{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:4PVUZF74HLNPLFUNMRA6J5VFG7","short_pith_number":"pith:4PVUZF74","schema_version":"1.0","canonical_sha256":"e3eb4c97fc3adaf5968d6441e4f6a537da8db9ad75830d36d82641241ebbe028","source":{"kind":"arxiv","id":"1108.3530","version":2},"attestation_state":"computed","paper":{"title":"Ab initio properties of Li-Group-II molecules for ultracold matter studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"quant-ph","authors_text":"Alexander Petrov, Jacek K{\\l}os, Maria Linnik, Paul S. Julienne, Svetlana Kotochigova","submitted_at":"2011-08-17T17:23:47Z","abstract_excerpt":"We perform a systematic investigation of the electronic properties of the $^2\\Sigma^+$ ground state of Li-alkaline-earth dimers. These molecules are proposed as possible candidates for quantum simulation of lattice-spin models. We apply powerful quantum chemistry coupled-cluster methods with large basis sets to calculate potential energies, permanent dipole moment, and electron density distributions for LiBe, LiMg, LiCa, LiSr, and LiYb. Our results reveal a surprising irregularity in the dissociation energy and bond length with an increase in the reduced mass of the molecule. At the same time "},"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":"1108.3530","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-17T17:23:47Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"3ae7d59cd5b058427e6274523737310e08c6541e0919ffd78c463e7eb6ee06e4","abstract_canon_sha256":"768ad98184271dfdcb47955e4fc93e33a0a268846ce55c9afe42539bcf38a756"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:52.736248Z","signature_b64":"nKBZffPv4YhpHcPZUIXlY5PoFe+hILqXvVvbelvkkbmiefdi+Pl4mzvlbAK1s/4TpHdOnrdu2w0aqAmQi5SqCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3eb4c97fc3adaf5968d6441e4f6a537da8db9ad75830d36d82641241ebbe028","last_reissued_at":"2026-05-18T02:00:52.735608Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:52.735608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ab initio properties of Li-Group-II molecules for ultracold matter studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"quant-ph","authors_text":"Alexander Petrov, Jacek K{\\l}os, Maria Linnik, Paul S. Julienne, Svetlana Kotochigova","submitted_at":"2011-08-17T17:23:47Z","abstract_excerpt":"We perform a systematic investigation of the electronic properties of the $^2\\Sigma^+$ ground state of Li-alkaline-earth dimers. These molecules are proposed as possible candidates for quantum simulation of lattice-spin models. We apply powerful quantum chemistry coupled-cluster methods with large basis sets to calculate potential energies, permanent dipole moment, and electron density distributions for LiBe, LiMg, LiCa, LiSr, and LiYb. Our results reveal a surprising irregularity in the dissociation energy and bond length with an increase in the reduced mass of the molecule. At the same time "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.3530","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1108.3530","created_at":"2026-05-18T02:00:52.735722+00:00"},{"alias_kind":"arxiv_version","alias_value":"1108.3530v2","created_at":"2026-05-18T02:00:52.735722+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.3530","created_at":"2026-05-18T02:00:52.735722+00:00"},{"alias_kind":"pith_short_12","alias_value":"4PVUZF74HLNP","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_16","alias_value":"4PVUZF74HLNPLFUN","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_8","alias_value":"4PVUZF74","created_at":"2026-05-18T12:26:20.644004+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/4PVUZF74HLNPLFUNMRA6J5VFG7","json":"https://pith.science/pith/4PVUZF74HLNPLFUNMRA6J5VFG7.json","graph_json":"https://pith.science/api/pith-number/4PVUZF74HLNPLFUNMRA6J5VFG7/graph.json","events_json":"https://pith.science/api/pith-number/4PVUZF74HLNPLFUNMRA6J5VFG7/events.json","paper":"https://pith.science/paper/4PVUZF74"},"agent_actions":{"view_html":"https://pith.science/pith/4PVUZF74HLNPLFUNMRA6J5VFG7","download_json":"https://pith.science/pith/4PVUZF74HLNPLFUNMRA6J5VFG7.json","view_paper":"https://pith.science/paper/4PVUZF74","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1108.3530&json=true","fetch_graph":"https://pith.science/api/pith-number/4PVUZF74HLNPLFUNMRA6J5VFG7/graph.json","fetch_events":"https://pith.science/api/pith-number/4PVUZF74HLNPLFUNMRA6J5VFG7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4PVUZF74HLNPLFUNMRA6J5VFG7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4PVUZF74HLNPLFUNMRA6J5VFG7/action/storage_attestation","attest_author":"https://pith.science/pith/4PVUZF74HLNPLFUNMRA6J5VFG7/action/author_attestation","sign_citation":"https://pith.science/pith/4PVUZF74HLNPLFUNMRA6J5VFG7/action/citation_signature","submit_replication":"https://pith.science/pith/4PVUZF74HLNPLFUNMRA6J5VFG7/action/replication_record"}},"created_at":"2026-05-18T02:00:52.735722+00:00","updated_at":"2026-05-18T02:00:52.735722+00:00"}