{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:23XK3TVIRXP7J7JPGMHEU32DMN","short_pith_number":"pith:23XK3TVI","schema_version":"1.0","canonical_sha256":"d6eeadcea88ddff4fd2f330e4a6f436353aca0e3d059fd749d829c39a56e1732","source":{"kind":"arxiv","id":"1105.3737","version":1},"attestation_state":"computed","paper":{"title":"Exciton-spin memory with a semiconductor quantum dot molecule","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"A. Boyer de la Giroday, A.J. Shields, D.A. Ritchie, I. Farrer, N. Skold, R.M. Stevenson","submitted_at":"2011-05-18T20:05:17Z","abstract_excerpt":"We report on a single photon and spin storage device based on a semiconductor quantum dot molecule. Optically excited single electron-hole pairs are trapped within the molecule and their recombination rate is electrically controlled over three orders of magnitude. Single photons are stored up to 1 microsecond and read out on a sub-nanosecond timescale. Using resonant excitation, the circular polarisation of individual photons is transferred into the spin state of electron-hole pairs with a fidelity above 80%, which does not degrade for storage times up to the 12.5ns repetition period of the ex"},"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":"1105.3737","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-05-18T20:05:17Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"c481bbeb13e2d300e9befb0fc75455176e83692129080648747e6c3e1c721472","abstract_canon_sha256":"dc68afa9295c113f700d166aabd1acb4657f5f6fcee88a1a7c6daba67bfd74b1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:56.370907Z","signature_b64":"9xPBYzYYouLNiC2PLrRVezVYvZG8GADmRvaWVIOLEmQq/J1g36+93hhNZ/I3PUwM1vlGaN8dMyEIipo/H1/zCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6eeadcea88ddff4fd2f330e4a6f436353aca0e3d059fd749d829c39a56e1732","last_reissued_at":"2026-05-18T02:01:56.370161Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:56.370161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exciton-spin memory with a semiconductor quantum dot molecule","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"A. Boyer de la Giroday, A.J. Shields, D.A. Ritchie, I. Farrer, N. Skold, R.M. Stevenson","submitted_at":"2011-05-18T20:05:17Z","abstract_excerpt":"We report on a single photon and spin storage device based on a semiconductor quantum dot molecule. Optically excited single electron-hole pairs are trapped within the molecule and their recombination rate is electrically controlled over three orders of magnitude. Single photons are stored up to 1 microsecond and read out on a sub-nanosecond timescale. Using resonant excitation, the circular polarisation of individual photons is transferred into the spin state of electron-hole pairs with a fidelity above 80%, which does not degrade for storage times up to the 12.5ns repetition period of the ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.3737","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":"1105.3737","created_at":"2026-05-18T02:01:56.370285+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.3737v1","created_at":"2026-05-18T02:01:56.370285+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.3737","created_at":"2026-05-18T02:01:56.370285+00:00"},{"alias_kind":"pith_short_12","alias_value":"23XK3TVIRXP7","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"23XK3TVIRXP7J7JP","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"23XK3TVI","created_at":"2026-05-18T12:26:18.847500+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/23XK3TVIRXP7J7JPGMHEU32DMN","json":"https://pith.science/pith/23XK3TVIRXP7J7JPGMHEU32DMN.json","graph_json":"https://pith.science/api/pith-number/23XK3TVIRXP7J7JPGMHEU32DMN/graph.json","events_json":"https://pith.science/api/pith-number/23XK3TVIRXP7J7JPGMHEU32DMN/events.json","paper":"https://pith.science/paper/23XK3TVI"},"agent_actions":{"view_html":"https://pith.science/pith/23XK3TVIRXP7J7JPGMHEU32DMN","download_json":"https://pith.science/pith/23XK3TVIRXP7J7JPGMHEU32DMN.json","view_paper":"https://pith.science/paper/23XK3TVI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.3737&json=true","fetch_graph":"https://pith.science/api/pith-number/23XK3TVIRXP7J7JPGMHEU32DMN/graph.json","fetch_events":"https://pith.science/api/pith-number/23XK3TVIRXP7J7JPGMHEU32DMN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/23XK3TVIRXP7J7JPGMHEU32DMN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/23XK3TVIRXP7J7JPGMHEU32DMN/action/storage_attestation","attest_author":"https://pith.science/pith/23XK3TVIRXP7J7JPGMHEU32DMN/action/author_attestation","sign_citation":"https://pith.science/pith/23XK3TVIRXP7J7JPGMHEU32DMN/action/citation_signature","submit_replication":"https://pith.science/pith/23XK3TVIRXP7J7JPGMHEU32DMN/action/replication_record"}},"created_at":"2026-05-18T02:01:56.370285+00:00","updated_at":"2026-05-18T02:01:56.370285+00:00"}