{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:ZM23X22TK7FTQIIOX6ECNHLBBO","short_pith_number":"pith:ZM23X22T","schema_version":"1.0","canonical_sha256":"cb35bbeb5357cb38210ebf88269d610bb7f76ade2aee6397678ccfc34c97d4a5","source":{"kind":"arxiv","id":"1707.07065","version":1},"attestation_state":"computed","paper":{"title":"Modeling alignment enhancement for solid polarized targets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Dustin Keller","submitted_at":"2017-07-21T23:06:07Z","abstract_excerpt":"A model of dynamic orientation using optimized radiofrequency (RF) irradiation produced perpendicular to the holding field is developed for the spin-1 system required for tensor-polarized fixed-target experiments. The derivation applies to RF produced close to the Larmor frequency of the nucleus and requires the electron spin-resonance linewidth to be much smaller than the nuclear magnetic resonance frequency. The rate equations are solved numerically to study a semi-saturated steady-state resulting from the two sources of irradiation: microwave from the DNP process and the additional RF used "},"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":"1707.07065","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-07-21T23:06:07Z","cross_cats_sorted":[],"title_canon_sha256":"e6a4a1e3804df8c0fb951335166b9825eb4ad22ba73e434e794e12eadd49bcf1","abstract_canon_sha256":"d83f9decfa4efa92244d09b4afbc029c0d8b1a10b09b361a3542f97e75e21e85"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:45.460655Z","signature_b64":"Q7fnlJdPPHJKa6S34bz741qgZIBl+6rNoz+aggGza4YNCcEycVqbhMcRHKpOIDPEfeTZ47zDfwaicVXWHurmCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb35bbeb5357cb38210ebf88269d610bb7f76ade2aee6397678ccfc34c97d4a5","last_reissued_at":"2026-05-18T00:39:45.459850Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:45.459850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Modeling alignment enhancement for solid polarized targets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Dustin Keller","submitted_at":"2017-07-21T23:06:07Z","abstract_excerpt":"A model of dynamic orientation using optimized radiofrequency (RF) irradiation produced perpendicular to the holding field is developed for the spin-1 system required for tensor-polarized fixed-target experiments. The derivation applies to RF produced close to the Larmor frequency of the nucleus and requires the electron spin-resonance linewidth to be much smaller than the nuclear magnetic resonance frequency. The rate equations are solved numerically to study a semi-saturated steady-state resulting from the two sources of irradiation: microwave from the DNP process and the additional RF used "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.07065","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":"1707.07065","created_at":"2026-05-18T00:39:45.459959+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.07065v1","created_at":"2026-05-18T00:39:45.459959+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.07065","created_at":"2026-05-18T00:39:45.459959+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZM23X22TK7FT","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZM23X22TK7FTQIIO","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZM23X22T","created_at":"2026-05-18T12:31:59.375834+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/ZM23X22TK7FTQIIOX6ECNHLBBO","json":"https://pith.science/pith/ZM23X22TK7FTQIIOX6ECNHLBBO.json","graph_json":"https://pith.science/api/pith-number/ZM23X22TK7FTQIIOX6ECNHLBBO/graph.json","events_json":"https://pith.science/api/pith-number/ZM23X22TK7FTQIIOX6ECNHLBBO/events.json","paper":"https://pith.science/paper/ZM23X22T"},"agent_actions":{"view_html":"https://pith.science/pith/ZM23X22TK7FTQIIOX6ECNHLBBO","download_json":"https://pith.science/pith/ZM23X22TK7FTQIIOX6ECNHLBBO.json","view_paper":"https://pith.science/paper/ZM23X22T","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.07065&json=true","fetch_graph":"https://pith.science/api/pith-number/ZM23X22TK7FTQIIOX6ECNHLBBO/graph.json","fetch_events":"https://pith.science/api/pith-number/ZM23X22TK7FTQIIOX6ECNHLBBO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZM23X22TK7FTQIIOX6ECNHLBBO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZM23X22TK7FTQIIOX6ECNHLBBO/action/storage_attestation","attest_author":"https://pith.science/pith/ZM23X22TK7FTQIIOX6ECNHLBBO/action/author_attestation","sign_citation":"https://pith.science/pith/ZM23X22TK7FTQIIOX6ECNHLBBO/action/citation_signature","submit_replication":"https://pith.science/pith/ZM23X22TK7FTQIIOX6ECNHLBBO/action/replication_record"}},"created_at":"2026-05-18T00:39:45.459959+00:00","updated_at":"2026-05-18T00:39:45.459959+00:00"}