{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:6PQEBALR6ZBL4B5X4324UIVF5W","short_pith_number":"pith:6PQEBALR","canonical_record":{"source":{"id":"1504.07601","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-27T00:55:23Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"0fd1839138ea326d6a7a42bd08478534140b284ca36ca2dc0a9ca6d1067e5a11","abstract_canon_sha256":"4b8e5ff1858642061ef7c0a29f41259578698894e31c99fd988acb489bd0b921"},"schema_version":"1.0"},"canonical_sha256":"f3e0408171f642be07b7e6f5ca22a5ed944eacc6249c8755ec345e36dc67b53a","source":{"kind":"arxiv","id":"1504.07601","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07601","created_at":"2026-05-18T02:17:34Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07601v1","created_at":"2026-05-18T02:17:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07601","created_at":"2026-05-18T02:17:34Z"},{"alias_kind":"pith_short_12","alias_value":"6PQEBALR6ZBL","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6PQEBALR6ZBL4B5X","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6PQEBALR","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:6PQEBALR6ZBL4B5X4324UIVF5W","target":"record","payload":{"canonical_record":{"source":{"id":"1504.07601","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-27T00:55:23Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"0fd1839138ea326d6a7a42bd08478534140b284ca36ca2dc0a9ca6d1067e5a11","abstract_canon_sha256":"4b8e5ff1858642061ef7c0a29f41259578698894e31c99fd988acb489bd0b921"},"schema_version":"1.0"},"canonical_sha256":"f3e0408171f642be07b7e6f5ca22a5ed944eacc6249c8755ec345e36dc67b53a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:17:34.249733Z","signature_b64":"CYFdF4ypEw8PtyIzsPx6jkVLTyyDxbpVrdVHVo0tCi2gDtm7A0uSdUzKJuZ8rv4m30YuFeyeC/Dv5vvpIZU+BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3e0408171f642be07b7e6f5ca22a5ed944eacc6249c8755ec345e36dc67b53a","last_reissued_at":"2026-05-18T02:17:34.249104Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:17:34.249104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.07601","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":"2026-05-18T02:17:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6SlraK13El2HrtKcZENyON6COgrnywaWpwrl4113IRgY1GSje57+LlZzubZ7onbA78itcAtEoQTci5mDj7HPCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T13:25:34.828589Z"},"content_sha256":"ab65f5811da3d60b4612b5559f05bb688c088658b65e5639da0390f5f34e080c","schema_version":"1.0","event_id":"sha256:ab65f5811da3d60b4612b5559f05bb688c088658b65e5639da0390f5f34e080c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:6PQEBALR6ZBL4B5X4324UIVF5W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ab initio density functional theory study of uranium solubility in Gd2Zr2O7 pyrochlore","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chang-zhong Liao, Chuan-min Meng, Hua Xie, Hui-yi Lv, Kai-min Shih, Lie-lin Wang, Qing-yun Chen, Shi-yin Ji, Tao Wu, Yu-zhu Huang","submitted_at":"2015-04-27T00:55:23Z","abstract_excerpt":"In this study, an ab initio calculation is performed to investigate the uranium solubility in different sites of Gd2Zr2O7 pyrochlore. The Gd2Zr2O7 maintains its pyrochlore structure at low uranium dopant levels, and the lattice constants of Gd2(Zr2-yUy)O7 and (Gd2-yUy)Zr2O7 are generally expressed as being linearly related to the uranium content y. Uranium is found to be a preferable substitute for the B-site gadolinium atoms in cation-disordered Gd2Zr2O7 (where gadolinium and zirconium atoms are swapped) over the A-site gadolinium atoms in ordered Gd2Zr2O7 due to the lower total energy of (Gd"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07601","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":"2026-05-18T02:17:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"49rO7/s+OCua0UsrFc6eYKw0wCqRv/ro559Q/59yCpr+6bJbvtcqKTEVGHa5m0GRBbroy7AUJa1DerLSTFABAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T13:25:34.829298Z"},"content_sha256":"2903177bcbd0360993046e71941f07792b70f595b3fab9a4adcf51aa0db02316","schema_version":"1.0","event_id":"sha256:2903177bcbd0360993046e71941f07792b70f595b3fab9a4adcf51aa0db02316"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6PQEBALR6ZBL4B5X4324UIVF5W/bundle.json","state_url":"https://pith.science/pith/6PQEBALR6ZBL4B5X4324UIVF5W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6PQEBALR6ZBL4B5X4324UIVF5W/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":"2026-05-25T13:25:34Z","links":{"resolver":"https://pith.science/pith/6PQEBALR6ZBL4B5X4324UIVF5W","bundle":"https://pith.science/pith/6PQEBALR6ZBL4B5X4324UIVF5W/bundle.json","state":"https://pith.science/pith/6PQEBALR6ZBL4B5X4324UIVF5W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6PQEBALR6ZBL4B5X4324UIVF5W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:6PQEBALR6ZBL4B5X4324UIVF5W","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":"4b8e5ff1858642061ef7c0a29f41259578698894e31c99fd988acb489bd0b921","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-27T00:55:23Z","title_canon_sha256":"0fd1839138ea326d6a7a42bd08478534140b284ca36ca2dc0a9ca6d1067e5a11"},"schema_version":"1.0","source":{"id":"1504.07601","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07601","created_at":"2026-05-18T02:17:34Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07601v1","created_at":"2026-05-18T02:17:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07601","created_at":"2026-05-18T02:17:34Z"},{"alias_kind":"pith_short_12","alias_value":"6PQEBALR6ZBL","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6PQEBALR6ZBL4B5X","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6PQEBALR","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:2903177bcbd0360993046e71941f07792b70f595b3fab9a4adcf51aa0db02316","target":"graph","created_at":"2026-05-18T02:17:34Z","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":"In this study, an ab initio calculation is performed to investigate the uranium solubility in different sites of Gd2Zr2O7 pyrochlore. The Gd2Zr2O7 maintains its pyrochlore structure at low uranium dopant levels, and the lattice constants of Gd2(Zr2-yUy)O7 and (Gd2-yUy)Zr2O7 are generally expressed as being linearly related to the uranium content y. Uranium is found to be a preferable substitute for the B-site gadolinium atoms in cation-disordered Gd2Zr2O7 (where gadolinium and zirconium atoms are swapped) over the A-site gadolinium atoms in ordered Gd2Zr2O7 due to the lower total energy of (Gd","authors_text":"Chang-zhong Liao, Chuan-min Meng, Hua Xie, Hui-yi Lv, Kai-min Shih, Lie-lin Wang, Qing-yun Chen, Shi-yin Ji, Tao Wu, Yu-zhu Huang","cross_cats":["physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-27T00:55:23Z","title":"Ab initio density functional theory study of uranium solubility in Gd2Zr2O7 pyrochlore"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07601","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:ab65f5811da3d60b4612b5559f05bb688c088658b65e5639da0390f5f34e080c","target":"record","created_at":"2026-05-18T02:17:34Z","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":"4b8e5ff1858642061ef7c0a29f41259578698894e31c99fd988acb489bd0b921","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-27T00:55:23Z","title_canon_sha256":"0fd1839138ea326d6a7a42bd08478534140b284ca36ca2dc0a9ca6d1067e5a11"},"schema_version":"1.0","source":{"id":"1504.07601","kind":"arxiv","version":1}},"canonical_sha256":"f3e0408171f642be07b7e6f5ca22a5ed944eacc6249c8755ec345e36dc67b53a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3e0408171f642be07b7e6f5ca22a5ed944eacc6249c8755ec345e36dc67b53a","first_computed_at":"2026-05-18T02:17:34.249104Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:17:34.249104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CYFdF4ypEw8PtyIzsPx6jkVLTyyDxbpVrdVHVo0tCi2gDtm7A0uSdUzKJuZ8rv4m30YuFeyeC/Dv5vvpIZU+BA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:17:34.249733Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.07601","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab65f5811da3d60b4612b5559f05bb688c088658b65e5639da0390f5f34e080c","sha256:2903177bcbd0360993046e71941f07792b70f595b3fab9a4adcf51aa0db02316"],"state_sha256":"db9982d2b5f030c45241067fe95ff4aa4d4aa1aa483a24ff4b51f1e80f304cb5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QRjA0PX9hkTBxm5cOFSudWLEE7aTAy2Ibbll6Tn2cla5bJPdEjDxg7qQVxTFToaaE53IsVIwccyksAtOOKraCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T13:25:34.833201Z","bundle_sha256":"788aa1381fd345b15c0256e83a5584aeae98c646f6fc63abb92883297d588c7e"}}