{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:BY2AQ2LOAOICOMWX77TOU5G2VX","short_pith_number":"pith:BY2AQ2LO","schema_version":"1.0","canonical_sha256":"0e3408696e03902732d7ffe6ea74daadde578814dd1636f5d67180e6057bfe7b","source":{"kind":"arxiv","id":"cond-mat/0312445","version":1},"attestation_state":"computed","paper":{"title":"Coherently photo-induced ferromagnetism in diluted magnetic semiconductors","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. H. MacDonald, C. Piermarocchi, J. Fern\\'andez-Rossier, L. J. Sham, P. Chen","submitted_at":"2003-12-18T20:13:30Z","abstract_excerpt":"Ferromagnetism is predicted in undoped diluted magnetic semiconductors illuminated by intense sub-bandgap laser radiation . The mechanism for photo-induced ferromagnetism is coherence between conduction and valence bands induced by the light which leads to an optical exchange interaction. The ferromagnetic critical temperature T_C depends both on the properties of the material and on the frequency and intensity of the laser and could be above 1 K."},"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":"cond-mat/0312445","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2003-12-18T20:13:30Z","cross_cats_sorted":[],"title_canon_sha256":"63ffe0d6c2f2765d6f2e83fa282f2f2fe00a824e0e05d78d7eeba03165e7043f","abstract_canon_sha256":"a967174aff8826df49823f0ca7c69ec52ec72f40e7f830b3a0eda7dfd64d0326"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:39:58.678045Z","signature_b64":"LqAcXwsnw/+tAHt8tpYEPXsBU8Ntpb4dTVEM3qDd5GdeZBtzat285hdoFYQ6tgmY2IeHrN0xMC+ztcm/35aKBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e3408696e03902732d7ffe6ea74daadde578814dd1636f5d67180e6057bfe7b","last_reissued_at":"2026-07-04T16:39:58.677581Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:39:58.677581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Coherently photo-induced ferromagnetism in diluted magnetic semiconductors","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. H. MacDonald, C. Piermarocchi, J. Fern\\'andez-Rossier, L. J. Sham, P. Chen","submitted_at":"2003-12-18T20:13:30Z","abstract_excerpt":"Ferromagnetism is predicted in undoped diluted magnetic semiconductors illuminated by intense sub-bandgap laser radiation . The mechanism for photo-induced ferromagnetism is coherence between conduction and valence bands induced by the light which leads to an optical exchange interaction. The ferromagnetic critical temperature T_C depends both on the properties of the material and on the frequency and intensity of the laser and could be above 1 K."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0312445","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0312445/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"cond-mat/0312445","created_at":"2026-07-04T16:39:58.677651+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0312445v1","created_at":"2026-07-04T16:39:58.677651+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0312445","created_at":"2026-07-04T16:39:58.677651+00:00"},{"alias_kind":"pith_short_12","alias_value":"BY2AQ2LOAOIC","created_at":"2026-07-04T16:39:58.677651+00:00"},{"alias_kind":"pith_short_16","alias_value":"BY2AQ2LOAOICOMWX","created_at":"2026-07-04T16:39:58.677651+00:00"},{"alias_kind":"pith_short_8","alias_value":"BY2AQ2LO","created_at":"2026-07-04T16:39:58.677651+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/BY2AQ2LOAOICOMWX77TOU5G2VX","json":"https://pith.science/pith/BY2AQ2LOAOICOMWX77TOU5G2VX.json","graph_json":"https://pith.science/api/pith-number/BY2AQ2LOAOICOMWX77TOU5G2VX/graph.json","events_json":"https://pith.science/api/pith-number/BY2AQ2LOAOICOMWX77TOU5G2VX/events.json","paper":"https://pith.science/paper/BY2AQ2LO"},"agent_actions":{"view_html":"https://pith.science/pith/BY2AQ2LOAOICOMWX77TOU5G2VX","download_json":"https://pith.science/pith/BY2AQ2LOAOICOMWX77TOU5G2VX.json","view_paper":"https://pith.science/paper/BY2AQ2LO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0312445&json=true","fetch_graph":"https://pith.science/api/pith-number/BY2AQ2LOAOICOMWX77TOU5G2VX/graph.json","fetch_events":"https://pith.science/api/pith-number/BY2AQ2LOAOICOMWX77TOU5G2VX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BY2AQ2LOAOICOMWX77TOU5G2VX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BY2AQ2LOAOICOMWX77TOU5G2VX/action/storage_attestation","attest_author":"https://pith.science/pith/BY2AQ2LOAOICOMWX77TOU5G2VX/action/author_attestation","sign_citation":"https://pith.science/pith/BY2AQ2LOAOICOMWX77TOU5G2VX/action/citation_signature","submit_replication":"https://pith.science/pith/BY2AQ2LOAOICOMWX77TOU5G2VX/action/replication_record"}},"created_at":"2026-07-04T16:39:58.677651+00:00","updated_at":"2026-07-04T16:39:58.677651+00:00"}