{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:JGAOPJFTCVLYI22Z56XCA4C2SC","short_pith_number":"pith:JGAOPJFT","schema_version":"1.0","canonical_sha256":"4980e7a4b31557846b59efae20705a90a54a275944bb95def06b571fc9b6edb5","source":{"kind":"arxiv","id":"1302.2977","version":2},"attestation_state":"computed","paper":{"title":"Nanoscale Fourier-transform MRI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Eric R. Hemesath, John M. Nichol, Lincoln J. Lauhon, Raffi Budakian, Tyler R. Naibert","submitted_at":"2013-02-13T03:49:00Z","abstract_excerpt":"We report a method for nanometer-scale pulsed nuclear magnetic resonance imaging and spectroscopy. Periodic radiofrequency pulses are used to create temporal correlations in the statistical polarization of a solid organic sample. The spin density is spatially encoded by applying a series of intense magnetic field gradient pulses generated by focusing electric current through a nanometer-scale metal constriction. We demonstrate this technique using a silicon nanowire mechanical oscillator as a magnetic resonance sensor to image 1H spins in a polystyrene sample. We obtain a two-dimensional proje"},"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":"1302.2977","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-13T03:49:00Z","cross_cats_sorted":[],"title_canon_sha256":"f77e3d6a217eea56ce6f96e70bb032f31b317302dc766499f512b6b1a6259dfc","abstract_canon_sha256":"33d129febac2bca7399fe14a6fc9143c6ee3f08642ee89db08563c32210ce374"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:11:59.218900Z","signature_b64":"WPZNmQ+fTEEl02V1fbnNN+WR2RyeuOiRWygGlt3pOacTMSzbtIoAIqT6kGRyNj0yaxvdxEWXAYrXwCxKdOR3Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4980e7a4b31557846b59efae20705a90a54a275944bb95def06b571fc9b6edb5","last_reissued_at":"2026-05-18T03:11:59.218242Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:11:59.218242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nanoscale Fourier-transform MRI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Eric R. Hemesath, John M. Nichol, Lincoln J. Lauhon, Raffi Budakian, Tyler R. Naibert","submitted_at":"2013-02-13T03:49:00Z","abstract_excerpt":"We report a method for nanometer-scale pulsed nuclear magnetic resonance imaging and spectroscopy. Periodic radiofrequency pulses are used to create temporal correlations in the statistical polarization of a solid organic sample. The spin density is spatially encoded by applying a series of intense magnetic field gradient pulses generated by focusing electric current through a nanometer-scale metal constriction. We demonstrate this technique using a silicon nanowire mechanical oscillator as a magnetic resonance sensor to image 1H spins in a polystyrene sample. We obtain a two-dimensional proje"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2977","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":"1302.2977","created_at":"2026-05-18T03:11:59.218369+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.2977v2","created_at":"2026-05-18T03:11:59.218369+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2977","created_at":"2026-05-18T03:11:59.218369+00:00"},{"alias_kind":"pith_short_12","alias_value":"JGAOPJFTCVLY","created_at":"2026-05-18T12:27:49.015174+00:00"},{"alias_kind":"pith_short_16","alias_value":"JGAOPJFTCVLYI22Z","created_at":"2026-05-18T12:27:49.015174+00:00"},{"alias_kind":"pith_short_8","alias_value":"JGAOPJFT","created_at":"2026-05-18T12:27:49.015174+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/JGAOPJFTCVLYI22Z56XCA4C2SC","json":"https://pith.science/pith/JGAOPJFTCVLYI22Z56XCA4C2SC.json","graph_json":"https://pith.science/api/pith-number/JGAOPJFTCVLYI22Z56XCA4C2SC/graph.json","events_json":"https://pith.science/api/pith-number/JGAOPJFTCVLYI22Z56XCA4C2SC/events.json","paper":"https://pith.science/paper/JGAOPJFT"},"agent_actions":{"view_html":"https://pith.science/pith/JGAOPJFTCVLYI22Z56XCA4C2SC","download_json":"https://pith.science/pith/JGAOPJFTCVLYI22Z56XCA4C2SC.json","view_paper":"https://pith.science/paper/JGAOPJFT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.2977&json=true","fetch_graph":"https://pith.science/api/pith-number/JGAOPJFTCVLYI22Z56XCA4C2SC/graph.json","fetch_events":"https://pith.science/api/pith-number/JGAOPJFTCVLYI22Z56XCA4C2SC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JGAOPJFTCVLYI22Z56XCA4C2SC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JGAOPJFTCVLYI22Z56XCA4C2SC/action/storage_attestation","attest_author":"https://pith.science/pith/JGAOPJFTCVLYI22Z56XCA4C2SC/action/author_attestation","sign_citation":"https://pith.science/pith/JGAOPJFTCVLYI22Z56XCA4C2SC/action/citation_signature","submit_replication":"https://pith.science/pith/JGAOPJFTCVLYI22Z56XCA4C2SC/action/replication_record"}},"created_at":"2026-05-18T03:11:59.218369+00:00","updated_at":"2026-05-18T03:11:59.218369+00:00"}