{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:IOJG5VFBBZ32AJQOKWC73Y5FEK","short_pith_number":"pith:IOJG5VFB","canonical_record":{"source":{"id":"0909.3807","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-09-21T15:56:29Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other"],"title_canon_sha256":"4e13dae9d9a1570927a8a8c052175aef7ba2e14992e0b14eae4e7c68d8ec4ff8","abstract_canon_sha256":"e2cc518a9c3fee0cf407d13aea7cd27cffa12af926a02b42a3f763f3f0131e5d"},"schema_version":"1.0"},"canonical_sha256":"43926ed4a10e77a0260e5585fde3a5229904767d57940ee9055eee66cb89d6ce","source":{"kind":"arxiv","id":"0909.3807","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.3807","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"arxiv_version","alias_value":"0909.3807v1","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.3807","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"pith_short_12","alias_value":"IOJG5VFBBZ32","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"IOJG5VFBBZ32AJQO","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"IOJG5VFB","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:IOJG5VFBBZ32AJQOKWC73Y5FEK","target":"record","payload":{"canonical_record":{"source":{"id":"0909.3807","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-09-21T15:56:29Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other"],"title_canon_sha256":"4e13dae9d9a1570927a8a8c052175aef7ba2e14992e0b14eae4e7c68d8ec4ff8","abstract_canon_sha256":"e2cc518a9c3fee0cf407d13aea7cd27cffa12af926a02b42a3f763f3f0131e5d"},"schema_version":"1.0"},"canonical_sha256":"43926ed4a10e77a0260e5585fde3a5229904767d57940ee9055eee66cb89d6ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:45.718252Z","signature_b64":"iWaVLFSLGXBcTagiINuSOD5qb1Bakyr6bZwnz3hu9h+3Yx2iP3vwki0/pcyfyOFyV/bGEDPsdWBG2OKoqBLEDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43926ed4a10e77a0260e5585fde3a5229904767d57940ee9055eee66cb89d6ce","last_reissued_at":"2026-05-18T02:11:45.717583Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:45.717583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0909.3807","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:11:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QnxBwItPvFBF92IjU1DgSuQIcGtRTMVqskNpVphGGsVoffztqOHVX7YLoP2ZGpid/FuCmVIDIM6Hb7vFWiiPCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:11:59.157367Z"},"content_sha256":"8433bd1e61f6a3d82f9f195e98d4e42525bfbd8ffa72741aab1e8ebb3eb75845","schema_version":"1.0","event_id":"sha256:8433bd1e61f6a3d82f9f195e98d4e42525bfbd8ffa72741aab1e8ebb3eb75845"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:IOJG5VFBBZ32AJQOKWC73Y5FEK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Half-metallicity in NiMnSb: a Variational Cluster Approach with ab-initio parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.other"],"primary_cat":"cond-mat.str-el","authors_text":"A.I. Lichtenstein, E. Arrigoni, H. Allmaier, L. Chioncel, M.I. Katsnelson","submitted_at":"2009-09-21T15:56:29Z","abstract_excerpt":"Electron correlation effects in the half-metallic ferromagnet NiMnSb are investigated within a combined density functional and many-body approach. Starting from a realistic multi-orbital Hubbard-model including Mn and Ni-d orbitals, the many-body problem is addressed via the Variational Cluster Approach. The density of states obtained in the calculation shows a strong spectral weight transfer towards the Fermi level in the occupied conducting majority spin channel with respect to the uncorrelated case, as well as states with vanishing quasiparticle weight in the minority spin gap. Although the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.3807","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:11:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x+eJ9KEzgRtNYrg2RAvFGQVDkrcLCgKEjmI2Lk5eVubFUHpn1fPV48MV4187CA7hEOSFURflRJ0ma9xyft4cDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:11:59.158058Z"},"content_sha256":"198357027d3e47a5a5424d5cceb3d4eae0148cdcc05499261d561d3db91586d9","schema_version":"1.0","event_id":"sha256:198357027d3e47a5a5424d5cceb3d4eae0148cdcc05499261d561d3db91586d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IOJG5VFBBZ32AJQOKWC73Y5FEK/bundle.json","state_url":"https://pith.science/pith/IOJG5VFBBZ32AJQOKWC73Y5FEK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IOJG5VFBBZ32AJQOKWC73Y5FEK/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T23:11:59Z","links":{"resolver":"https://pith.science/pith/IOJG5VFBBZ32AJQOKWC73Y5FEK","bundle":"https://pith.science/pith/IOJG5VFBBZ32AJQOKWC73Y5FEK/bundle.json","state":"https://pith.science/pith/IOJG5VFBBZ32AJQOKWC73Y5FEK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IOJG5VFBBZ32AJQOKWC73Y5FEK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:IOJG5VFBBZ32AJQOKWC73Y5FEK","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":"e2cc518a9c3fee0cf407d13aea7cd27cffa12af926a02b42a3f763f3f0131e5d","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-09-21T15:56:29Z","title_canon_sha256":"4e13dae9d9a1570927a8a8c052175aef7ba2e14992e0b14eae4e7c68d8ec4ff8"},"schema_version":"1.0","source":{"id":"0909.3807","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.3807","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"arxiv_version","alias_value":"0909.3807v1","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.3807","created_at":"2026-05-18T02:11:45Z"},{"alias_kind":"pith_short_12","alias_value":"IOJG5VFBBZ32","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"IOJG5VFBBZ32AJQO","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"IOJG5VFB","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:198357027d3e47a5a5424d5cceb3d4eae0148cdcc05499261d561d3db91586d9","target":"graph","created_at":"2026-05-18T02:11:45Z","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":"Electron correlation effects in the half-metallic ferromagnet NiMnSb are investigated within a combined density functional and many-body approach. Starting from a realistic multi-orbital Hubbard-model including Mn and Ni-d orbitals, the many-body problem is addressed via the Variational Cluster Approach. The density of states obtained in the calculation shows a strong spectral weight transfer towards the Fermi level in the occupied conducting majority spin channel with respect to the uncorrelated case, as well as states with vanishing quasiparticle weight in the minority spin gap. Although the","authors_text":"A.I. Lichtenstein, E. Arrigoni, H. Allmaier, L. Chioncel, M.I. Katsnelson","cross_cats":["cond-mat.mtrl-sci","cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-09-21T15:56:29Z","title":"Half-metallicity in NiMnSb: a Variational Cluster Approach with ab-initio parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.3807","kind":"arxiv","version":1},"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":"sha256:8433bd1e61f6a3d82f9f195e98d4e42525bfbd8ffa72741aab1e8ebb3eb75845","target":"record","created_at":"2026-05-18T02:11:45Z","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":"e2cc518a9c3fee0cf407d13aea7cd27cffa12af926a02b42a3f763f3f0131e5d","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-09-21T15:56:29Z","title_canon_sha256":"4e13dae9d9a1570927a8a8c052175aef7ba2e14992e0b14eae4e7c68d8ec4ff8"},"schema_version":"1.0","source":{"id":"0909.3807","kind":"arxiv","version":1}},"canonical_sha256":"43926ed4a10e77a0260e5585fde3a5229904767d57940ee9055eee66cb89d6ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43926ed4a10e77a0260e5585fde3a5229904767d57940ee9055eee66cb89d6ce","first_computed_at":"2026-05-18T02:11:45.717583Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:45.717583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iWaVLFSLGXBcTagiINuSOD5qb1Bakyr6bZwnz3hu9h+3Yx2iP3vwki0/pcyfyOFyV/bGEDPsdWBG2OKoqBLEDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:45.718252Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.3807","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8433bd1e61f6a3d82f9f195e98d4e42525bfbd8ffa72741aab1e8ebb3eb75845","sha256:198357027d3e47a5a5424d5cceb3d4eae0148cdcc05499261d561d3db91586d9"],"state_sha256":"6a4f51b6da6e8a2fadf67018a1552d654cf386539308c5c523fc9049ed7163bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ruZ6Ny1C6VXhGffiGHv9LaT2B8sx44jRBcfEcc29rq1wlnOG+UlTiff1mYvwlxoh8Uo3eJ0olZGkTozMYiQwAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:11:59.162114Z","bundle_sha256":"f93d663660d315a9bb0f69ea78f513bcb2208000ebeeb34e2a0783c653dcdc5a"}}