{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:I3UUGPRCBPGQYY6K6EROGARBKJ","short_pith_number":"pith:I3UUGPRC","schema_version":"1.0","canonical_sha256":"46e9433e220bcd0c63caf122e30221524a210a9587e1ffd5ef433023718ee395","source":{"kind":"arxiv","id":"1802.04540","version":1},"attestation_state":"computed","paper":{"title":"Photon correlations in both time and frequency","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.pop-ph"],"primary_cat":"quant-ph","authors_text":"Elena del Valle, Fabrice P. Laussy, Juan Camilo L\\'opez Carre\\~no","submitted_at":"2018-02-13T10:24:43Z","abstract_excerpt":"While quantum mechanics precludes the perfect knowledge of so-called \"conjugate\" variables, such as time and frequency, we discuss the importance of compromising to retain a fair knowledge of their combined values. In the case of light, we show how time and frequency photon correlations allow us to identify a new type of photon emission, which can be used to design a new type of quantum source where we can choose the distribution in time and energy of the emitted photons."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1802.04540","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-02-13T10:24:43Z","cross_cats_sorted":["cond-mat.quant-gas","physics.pop-ph"],"title_canon_sha256":"e9ad42661e8bb7f0fdc8eb5ea33a05d93a7070c768d18ed2e3d42860a2e954c1","abstract_canon_sha256":"f4bc5d3a2b2b2c151afa9e5408882b67de59b192255f4579cf8a37582b836993"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:42.150033Z","signature_b64":"/7iHCZ7IrbmruJnKjrWcphAuVI1DLtF16mfcNOISSkMxXBmdqM1+fcu8Ir/Sw0caa4bNezlBH61K5K1nlaklCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46e9433e220bcd0c63caf122e30221524a210a9587e1ffd5ef433023718ee395","last_reissued_at":"2026-05-18T00:23:42.149210Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:42.149210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Photon correlations in both time and frequency","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.pop-ph"],"primary_cat":"quant-ph","authors_text":"Elena del Valle, Fabrice P. Laussy, Juan Camilo L\\'opez Carre\\~no","submitted_at":"2018-02-13T10:24:43Z","abstract_excerpt":"While quantum mechanics precludes the perfect knowledge of so-called \"conjugate\" variables, such as time and frequency, we discuss the importance of compromising to retain a fair knowledge of their combined values. In the case of light, we show how time and frequency photon correlations allow us to identify a new type of photon emission, which can be used to design a new type of quantum source where we can choose the distribution in time and energy of the emitted photons."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.04540","kind":"arxiv","version":1},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1802.04540","created_at":"2026-05-18T00:23:42.149323+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.04540v1","created_at":"2026-05-18T00:23:42.149323+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.04540","created_at":"2026-05-18T00:23:42.149323+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/I3UUGPRCBPGQYY6K6EROGARBKJ","json":"https://pith.science/pith/I3UUGPRCBPGQYY6K6EROGARBKJ.json","graph_json":"https://pith.science/api/pith-number/I3UUGPRCBPGQYY6K6EROGARBKJ/graph.json","events_json":"https://pith.science/api/pith-number/I3UUGPRCBPGQYY6K6EROGARBKJ/events.json","paper":"https://pith.science/paper/I3UUGPRC"},"agent_actions":{"view_html":"https://pith.science/pith/I3UUGPRCBPGQYY6K6EROGARBKJ","download_json":"https://pith.science/pith/I3UUGPRCBPGQYY6K6EROGARBKJ.json","view_paper":"https://pith.science/paper/I3UUGPRC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.04540&json=true","fetch_graph":"https://pith.science/api/pith-number/I3UUGPRCBPGQYY6K6EROGARBKJ/graph.json","fetch_events":"https://pith.science/api/pith-number/I3UUGPRCBPGQYY6K6EROGARBKJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/I3UUGPRCBPGQYY6K6EROGARBKJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/I3UUGPRCBPGQYY6K6EROGARBKJ/action/storage_attestation","attest_author":"https://pith.science/pith/I3UUGPRCBPGQYY6K6EROGARBKJ/action/author_attestation","sign_citation":"https://pith.science/pith/I3UUGPRCBPGQYY6K6EROGARBKJ/action/citation_signature","submit_replication":"https://pith.science/pith/I3UUGPRCBPGQYY6K6EROGARBKJ/action/replication_record"}},"created_at":"2026-05-18T00:23:42.149323+00:00","updated_at":"2026-05-18T00:23:42.149323+00:00"}