{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:FIO3S74GSZPIBL5CWUNZ34OBVA","short_pith_number":"pith:FIO3S74G","canonical_record":{"source":{"id":"1307.2866","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-07-10T18:00:16Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"0ddf65e3e7d050bd2428a277fbc0c2849bce3afb83bf3ba9720ed17009d50b02","abstract_canon_sha256":"3c21cd33c133975713fad3add8fd5f47f4da5b1f30bc1d15c3e2e763b3785178"},"schema_version":"1.0"},"canonical_sha256":"2a1db97f86965e80afa2b51b9df1c1a819cb29b8a39f7b2f8de53cf36d5b2ac3","source":{"kind":"arxiv","id":"1307.2866","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.2866","created_at":"2026-05-18T03:18:50Z"},{"alias_kind":"arxiv_version","alias_value":"1307.2866v1","created_at":"2026-05-18T03:18:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.2866","created_at":"2026-05-18T03:18:50Z"},{"alias_kind":"pith_short_12","alias_value":"FIO3S74GSZPI","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"FIO3S74GSZPIBL5C","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"FIO3S74G","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:FIO3S74GSZPIBL5CWUNZ34OBVA","target":"record","payload":{"canonical_record":{"source":{"id":"1307.2866","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-07-10T18:00:16Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"0ddf65e3e7d050bd2428a277fbc0c2849bce3afb83bf3ba9720ed17009d50b02","abstract_canon_sha256":"3c21cd33c133975713fad3add8fd5f47f4da5b1f30bc1d15c3e2e763b3785178"},"schema_version":"1.0"},"canonical_sha256":"2a1db97f86965e80afa2b51b9df1c1a819cb29b8a39f7b2f8de53cf36d5b2ac3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:18:50.202103Z","signature_b64":"hxzmN84sfrozQwOAcn3MsJEq5Bj+SG97A57pLl7GYF7bwEQ1Lx7kbxWeFEm12PAZlTiNelfZMT7s4j2fwQKTCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a1db97f86965e80afa2b51b9df1c1a819cb29b8a39f7b2f8de53cf36d5b2ac3","last_reissued_at":"2026-05-18T03:18:50.201431Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:18:50.201431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.2866","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":"2026-05-18T03:18:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pl/GIwV5jkXVKMIs3lET4xVihUw5U9HkBxX6ty3rGR9Ux9PEBCmlqKg24nWiQo3h1oIv6GBYB5VTOA6MvNsbCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T16:32:06.504770Z"},"content_sha256":"336def7592521bcfeefe9eecadeb9833ea84cb2f37e38fd1bbf1373644784570","schema_version":"1.0","event_id":"sha256:336def7592521bcfeefe9eecadeb9833ea84cb2f37e38fd1bbf1373644784570"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:FIO3S74GSZPIBL5CWUNZ34OBVA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cobalt-related impurity centers in diamond: electronic properties and hyperfine parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.comp-ph","authors_text":"J. F. Justo, L. V. C. Assali, R. Larico, W. V. M. Machado","submitted_at":"2013-07-10T18:00:16Z","abstract_excerpt":"Cobalt-related impurity centers in diamond have been studied using first principles calculations. We computed the symmetry, formation and transition energies, and hyperfine parameters of cobalt impurities in isolated configurations and in complexes involving vacancies and nitrogen atoms. We found that the Co impurity in a divacant site is energetically favorable and segregates nitrogen atoms in its neighborhood. Our results were discussed in the context of the recently observed Co-related electrically active centers in synthetic diamond."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.2866","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":"2026-05-18T03:18:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"giifyaQ4IVQcPl1JO2qLW4YaW0iFWWwQI2If7TduhZenjfGjYN24QQBQ07grcYrUq84HE55N8A5VUsiE7nEHDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T16:32:06.505110Z"},"content_sha256":"8eccf8d23eafd72bc129034a7dd00115ca2c50363320323c5cb10bafa9384335","schema_version":"1.0","event_id":"sha256:8eccf8d23eafd72bc129034a7dd00115ca2c50363320323c5cb10bafa9384335"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FIO3S74GSZPIBL5CWUNZ34OBVA/bundle.json","state_url":"https://pith.science/pith/FIO3S74GSZPIBL5CWUNZ34OBVA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FIO3S74GSZPIBL5CWUNZ34OBVA/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":"2026-06-20T16:32:06Z","links":{"resolver":"https://pith.science/pith/FIO3S74GSZPIBL5CWUNZ34OBVA","bundle":"https://pith.science/pith/FIO3S74GSZPIBL5CWUNZ34OBVA/bundle.json","state":"https://pith.science/pith/FIO3S74GSZPIBL5CWUNZ34OBVA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FIO3S74GSZPIBL5CWUNZ34OBVA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:FIO3S74GSZPIBL5CWUNZ34OBVA","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":"3c21cd33c133975713fad3add8fd5f47f4da5b1f30bc1d15c3e2e763b3785178","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-07-10T18:00:16Z","title_canon_sha256":"0ddf65e3e7d050bd2428a277fbc0c2849bce3afb83bf3ba9720ed17009d50b02"},"schema_version":"1.0","source":{"id":"1307.2866","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.2866","created_at":"2026-05-18T03:18:50Z"},{"alias_kind":"arxiv_version","alias_value":"1307.2866v1","created_at":"2026-05-18T03:18:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.2866","created_at":"2026-05-18T03:18:50Z"},{"alias_kind":"pith_short_12","alias_value":"FIO3S74GSZPI","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"FIO3S74GSZPIBL5C","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"FIO3S74G","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:8eccf8d23eafd72bc129034a7dd00115ca2c50363320323c5cb10bafa9384335","target":"graph","created_at":"2026-05-18T03:18:50Z","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":"Cobalt-related impurity centers in diamond have been studied using first principles calculations. We computed the symmetry, formation and transition energies, and hyperfine parameters of cobalt impurities in isolated configurations and in complexes involving vacancies and nitrogen atoms. We found that the Co impurity in a divacant site is energetically favorable and segregates nitrogen atoms in its neighborhood. Our results were discussed in the context of the recently observed Co-related electrically active centers in synthetic diamond.","authors_text":"J. F. Justo, L. V. C. Assali, R. Larico, W. V. M. Machado","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-07-10T18:00:16Z","title":"Cobalt-related impurity centers in diamond: electronic properties and hyperfine parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.2866","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":"sha256:336def7592521bcfeefe9eecadeb9833ea84cb2f37e38fd1bbf1373644784570","target":"record","created_at":"2026-05-18T03:18:50Z","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":"3c21cd33c133975713fad3add8fd5f47f4da5b1f30bc1d15c3e2e763b3785178","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-07-10T18:00:16Z","title_canon_sha256":"0ddf65e3e7d050bd2428a277fbc0c2849bce3afb83bf3ba9720ed17009d50b02"},"schema_version":"1.0","source":{"id":"1307.2866","kind":"arxiv","version":1}},"canonical_sha256":"2a1db97f86965e80afa2b51b9df1c1a819cb29b8a39f7b2f8de53cf36d5b2ac3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a1db97f86965e80afa2b51b9df1c1a819cb29b8a39f7b2f8de53cf36d5b2ac3","first_computed_at":"2026-05-18T03:18:50.201431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:18:50.201431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hxzmN84sfrozQwOAcn3MsJEq5Bj+SG97A57pLl7GYF7bwEQ1Lx7kbxWeFEm12PAZlTiNelfZMT7s4j2fwQKTCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:18:50.202103Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.2866","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:336def7592521bcfeefe9eecadeb9833ea84cb2f37e38fd1bbf1373644784570","sha256:8eccf8d23eafd72bc129034a7dd00115ca2c50363320323c5cb10bafa9384335"],"state_sha256":"195e0b516cb89cf9b4f2e71cbbf570e8e65f2713d850fcb9fe48baf19f84dcec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fJ3I4N26kW9N1jdZEKWLfFcLUKqFTyujzQIPQ+0nZmqQbmB0/R8Ev3XhkeKbSiF+E7wl+j4fYuCYPhX8neujBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T16:32:06.507111Z","bundle_sha256":"69687146fcd9baa73bc3f5cebe5194636472443e3f97954847aed55d91ec5847"}}