{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:4RZZFD5ESNKKPDBBMBSXNF23Q3","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":"db54d8da8aa128e12679555256e2f68722a3a49a415fe3458407fc284a857927","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-06-16T15:35:44Z","title_canon_sha256":"9118dc0c2832f1ef39a8d5b2ecd70848b02497ba1e6f8bbddd7f168f36786fd0"},"schema_version":"1.0","source":{"id":"1406.4049","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4049","created_at":"2026-05-18T02:45:03Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4049v2","created_at":"2026-05-18T02:45:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4049","created_at":"2026-05-18T02:45:03Z"},{"alias_kind":"pith_short_12","alias_value":"4RZZFD5ESNKK","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4RZZFD5ESNKKPDBB","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4RZZFD5E","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:49b59ccbfaabdd087fd33f58b32c0f4f7bf389f3550662ceb65367c15771f3fc","target":"graph","created_at":"2026-05-18T02:45:03Z","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 investigate quantum beats in the arrival-time distribution of single photons from a single trapped $^{40}$Ca$^+$ ion, revealing their fundamentally different physical origins in two distinct experimental situations: In a $\\Lambda$-type level scheme the interference of two 854-nm absorption amplitudes suppresses and enhances the emission process of Raman-scattered 393-nm photons; in a V-type level scheme the interference of two 393-nm emission amplitudes causes a rotation of their dipole emission pattern resulting in a temporal modulation of the detected photons. For both cases we demonstrat","authors_text":"Christoph Kurz, Jan Huwer, J\\\"urgen Eschner, Michael Schug, Pascal Eich, Philipp M\\\"uller","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-06-16T15:35:44Z","title":"Quantum interference in the absorption and emission of single photons by a single ion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4049","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":"sha256:70a2ee07f000de968a3b62b939533f16c885360c1579c9e2cd21d70526195667","target":"record","created_at":"2026-05-18T02:45:03Z","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":"db54d8da8aa128e12679555256e2f68722a3a49a415fe3458407fc284a857927","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-06-16T15:35:44Z","title_canon_sha256":"9118dc0c2832f1ef39a8d5b2ecd70848b02497ba1e6f8bbddd7f168f36786fd0"},"schema_version":"1.0","source":{"id":"1406.4049","kind":"arxiv","version":2}},"canonical_sha256":"e473928fa49354a78c21606576975b86e9197f5fe043cf36dc49cc51c425a70d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e473928fa49354a78c21606576975b86e9197f5fe043cf36dc49cc51c425a70d","first_computed_at":"2026-05-18T02:45:03.989861Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:45:03.989861Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ih+FnOfvMY7iAqfG2vi0QH5kSAhKGsh1zIKr6nT6zMVpckqg5h0EZvIYGBpvKxjYhWCPyX5/6JZ5fKj9xiw2Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:45:03.990472Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.4049","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70a2ee07f000de968a3b62b939533f16c885360c1579c9e2cd21d70526195667","sha256:49b59ccbfaabdd087fd33f58b32c0f4f7bf389f3550662ceb65367c15771f3fc"],"state_sha256":"3b2309a7ef1bcdf3715651479b54c790ae8feb11c1f89b4e2c28523fe77dbbb8"}