{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BMQDKHVTMCXQXCQNGACZPNOAOU","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":"3de7b0ff5824a067b9a8bda2ed6543a99c0ead5d13f7f93352b63d796a008a43","cross_cats_sorted":["math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-03-16T03:33:39Z","title_canon_sha256":"e0b2b28c83dd99e81f2db926ce7683598b988534ad8264d6d6d3c630d7833a03"},"schema_version":"1.0","source":{"id":"1303.3941","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.3941","created_at":"2026-05-18T03:30:40Z"},{"alias_kind":"arxiv_version","alias_value":"1303.3941v1","created_at":"2026-05-18T03:30:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3941","created_at":"2026-05-18T03:30:40Z"},{"alias_kind":"pith_short_12","alias_value":"BMQDKHVTMCXQ","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"BMQDKHVTMCXQXCQN","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"BMQDKHVT","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:e18a9866fae0977345ac20078ace42fe78a49e51af70a23a1dc4c71d43bf0396","target":"graph","created_at":"2026-05-18T03:30:40Z","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":"Comparison of numerical performances of two methods for coefficient inverse problems is described. The first one is the classical Gel'fand-Levitan-Krein equation method, and the second one is the recently developed approximately globally convergent numerical method. This comparison is performed for both computationally simulated and experimental data.","authors_text":"Anders Sullivan, Andrey L. Karchevsky, Lam Nguyen, Michael V. Klibanov, Natee Pantong","cross_cats":["math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-03-16T03:33:39Z","title":"The Gel'fand-Levitan-Krein method and the globally convergent method for experimental data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3941","kind":"arxiv","version":1},"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":"sha256:018d898aac08876a1e2f5e56e6e6196f4b7157fa81ada7314287240b0f231473","target":"record","created_at":"2026-05-18T03:30:40Z","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":"3de7b0ff5824a067b9a8bda2ed6543a99c0ead5d13f7f93352b63d796a008a43","cross_cats_sorted":["math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2013-03-16T03:33:39Z","title_canon_sha256":"e0b2b28c83dd99e81f2db926ce7683598b988534ad8264d6d6d3c630d7833a03"},"schema_version":"1.0","source":{"id":"1303.3941","kind":"arxiv","version":1}},"canonical_sha256":"0b20351eb360af0b8a0d300597b5c0753c1d02ecf2328c5f93b86591084cd219","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b20351eb360af0b8a0d300597b5c0753c1d02ecf2328c5f93b86591084cd219","first_computed_at":"2026-05-18T03:30:40.464346Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:30:40.464346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vUQ58Xrj1axxvPKjmyXWDjLNMKrIHfZgXgDYyvw+9QH4KOiEklxcBencPx60B83uQJPnRQyvthBkyLbhMuidAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:30:40.465084Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.3941","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:018d898aac08876a1e2f5e56e6e6196f4b7157fa81ada7314287240b0f231473","sha256:e18a9866fae0977345ac20078ace42fe78a49e51af70a23a1dc4c71d43bf0396"],"state_sha256":"f51e9b445a040514a35fa559e412a2e251299d16b8fb15107d72d20ff771fe6d"}