{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:OTPIE4T6Q7HGTZYXFO2TOF734N","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":"b5e5e4d91357c4008232c16aacde4a678f0cb36efe0a161c4e7e42850df5da11","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2000-03-30T16:38:06Z","title_canon_sha256":"8a17c842de059fbad3a92280d174ea2cca76208aac3dfac940c56e66c2347067"},"schema_version":"1.0","source":{"id":"quant-ph/0003143","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0003143","created_at":"2026-07-04T14:45:27Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0003143v3","created_at":"2026-07-04T14:45:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0003143","created_at":"2026-07-04T14:45:27Z"},{"alias_kind":"pith_short_12","alias_value":"OTPIE4T6Q7HG","created_at":"2026-07-04T14:45:27Z"},{"alias_kind":"pith_short_16","alias_value":"OTPIE4T6Q7HGTZYX","created_at":"2026-07-04T14:45:27Z"},{"alias_kind":"pith_short_8","alias_value":"OTPIE4T6","created_at":"2026-07-04T14:45:27Z"}],"graph_snapshots":[{"event_id":"sha256:5c72108c4dbe5380d55abfb5732fd7d0a5d292e43bc293ed5fa030b14d2545fc","target":"graph","created_at":"2026-07-04T14:45:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/quant-ph/0003143/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The modification of initially entangled light pulses passing through dispersive and absorbing four-port devices is studied, using recently obtained results on quantum state transformations [Phys. Rev. A 59, 4716 (1999)]. The fidelity and indices of quantum correlations based on the von Neumann entropy are calculated. Their dependence on both the pulse shape and the four-port device parameters is studied. It is shown, that due to dispersion and absorption the quantum correlations are reduced substantially for large initial entanglement.","authors_text":"A.V. Chizhov, D.-G. Welsch, E. Schmidt, L. Knoll","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2000-03-30T16:38:06Z","title":"Propagation of entangled light pulses through dispersive and absorbing channels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0003143","kind":"arxiv","version":3},"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:fc5c136a544999d6bac47e82632a0da7dc73564b9afa7214538c33d5742eaa47","target":"record","created_at":"2026-07-04T14:45:27Z","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":"b5e5e4d91357c4008232c16aacde4a678f0cb36efe0a161c4e7e42850df5da11","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2000-03-30T16:38:06Z","title_canon_sha256":"8a17c842de059fbad3a92280d174ea2cca76208aac3dfac940c56e66c2347067"},"schema_version":"1.0","source":{"id":"quant-ph/0003143","kind":"arxiv","version":3}},"canonical_sha256":"74de82727e87ce69e7172bb53717fbe35e2e7b486a495a1b969c1c4935bb57aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74de82727e87ce69e7172bb53717fbe35e2e7b486a495a1b969c1c4935bb57aa","first_computed_at":"2026-07-04T14:45:27.500038Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:45:27.500038Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vzc+3CycFaKERJ6CexEKC1tGFz3QdQRtbC+xewsLpjnNayo6UH+HtMTU27oy6E0Hg2zd0Ym7g0bsYWUhX5ycAA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:45:27.500375Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0003143","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc5c136a544999d6bac47e82632a0da7dc73564b9afa7214538c33d5742eaa47","sha256:5c72108c4dbe5380d55abfb5732fd7d0a5d292e43bc293ed5fa030b14d2545fc"],"state_sha256":"c5e2c1825bb7bc66d66584293987bf6e71e151891caa4db48dd7d6a3814b0c2e"}