{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:3CB3HGAL6O4BO7OUTWCDMK7ZVB","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":"7438ed177388f95c25716cd910058e09cd25aea7cfb7513c1e3701d21725f853","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-03-03T17:53:12Z","title_canon_sha256":"1d7963685844518a713c4f1c27c94ae1483cd1f3c3a658da924d8042c26361ec"},"schema_version":"1.0","source":{"id":"1203.0672","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.0672","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"arxiv_version","alias_value":"1203.0672v1","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.0672","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"pith_short_12","alias_value":"3CB3HGAL6O4B","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"3CB3HGAL6O4BO7OU","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"3CB3HGAL","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:203ff564c9145e2e1b5fd1d4d92f4b3ac4ed6fe7eefb7a67686c41c9905b6ade","target":"graph","created_at":"2026-05-18T03:23:11Z","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":"We present results of lattice dynamics calculations of the $P-V$ equation of state and the pressure dependence of the Raman-active $E_{2g}$ lattice phonon for $p-$H$_2$ and $o-$D$_2$ in a wide pressure range up to $\\sim$2 Mbar using our recently developed semi-empirical many-body potential, and density-functional theory. Comparison with existing body of experimental and theoretical results showed that the employed many-body potential is a reliable basis for high-precision calculations for phases I, II, and III of solid hydrogens.","authors_text":"Alexander F. Goncharov, Alexei Grechnev, Russell J. Hemley, S. M. Tretyak, Yu. A. Freiman","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-03-03T17:53:12Z","title":"Equation of state and Raman-active $E_{2g}$ lattice phonon in phases I, II, and III of solid hydrogen and deuterium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.0672","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":"sha256:7524e76adb33d99dc69fc65383f1a8d8cd73ec7a35c5f24183da4c4c25378fa2","target":"record","created_at":"2026-05-18T03:23:11Z","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":"7438ed177388f95c25716cd910058e09cd25aea7cfb7513c1e3701d21725f853","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-03-03T17:53:12Z","title_canon_sha256":"1d7963685844518a713c4f1c27c94ae1483cd1f3c3a658da924d8042c26361ec"},"schema_version":"1.0","source":{"id":"1203.0672","kind":"arxiv","version":1}},"canonical_sha256":"d883b3980bf3b8177dd49d84362bf9a84d47f06f0ce210404f666ead717410b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d883b3980bf3b8177dd49d84362bf9a84d47f06f0ce210404f666ead717410b0","first_computed_at":"2026-05-18T03:23:11.492453Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:11.492453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4aNCESK4Kj/PNwrewxuawnKacPeKuKzrZlFqqYEr7kcEvK3MkOpvAkdJlE5Jcindof2YzCyJtr03fyrqmP/iCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:11.493106Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.0672","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7524e76adb33d99dc69fc65383f1a8d8cd73ec7a35c5f24183da4c4c25378fa2","sha256:203ff564c9145e2e1b5fd1d4d92f4b3ac4ed6fe7eefb7a67686c41c9905b6ade"],"state_sha256":"817a0d60ecbc614e6832580b9a51b7bac3095760e427718e18ff959117e2719b"}