{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:5DQF3R3IMID6WB4SXUJFEGOK7R","short_pith_number":"pith:5DQF3R3I","schema_version":"1.0","canonical_sha256":"e8e05dc7686207eb0792bd125219cafc525c1ba6d0037dd94925b98f97be724e","source":{"kind":"arxiv","id":"cond-mat/0404660","version":1},"attestation_state":"computed","paper":{"title":"An experimental and computational investigation of structure and magnetism in pyrite Co$_{1-x}$Fe$_x$S$_2$: Chemical bonding and half-metallicity","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Claude Ederer, K. Ramesha, M. A. Subramanian, Ram Seshadri, Tao He","submitted_at":"2004-04-27T23:30:40Z","abstract_excerpt":"Bulk samples of the pyrite chalcogenide solid solutions Co$_{1-x}$Fe$_x$S$_2$ 0 <= x <= 0.5, have been prepared and their crystal structures and magnetic properties studied by X-ray diffraction and SQUID magnetization measurements. Across the solution series, the distance between sulfur atoms in the persulfide (S$_2^{2-}$) unit remains nearly constant. First principles electronic structure calculations using experimental crystal structures as inputs point to the importance of this constant S-S distance, in helping antibonding S-S levels pin the Fermi energy. In contrast hypothetical rock-salt "},"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":"cond-mat/0404660","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-04-27T23:30:40Z","cross_cats_sorted":[],"title_canon_sha256":"119e9ea7842a1d171f9b22b0ab6ca7c93101de697e8d330a30910aca90a98186","abstract_canon_sha256":"be802ebef6122bbec89c2945245584197fc327184ba5c1cf743d02839288656a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:21:10.689522Z","signature_b64":"CJPbKEh1WRB5aToITdU4uBq4XZ3zEBc1M37rNSfILIs8PCP1asynn0Bmwkax7b17uSITMdkPWeTrCFvfFMIXDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8e05dc7686207eb0792bd125219cafc525c1ba6d0037dd94925b98f97be724e","last_reissued_at":"2026-07-04T14:21:10.689054Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:21:10.689054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An experimental and computational investigation of structure and magnetism in pyrite Co$_{1-x}$Fe$_x$S$_2$: Chemical bonding and half-metallicity","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Claude Ederer, K. Ramesha, M. A. Subramanian, Ram Seshadri, Tao He","submitted_at":"2004-04-27T23:30:40Z","abstract_excerpt":"Bulk samples of the pyrite chalcogenide solid solutions Co$_{1-x}$Fe$_x$S$_2$ 0 <= x <= 0.5, have been prepared and their crystal structures and magnetic properties studied by X-ray diffraction and SQUID magnetization measurements. Across the solution series, the distance between sulfur atoms in the persulfide (S$_2^{2-}$) unit remains nearly constant. First principles electronic structure calculations using experimental crystal structures as inputs point to the importance of this constant S-S distance, in helping antibonding S-S levels pin the Fermi energy. In contrast hypothetical rock-salt "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0404660","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0404660/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"cond-mat/0404660","created_at":"2026-07-04T14:21:10.689116+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0404660v1","created_at":"2026-07-04T14:21:10.689116+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0404660","created_at":"2026-07-04T14:21:10.689116+00:00"},{"alias_kind":"pith_short_12","alias_value":"5DQF3R3IMID6","created_at":"2026-07-04T14:21:10.689116+00:00"},{"alias_kind":"pith_short_16","alias_value":"5DQF3R3IMID6WB4S","created_at":"2026-07-04T14:21:10.689116+00:00"},{"alias_kind":"pith_short_8","alias_value":"5DQF3R3I","created_at":"2026-07-04T14:21:10.689116+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/5DQF3R3IMID6WB4SXUJFEGOK7R","json":"https://pith.science/pith/5DQF3R3IMID6WB4SXUJFEGOK7R.json","graph_json":"https://pith.science/api/pith-number/5DQF3R3IMID6WB4SXUJFEGOK7R/graph.json","events_json":"https://pith.science/api/pith-number/5DQF3R3IMID6WB4SXUJFEGOK7R/events.json","paper":"https://pith.science/paper/5DQF3R3I"},"agent_actions":{"view_html":"https://pith.science/pith/5DQF3R3IMID6WB4SXUJFEGOK7R","download_json":"https://pith.science/pith/5DQF3R3IMID6WB4SXUJFEGOK7R.json","view_paper":"https://pith.science/paper/5DQF3R3I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0404660&json=true","fetch_graph":"https://pith.science/api/pith-number/5DQF3R3IMID6WB4SXUJFEGOK7R/graph.json","fetch_events":"https://pith.science/api/pith-number/5DQF3R3IMID6WB4SXUJFEGOK7R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5DQF3R3IMID6WB4SXUJFEGOK7R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5DQF3R3IMID6WB4SXUJFEGOK7R/action/storage_attestation","attest_author":"https://pith.science/pith/5DQF3R3IMID6WB4SXUJFEGOK7R/action/author_attestation","sign_citation":"https://pith.science/pith/5DQF3R3IMID6WB4SXUJFEGOK7R/action/citation_signature","submit_replication":"https://pith.science/pith/5DQF3R3IMID6WB4SXUJFEGOK7R/action/replication_record"}},"created_at":"2026-07-04T14:21:10.689116+00:00","updated_at":"2026-07-04T14:21:10.689116+00:00"}