{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:Y7ESCP65BZP64PZ4SUHOIWVSS5","short_pith_number":"pith:Y7ESCP65","canonical_record":{"source":{"id":"1105.2161","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-05-11T11:38:30Z","cross_cats_sorted":[],"title_canon_sha256":"6c3653650702d56bc35d8c5347ecf2d9f37bf0ddf117cc9bd568dd97eda5dcdf","abstract_canon_sha256":"ceba83e80f6b5ed1766a3ce3f1cbfed3b89111217bceaf5d78ef51c5525724c1"},"schema_version":"1.0"},"canonical_sha256":"c7c9213fdd0e5fee3f3c950ee45ab29747293af645dd7aabe8223fe04b56e560","source":{"kind":"arxiv","id":"1105.2161","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.2161","created_at":"2026-05-18T02:02:01Z"},{"alias_kind":"arxiv_version","alias_value":"1105.2161v1","created_at":"2026-05-18T02:02:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.2161","created_at":"2026-05-18T02:02:01Z"},{"alias_kind":"pith_short_12","alias_value":"Y7ESCP65BZP6","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y7ESCP65BZP64PZ4","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y7ESCP65","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:Y7ESCP65BZP64PZ4SUHOIWVSS5","target":"record","payload":{"canonical_record":{"source":{"id":"1105.2161","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-05-11T11:38:30Z","cross_cats_sorted":[],"title_canon_sha256":"6c3653650702d56bc35d8c5347ecf2d9f37bf0ddf117cc9bd568dd97eda5dcdf","abstract_canon_sha256":"ceba83e80f6b5ed1766a3ce3f1cbfed3b89111217bceaf5d78ef51c5525724c1"},"schema_version":"1.0"},"canonical_sha256":"c7c9213fdd0e5fee3f3c950ee45ab29747293af645dd7aabe8223fe04b56e560","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:01.365241Z","signature_b64":"9rzTzdOR/Rl8+lRbtdKTV2ByDjpEjIqOJ+j6aEU3lfiAdnFtshEJ4bBZ1Q1tbqgporxreZrGmjtYL8ZkxiCOAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7c9213fdd0e5fee3f3c950ee45ab29747293af645dd7aabe8223fe04b56e560","last_reissued_at":"2026-05-18T02:02:01.364363Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:01.364363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.2161","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":"2026-05-18T02:02:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lcjVcxI320u8ktD9kvxKj9ufrF/pTv1VJ+mUewbohKWR8zoYQUKyeymqSvM2O5AsIxQrlxuLPMmQv1C8OogaBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:24:32.063434Z"},"content_sha256":"9e8c1ec5e3e5c522c98c91b28e76175c9c75be2b947c2fac85c4d6bf28866b94","schema_version":"1.0","event_id":"sha256:9e8c1ec5e3e5c522c98c91b28e76175c9c75be2b947c2fac85c4d6bf28866b94"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:Y7ESCP65BZP64PZ4SUHOIWVSS5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The temperature-dependent elastic properties of B2-MgRE intermetallic compounds from first principles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Rui Wang, Shaofeng Wang, Yin Yao","submitted_at":"2011-05-11T11:38:30Z","abstract_excerpt":"Using the density functional theory (DFT) formulated within the framework of the plane-wave basis projector augmented wave (PAW) method, the temperature-dependent elastic properties of MgRE (RE=Y, Dy, Pr, Sc, Tb) intermetallics with B2-type structure are presented from first-principles. Our calculations are based on the fact that the elastic moduli as a function of temperature mainly results from thermal expansion. The comparison between the predicted results and the available experimental data for a benchmark material NiAl provides good agreements. At $T=0K$, our calculated values of lattice "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.2161","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":"2026-05-18T02:02:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/7DlOGokl7g6QrS/LDQ+oz5FJtI5ri+HsZcRvxuj2D4icVmUvgiCA04PSmfpsLM7/msZ4iC3gWWNBD5UDHQRCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:24:32.064111Z"},"content_sha256":"a101f3267e0aaa14fb9aaf31e448b6558d34659cf77a42a21581012b2f435f40","schema_version":"1.0","event_id":"sha256:a101f3267e0aaa14fb9aaf31e448b6558d34659cf77a42a21581012b2f435f40"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y7ESCP65BZP64PZ4SUHOIWVSS5/bundle.json","state_url":"https://pith.science/pith/Y7ESCP65BZP64PZ4SUHOIWVSS5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y7ESCP65BZP64PZ4SUHOIWVSS5/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":"2026-05-31T19:24:32Z","links":{"resolver":"https://pith.science/pith/Y7ESCP65BZP64PZ4SUHOIWVSS5","bundle":"https://pith.science/pith/Y7ESCP65BZP64PZ4SUHOIWVSS5/bundle.json","state":"https://pith.science/pith/Y7ESCP65BZP64PZ4SUHOIWVSS5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y7ESCP65BZP64PZ4SUHOIWVSS5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:Y7ESCP65BZP64PZ4SUHOIWVSS5","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":"ceba83e80f6b5ed1766a3ce3f1cbfed3b89111217bceaf5d78ef51c5525724c1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-05-11T11:38:30Z","title_canon_sha256":"6c3653650702d56bc35d8c5347ecf2d9f37bf0ddf117cc9bd568dd97eda5dcdf"},"schema_version":"1.0","source":{"id":"1105.2161","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.2161","created_at":"2026-05-18T02:02:01Z"},{"alias_kind":"arxiv_version","alias_value":"1105.2161v1","created_at":"2026-05-18T02:02:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.2161","created_at":"2026-05-18T02:02:01Z"},{"alias_kind":"pith_short_12","alias_value":"Y7ESCP65BZP6","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y7ESCP65BZP64PZ4","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y7ESCP65","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:a101f3267e0aaa14fb9aaf31e448b6558d34659cf77a42a21581012b2f435f40","target":"graph","created_at":"2026-05-18T02:02:01Z","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":"Using the density functional theory (DFT) formulated within the framework of the plane-wave basis projector augmented wave (PAW) method, the temperature-dependent elastic properties of MgRE (RE=Y, Dy, Pr, Sc, Tb) intermetallics with B2-type structure are presented from first-principles. Our calculations are based on the fact that the elastic moduli as a function of temperature mainly results from thermal expansion. The comparison between the predicted results and the available experimental data for a benchmark material NiAl provides good agreements. At $T=0K$, our calculated values of lattice ","authors_text":"Rui Wang, Shaofeng Wang, Yin Yao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-05-11T11:38:30Z","title":"The temperature-dependent elastic properties of B2-MgRE intermetallic compounds from first principles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.2161","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":"sha256:9e8c1ec5e3e5c522c98c91b28e76175c9c75be2b947c2fac85c4d6bf28866b94","target":"record","created_at":"2026-05-18T02:02:01Z","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":"ceba83e80f6b5ed1766a3ce3f1cbfed3b89111217bceaf5d78ef51c5525724c1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-05-11T11:38:30Z","title_canon_sha256":"6c3653650702d56bc35d8c5347ecf2d9f37bf0ddf117cc9bd568dd97eda5dcdf"},"schema_version":"1.0","source":{"id":"1105.2161","kind":"arxiv","version":1}},"canonical_sha256":"c7c9213fdd0e5fee3f3c950ee45ab29747293af645dd7aabe8223fe04b56e560","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7c9213fdd0e5fee3f3c950ee45ab29747293af645dd7aabe8223fe04b56e560","first_computed_at":"2026-05-18T02:02:01.364363Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:01.364363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9rzTzdOR/Rl8+lRbtdKTV2ByDjpEjIqOJ+j6aEU3lfiAdnFtshEJ4bBZ1Q1tbqgporxreZrGmjtYL8ZkxiCOAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:01.365241Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.2161","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e8c1ec5e3e5c522c98c91b28e76175c9c75be2b947c2fac85c4d6bf28866b94","sha256:a101f3267e0aaa14fb9aaf31e448b6558d34659cf77a42a21581012b2f435f40"],"state_sha256":"3d48c2b92d319d7b3b60c60457b2b68f371a8dd7bcc107b563b412ce9bad63ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"trMWg374bE3wKhIBRDRgOVGr7Oif5g90GbCiakuIkq++qwFARurI22cUe6HYtigufQLDuEn62HhJo7Dd9z+BDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T19:24:32.067981Z","bundle_sha256":"d4fbab5d860a202f8d4a691a2c0a12979882a468f0a3a4487f2364a7e2715f22"}}