{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:GSXKYJSR5EAGNCI5ICO5GUYMEP","short_pith_number":"pith:GSXKYJSR","schema_version":"1.0","canonical_sha256":"34aeac2651e90066891d409dd3530c23f716f1b1c071388da54aab25b46a287b","source":{"kind":"arxiv","id":"1210.6973","version":1},"attestation_state":"computed","paper":{"title":"Ab Initio Many-body Study of Cobalt Adatoms Adsorbed on Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Henry Krakauer, Shiwei Zhang, Wirawan Purwanto, Yudistira Virgus","submitted_at":"2012-10-25T19:54:09Z","abstract_excerpt":"Many recent calculations have been performed to study a Co atom adsorbed on graphene, with significantly varying results on the nature of the bonding. We use auxiliary-field quantum Monte Carlo (AFQMC) and a size-correction embedding scheme to accurately calculate the binding energy of Co on graphene. We find that as a function of the distance h between the Co atom and the six-fold hollow site, there are three distinct ground states corresponding to three electronic configurations of the Co atom. Two of these states provide binding and exhibit a double-well feature with nearly equal binding en"},"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":"1210.6973","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-25T19:54:09Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"7b89ceb625f338fa855c0e7adbd3d484a090fc2dac05029e18be97a089cc785d","abstract_canon_sha256":"c7e434d86af9f89492b144f152cc7828de828ac6380f84b4273d356198452f5e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:37:40.724326Z","signature_b64":"/Q8XM+IBfsC3vH1M5K2HWV5B4U/OckrrMU4gJ9M6CCJBAD5ncjJ3qqDni9NlSrgnLhwkudqjV/zXPTYK4HU9Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34aeac2651e90066891d409dd3530c23f716f1b1c071388da54aab25b46a287b","last_reissued_at":"2026-05-18T03:37:40.723824Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:37:40.723824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ab Initio Many-body Study of Cobalt Adatoms Adsorbed on Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Henry Krakauer, Shiwei Zhang, Wirawan Purwanto, Yudistira Virgus","submitted_at":"2012-10-25T19:54:09Z","abstract_excerpt":"Many recent calculations have been performed to study a Co atom adsorbed on graphene, with significantly varying results on the nature of the bonding. We use auxiliary-field quantum Monte Carlo (AFQMC) and a size-correction embedding scheme to accurately calculate the binding energy of Co on graphene. We find that as a function of the distance h between the Co atom and the six-fold hollow site, there are three distinct ground states corresponding to three electronic configurations of the Co atom. Two of these states provide binding and exhibit a double-well feature with nearly equal binding en"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.6973","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":"1210.6973","created_at":"2026-05-18T03:37:40.723875+00:00"},{"alias_kind":"arxiv_version","alias_value":"1210.6973v1","created_at":"2026-05-18T03:37:40.723875+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.6973","created_at":"2026-05-18T03:37:40.723875+00:00"},{"alias_kind":"pith_short_12","alias_value":"GSXKYJSR5EAG","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_16","alias_value":"GSXKYJSR5EAGNCI5","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_8","alias_value":"GSXKYJSR","created_at":"2026-05-18T12:27:06.952714+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/GSXKYJSR5EAGNCI5ICO5GUYMEP","json":"https://pith.science/pith/GSXKYJSR5EAGNCI5ICO5GUYMEP.json","graph_json":"https://pith.science/api/pith-number/GSXKYJSR5EAGNCI5ICO5GUYMEP/graph.json","events_json":"https://pith.science/api/pith-number/GSXKYJSR5EAGNCI5ICO5GUYMEP/events.json","paper":"https://pith.science/paper/GSXKYJSR"},"agent_actions":{"view_html":"https://pith.science/pith/GSXKYJSR5EAGNCI5ICO5GUYMEP","download_json":"https://pith.science/pith/GSXKYJSR5EAGNCI5ICO5GUYMEP.json","view_paper":"https://pith.science/paper/GSXKYJSR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1210.6973&json=true","fetch_graph":"https://pith.science/api/pith-number/GSXKYJSR5EAGNCI5ICO5GUYMEP/graph.json","fetch_events":"https://pith.science/api/pith-number/GSXKYJSR5EAGNCI5ICO5GUYMEP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GSXKYJSR5EAGNCI5ICO5GUYMEP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GSXKYJSR5EAGNCI5ICO5GUYMEP/action/storage_attestation","attest_author":"https://pith.science/pith/GSXKYJSR5EAGNCI5ICO5GUYMEP/action/author_attestation","sign_citation":"https://pith.science/pith/GSXKYJSR5EAGNCI5ICO5GUYMEP/action/citation_signature","submit_replication":"https://pith.science/pith/GSXKYJSR5EAGNCI5ICO5GUYMEP/action/replication_record"}},"created_at":"2026-05-18T03:37:40.723875+00:00","updated_at":"2026-05-18T03:37:40.723875+00:00"}