{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:AN7BNQ7726X7TFF5MTIXIMHKUO","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":"fff3e2ee32eef46d5d131dcf647ffb812aae27c565d3c6bd19f2024ebdb544fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-09-10T14:58:03Z","title_canon_sha256":"1b6f5d3b7292532158d9b537068704300749875943e1dcf3d030cc7b0a4e2b8f"},"schema_version":"1.0","source":{"id":"0909.1964","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.1964","created_at":"2026-05-18T02:11:57Z"},{"alias_kind":"arxiv_version","alias_value":"0909.1964v1","created_at":"2026-05-18T02:11:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.1964","created_at":"2026-05-18T02:11:57Z"},{"alias_kind":"pith_short_12","alias_value":"AN7BNQ7726X7","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"AN7BNQ7726X7TFF5","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"AN7BNQ77","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:cf2f2ecf08be319b3fac587f52f4ee3506d0df602059cd098161d30a79f34963","target":"graph","created_at":"2026-05-18T02:11:57Z","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":"Theoretical approaches to the photoionization of few-electron atoms are discussed. These include nonequilibrium Greens functions and wave function based approaches. In particular, the Multiconfiguration Time-Dependent Hartree-Fock method is discussed and applied to a model one-dimensional atom with four electrons. We compute ground state energies and the time-dependent photoionization by the field a strong laser pulse with two different frequencies in the ultraviolet.","authors_text":"D. Hochstuhl, K. Balzer, M. Bonitz, S. Bauch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-09-10T14:58:03Z","title":"Quantum kinetic approach to time-resolved photoionization of atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.1964","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":"sha256:911dc0b5cf5acca7e8abc5a15f1a6b4ca34cafd38e54836989f539ddf5b21504","target":"record","created_at":"2026-05-18T02:11:57Z","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":"fff3e2ee32eef46d5d131dcf647ffb812aae27c565d3c6bd19f2024ebdb544fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-09-10T14:58:03Z","title_canon_sha256":"1b6f5d3b7292532158d9b537068704300749875943e1dcf3d030cc7b0a4e2b8f"},"schema_version":"1.0","source":{"id":"0909.1964","kind":"arxiv","version":1}},"canonical_sha256":"037e16c3ffd7aff994bd64d17430eaa3bffe9ead510d70ed2a8511df9f219511","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"037e16c3ffd7aff994bd64d17430eaa3bffe9ead510d70ed2a8511df9f219511","first_computed_at":"2026-05-18T02:11:57.432191Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:57.432191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J9PbnYbYckZ5M+7UeNpr4pOQWagF+0BLzOTpC03vc8B9lMoVXtQcjwmtGtp9616kWrwAzaQDX/jD0Ldz6MzcCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:57.432918Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.1964","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:911dc0b5cf5acca7e8abc5a15f1a6b4ca34cafd38e54836989f539ddf5b21504","sha256:cf2f2ecf08be319b3fac587f52f4ee3506d0df602059cd098161d30a79f34963"],"state_sha256":"93cac1a3eb1e6636dcda56018c7b99766215b052a96ca64ab4c586a2e8732865"}