{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HJYCB5FOSLU4KCFVXXQSYRRTLX","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":"b7972c90cc8e9c2e4146145e27592a1960418c0eb39d9a3c91be77b414475579","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-16T12:11:40Z","title_canon_sha256":"efa4dd302283982dc7257acd5c0748395ef00f05e6ec4abcb13286cd2d2e5bf5"},"schema_version":"1.0","source":{"id":"1901.05253","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.05253","created_at":"2026-05-17T23:56:11Z"},{"alias_kind":"arxiv_version","alias_value":"1901.05253v1","created_at":"2026-05-17T23:56:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.05253","created_at":"2026-05-17T23:56:11Z"},{"alias_kind":"pith_short_12","alias_value":"HJYCB5FOSLU4","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"HJYCB5FOSLU4KCFV","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"HJYCB5FO","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:42c066d5ab0e78435d65660a0310c44de9b31f7f0a87f60bd8a866b060b66b81","target":"graph","created_at":"2026-05-17T23:56:11Z","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":"The term superalkali refers to the clusters with lower ionization energy than alkali atoms. Typical superalkali cations include a central electronegative core with excess metal ligands, OLi3+, for instance, which mimic the properties of alkali metal ions. We report a new series of non-metallic superalkali cations, OxH2x+1+ (x = 1-5) using ab initio MP2/6-311++G(d,p) level. These cations are designed by successive replacement of H-ligands of hydronium cation (OH3+) by ammonium (OH3) moieties followed by their geometry optimization. The resulting OxH2x+1 + clusters, which can be expressed in the","authors_text":"Ambrish Kumar Srivastava","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-16T12:11:40Z","title":"OxH2x+1+ Clusters: A New Series of Non-Metallic Superalkali Cations by Trapping H3O+ into Water"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.05253","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":"sha256:46e7962a6970d6b6a6212fd5741e9174f9f43d47368979730d76c99d9b6cbb44","target":"record","created_at":"2026-05-17T23:56:11Z","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":"b7972c90cc8e9c2e4146145e27592a1960418c0eb39d9a3c91be77b414475579","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-16T12:11:40Z","title_canon_sha256":"efa4dd302283982dc7257acd5c0748395ef00f05e6ec4abcb13286cd2d2e5bf5"},"schema_version":"1.0","source":{"id":"1901.05253","kind":"arxiv","version":1}},"canonical_sha256":"3a7020f4ae92e9c508b5bde12c46335dfb01fd5779fa6907b9d03f1fa34f5678","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a7020f4ae92e9c508b5bde12c46335dfb01fd5779fa6907b9d03f1fa34f5678","first_computed_at":"2026-05-17T23:56:11.346012Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:11.346012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IVZsnTZFBY8estPTrQzUW1LZYB5oiJTILtq/+Cl8Ct/mHnbbSONuXBbR/7WcyVjLQXh0BAO7ZhKUvWbI47duAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:11.346697Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.05253","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46e7962a6970d6b6a6212fd5741e9174f9f43d47368979730d76c99d9b6cbb44","sha256:42c066d5ab0e78435d65660a0310c44de9b31f7f0a87f60bd8a866b060b66b81"],"state_sha256":"640f2a0eed32a7a88db0924d39e0e87c613a58e313c845669bd642196145a37c"}