{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:KTN6QXVF2NC2LYHOLWLWNE6K77","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a261bf9fd01afb90d82850682f6105e494969d31de1538c8c1deeab957a28dbf","cross_cats_sorted":["cond-mat.supr-con"],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-12-28T04:23:40Z","title_canon_sha256":"aa9c155312f2b282f463ee24afab698e91b921f7e096ca9f7017a2be8512175e"},"schema_version":"1.0","source":{"id":"cond-mat/0512675","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0512675","created_at":"2026-05-18T01:39:49Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0512675v3","created_at":"2026-05-18T01:39:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0512675","created_at":"2026-05-18T01:39:49Z"},{"alias_kind":"pith_short_12","alias_value":"KTN6QXVF2NC2","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"KTN6QXVF2NC2LYHO","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"KTN6QXVF","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:ad96a99b4fedb88574c5f8d8372e4cfd615eda82bf17bafcb90714730944d696","target":"graph","created_at":"2026-05-18T01:39:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Based on first principles calculations, we show that $Mn$ impurities are magnetic in $MgB_{2}$ due to exchange-splitting of $d_{3z^2-1}$ band and they substantially modify $B$ $p_{\\sigma}$ and $p_{\\pi}$ bands through hybridization. Thus, $Mn$ impurities could act as strong magnetic scattering centers leading to pair-breaking effects in $MgB_{2}$. In contrast, we find $Fe$ impurities in $MgB_{2}$ to be nearly non-magnetic.","authors_text":"P. Jiji Thomas Joseph, Prabhakar P. Singh","cross_cats":["cond-mat.supr-con"],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-12-28T04:23:40Z","title":"Mn and Fe Impurities in MgB_{2}"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0512675","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:3d51b38e3695ac85eb77ca4209403f2e1aa4f4e6c66508b209ed319c034d5040","target":"record","created_at":"2026-05-18T01:39:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a261bf9fd01afb90d82850682f6105e494969d31de1538c8c1deeab957a28dbf","cross_cats_sorted":["cond-mat.supr-con"],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-12-28T04:23:40Z","title_canon_sha256":"aa9c155312f2b282f463ee24afab698e91b921f7e096ca9f7017a2be8512175e"},"schema_version":"1.0","source":{"id":"cond-mat/0512675","kind":"arxiv","version":3}},"canonical_sha256":"54dbe85ea5d345a5e0ee5d976693caffd3d736d56b7b3222db8db87bf6d59600","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54dbe85ea5d345a5e0ee5d976693caffd3d736d56b7b3222db8db87bf6d59600","first_computed_at":"2026-05-18T01:39:49.159429Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:49.159429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F34SH06QM4d/s8BX9DwTwlTY0IHZ3dCQ71Me4MWww0Cm1A/S3Qv2dHj2xXoxo80K8/zGbustwY1gm8eNly0VBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:49.160246Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0512675","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d51b38e3695ac85eb77ca4209403f2e1aa4f4e6c66508b209ed319c034d5040","sha256:ad96a99b4fedb88574c5f8d8372e4cfd615eda82bf17bafcb90714730944d696"],"state_sha256":"db1c2482d0b73dee56dc32e7f7732f65ad31b9e2f5b096ae16f125fd2c13f26a"}