{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:RN7DRMFM7QZHQTG2TGHY5ACS2A","short_pith_number":"pith:RN7DRMFM","canonical_record":{"source":{"id":"1302.6756","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-27T13:04:59Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"1706d210b4359b07901a4f0c76084713784f4bf551ce73e6c95727cb73bcf0d9","abstract_canon_sha256":"b8bc6a47e50de205964a857f807b75ede6f18fdc88b8d2a26b4c451bc5eafe5d"},"schema_version":"1.0"},"canonical_sha256":"8b7e38b0acfc32784cda998f8e8052d014c2ba454c478045b26bbc3160274412","source":{"kind":"arxiv","id":"1302.6756","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6756","created_at":"2026-05-18T03:32:18Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6756v1","created_at":"2026-05-18T03:32:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6756","created_at":"2026-05-18T03:32:18Z"},{"alias_kind":"pith_short_12","alias_value":"RN7DRMFM7QZH","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"RN7DRMFM7QZHQTG2","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"RN7DRMFM","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:RN7DRMFM7QZHQTG2TGHY5ACS2A","target":"record","payload":{"canonical_record":{"source":{"id":"1302.6756","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-27T13:04:59Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"1706d210b4359b07901a4f0c76084713784f4bf551ce73e6c95727cb73bcf0d9","abstract_canon_sha256":"b8bc6a47e50de205964a857f807b75ede6f18fdc88b8d2a26b4c451bc5eafe5d"},"schema_version":"1.0"},"canonical_sha256":"8b7e38b0acfc32784cda998f8e8052d014c2ba454c478045b26bbc3160274412","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:32:18.910724Z","signature_b64":"c019TLjciYWxq1SuTrKZVCyfRZM0YXh/erhzZI8J8PeTVaOKNL8T2GQ4S4kMDunExpLLolVeHzXqTUPBVDC+Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b7e38b0acfc32784cda998f8e8052d014c2ba454c478045b26bbc3160274412","last_reissued_at":"2026-05-18T03:32:18.910143Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:32:18.910143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.6756","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":"2026-05-18T03:32:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"caS1EbvJASiMsRSqhe0QEi0lXsmOFUfQK/jdrXmCvpltFLqyuf3EB9+APhMXuuQEgnQ6fTDkDd9VFnlgSB4zBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:40:11.973451Z"},"content_sha256":"b112ac085a7193d45b2dfa38207368c2b9b23d70341905ae6865fa7fbc82f211","schema_version":"1.0","event_id":"sha256:b112ac085a7193d45b2dfa38207368c2b9b23d70341905ae6865fa7fbc82f211"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:RN7DRMFM7QZHQTG2TGHY5ACS2A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Band widths and gaps from the Tran-Blaha functional : Comparison with many-body perturbation theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Anna Miglio, Aur\\'elien Lherbier, David Waroquiers, Gian-Marco Rignanese, Martin Stankovski, Matteo Giantomassi, Micael J. T. Oliveira, Samuel Ponc\\'e, Xavier Gonze","submitted_at":"2013-02-27T13:04:59Z","abstract_excerpt":"For a set of ten crystalline materials (oxides and semiconductors), we compute the electronic band structures using the Tran-Blaha [Phys. Rev. Lett. 102, 226401 (2009)] (TB09) functional. The band widths and gaps are compared with those from the local-density approximation (LDA) functional, many-body perturbation theory (MBPT), and experiments. At the density-functional theory (DFT) level, TB09 leads to band gaps in much better agreement with experiments than LDA. However, we observe that it globally underestimates, often strongly, the valence (and conduction) band widths (more than LDA). MBPT"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6756","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":"2026-05-18T03:32:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sOmwkRtvSmymubPS+Dd6mi1nBiR+1OZhcHzxjqnww6wwWpQtSXQ8pt8qLh7cijvveSXOFB9/u1wXBD92rgTbBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:40:11.973858Z"},"content_sha256":"6a556bcf7f6c59a4c72a732a8c77ee45b0bceaef87e1f740b9c08eab0ea4e824","schema_version":"1.0","event_id":"sha256:6a556bcf7f6c59a4c72a732a8c77ee45b0bceaef87e1f740b9c08eab0ea4e824"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RN7DRMFM7QZHQTG2TGHY5ACS2A/bundle.json","state_url":"https://pith.science/pith/RN7DRMFM7QZHQTG2TGHY5ACS2A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RN7DRMFM7QZHQTG2TGHY5ACS2A/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":"2026-05-27T05:40:11Z","links":{"resolver":"https://pith.science/pith/RN7DRMFM7QZHQTG2TGHY5ACS2A","bundle":"https://pith.science/pith/RN7DRMFM7QZHQTG2TGHY5ACS2A/bundle.json","state":"https://pith.science/pith/RN7DRMFM7QZHQTG2TGHY5ACS2A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RN7DRMFM7QZHQTG2TGHY5ACS2A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:RN7DRMFM7QZHQTG2TGHY5ACS2A","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":"b8bc6a47e50de205964a857f807b75ede6f18fdc88b8d2a26b4c451bc5eafe5d","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-27T13:04:59Z","title_canon_sha256":"1706d210b4359b07901a4f0c76084713784f4bf551ce73e6c95727cb73bcf0d9"},"schema_version":"1.0","source":{"id":"1302.6756","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6756","created_at":"2026-05-18T03:32:18Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6756v1","created_at":"2026-05-18T03:32:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6756","created_at":"2026-05-18T03:32:18Z"},{"alias_kind":"pith_short_12","alias_value":"RN7DRMFM7QZH","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"RN7DRMFM7QZHQTG2","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"RN7DRMFM","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:6a556bcf7f6c59a4c72a732a8c77ee45b0bceaef87e1f740b9c08eab0ea4e824","target":"graph","created_at":"2026-05-18T03:32:18Z","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":"For a set of ten crystalline materials (oxides and semiconductors), we compute the electronic band structures using the Tran-Blaha [Phys. Rev. Lett. 102, 226401 (2009)] (TB09) functional. The band widths and gaps are compared with those from the local-density approximation (LDA) functional, many-body perturbation theory (MBPT), and experiments. At the density-functional theory (DFT) level, TB09 leads to band gaps in much better agreement with experiments than LDA. However, we observe that it globally underestimates, often strongly, the valence (and conduction) band widths (more than LDA). MBPT","authors_text":"Anna Miglio, Aur\\'elien Lherbier, David Waroquiers, Gian-Marco Rignanese, Martin Stankovski, Matteo Giantomassi, Micael J. T. Oliveira, Samuel Ponc\\'e, Xavier Gonze","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-27T13:04:59Z","title":"Band widths and gaps from the Tran-Blaha functional : Comparison with many-body perturbation theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6756","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:b112ac085a7193d45b2dfa38207368c2b9b23d70341905ae6865fa7fbc82f211","target":"record","created_at":"2026-05-18T03:32:18Z","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":"b8bc6a47e50de205964a857f807b75ede6f18fdc88b8d2a26b4c451bc5eafe5d","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-27T13:04:59Z","title_canon_sha256":"1706d210b4359b07901a4f0c76084713784f4bf551ce73e6c95727cb73bcf0d9"},"schema_version":"1.0","source":{"id":"1302.6756","kind":"arxiv","version":1}},"canonical_sha256":"8b7e38b0acfc32784cda998f8e8052d014c2ba454c478045b26bbc3160274412","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b7e38b0acfc32784cda998f8e8052d014c2ba454c478045b26bbc3160274412","first_computed_at":"2026-05-18T03:32:18.910143Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:32:18.910143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c019TLjciYWxq1SuTrKZVCyfRZM0YXh/erhzZI8J8PeTVaOKNL8T2GQ4S4kMDunExpLLolVeHzXqTUPBVDC+Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:32:18.910724Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.6756","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b112ac085a7193d45b2dfa38207368c2b9b23d70341905ae6865fa7fbc82f211","sha256:6a556bcf7f6c59a4c72a732a8c77ee45b0bceaef87e1f740b9c08eab0ea4e824"],"state_sha256":"095b9424b84c0f329919bee54c9a487206e92542db9598849d20eaba98ba52ee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RU48Pi3CmxjQn0KzTVuN4iBU09Zsw7c0SmOeVjDb7WDy0Cu3YNQkilfeogXUV8Ns7Du1ZClFo6cJjwhgJQPuBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:40:11.976892Z","bundle_sha256":"4a4dc60a1258d90df0885d08340ba322c873d284c6035a8caa90d2fb8dd1920b"}}