{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:A3WIW5KMYW73ND3I4CRTKV3OGI","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":"461076de7a2da82a35cb71764d454bc2b9d1b395986d858165e51c9746ad3a2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-11-06T11:36:18Z","title_canon_sha256":"be3fdd663080ac1b1fef39a3d08f857c60ec59806c82431ccb04a133b1d4c37e"},"schema_version":"1.0","source":{"id":"1311.1355","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.1355","created_at":"2026-05-18T01:26:25Z"},{"alias_kind":"arxiv_version","alias_value":"1311.1355v2","created_at":"2026-05-18T01:26:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1355","created_at":"2026-05-18T01:26:25Z"},{"alias_kind":"pith_short_12","alias_value":"A3WIW5KMYW73","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"A3WIW5KMYW73ND3I","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"A3WIW5KM","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:b259052b5d2930c50f6ccb3092edeab08a874803688116f55e2771ca360f875e","target":"graph","created_at":"2026-05-18T01:26:25Z","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 present a code for solving the single-particle, time-independent Schr\\\"odinger equation in two dimensions. Our program utilizes the imaginary time propagation (ITP) algorithm, and it includes the most recent developments in the ITP method: the arbitrary order operator factorization and the exact inclusion of a (possibly very strong) magnetic field. Our program is able to solve thousands of eigenstates of a two-dimensional quantum system in reasonable time with commonly available hardware. The main motivation behind our work is to allow the study of highly excited states and energy spectra o","authors_text":"E. R\\\"as\\\"anen, P. J. J. Luukko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-11-06T11:36:18Z","title":"Imaginary time propagation code for large-scale two-dimensional eigenvalue problems in magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1355","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:ae95763bc63d44c28ce4ed132d69447bd7d9a5612a1f8c1e0c75a3017d602b39","target":"record","created_at":"2026-05-18T01:26:25Z","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":"461076de7a2da82a35cb71764d454bc2b9d1b395986d858165e51c9746ad3a2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-11-06T11:36:18Z","title_canon_sha256":"be3fdd663080ac1b1fef39a3d08f857c60ec59806c82431ccb04a133b1d4c37e"},"schema_version":"1.0","source":{"id":"1311.1355","kind":"arxiv","version":2}},"canonical_sha256":"06ec8b754cc5bfb68f68e0a335576e3232512e2e5a41458300a8ab15cb0c1a70","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06ec8b754cc5bfb68f68e0a335576e3232512e2e5a41458300a8ab15cb0c1a70","first_computed_at":"2026-05-18T01:26:25.691729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:25.691729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/xcuR8Z7vNAY6xEJYl9yRJIuQFJA6i5D+geY8lA/UOP1+XJoN1Accc634OhX00KMJECqyvoT+PAy5GL+PIHyCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:25.692278Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.1355","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae95763bc63d44c28ce4ed132d69447bd7d9a5612a1f8c1e0c75a3017d602b39","sha256:b259052b5d2930c50f6ccb3092edeab08a874803688116f55e2771ca360f875e"],"state_sha256":"9d360dea3339cb0a11eb5e6149b7d68a0a23984d9f445a3b9456268f638b4e09"}