":"2026-05-18T02:15:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.1488","created_at":"2026-05-18T02:15:11Z"},{"alias_kind":"pith_short_12","alias_value":"P2KTKO553L4H","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"P2KTKO553L4HQXGV","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"P2KTKO55","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:360feacacb7d83a1ccddd6ad0f84d22e3e1c626dee7a16d3461b4578ed047856","target":"graph","created_at":"2026-05-18T02:15:11Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We develop a systematic approach to construct novel completely solvable rational potentials. Second-order supersymmetric quantum mechanics dictates the latter to be isospectral to some well-studied quantum systems. $\\cal PT$ symmetry may facilitate reconciling our approach to the requirement that the rationally-extended potentials be singularity free. Some examples are shown.","authors_text":"B. Bagchi, C. Quesne, R. Roychoudhury","cross_cats":["hep-th","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-12-08T13:45:12Z","title":"Isospectrality of conventional and new extended potentials, second-order supersymmetry and role of PT symmetry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.1488","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:577f4e7ac8e74970aafa49373e4ff276936f6d9d9506ae39b16c6d8f8ce9017d","target":"record","created_at":"2026-05-18T02:15:11Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"182bfc8476ae932502e9bfaf37ef9850dc8f860343b78dc21d256e040177f8bf","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-12-08T13:45:12Z","title_canon_sha256":"2460b2a249ce71cba1e00b8158200f7e5bd4c4a7f6db8fbaed0726dc9296e392"},"schema_version":"1.0","source":{"id":"0812.1488","kind":"arxiv","version":2}},"canonical_sha256":"7e95353bbddaf8785cd585eaaf15865caae19bfc97233d9495aa55ff391547f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e95353bbddaf8785cd585eaaf15865caae19bfc97233d9495aa55ff391547f4","first_computed_at":"2026-05-18T02:15:11.431065Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:11.431065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"51ijct9ysFOLWmTfMy7YGJi1wN79/OUcn2CPQ4ZpLKFld/OO6qBWEEqP2K/81Cn0TKRfp6eFKaSt+1gBF76qDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:11.431719Z","signed_message":"canonical_sha256_bytes"},"source_id":"0812.1488","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:577f4e7ac8e74970aafa49373e4ff276936f6d9d9506ae39b16c6d8f8ce9017d","sha256:360feacacb7d83a1ccddd6ad0f84d22e3e1c626dee7a16d3461b4578ed047856"],"state_sha256":"1095ec8fa28694d2d66a2460cc7916522442cf2c957852c3cb11467df66a5125"}