{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:P3TBXZ47WGMLR6PW6DNCAS5S46","short_pith_number":"pith:P3TBXZ47","schema_version":"1.0","canonical_sha256":"7ee61be79fb198b8f9f6f0da204bb2e7947d4474c7640908a4397956df121141","source":{"kind":"arxiv","id":"1103.0098","version":5},"attestation_state":"computed","paper":{"title":"Spin excitations in K$_{0.84}$Fe$_{1.99}$Se$_2$ superconductor as studied by M\\\"ossbauer spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Fashen Li, Hua Pang, Xiaoming Ma, Zhiwei Li","submitted_at":"2011-03-01T07:59:03Z","abstract_excerpt":"M\\\"ossbauer spectroscopy was used to probe the site specific information of the $K_{0.84}Fe_{1.99}Se_2$ superconductor. Possibility of coexistence of superconductivity and magnetism is discussed. A spin excitation gap, $\\Delta E \\approx$5\\,meV, is observed by analyzing the temperature dependence of the hyperfine magnetic field (HMF) at the iron site within the spin wave theory. Using a simple model suggested in the literature, the temperature dependence of the HMF is well reproduced, suggesting that, below room temperature, the iron-selenide superconductors can be regarded as ferromagnetically"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1103.0098","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-03-01T07:59:03Z","cross_cats_sorted":[],"title_canon_sha256":"6ec8037cebd4e48971e28d639ecbbd214537f1d071bae1684ccd8c66cd0b51d1","abstract_canon_sha256":"ef0929bc85656b295a8cb847b60e1077adbc6d9d52d61f881cbdb5a833c11dfc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:58:51.519111Z","signature_b64":"kw+fOB/dh5dr4yFSOp490dX5OEbO18GWW5ved7iffNrsoVoOHz9Jq+Jt3moUS1ChDNpTkDYSLjBsDw06KKMHDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ee61be79fb198b8f9f6f0da204bb2e7947d4474c7640908a4397956df121141","last_reissued_at":"2026-05-18T03:58:51.518428Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:58:51.518428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spin excitations in K$_{0.84}$Fe$_{1.99}$Se$_2$ superconductor as studied by M\\\"ossbauer spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Fashen Li, Hua Pang, Xiaoming Ma, Zhiwei Li","submitted_at":"2011-03-01T07:59:03Z","abstract_excerpt":"M\\\"ossbauer spectroscopy was used to probe the site specific information of the $K_{0.84}Fe_{1.99}Se_2$ superconductor. Possibility of coexistence of superconductivity and magnetism is discussed. A spin excitation gap, $\\Delta E \\approx$5\\,meV, is observed by analyzing the temperature dependence of the hyperfine magnetic field (HMF) at the iron site within the spin wave theory. Using a simple model suggested in the literature, the temperature dependence of the HMF is well reproduced, suggesting that, below room temperature, the iron-selenide superconductors can be regarded as ferromagnetically"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.0098","kind":"arxiv","version":5},"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":"1103.0098","created_at":"2026-05-18T03:58:51.518522+00:00"},{"alias_kind":"arxiv_version","alias_value":"1103.0098v5","created_at":"2026-05-18T03:58:51.518522+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.0098","created_at":"2026-05-18T03:58:51.518522+00:00"},{"alias_kind":"pith_short_12","alias_value":"P3TBXZ47WGML","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_16","alias_value":"P3TBXZ47WGMLR6PW","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_8","alias_value":"P3TBXZ47","created_at":"2026-05-18T12:26:39.201973+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/P3TBXZ47WGMLR6PW6DNCAS5S46","json":"https://pith.science/pith/P3TBXZ47WGMLR6PW6DNCAS5S46.json","graph_json":"https://pith.science/api/pith-number/P3TBXZ47WGMLR6PW6DNCAS5S46/graph.json","events_json":"https://pith.science/api/pith-number/P3TBXZ47WGMLR6PW6DNCAS5S46/events.json","paper":"https://pith.science/paper/P3TBXZ47"},"agent_actions":{"view_html":"https://pith.science/pith/P3TBXZ47WGMLR6PW6DNCAS5S46","download_json":"https://pith.science/pith/P3TBXZ47WGMLR6PW6DNCAS5S46.json","view_paper":"https://pith.science/paper/P3TBXZ47","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1103.0098&json=true","fetch_graph":"https://pith.science/api/pith-number/P3TBXZ47WGMLR6PW6DNCAS5S46/graph.json","fetch_events":"https://pith.science/api/pith-number/P3TBXZ47WGMLR6PW6DNCAS5S46/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/P3TBXZ47WGMLR6PW6DNCAS5S46/action/timestamp_anchor","attest_storage":"https://pith.science/pith/P3TBXZ47WGMLR6PW6DNCAS5S46/action/storage_attestation","attest_author":"https://pith.science/pith/P3TBXZ47WGMLR6PW6DNCAS5S46/action/author_attestation","sign_citation":"https://pith.science/pith/P3TBXZ47WGMLR6PW6DNCAS5S46/action/citation_signature","submit_replication":"https://pith.science/pith/P3TBXZ47WGMLR6PW6DNCAS5S46/action/replication_record"}},"created_at":"2026-05-18T03:58:51.518522+00:00","updated_at":"2026-05-18T03:58:51.518522+00:00"}