{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6CBA44PNQQISASGGUIXLGWUWEM","short_pith_number":"pith:6CBA44PN","canonical_record":{"source":{"id":"1305.6283","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-27T18:15:54Z","cross_cats_sorted":[],"title_canon_sha256":"c76461ac1779eb18abc67b42d746b033009ab09d0d4800ab63723d6569d517fb","abstract_canon_sha256":"86035f2dfdd2446c159bf536b58523538e1b4ff3ca7b5e78d0625344023bf755"},"schema_version":"1.0"},"canonical_sha256":"f0820e71ed84112048c6a22eb35a96230351c2609e23dadaa86a34d67e0adca6","source":{"kind":"arxiv","id":"1305.6283","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6283","created_at":"2026-05-18T02:58:46Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6283v3","created_at":"2026-05-18T02:58:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6283","created_at":"2026-05-18T02:58:46Z"},{"alias_kind":"pith_short_12","alias_value":"6CBA44PNQQIS","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6CBA44PNQQISASGG","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6CBA44PN","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6CBA44PNQQISASGGUIXLGWUWEM","target":"record","payload":{"canonical_record":{"source":{"id":"1305.6283","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-27T18:15:54Z","cross_cats_sorted":[],"title_canon_sha256":"c76461ac1779eb18abc67b42d746b033009ab09d0d4800ab63723d6569d517fb","abstract_canon_sha256":"86035f2dfdd2446c159bf536b58523538e1b4ff3ca7b5e78d0625344023bf755"},"schema_version":"1.0"},"canonical_sha256":"f0820e71ed84112048c6a22eb35a96230351c2609e23dadaa86a34d67e0adca6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:58:46.121292Z","signature_b64":"Cd4Vk1bPEbe39L97pFXKWTe1lXZHGe+orAMBnvcb0W8vLPhiQd7Fms219DfeQAG3H1iBETikJA8w9hhMVJ8KBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0820e71ed84112048c6a22eb35a96230351c2609e23dadaa86a34d67e0adca6","last_reissued_at":"2026-05-18T02:58:46.120375Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:58:46.120375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.6283","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:58:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WweLWDsPPiHAUTcUC7kN/o/naLBzRlgpNu7+odKRiBG/1APK2FWlwVUgA6gossz4akkO564GyujNveu2w1mmBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:21:15.222429Z"},"content_sha256":"e858844211dfd54fc1e977b00f82cf50f100f3a3f39d477fe0649dd856d296e1","schema_version":"1.0","event_id":"sha256:e858844211dfd54fc1e977b00f82cf50f100f3a3f39d477fe0649dd856d296e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6CBA44PNQQISASGGUIXLGWUWEM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic Structure and Spectra of CuO","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"C. E. Ekuma, J. Moreno, M. Jarrell, V. I. Anisimov","submitted_at":"2013-05-27T18:15:54Z","abstract_excerpt":"We report the electronic structure of monoclinic CuO as obtained from first principles calculations utilizing density functional theory plus effective Coulomb interaction (DFT + U) method. In contrast to standard DFT calculations taking into account electronic correlations in DFT + U gave antiferromagnetic insulator with energy gap and magnetic moment values in good agreement with experimental data. The electronic states around the Fermi level are formed by partially filled Cu 3$d_{x^2-y^2}$ orbitals with significant admixture of O 2$p$ states. Theoretical spectra are calculated using DFT + U "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6283","kind":"arxiv","version":3},"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":"2026-05-18T02:58:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mMedhQJJ1iscf+sHxZOyHoLZ63zLZQPXE+cd3sP4EjDq36GDIseivzmFBCic6DmCoP9XF1XCyeRbvPKqkCg+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:21:15.222777Z"},"content_sha256":"dbaa4e470038f5df2e6741db8f19df48febdc7f39b16d804455fc6101520a4dc","schema_version":"1.0","event_id":"sha256:dbaa4e470038f5df2e6741db8f19df48febdc7f39b16d804455fc6101520a4dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6CBA44PNQQISASGGUIXLGWUWEM/bundle.json","state_url":"https://pith.science/pith/6CBA44PNQQISASGGUIXLGWUWEM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6CBA44PNQQISASGGUIXLGWUWEM/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":"2026-06-01T21:21:15Z","links":{"resolver":"https://pith.science/pith/6CBA44PNQQISASGGUIXLGWUWEM","bundle":"https://pith.science/pith/6CBA44PNQQISASGGUIXLGWUWEM/bundle.json","state":"https://pith.science/pith/6CBA44PNQQISASGGUIXLGWUWEM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6CBA44PNQQISASGGUIXLGWUWEM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6CBA44PNQQISASGGUIXLGWUWEM","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":"86035f2dfdd2446c159bf536b58523538e1b4ff3ca7b5e78d0625344023bf755","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-27T18:15:54Z","title_canon_sha256":"c76461ac1779eb18abc67b42d746b033009ab09d0d4800ab63723d6569d517fb"},"schema_version":"1.0","source":{"id":"1305.6283","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6283","created_at":"2026-05-18T02:58:46Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6283v3","created_at":"2026-05-18T02:58:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6283","created_at":"2026-05-18T02:58:46Z"},{"alias_kind":"pith_short_12","alias_value":"6CBA44PNQQIS","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6CBA44PNQQISASGG","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6CBA44PN","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:dbaa4e470038f5df2e6741db8f19df48febdc7f39b16d804455fc6101520a4dc","target":"graph","created_at":"2026-05-18T02:58:46Z","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 report the electronic structure of monoclinic CuO as obtained from first principles calculations utilizing density functional theory plus effective Coulomb interaction (DFT + U) method. In contrast to standard DFT calculations taking into account electronic correlations in DFT + U gave antiferromagnetic insulator with energy gap and magnetic moment values in good agreement with experimental data. The electronic states around the Fermi level are formed by partially filled Cu 3$d_{x^2-y^2}$ orbitals with significant admixture of O 2$p$ states. Theoretical spectra are calculated using DFT + U ","authors_text":"C. E. Ekuma, J. Moreno, M. Jarrell, V. I. Anisimov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-27T18:15:54Z","title":"Electronic Structure and Spectra of CuO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6283","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:e858844211dfd54fc1e977b00f82cf50f100f3a3f39d477fe0649dd856d296e1","target":"record","created_at":"2026-05-18T02:58:46Z","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":"86035f2dfdd2446c159bf536b58523538e1b4ff3ca7b5e78d0625344023bf755","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-05-27T18:15:54Z","title_canon_sha256":"c76461ac1779eb18abc67b42d746b033009ab09d0d4800ab63723d6569d517fb"},"schema_version":"1.0","source":{"id":"1305.6283","kind":"arxiv","version":3}},"canonical_sha256":"f0820e71ed84112048c6a22eb35a96230351c2609e23dadaa86a34d67e0adca6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f0820e71ed84112048c6a22eb35a96230351c2609e23dadaa86a34d67e0adca6","first_computed_at":"2026-05-18T02:58:46.120375Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:58:46.120375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Cd4Vk1bPEbe39L97pFXKWTe1lXZHGe+orAMBnvcb0W8vLPhiQd7Fms219DfeQAG3H1iBETikJA8w9hhMVJ8KBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:58:46.121292Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.6283","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e858844211dfd54fc1e977b00f82cf50f100f3a3f39d477fe0649dd856d296e1","sha256:dbaa4e470038f5df2e6741db8f19df48febdc7f39b16d804455fc6101520a4dc"],"state_sha256":"77da1c3ead8d34f0f85ff21a38e33e6adb25af16c96ab93d29d891f30a669d5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"doL2essW3E7s6KRrruWAnfmK6zBcwTBc1qhdNgQTZmyFKKwq1Ye347mS31b2UkO3fHwamGryxiUr/s3KWTAYDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T21:21:15.224763Z","bundle_sha256":"f70e6d8d5ebfb9b3026fdb88c51961f78f33df09748856a5d3cc3ecaa4c4f0c1"}}