{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:WB4MDWKRKN353VFJ3EAYR2ZEXP","short_pith_number":"pith:WB4MDWKR","schema_version":"1.0","canonical_sha256":"b078c1d9515377ddd4a9d90188eb24bbd184a8677647bd983fd28d96263bb2d0","source":{"kind":"arxiv","id":"1104.1953","version":2},"attestation_state":"computed","paper":{"title":"Writing electronic ferromagnetic states in a high-temperature paramagnetic nuclear spin system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. M. Souza, D. O. Soares-Pinto, E. R. deAzevedo, I. S. Oliveira, J. Teles, M. S. Reis, R. S. Sarthour, T. J. Bonagamba","submitted_at":"2011-04-11T14:09:44Z","abstract_excerpt":"In this paper we use the Nuclear Magnetic Resonance (NMR) to write eletronic states of a ferromagnetic system into a high-temperature paramagnetic nuclear spins. Through the control of phase and duration of radiofrequency pulses we set the NMR density matrix populations, and apply the technique of quantum state tomography to experimentally obtain the matrix elements of the system, from which we calculate the temperature dependence of magnetization for different magnetic fields. The effects of the variation of temperature and magnetic field over the populations can be mapped in the angles of sp"},"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":"1104.1953","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-11T14:09:44Z","cross_cats_sorted":[],"title_canon_sha256":"08fbaee7e67bbfd55c247bebed54b5951c5c7d38a0e482d6c8c41e6ee9123eee","abstract_canon_sha256":"528f7abca9c1631ef646f33ac98bafa9d858ab02de1f07734d0e9d185bb180f2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:04.203030Z","signature_b64":"VRrISTee7NIXeaXoZre6iAHS2gQTNVdq3rz+d+4d9e/vlvdpC2OzBb0mqSkWQEu+NIpgBJaE8fNLd1EF5plhDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b078c1d9515377ddd4a9d90188eb24bbd184a8677647bd983fd28d96263bb2d0","last_reissued_at":"2026-05-18T04:19:04.201870Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:04.201870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Writing electronic ferromagnetic states in a high-temperature paramagnetic nuclear spin system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. M. Souza, D. O. Soares-Pinto, E. R. deAzevedo, I. S. Oliveira, J. Teles, M. S. Reis, R. S. Sarthour, T. J. Bonagamba","submitted_at":"2011-04-11T14:09:44Z","abstract_excerpt":"In this paper we use the Nuclear Magnetic Resonance (NMR) to write eletronic states of a ferromagnetic system into a high-temperature paramagnetic nuclear spins. Through the control of phase and duration of radiofrequency pulses we set the NMR density matrix populations, and apply the technique of quantum state tomography to experimentally obtain the matrix elements of the system, from which we calculate the temperature dependence of magnetization for different magnetic fields. The effects of the variation of temperature and magnetic field over the populations can be mapped in the angles of sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1953","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1104.1953","created_at":"2026-05-18T04:19:04.202464+00:00"},{"alias_kind":"arxiv_version","alias_value":"1104.1953v2","created_at":"2026-05-18T04:19:04.202464+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1953","created_at":"2026-05-18T04:19:04.202464+00:00"},{"alias_kind":"pith_short_12","alias_value":"WB4MDWKRKN35","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_16","alias_value":"WB4MDWKRKN353VFJ","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_8","alias_value":"WB4MDWKR","created_at":"2026-05-18T12:26:44.992195+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/WB4MDWKRKN353VFJ3EAYR2ZEXP","json":"https://pith.science/pith/WB4MDWKRKN353VFJ3EAYR2ZEXP.json","graph_json":"https://pith.science/api/pith-number/WB4MDWKRKN353VFJ3EAYR2ZEXP/graph.json","events_json":"https://pith.science/api/pith-number/WB4MDWKRKN353VFJ3EAYR2ZEXP/events.json","paper":"https://pith.science/paper/WB4MDWKR"},"agent_actions":{"view_html":"https://pith.science/pith/WB4MDWKRKN353VFJ3EAYR2ZEXP","download_json":"https://pith.science/pith/WB4MDWKRKN353VFJ3EAYR2ZEXP.json","view_paper":"https://pith.science/paper/WB4MDWKR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1104.1953&json=true","fetch_graph":"https://pith.science/api/pith-number/WB4MDWKRKN353VFJ3EAYR2ZEXP/graph.json","fetch_events":"https://pith.science/api/pith-number/WB4MDWKRKN353VFJ3EAYR2ZEXP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WB4MDWKRKN353VFJ3EAYR2ZEXP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WB4MDWKRKN353VFJ3EAYR2ZEXP/action/storage_attestation","attest_author":"https://pith.science/pith/WB4MDWKRKN353VFJ3EAYR2ZEXP/action/author_attestation","sign_citation":"https://pith.science/pith/WB4MDWKRKN353VFJ3EAYR2ZEXP/action/citation_signature","submit_replication":"https://pith.science/pith/WB4MDWKRKN353VFJ3EAYR2ZEXP/action/replication_record"}},"created_at":"2026-05-18T04:19:04.202464+00:00","updated_at":"2026-05-18T04:19:04.202464+00:00"}