{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:JCJDNY4MO6CK5IONTDPGMH44OR","short_pith_number":"pith:JCJDNY4M","canonical_record":{"source":{"id":"0901.3020","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-01-20T10:28:48Z","cross_cats_sorted":[],"title_canon_sha256":"92ad0c9683e116daf4b6781e4132a3cf5a78643a2ddfd5b944360634f21cffdc","abstract_canon_sha256":"4ca3ee19f86e10d2413a27a2cea3059146c4d2701e525be7da6c0dec69a4fb98"},"schema_version":"1.0"},"canonical_sha256":"489236e38c7784aea1cd98de661f9c74663bb6add26425d6b2ba7ff8b972a8a8","source":{"kind":"arxiv","id":"0901.3020","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0901.3020","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"arxiv_version","alias_value":"0901.3020v2","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.3020","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"pith_short_12","alias_value":"JCJDNY4MO6CK","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"JCJDNY4MO6CK5ION","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"JCJDNY4M","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:JCJDNY4MO6CK5IONTDPGMH44OR","target":"record","payload":{"canonical_record":{"source":{"id":"0901.3020","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-01-20T10:28:48Z","cross_cats_sorted":[],"title_canon_sha256":"92ad0c9683e116daf4b6781e4132a3cf5a78643a2ddfd5b944360634f21cffdc","abstract_canon_sha256":"4ca3ee19f86e10d2413a27a2cea3059146c4d2701e525be7da6c0dec69a4fb98"},"schema_version":"1.0"},"canonical_sha256":"489236e38c7784aea1cd98de661f9c74663bb6add26425d6b2ba7ff8b972a8a8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:56.688858Z","signature_b64":"8OsDBDfWp5hITinPYeYvqjXeDj1FXfOHmwuHkpqjHVwibDhGw7hfgEVugsz0SaLdPlD1/Fxilu9DKaFMw1uFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"489236e38c7784aea1cd98de661f9c74663bb6add26425d6b2ba7ff8b972a8a8","last_reissued_at":"2026-05-18T02:14:56.688422Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:56.688422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0901.3020","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:14:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iqW3a1u5Y8w7EQvaSnd8WNhTR4xCocwjyHeZgjI7R2KjJujeAsO6hswrmp4l5tgjjARGXxCpoNo9Hlv+J42WCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:00:02.835185Z"},"content_sha256":"c5d1cb1c29b4d358ce74f609633143399b5bcae4fca88c44c9d5c596d7bc18f3","schema_version":"1.0","event_id":"sha256:c5d1cb1c29b4d358ce74f609633143399b5bcae4fca88c44c9d5c596d7bc18f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:JCJDNY4MO6CK5IONTDPGMH44OR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An accurate few-parameter ground state wave function for the Lithium atom","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Alexander V Turbiner, Frank E Harris, Nicolais L.Guevara","submitted_at":"2009-01-20T10:28:48Z","abstract_excerpt":"A simple, seven-parameter trial function is proposed for a description of the ground state of the Lithium atom. It includes both spin functions. Inter-electronic distances appear in exponential form as well as in a pre-exponential factor, and the necessary energy matrix elements are evaluated by numerical integration in the space of the relative coordinates. Encouragingly accurate values of the energy and the cusp parameters as well as for some expectation values are obtained."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.3020","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:14:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EtWXivp4ebPuY52d5ncXu9IFhIFEsV3z9k28J+4sTnEhOhr+PnX7/aNMw28FVUcN0hN1r5+qW5FzrBrBQJVBBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:00:02.835896Z"},"content_sha256":"f18276a195de52c4d613fedd9e87543d15b2e472aa80ae76e560100a3140f6c7","schema_version":"1.0","event_id":"sha256:f18276a195de52c4d613fedd9e87543d15b2e472aa80ae76e560100a3140f6c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JCJDNY4MO6CK5IONTDPGMH44OR/bundle.json","state_url":"https://pith.science/pith/JCJDNY4MO6CK5IONTDPGMH44OR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JCJDNY4MO6CK5IONTDPGMH44OR/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":"2026-05-25T19:00:02Z","links":{"resolver":"https://pith.science/pith/JCJDNY4MO6CK5IONTDPGMH44OR","bundle":"https://pith.science/pith/JCJDNY4MO6CK5IONTDPGMH44OR/bundle.json","state":"https://pith.science/pith/JCJDNY4MO6CK5IONTDPGMH44OR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JCJDNY4MO6CK5IONTDPGMH44OR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:JCJDNY4MO6CK5IONTDPGMH44OR","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":"4ca3ee19f86e10d2413a27a2cea3059146c4d2701e525be7da6c0dec69a4fb98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-01-20T10:28:48Z","title_canon_sha256":"92ad0c9683e116daf4b6781e4132a3cf5a78643a2ddfd5b944360634f21cffdc"},"schema_version":"1.0","source":{"id":"0901.3020","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0901.3020","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"arxiv_version","alias_value":"0901.3020v2","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.3020","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"pith_short_12","alias_value":"JCJDNY4MO6CK","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"JCJDNY4MO6CK5ION","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"JCJDNY4M","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:f18276a195de52c4d613fedd9e87543d15b2e472aa80ae76e560100a3140f6c7","target":"graph","created_at":"2026-05-18T02:14:56Z","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":"A simple, seven-parameter trial function is proposed for a description of the ground state of the Lithium atom. It includes both spin functions. Inter-electronic distances appear in exponential form as well as in a pre-exponential factor, and the necessary energy matrix elements are evaluated by numerical integration in the space of the relative coordinates. Encouragingly accurate values of the energy and the cusp parameters as well as for some expectation values are obtained.","authors_text":"Alexander V Turbiner, Frank E Harris, Nicolais L.Guevara","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-01-20T10:28:48Z","title":"An accurate few-parameter ground state wave function for the Lithium atom"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.3020","kind":"arxiv","version":2},"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:c5d1cb1c29b4d358ce74f609633143399b5bcae4fca88c44c9d5c596d7bc18f3","target":"record","created_at":"2026-05-18T02:14:56Z","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":"4ca3ee19f86e10d2413a27a2cea3059146c4d2701e525be7da6c0dec69a4fb98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-01-20T10:28:48Z","title_canon_sha256":"92ad0c9683e116daf4b6781e4132a3cf5a78643a2ddfd5b944360634f21cffdc"},"schema_version":"1.0","source":{"id":"0901.3020","kind":"arxiv","version":2}},"canonical_sha256":"489236e38c7784aea1cd98de661f9c74663bb6add26425d6b2ba7ff8b972a8a8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"489236e38c7784aea1cd98de661f9c74663bb6add26425d6b2ba7ff8b972a8a8","first_computed_at":"2026-05-18T02:14:56.688422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:56.688422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8OsDBDfWp5hITinPYeYvqjXeDj1FXfOHmwuHkpqjHVwibDhGw7hfgEVugsz0SaLdPlD1/Fxilu9DKaFMw1uFBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:56.688858Z","signed_message":"canonical_sha256_bytes"},"source_id":"0901.3020","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c5d1cb1c29b4d358ce74f609633143399b5bcae4fca88c44c9d5c596d7bc18f3","sha256:f18276a195de52c4d613fedd9e87543d15b2e472aa80ae76e560100a3140f6c7"],"state_sha256":"e57699c29462971ef2dd5197acd2c26da41de7c1c6574267f0f07b20a852c042"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H6yugx+OFtowBO9mYCZdRhZL79dl2EsBAbMCOg4m/Ap6k65jwhOiTfq+iAa7l6QBXUCKbpMwEYAy68+iawwZBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:00:02.839549Z","bundle_sha256":"50647054fa8a5467f5635c446040e733800c3d9deec89a26f21218a75368a9bf"}}