{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XK3OZQCYGLXQBXRT2TZ5F5PR3W","short_pith_number":"pith:XK3OZQCY","canonical_record":{"source":{"id":"1201.6572","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-01-31T15:17:14Z","cross_cats_sorted":[],"title_canon_sha256":"068c06955573f4c518320c75a8864909ac0d9ab0af5d7e96ca5dbd9717b4984b","abstract_canon_sha256":"96dfa6aac6c5382209dd6e5edc2c07cf6a72c338659891e6dd3219d74ac29d5c"},"schema_version":"1.0"},"canonical_sha256":"bab6ecc05832ef00de33d4f3d2f5f1ddb3b111a28c2948366ca68a42ea526d2e","source":{"kind":"arxiv","id":"1201.6572","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.6572","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"arxiv_version","alias_value":"1201.6572v2","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.6572","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"pith_short_12","alias_value":"XK3OZQCYGLXQ","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XK3OZQCYGLXQBXRT","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XK3OZQCY","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XK3OZQCYGLXQBXRT2TZ5F5PR3W","target":"record","payload":{"canonical_record":{"source":{"id":"1201.6572","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-01-31T15:17:14Z","cross_cats_sorted":[],"title_canon_sha256":"068c06955573f4c518320c75a8864909ac0d9ab0af5d7e96ca5dbd9717b4984b","abstract_canon_sha256":"96dfa6aac6c5382209dd6e5edc2c07cf6a72c338659891e6dd3219d74ac29d5c"},"schema_version":"1.0"},"canonical_sha256":"bab6ecc05832ef00de33d4f3d2f5f1ddb3b111a28c2948366ca68a42ea526d2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:37.519933Z","signature_b64":"Iielffq/KiXRAM6PucjBQLvmxwaWU0qIo+J8LOdtsTRm2EEU9zLWGfONMNx/AqgWU2sTJ5MDOB9hShjfVU0nAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bab6ecc05832ef00de33d4f3d2f5f1ddb3b111a28c2948366ca68a42ea526d2e","last_reissued_at":"2026-05-18T01:58:37.519296Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:37.519296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.6572","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":"2026-05-18T01:58:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cUZGJH+pnTiiLQlU67OMgqosH1HSvdib5rvzHPCKOVxVoRR6fxuHqh/USSIrgENR4+93MbShqYMx0R9gmycjDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T11:42:01.073743Z"},"content_sha256":"4d5130bc0a321e8db56baf42cb637220ebe9a32c743d109c5ab22fe1bdaa878f","schema_version":"1.0","event_id":"sha256:4d5130bc0a321e8db56baf42cb637220ebe9a32c743d109c5ab22fe1bdaa878f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XK3OZQCYGLXQBXRT2TZ5F5PR3W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interference-assisted squeezing in fluorescence radiation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"R. Arun","submitted_at":"2012-01-31T15:17:14Z","abstract_excerpt":"The squeezing spectrum of the resonance fluorescence is studied for a coherently driven four-level atom in the Y-type configuration. It is found that the squeezing properties of the fluorescence radiation are modified significantly when quantum interference of the spontaneous decays channels is included. We show a considerable enhancement of steady-state squeezing in spectral components for strong and off-resonant driving fields. The squeezing may be increased in both the inner and outer sidebands of the spectrum depending upon the choice of parameters. We also show that the interference can d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.6572","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":"2026-05-18T01:58:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/KAbyPYEWaMj4MyLwe092SanrpC8872aMLjlE9H8Zw98RwgfPWtp3RxPAW+a2dALnx4NPksXU3u/CnSqlYvEBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T11:42:01.074086Z"},"content_sha256":"f949766a7bc3f0acbffa2fb79fd228a4466572e7a69c1ef8ea61984d87c0f28b","schema_version":"1.0","event_id":"sha256:f949766a7bc3f0acbffa2fb79fd228a4466572e7a69c1ef8ea61984d87c0f28b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XK3OZQCYGLXQBXRT2TZ5F5PR3W/bundle.json","state_url":"https://pith.science/pith/XK3OZQCYGLXQBXRT2TZ5F5PR3W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XK3OZQCYGLXQBXRT2TZ5F5PR3W/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":"2026-06-25T11:42:01Z","links":{"resolver":"https://pith.science/pith/XK3OZQCYGLXQBXRT2TZ5F5PR3W","bundle":"https://pith.science/pith/XK3OZQCYGLXQBXRT2TZ5F5PR3W/bundle.json","state":"https://pith.science/pith/XK3OZQCYGLXQBXRT2TZ5F5PR3W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XK3OZQCYGLXQBXRT2TZ5F5PR3W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XK3OZQCYGLXQBXRT2TZ5F5PR3W","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":"96dfa6aac6c5382209dd6e5edc2c07cf6a72c338659891e6dd3219d74ac29d5c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-01-31T15:17:14Z","title_canon_sha256":"068c06955573f4c518320c75a8864909ac0d9ab0af5d7e96ca5dbd9717b4984b"},"schema_version":"1.0","source":{"id":"1201.6572","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.6572","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"arxiv_version","alias_value":"1201.6572v2","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.6572","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"pith_short_12","alias_value":"XK3OZQCYGLXQ","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XK3OZQCYGLXQBXRT","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XK3OZQCY","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:f949766a7bc3f0acbffa2fb79fd228a4466572e7a69c1ef8ea61984d87c0f28b","target":"graph","created_at":"2026-05-18T01:58:37Z","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":"The squeezing spectrum of the resonance fluorescence is studied for a coherently driven four-level atom in the Y-type configuration. It is found that the squeezing properties of the fluorescence radiation are modified significantly when quantum interference of the spontaneous decays channels is included. We show a considerable enhancement of steady-state squeezing in spectral components for strong and off-resonant driving fields. The squeezing may be increased in both the inner and outer sidebands of the spectrum depending upon the choice of parameters. We also show that the interference can d","authors_text":"R. Arun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-01-31T15:17:14Z","title":"Interference-assisted squeezing in fluorescence radiation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.6572","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":"sha256:4d5130bc0a321e8db56baf42cb637220ebe9a32c743d109c5ab22fe1bdaa878f","target":"record","created_at":"2026-05-18T01:58:37Z","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":"96dfa6aac6c5382209dd6e5edc2c07cf6a72c338659891e6dd3219d74ac29d5c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-01-31T15:17:14Z","title_canon_sha256":"068c06955573f4c518320c75a8864909ac0d9ab0af5d7e96ca5dbd9717b4984b"},"schema_version":"1.0","source":{"id":"1201.6572","kind":"arxiv","version":2}},"canonical_sha256":"bab6ecc05832ef00de33d4f3d2f5f1ddb3b111a28c2948366ca68a42ea526d2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bab6ecc05832ef00de33d4f3d2f5f1ddb3b111a28c2948366ca68a42ea526d2e","first_computed_at":"2026-05-18T01:58:37.519296Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:37.519296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Iielffq/KiXRAM6PucjBQLvmxwaWU0qIo+J8LOdtsTRm2EEU9zLWGfONMNx/AqgWU2sTJ5MDOB9hShjfVU0nAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:37.519933Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.6572","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d5130bc0a321e8db56baf42cb637220ebe9a32c743d109c5ab22fe1bdaa878f","sha256:f949766a7bc3f0acbffa2fb79fd228a4466572e7a69c1ef8ea61984d87c0f28b"],"state_sha256":"e75d0ea3b9c98649e95633d18af93e7ec66e0654229108db3740627c124d48a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vkrxORvwyL3O7uoFRtQ2yrXZiG3FGUMXMDHzR0CltZOcReXpFyvcG3eDGWVhNGo6fh1fMoYE6YN4RX7m02uJBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T11:42:01.076075Z","bundle_sha256":"848400825794c4db5921b4e2edcea26c2464f00e7446d6a7775f6df50802aa52"}}