{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:TDM77HM3U3BL35ILSGU3GW2JT7","short_pith_number":"pith:TDM77HM3","canonical_record":{"source":{"id":"1105.4660","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-24T00:35:16Z","cross_cats_sorted":[],"title_canon_sha256":"042f04d3cd2e6d763a8359caf7127f6abe88b8002f181c9234a753c093cee3bc","abstract_canon_sha256":"aff94787b1cee5ac7e265dbe9db5b9d1bede751074bc6443c1ecfeaaf61197ad"},"schema_version":"1.0"},"canonical_sha256":"98d9ff9d9ba6c2bdf50b91a9b35b499fc1293f4a309208ce02675b162d93cdb5","source":{"kind":"arxiv","id":"1105.4660","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.4660","created_at":"2026-05-18T02:01:52Z"},{"alias_kind":"arxiv_version","alias_value":"1105.4660v2","created_at":"2026-05-18T02:01:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.4660","created_at":"2026-05-18T02:01:52Z"},{"alias_kind":"pith_short_12","alias_value":"TDM77HM3U3BL","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TDM77HM3U3BL35IL","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TDM77HM3","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:TDM77HM3U3BL35ILSGU3GW2JT7","target":"record","payload":{"canonical_record":{"source":{"id":"1105.4660","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-24T00:35:16Z","cross_cats_sorted":[],"title_canon_sha256":"042f04d3cd2e6d763a8359caf7127f6abe88b8002f181c9234a753c093cee3bc","abstract_canon_sha256":"aff94787b1cee5ac7e265dbe9db5b9d1bede751074bc6443c1ecfeaaf61197ad"},"schema_version":"1.0"},"canonical_sha256":"98d9ff9d9ba6c2bdf50b91a9b35b499fc1293f4a309208ce02675b162d93cdb5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:52.076975Z","signature_b64":"gTwMLNjjFeJSTzxxlBu+tuzt10TtsTctLLwawUwgBdJrWNCCrk6vVQo1cceubUz2VChQao0p809NUSNwC4TEAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98d9ff9d9ba6c2bdf50b91a9b35b499fc1293f4a309208ce02675b162d93cdb5","last_reissued_at":"2026-05-18T02:01:52.076051Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:52.076051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.4660","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:01:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9qcsb8cfNzvChYgX+f0WI5hFPg81Vd8j0lav/KnWWzNGX9rPNVMGxV2hEFAhAXVKKwGHIdcIou7exPzJ1XNbDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:31:03.189496Z"},"content_sha256":"895f91759415162912c81d92af8f8533d7471e1abbf51306cf693e251c5249ae","schema_version":"1.0","event_id":"sha256:895f91759415162912c81d92af8f8533d7471e1abbf51306cf693e251c5249ae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:TDM77HM3U3BL35ILSGU3GW2JT7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Possible Magnetic Behavior in Oxygen-deficient {\\beta}-PtO2","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Osamu Sugino, Takahisa Ohno, Yong Yang","submitted_at":"2011-05-24T00:35:16Z","abstract_excerpt":"We studied the electronic properties of beta-platinum dioxide ({\\beta}-PtO2), a catalytic material, based on density functional theory. Using the GGA+U method which reproduces the GW band structures and the experimental structural parameters, we found that the creation of an oxygen vacancy will induce local magnetic moment on the neighboring Pt and O atoms. The magnetism originates not only from the unpaired electrons that occupy the vacancy induced gap state, but also from the itinerant valence electrons. Because of antiferromagnetic (AF) coupling and the localized nature of gap states, the t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.4660","kind":"arxiv","version":2},"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":"2026-05-18T02:01:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fd+tRVaoIot/j1SXPvgKoD6uGX2TpJd7TzE9h0u6AbNNSD5dlP4vQ+I3HNLGZwlpuMnu3tFAgkPhwzov7YY3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:31:03.189850Z"},"content_sha256":"b50fee52835119752faa46cbeb6f56f8262948c7db5e34f4468e0ae954bf251c","schema_version":"1.0","event_id":"sha256:b50fee52835119752faa46cbeb6f56f8262948c7db5e34f4468e0ae954bf251c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TDM77HM3U3BL35ILSGU3GW2JT7/bundle.json","state_url":"https://pith.science/pith/TDM77HM3U3BL35ILSGU3GW2JT7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TDM77HM3U3BL35ILSGU3GW2JT7/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":"2026-06-01T17:31:03Z","links":{"resolver":"https://pith.science/pith/TDM77HM3U3BL35ILSGU3GW2JT7","bundle":"https://pith.science/pith/TDM77HM3U3BL35ILSGU3GW2JT7/bundle.json","state":"https://pith.science/pith/TDM77HM3U3BL35ILSGU3GW2JT7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TDM77HM3U3BL35ILSGU3GW2JT7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:TDM77HM3U3BL35ILSGU3GW2JT7","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":"aff94787b1cee5ac7e265dbe9db5b9d1bede751074bc6443c1ecfeaaf61197ad","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-24T00:35:16Z","title_canon_sha256":"042f04d3cd2e6d763a8359caf7127f6abe88b8002f181c9234a753c093cee3bc"},"schema_version":"1.0","source":{"id":"1105.4660","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.4660","created_at":"2026-05-18T02:01:52Z"},{"alias_kind":"arxiv_version","alias_value":"1105.4660v2","created_at":"2026-05-18T02:01:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.4660","created_at":"2026-05-18T02:01:52Z"},{"alias_kind":"pith_short_12","alias_value":"TDM77HM3U3BL","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TDM77HM3U3BL35IL","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TDM77HM3","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:b50fee52835119752faa46cbeb6f56f8262948c7db5e34f4468e0ae954bf251c","target":"graph","created_at":"2026-05-18T02:01:52Z","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":"We studied the electronic properties of beta-platinum dioxide ({\\beta}-PtO2), a catalytic material, based on density functional theory. Using the GGA+U method which reproduces the GW band structures and the experimental structural parameters, we found that the creation of an oxygen vacancy will induce local magnetic moment on the neighboring Pt and O atoms. The magnetism originates not only from the unpaired electrons that occupy the vacancy induced gap state, but also from the itinerant valence electrons. Because of antiferromagnetic (AF) coupling and the localized nature of gap states, the t","authors_text":"Osamu Sugino, Takahisa Ohno, Yong Yang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-24T00:35:16Z","title":"Possible Magnetic Behavior in Oxygen-deficient {\\beta}-PtO2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.4660","kind":"arxiv","version":2},"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":"sha256:895f91759415162912c81d92af8f8533d7471e1abbf51306cf693e251c5249ae","target":"record","created_at":"2026-05-18T02:01:52Z","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":"aff94787b1cee5ac7e265dbe9db5b9d1bede751074bc6443c1ecfeaaf61197ad","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-24T00:35:16Z","title_canon_sha256":"042f04d3cd2e6d763a8359caf7127f6abe88b8002f181c9234a753c093cee3bc"},"schema_version":"1.0","source":{"id":"1105.4660","kind":"arxiv","version":2}},"canonical_sha256":"98d9ff9d9ba6c2bdf50b91a9b35b499fc1293f4a309208ce02675b162d93cdb5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98d9ff9d9ba6c2bdf50b91a9b35b499fc1293f4a309208ce02675b162d93cdb5","first_computed_at":"2026-05-18T02:01:52.076051Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:52.076051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gTwMLNjjFeJSTzxxlBu+tuzt10TtsTctLLwawUwgBdJrWNCCrk6vVQo1cceubUz2VChQao0p809NUSNwC4TEAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:52.076975Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.4660","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:895f91759415162912c81d92af8f8533d7471e1abbf51306cf693e251c5249ae","sha256:b50fee52835119752faa46cbeb6f56f8262948c7db5e34f4468e0ae954bf251c"],"state_sha256":"525cac60c9cc2d9d654ea48212caa8c012799bf62a819cb321e5f024c92568ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kFqLjGd0+Uo51+7QqoVqaGc5F5tl0Qb/PThUoEgDSjLoJ4mNEawfifs8ia++Wo8AdpsZNW2ki03Tyw5Fp8XfDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:31:03.191788Z","bundle_sha256":"5c4c519232993907985a66041e23fc061e8d408ef925123ef36888faa2d6548d"}}