{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CKR2ZD5SHEVOO333PYE7AAXMYR","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":"34c14d73c3bee48670782e8881e8d3ab6add21a8ecb484a4319112c95c4bc892","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-27T07:07:28Z","title_canon_sha256":"ad6c4743978df58a62f1fbfbd7b75ddfb42a6ddde658e25927a589adcb3df6b9"},"schema_version":"1.0","source":{"id":"1609.08284","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08284","created_at":"2026-05-18T00:45:01Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08284v1","created_at":"2026-05-18T00:45:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08284","created_at":"2026-05-18T00:45:01Z"},{"alias_kind":"pith_short_12","alias_value":"CKR2ZD5SHEVO","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CKR2ZD5SHEVOO333","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CKR2ZD5S","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:b51a1b6717b4dbed867d67dcccdb97760875fadf61a9134658460c18cd677bc4","target":"graph","created_at":"2026-05-18T00:45:01Z","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":"Thermodynamics and kinetics of Li, Na, and Mg storage in Ge is studied ab initio. The most stable configurations can consist of tetrahedral, substitutional, or a combination of the two types of sites. In the dilute limit, Li, Na prefer interstitial, while Mg prefers substitutional sites. At higher concentrations of Li, Na, and Mg, there is a combination of interstitial and substitutional sites. This is an important finding, as previous ab initio studies of alloying type electrode materials ignored substitutional sites. Insertion energies computed at dilute concentration (x = 1/64) show that Na","authors_text":"Fleur Legrain, Sergei Manzhos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-27T07:07:28Z","title":"A First-Principles Comparative Study of Lithium, Sodium, and Magnesium Storage in Pure and Gallium-Doped Germanium: Competition between Interstitial and Substitutional Sites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08284","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":"sha256:6002a68864fbb82052403153b516139656066ad3edde5961ed17374a5526908c","target":"record","created_at":"2026-05-18T00:45:01Z","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":"34c14d73c3bee48670782e8881e8d3ab6add21a8ecb484a4319112c95c4bc892","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-27T07:07:28Z","title_canon_sha256":"ad6c4743978df58a62f1fbfbd7b75ddfb42a6ddde658e25927a589adcb3df6b9"},"schema_version":"1.0","source":{"id":"1609.08284","kind":"arxiv","version":1}},"canonical_sha256":"12a3ac8fb2392ae76f7b7e09f002ecc4634d55da4e833b70e8bb58e36892897c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"12a3ac8fb2392ae76f7b7e09f002ecc4634d55da4e833b70e8bb58e36892897c","first_computed_at":"2026-05-18T00:45:01.488001Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:01.488001Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TQXImknyCy89rYXcJIUHyOt2T2FWdGMBCU5QPx1EmjkqVxZ20+Bxl3nU44xVNJxFp2NWFvykcqvT67MCCv4eBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:01.488379Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.08284","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6002a68864fbb82052403153b516139656066ad3edde5961ed17374a5526908c","sha256:b51a1b6717b4dbed867d67dcccdb97760875fadf61a9134658460c18cd677bc4"],"state_sha256":"4c66b85e4ec3d9f0cf04751dc6f93781ead1b742c37e2b361bc332ceeb71030d"}