{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:JMHYQA7VZPRPLWTP4O4MZQ6NJ2","short_pith_number":"pith:JMHYQA7V","schema_version":"1.0","canonical_sha256":"4b0f8803f5cbe2f5da6fe3b8ccc3cd4eab11375295653eb8c0739a93f90f174a","source":{"kind":"arxiv","id":"1109.4720","version":2},"attestation_state":"computed","paper":{"title":"Emergent electromagnetism in solids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Naoto Nagaosa, Yoshinori Tokura","submitted_at":"2011-09-22T07:44:54Z","abstract_excerpt":"Electromagnetic field (EMF) is the most fundamental field in condensed-matter physics. Interaction between electrons, electron-ion interaction, and ion-ion interaction are all of the electromagnetic origin, while the other 3 fundamental forces, i.e., gravitational force, weak and strong interactions are irrelevant in the energy/length scales of condensed-matter physics. Also the physical properties of condensed-matters such as transport, optical, magnetic and dielectric properties, are almost described as their electromagnetic responses. In addition to this EMF in the low energy sector, it oft"},"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":"1109.4720","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-09-22T07:44:54Z","cross_cats_sorted":[],"title_canon_sha256":"02b9a9b4f93bc7c3dc853cf98beb6f475c26ea6530fee08decf455bc52a3d5c9","abstract_canon_sha256":"555071c099daa8e5d660925ad8e417bd1381c70c5ede90acb15195712a7a723e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:26.767035Z","signature_b64":"5sQn85GZa2QncR3zyVdE+07xgAAvKY/r+5XsHNFpbIY80PxcZlM6ORxcsBGYYq0bMqh7CHv5Z96XlEjHM6EnBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b0f8803f5cbe2f5da6fe3b8ccc3cd4eab11375295653eb8c0739a93f90f174a","last_reissued_at":"2026-05-18T02:00:26.766480Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:26.766480Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Emergent electromagnetism in solids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Naoto Nagaosa, Yoshinori Tokura","submitted_at":"2011-09-22T07:44:54Z","abstract_excerpt":"Electromagnetic field (EMF) is the most fundamental field in condensed-matter physics. Interaction between electrons, electron-ion interaction, and ion-ion interaction are all of the electromagnetic origin, while the other 3 fundamental forces, i.e., gravitational force, weak and strong interactions are irrelevant in the energy/length scales of condensed-matter physics. Also the physical properties of condensed-matters such as transport, optical, magnetic and dielectric properties, are almost described as their electromagnetic responses. In addition to this EMF in the low energy sector, it oft"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4720","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":"1109.4720","created_at":"2026-05-18T02:00:26.766586+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.4720v2","created_at":"2026-05-18T02:00:26.766586+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4720","created_at":"2026-05-18T02:00:26.766586+00:00"},{"alias_kind":"pith_short_12","alias_value":"JMHYQA7VZPRP","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_16","alias_value":"JMHYQA7VZPRPLWTP","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_8","alias_value":"JMHYQA7V","created_at":"2026-05-18T12:26:32.869790+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/JMHYQA7VZPRPLWTP4O4MZQ6NJ2","json":"https://pith.science/pith/JMHYQA7VZPRPLWTP4O4MZQ6NJ2.json","graph_json":"https://pith.science/api/pith-number/JMHYQA7VZPRPLWTP4O4MZQ6NJ2/graph.json","events_json":"https://pith.science/api/pith-number/JMHYQA7VZPRPLWTP4O4MZQ6NJ2/events.json","paper":"https://pith.science/paper/JMHYQA7V"},"agent_actions":{"view_html":"https://pith.science/pith/JMHYQA7VZPRPLWTP4O4MZQ6NJ2","download_json":"https://pith.science/pith/JMHYQA7VZPRPLWTP4O4MZQ6NJ2.json","view_paper":"https://pith.science/paper/JMHYQA7V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.4720&json=true","fetch_graph":"https://pith.science/api/pith-number/JMHYQA7VZPRPLWTP4O4MZQ6NJ2/graph.json","fetch_events":"https://pith.science/api/pith-number/JMHYQA7VZPRPLWTP4O4MZQ6NJ2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JMHYQA7VZPRPLWTP4O4MZQ6NJ2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JMHYQA7VZPRPLWTP4O4MZQ6NJ2/action/storage_attestation","attest_author":"https://pith.science/pith/JMHYQA7VZPRPLWTP4O4MZQ6NJ2/action/author_attestation","sign_citation":"https://pith.science/pith/JMHYQA7VZPRPLWTP4O4MZQ6NJ2/action/citation_signature","submit_replication":"https://pith.science/pith/JMHYQA7VZPRPLWTP4O4MZQ6NJ2/action/replication_record"}},"created_at":"2026-05-18T02:00:26.766586+00:00","updated_at":"2026-05-18T02:00:26.766586+00:00"}