{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:SXLHVZRCL4MAFQBPV2GO7GJXYF","short_pith_number":"pith:SXLHVZRC","schema_version":"1.0","canonical_sha256":"95d67ae6225f1802c02fae8cef9937c1618f371e8275d8c6ef834f7b6fb40645","source":{"kind":"arxiv","id":"1404.6467","version":1},"attestation_state":"computed","paper":{"title":"Time-dependent R-matrix theory applied to two-photon double ionization of He","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"H.W. van der Hart","submitted_at":"2014-04-25T16:03:03Z","abstract_excerpt":"We introduce a time-dependent R-matrix theory generalised to describe double ionization processes. The method is used to investigate two-photon double ionization of He by intense XUV laser radiation. We combine a detailed B-spline-based wavefunction description in a extended inner region with a single-electron outer region containing channels representing both single ionization and double ionization. A comparison of wavefunction densities for different box sizes demonstrates that the flow between the two regions is described with excellent accuracy. The obtained two-photon double ionization cr"},"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":"1404.6467","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2014-04-25T16:03:03Z","cross_cats_sorted":[],"title_canon_sha256":"8a82b893ff177c7be0cad9c48e71f46e6900770cdeb07c6e0c7e8322e6b59e14","abstract_canon_sha256":"669e6c248508443145c2a29ef2db03fc4f4ca0f6c6994e320ca576393724b5f6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:58.304105Z","signature_b64":"FlT1YjmSprTjv5it4wbyJCCGQPHW4a1fw9H8wtc3dtdKP7Qw+zV0BOlRl1rKO0QJmOzTiLP+5K1BVyaobQd0BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95d67ae6225f1802c02fae8cef9937c1618f371e8275d8c6ef834f7b6fb40645","last_reissued_at":"2026-05-18T02:51:58.303686Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:58.303686Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Time-dependent R-matrix theory applied to two-photon double ionization of He","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"H.W. van der Hart","submitted_at":"2014-04-25T16:03:03Z","abstract_excerpt":"We introduce a time-dependent R-matrix theory generalised to describe double ionization processes. The method is used to investigate two-photon double ionization of He by intense XUV laser radiation. We combine a detailed B-spline-based wavefunction description in a extended inner region with a single-electron outer region containing channels representing both single ionization and double ionization. A comparison of wavefunction densities for different box sizes demonstrates that the flow between the two regions is described with excellent accuracy. The obtained two-photon double ionization cr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.6467","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":"1404.6467","created_at":"2026-05-18T02:51:58.303754+00:00"},{"alias_kind":"arxiv_version","alias_value":"1404.6467v1","created_at":"2026-05-18T02:51:58.303754+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.6467","created_at":"2026-05-18T02:51:58.303754+00:00"},{"alias_kind":"pith_short_12","alias_value":"SXLHVZRCL4MA","created_at":"2026-05-18T12:28:49.207871+00:00"},{"alias_kind":"pith_short_16","alias_value":"SXLHVZRCL4MAFQBP","created_at":"2026-05-18T12:28:49.207871+00:00"},{"alias_kind":"pith_short_8","alias_value":"SXLHVZRC","created_at":"2026-05-18T12:28:49.207871+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/SXLHVZRCL4MAFQBPV2GO7GJXYF","json":"https://pith.science/pith/SXLHVZRCL4MAFQBPV2GO7GJXYF.json","graph_json":"https://pith.science/api/pith-number/SXLHVZRCL4MAFQBPV2GO7GJXYF/graph.json","events_json":"https://pith.science/api/pith-number/SXLHVZRCL4MAFQBPV2GO7GJXYF/events.json","paper":"https://pith.science/paper/SXLHVZRC"},"agent_actions":{"view_html":"https://pith.science/pith/SXLHVZRCL4MAFQBPV2GO7GJXYF","download_json":"https://pith.science/pith/SXLHVZRCL4MAFQBPV2GO7GJXYF.json","view_paper":"https://pith.science/paper/SXLHVZRC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1404.6467&json=true","fetch_graph":"https://pith.science/api/pith-number/SXLHVZRCL4MAFQBPV2GO7GJXYF/graph.json","fetch_events":"https://pith.science/api/pith-number/SXLHVZRCL4MAFQBPV2GO7GJXYF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SXLHVZRCL4MAFQBPV2GO7GJXYF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SXLHVZRCL4MAFQBPV2GO7GJXYF/action/storage_attestation","attest_author":"https://pith.science/pith/SXLHVZRCL4MAFQBPV2GO7GJXYF/action/author_attestation","sign_citation":"https://pith.science/pith/SXLHVZRCL4MAFQBPV2GO7GJXYF/action/citation_signature","submit_replication":"https://pith.science/pith/SXLHVZRCL4MAFQBPV2GO7GJXYF/action/replication_record"}},"created_at":"2026-05-18T02:51:58.303754+00:00","updated_at":"2026-05-18T02:51:58.303754+00:00"}