{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:4RZZFD5ESNKKPDBBMBSXNF23Q3","short_pith_number":"pith:4RZZFD5E","canonical_record":{"source":{"id":"1406.4049","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-06-16T15:35:44Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"9118dc0c2832f1ef39a8d5b2ecd70848b02497ba1e6f8bbddd7f168f36786fd0","abstract_canon_sha256":"db54d8da8aa128e12679555256e2f68722a3a49a415fe3458407fc284a857927"},"schema_version":"1.0"},"canonical_sha256":"e473928fa49354a78c21606576975b86e9197f5fe043cf36dc49cc51c425a70d","source":{"kind":"arxiv","id":"1406.4049","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"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:4RZZFD5ESNKKPDBBMBSXNF23Q3","target":"record","payload":{"canonical_record":{"source":{"id":"1406.4049","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-06-16T15:35:44Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"9118dc0c2832f1ef39a8d5b2ecd70848b02497ba1e6f8bbddd7f168f36786fd0","abstract_canon_sha256":"db54d8da8aa128e12679555256e2f68722a3a49a415fe3458407fc284a857927"},"schema_version":"1.0"},"canonical_sha256":"e473928fa49354a78c21606576975b86e9197f5fe043cf36dc49cc51c425a70d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:45:03.990472Z","signature_b64":"ih+FnOfvMY7iAqfG2vi0QH5kSAhKGsh1zIKr6nT6zMVpckqg5h0EZvIYGBpvKxjYhWCPyX5/6JZ5fKj9xiw2Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e473928fa49354a78c21606576975b86e9197f5fe043cf36dc49cc51c425a70d","last_reissued_at":"2026-05-18T02:45:03.989861Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:45:03.989861Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.4049","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:45:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ef9i0GI9smzHvc6SPBRLrVllE3RCPOF+QUybTNynpWoM1ScCCGXJgHCF1OHPJTNUMkGL5XOAig4MKdu1NWv0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T03:47:51.129602Z"},"content_sha256":"70a2ee07f000de968a3b62b939533f16c885360c1579c9e2cd21d70526195667","schema_version":"1.0","event_id":"sha256:70a2ee07f000de968a3b62b939533f16c885360c1579c9e2cd21d70526195667"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:4RZZFD5ESNKKPDBBMBSXNF23Q3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum interference in the absorption and emission of single photons by a single ion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Christoph Kurz, Jan Huwer, J\\\"urgen Eschner, Michael Schug, Pascal Eich, Philipp M\\\"uller","submitted_at":"2014-06-16T15:35:44Z","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"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4049","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:45:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XPqlufGCqjU+bkZPh/ttDsQ6v6Qa1ZEKQPJyb5+PGb/GAn6rMK1W7dO7QuhdGUQBJJFlTSZU3wTywK4Nj8krAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T03:47:51.130268Z"},"content_sha256":"49b59ccbfaabdd087fd33f58b32c0f4f7bf389f3550662ceb65367c15771f3fc","schema_version":"1.0","event_id":"sha256:49b59ccbfaabdd087fd33f58b32c0f4f7bf389f3550662ceb65367c15771f3fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4RZZFD5ESNKKPDBBMBSXNF23Q3/bundle.json","state_url":"https://pith.science/pith/4RZZFD5ESNKKPDBBMBSXNF23Q3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4RZZFD5ESNKKPDBBMBSXNF23Q3/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-20T03:47:51Z","links":{"resolver":"https://pith.science/pith/4RZZFD5ESNKKPDBBMBSXNF23Q3","bundle":"https://pith.science/pith/4RZZFD5ESNKKPDBBMBSXNF23Q3/bundle.json","state":"https://pith.science/pith/4RZZFD5ESNKKPDBBMBSXNF23Q3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4RZZFD5ESNKKPDBBMBSXNF23Q3/bundle.json"},"state":{"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"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cDFd9QCjvLMQuKp/JsgE8yWLe5CtpAdY7nFXZYyz1WiRucmBmwzssspHvPGsCLihw6V1ecTDCR2mbRzC4/LIBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T03:47:51.134305Z","bundle_sha256":"571e715f2f010ba86173afded900b7d121d48ef8f0395c035674201ccbb8350e"}}