{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:RKFW6PT5EGZQ44BMVQ3UN4RCN5","short_pith_number":"pith:RKFW6PT5","schema_version":"1.0","canonical_sha256":"8a8b6f3e7d21b30e702cac3746f2226f6bf0a31d02842866150b3b64683e2425","source":{"kind":"arxiv","id":"1208.6536","version":1},"attestation_state":"computed","paper":{"title":"Optical absorption in boron clusters B$_{6}$ and B$_{6}^{+}$ : A first principles configuration interaction approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.atm-clus","authors_text":"Alok Shukla, Ravindra Shinde","submitted_at":"2012-08-31T16:07:25Z","abstract_excerpt":"The linear optical absorption spectra in neutral boron cluster B$_{6}$ and cationic B$_{6}^{+}$ are calculated using a first principles correlated electron approach. The geometries of several low-lying isomers of these clusters were optimized at the coupled-cluster singles doubles (CCSD) level of theory. With these optimized ground-state geometries, excited states of different isomers were computed using the singles configuration-interaction (SCI) approach. The many body wavefunctions of various excited states have been analysed and the nature of optical excitation involved are found to be of "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1208.6536","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atm-clus","submitted_at":"2012-08-31T16:07:25Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"08006c64429d39d7756fd2f5a4503632a07251f797d9c1b84c883a4b4355a84a","abstract_canon_sha256":"a49dd2e748910ead58c22c2c0ff1353f9db280806be8534da1b42a4b278b954a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:22.533169Z","signature_b64":"hn2H8vytEs7nTw75j48W+iwlQ5e1YwWHh9wsLCiK0tehWVKy8Fg3eGd9BYhzyU2F//F+8K+Gcr/Bm/tMe8DMBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a8b6f3e7d21b30e702cac3746f2226f6bf0a31d02842866150b3b64683e2425","last_reissued_at":"2026-05-18T03:06:22.532409Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:22.532409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical absorption in boron clusters B$_{6}$ and B$_{6}^{+}$ : A first principles configuration interaction approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.atm-clus","authors_text":"Alok Shukla, Ravindra Shinde","submitted_at":"2012-08-31T16:07:25Z","abstract_excerpt":"The linear optical absorption spectra in neutral boron cluster B$_{6}$ and cationic B$_{6}^{+}$ are calculated using a first principles correlated electron approach. The geometries of several low-lying isomers of these clusters were optimized at the coupled-cluster singles doubles (CCSD) level of theory. With these optimized ground-state geometries, excited states of different isomers were computed using the singles configuration-interaction (SCI) approach. The many body wavefunctions of various excited states have been analysed and the nature of optical excitation involved are found to be of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.6536","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1208.6536","created_at":"2026-05-18T03:06:22.532534+00:00"},{"alias_kind":"arxiv_version","alias_value":"1208.6536v1","created_at":"2026-05-18T03:06:22.532534+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.6536","created_at":"2026-05-18T03:06:22.532534+00:00"},{"alias_kind":"pith_short_12","alias_value":"RKFW6PT5EGZQ","created_at":"2026-05-18T12:27:20.899486+00:00"},{"alias_kind":"pith_short_16","alias_value":"RKFW6PT5EGZQ44BM","created_at":"2026-05-18T12:27:20.899486+00:00"},{"alias_kind":"pith_short_8","alias_value":"RKFW6PT5","created_at":"2026-05-18T12:27:20.899486+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RKFW6PT5EGZQ44BMVQ3UN4RCN5","json":"https://pith.science/pith/RKFW6PT5EGZQ44BMVQ3UN4RCN5.json","graph_json":"https://pith.science/api/pith-number/RKFW6PT5EGZQ44BMVQ3UN4RCN5/graph.json","events_json":"https://pith.science/api/pith-number/RKFW6PT5EGZQ44BMVQ3UN4RCN5/events.json","paper":"https://pith.science/paper/RKFW6PT5"},"agent_actions":{"view_html":"https://pith.science/pith/RKFW6PT5EGZQ44BMVQ3UN4RCN5","download_json":"https://pith.science/pith/RKFW6PT5EGZQ44BMVQ3UN4RCN5.json","view_paper":"https://pith.science/paper/RKFW6PT5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1208.6536&json=true","fetch_graph":"https://pith.science/api/pith-number/RKFW6PT5EGZQ44BMVQ3UN4RCN5/graph.json","fetch_events":"https://pith.science/api/pith-number/RKFW6PT5EGZQ44BMVQ3UN4RCN5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RKFW6PT5EGZQ44BMVQ3UN4RCN5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RKFW6PT5EGZQ44BMVQ3UN4RCN5/action/storage_attestation","attest_author":"https://pith.science/pith/RKFW6PT5EGZQ44BMVQ3UN4RCN5/action/author_attestation","sign_citation":"https://pith.science/pith/RKFW6PT5EGZQ44BMVQ3UN4RCN5/action/citation_signature","submit_replication":"https://pith.science/pith/RKFW6PT5EGZQ44BMVQ3UN4RCN5/action/replication_record"}},"created_at":"2026-05-18T03:06:22.532534+00:00","updated_at":"2026-05-18T03:06:22.532534+00:00"}