{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:QB5ZXMFYABLFG6IEI3H3LR2YCW","short_pith_number":"pith:QB5ZXMFY","schema_version":"1.0","canonical_sha256":"807b9bb0b8005653790446cfb5c75815a0b32f5b0e0ff86a11cbfcdb788e9bf5","source":{"kind":"arxiv","id":"1007.2512","version":1},"attestation_state":"computed","paper":{"title":"Experimental realization of a low-noise heralded single photon source","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Migdall, F. Piacentini, G. Brida, I.P. Degiovanni, I. Ruo Berchera, M. Genovese, S.V. Polyakov","submitted_at":"2010-07-15T09:21:54Z","abstract_excerpt":"We present a heralded single-photon source with a much lower level of unwanted background photons in the output channel by using the herald photon to control a shutter in the heralded channel. The shutter is implemented using a simple field programable gate array controlled optical switch."},"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":"1007.2512","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-07-15T09:21:54Z","cross_cats_sorted":[],"title_canon_sha256":"13a6f1a420f102f173417436f7ab24c19aefafca68474c2aabb4f5c7dae9aca7","abstract_canon_sha256":"12329b7cfd7c474648c88fe82ba05666d4cacd688429388684c3f23673909c21"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:21.750823Z","signature_b64":"/bqFKA1KfbsR2u4Mu7CybCy9J9eNmf7wJY2+uWt5mB6sd2cafSae8FVV5+aB14djkOkVZz4SwlsuXPIBEhsbCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"807b9bb0b8005653790446cfb5c75815a0b32f5b0e0ff86a11cbfcdb788e9bf5","last_reissued_at":"2026-05-18T02:06:21.750130Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:21.750130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental realization of a low-noise heralded single photon source","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Migdall, F. Piacentini, G. Brida, I.P. Degiovanni, I. Ruo Berchera, M. Genovese, S.V. Polyakov","submitted_at":"2010-07-15T09:21:54Z","abstract_excerpt":"We present a heralded single-photon source with a much lower level of unwanted background photons in the output channel by using the herald photon to control a shutter in the heralded channel. The shutter is implemented using a simple field programable gate array controlled optical switch."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.2512","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":"1007.2512","created_at":"2026-05-18T02:06:21.750219+00:00"},{"alias_kind":"arxiv_version","alias_value":"1007.2512v1","created_at":"2026-05-18T02:06:21.750219+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.2512","created_at":"2026-05-18T02:06:21.750219+00:00"},{"alias_kind":"pith_short_12","alias_value":"QB5ZXMFYABLF","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_16","alias_value":"QB5ZXMFYABLFG6IE","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_8","alias_value":"QB5ZXMFY","created_at":"2026-05-18T12:26:12.377268+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/QB5ZXMFYABLFG6IEI3H3LR2YCW","json":"https://pith.science/pith/QB5ZXMFYABLFG6IEI3H3LR2YCW.json","graph_json":"https://pith.science/api/pith-number/QB5ZXMFYABLFG6IEI3H3LR2YCW/graph.json","events_json":"https://pith.science/api/pith-number/QB5ZXMFYABLFG6IEI3H3LR2YCW/events.json","paper":"https://pith.science/paper/QB5ZXMFY"},"agent_actions":{"view_html":"https://pith.science/pith/QB5ZXMFYABLFG6IEI3H3LR2YCW","download_json":"https://pith.science/pith/QB5ZXMFYABLFG6IEI3H3LR2YCW.json","view_paper":"https://pith.science/paper/QB5ZXMFY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1007.2512&json=true","fetch_graph":"https://pith.science/api/pith-number/QB5ZXMFYABLFG6IEI3H3LR2YCW/graph.json","fetch_events":"https://pith.science/api/pith-number/QB5ZXMFYABLFG6IEI3H3LR2YCW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QB5ZXMFYABLFG6IEI3H3LR2YCW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QB5ZXMFYABLFG6IEI3H3LR2YCW/action/storage_attestation","attest_author":"https://pith.science/pith/QB5ZXMFYABLFG6IEI3H3LR2YCW/action/author_attestation","sign_citation":"https://pith.science/pith/QB5ZXMFYABLFG6IEI3H3LR2YCW/action/citation_signature","submit_replication":"https://pith.science/pith/QB5ZXMFYABLFG6IEI3H3LR2YCW/action/replication_record"}},"created_at":"2026-05-18T02:06:21.750219+00:00","updated_at":"2026-05-18T02:06:21.750219+00:00"}