{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:WV7E4VINIUPFPYQX4K6BHJZOZC","short_pith_number":"pith:WV7E4VIN","canonical_record":{"source":{"id":"1008.1005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-08-05T15:40:14Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"5edb71dee3b21f9075da15040e66ec0524928416d9bca0cb9ce22700e9e543b1","abstract_canon_sha256":"217a1985aebc4cc8624f275327d313310531d05591035f9e0ff06c17256ef53b"},"schema_version":"1.0"},"canonical_sha256":"b57e4e550d451e57e217e2bc13a72ec881038310d9daa381e99b4755de7d5cf4","source":{"kind":"arxiv","id":"1008.1005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1005","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1005v1","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1005","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"pith_short_12","alias_value":"WV7E4VINIUPF","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"WV7E4VINIUPFPYQX","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"WV7E4VIN","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:WV7E4VINIUPFPYQX4K6BHJZOZC","target":"record","payload":{"canonical_record":{"source":{"id":"1008.1005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-08-05T15:40:14Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"5edb71dee3b21f9075da15040e66ec0524928416d9bca0cb9ce22700e9e543b1","abstract_canon_sha256":"217a1985aebc4cc8624f275327d313310531d05591035f9e0ff06c17256ef53b"},"schema_version":"1.0"},"canonical_sha256":"b57e4e550d451e57e217e2bc13a72ec881038310d9daa381e99b4755de7d5cf4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:58.912413Z","signature_b64":"mknFm2rLctkdamHfC8LSgLkRLd1nnLpRJ31vSuoBB1OK3SuhDl72OJoPhiuzjoBg/+FQ39N8fp+MpDnV+ux2Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b57e4e550d451e57e217e2bc13a72ec881038310d9daa381e99b4755de7d5cf4","last_reissued_at":"2026-05-18T02:05:58.911616Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:58.911616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.1005","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:05:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WnVwTsF790T5n8pZHNqm4CTjd2gDbREVwCmxq+qFEiERDpmKjqlfYWSO8j4KhgnLkSJFVx+GiCwTRGnMENnIDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T05:04:29.658357Z"},"content_sha256":"b9a204eb4f5651190a351227915ab32b8990d6aec3ef141514b6df6afd0e87df","schema_version":"1.0","event_id":"sha256:b9a204eb4f5651190a351227915ab32b8990d6aec3ef141514b6df6afd0e87df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:WV7E4VINIUPFPYQX4K6BHJZOZC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hybrid density functional theory calculations on phonons in LaCoO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Denis Gryaznov, Joachim Maier, Robert A. Evarestov","submitted_at":"2010-08-05T15:40:14Z","abstract_excerpt":"Phonon frequencies at Gamma-point in non-magnetic rhombohedral phase of LaCoO3 were calculated using density functional theory (DFT) with hybrid exchange correlation functional PBE0. The calculations involved a comparison of results for two types of basis functions commonly used in ab intiio calculations, namely the plane wave (PW) approach and linear combination of atomic orbitals (LCAO), as implemented in VASP and CRYSTAL computer codes, respectively. A good qualitative, but also within an error margin of less than 30%, a quantitative agreement was observed not only between the two formalism"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1005","kind":"arxiv","version":1},"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":"2026-05-18T02:05:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"33l6RcI6YVWpuIBeu1A/6njgaCuNBXxjgSE/a8TUzVuDo/inzbESi5NPFu3nFQsX/s9ex58tEr8Uuft9G8oRBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T05:04:29.658759Z"},"content_sha256":"03c09b460dd314dbb2dec81d8ca1b2d86584ffcf1b3cdf12cc8c35af4b46646c","schema_version":"1.0","event_id":"sha256:03c09b460dd314dbb2dec81d8ca1b2d86584ffcf1b3cdf12cc8c35af4b46646c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WV7E4VINIUPFPYQX4K6BHJZOZC/bundle.json","state_url":"https://pith.science/pith/WV7E4VINIUPFPYQX4K6BHJZOZC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WV7E4VINIUPFPYQX4K6BHJZOZC/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":"2026-06-03T05:04:29Z","links":{"resolver":"https://pith.science/pith/WV7E4VINIUPFPYQX4K6BHJZOZC","bundle":"https://pith.science/pith/WV7E4VINIUPFPYQX4K6BHJZOZC/bundle.json","state":"https://pith.science/pith/WV7E4VINIUPFPYQX4K6BHJZOZC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WV7E4VINIUPFPYQX4K6BHJZOZC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:WV7E4VINIUPFPYQX4K6BHJZOZC","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":"217a1985aebc4cc8624f275327d313310531d05591035f9e0ff06c17256ef53b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-08-05T15:40:14Z","title_canon_sha256":"5edb71dee3b21f9075da15040e66ec0524928416d9bca0cb9ce22700e9e543b1"},"schema_version":"1.0","source":{"id":"1008.1005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1005","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1005v1","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1005","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"pith_short_12","alias_value":"WV7E4VINIUPF","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"WV7E4VINIUPFPYQX","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"WV7E4VIN","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:03c09b460dd314dbb2dec81d8ca1b2d86584ffcf1b3cdf12cc8c35af4b46646c","target":"graph","created_at":"2026-05-18T02:05:58Z","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":"Phonon frequencies at Gamma-point in non-magnetic rhombohedral phase of LaCoO3 were calculated using density functional theory (DFT) with hybrid exchange correlation functional PBE0. The calculations involved a comparison of results for two types of basis functions commonly used in ab intiio calculations, namely the plane wave (PW) approach and linear combination of atomic orbitals (LCAO), as implemented in VASP and CRYSTAL computer codes, respectively. A good qualitative, but also within an error margin of less than 30%, a quantitative agreement was observed not only between the two formalism","authors_text":"Denis Gryaznov, Joachim Maier, Robert A. Evarestov","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-08-05T15:40:14Z","title":"Hybrid density functional theory calculations on phonons in LaCoO3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1005","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:b9a204eb4f5651190a351227915ab32b8990d6aec3ef141514b6df6afd0e87df","target":"record","created_at":"2026-05-18T02:05:58Z","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":"217a1985aebc4cc8624f275327d313310531d05591035f9e0ff06c17256ef53b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-08-05T15:40:14Z","title_canon_sha256":"5edb71dee3b21f9075da15040e66ec0524928416d9bca0cb9ce22700e9e543b1"},"schema_version":"1.0","source":{"id":"1008.1005","kind":"arxiv","version":1}},"canonical_sha256":"b57e4e550d451e57e217e2bc13a72ec881038310d9daa381e99b4755de7d5cf4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b57e4e550d451e57e217e2bc13a72ec881038310d9daa381e99b4755de7d5cf4","first_computed_at":"2026-05-18T02:05:58.911616Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:58.911616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mknFm2rLctkdamHfC8LSgLkRLd1nnLpRJ31vSuoBB1OK3SuhDl72OJoPhiuzjoBg/+FQ39N8fp+MpDnV+ux2Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:58.912413Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.1005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9a204eb4f5651190a351227915ab32b8990d6aec3ef141514b6df6afd0e87df","sha256:03c09b460dd314dbb2dec81d8ca1b2d86584ffcf1b3cdf12cc8c35af4b46646c"],"state_sha256":"a678654befe7d236324c2bad72757d3e9636f4c095d6b07d5e299c509945f074"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j1A9NH35h0iYb/ofr3QRqm+nhmndaL8Nocjtt69oIh2JbFKmO2tMqFQ1xmzKGieOswzetM634CqSthZ9Osh+Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T05:04:29.660730Z","bundle_sha256":"b1d91c23c9e13b203221f1185cdf4292000893f3877f284bcb871beaeb41b8a9"}}