{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PI6HUQ6X5BBAZRVTRRVUCHQFWG","short_pith_number":"pith:PI6HUQ6X","canonical_record":{"source":{"id":"1812.09827","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-24T04:27:03Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"218b60419c83cb815a8b4b9c2a3969cb7e0311cc444adba0fe5619ef941aacdd","abstract_canon_sha256":"3680943705b3de2dd6cd1ca9e32b7e054f9a08dadc0ef3f32ed348d8c20da99c"},"schema_version":"1.0"},"canonical_sha256":"7a3c7a43d7e8420cc6b38c6b411e05b1800516c4849a8f1e360f0670fc656f18","source":{"kind":"arxiv","id":"1812.09827","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.09827","created_at":"2026-05-17T23:57:26Z"},{"alias_kind":"arxiv_version","alias_value":"1812.09827v1","created_at":"2026-05-17T23:57:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.09827","created_at":"2026-05-17T23:57:26Z"},{"alias_kind":"pith_short_12","alias_value":"PI6HUQ6X5BBA","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"PI6HUQ6X5BBAZRVT","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"PI6HUQ6X","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PI6HUQ6X5BBAZRVTRRVUCHQFWG","target":"record","payload":{"canonical_record":{"source":{"id":"1812.09827","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-24T04:27:03Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"218b60419c83cb815a8b4b9c2a3969cb7e0311cc444adba0fe5619ef941aacdd","abstract_canon_sha256":"3680943705b3de2dd6cd1ca9e32b7e054f9a08dadc0ef3f32ed348d8c20da99c"},"schema_version":"1.0"},"canonical_sha256":"7a3c7a43d7e8420cc6b38c6b411e05b1800516c4849a8f1e360f0670fc656f18","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:26.693655Z","signature_b64":"80tjp6aOPRwanKhNFss6JdKrWJZtnFreJwBMmWjkHQf5x6NA+Dg4oNaaizPdGeTqTmEOyjdw6DxOJrc21EFfCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a3c7a43d7e8420cc6b38c6b411e05b1800516c4849a8f1e360f0670fc656f18","last_reissued_at":"2026-05-17T23:57:26.693154Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:26.693154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.09827","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":"2026-05-17T23:57:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q5iKiW/WN2ebpPzp5Vv/xnpociXw39apXseJMCfL+cdMDhcPII0vH9dJwoFbcTo3r4xGSl7VQTQd4NBf0sl1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T02:41:20.599161Z"},"content_sha256":"d323955ffd05bf9a6f451a51abde40e1cef3472f8690ce15a4add0114e94f1a0","schema_version":"1.0","event_id":"sha256:d323955ffd05bf9a6f451a51abde40e1cef3472f8690ce15a4add0114e94f1a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PI6HUQ6X5BBAZRVTRRVUCHQFWG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scaling behaviour of magnetic entropy change in bilayered manganites by two-variable polynomials fitting to magnetization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Bao Xu","submitted_at":"2018-12-24T04:27:03Z","abstract_excerpt":"Based on the two-variable polynomial model of magnetization, magnetic entropy change of bilayered manganites with $327$-structure and its scaling behaviour with respect to applied magnetic fields are investigated. It's found that the Curie temperature, which is defined as the point at which the partial derivative of magnetization with respect to temperature reaches its maximum, is different from the temperature of peak magnetic entropy change. Thus a mean-field model can not apply to this kind of manganites. In contrast to what has been found in manganites with the $113$-structure, the scaling"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.09827","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":"2026-05-17T23:57:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XE0DlUyYjHnOrvq2cRSCGQ/CPUGbQXMCH/Ib/d9b9I/K3iSgqDwQ5Z0fIN7ZVR3rg0BEb0nPxdA4bGLb3q6nCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T02:41:20.599926Z"},"content_sha256":"4e47d203a2a270f828863e1da3f6e80c2e5f3025e540a380647dca3027d815b8","schema_version":"1.0","event_id":"sha256:4e47d203a2a270f828863e1da3f6e80c2e5f3025e540a380647dca3027d815b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PI6HUQ6X5BBAZRVTRRVUCHQFWG/bundle.json","state_url":"https://pith.science/pith/PI6HUQ6X5BBAZRVTRRVUCHQFWG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PI6HUQ6X5BBAZRVTRRVUCHQFWG/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":"2026-06-11T02:41:20Z","links":{"resolver":"https://pith.science/pith/PI6HUQ6X5BBAZRVTRRVUCHQFWG","bundle":"https://pith.science/pith/PI6HUQ6X5BBAZRVTRRVUCHQFWG/bundle.json","state":"https://pith.science/pith/PI6HUQ6X5BBAZRVTRRVUCHQFWG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PI6HUQ6X5BBAZRVTRRVUCHQFWG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PI6HUQ6X5BBAZRVTRRVUCHQFWG","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":"3680943705b3de2dd6cd1ca9e32b7e054f9a08dadc0ef3f32ed348d8c20da99c","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-24T04:27:03Z","title_canon_sha256":"218b60419c83cb815a8b4b9c2a3969cb7e0311cc444adba0fe5619ef941aacdd"},"schema_version":"1.0","source":{"id":"1812.09827","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.09827","created_at":"2026-05-17T23:57:26Z"},{"alias_kind":"arxiv_version","alias_value":"1812.09827v1","created_at":"2026-05-17T23:57:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.09827","created_at":"2026-05-17T23:57:26Z"},{"alias_kind":"pith_short_12","alias_value":"PI6HUQ6X5BBA","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"PI6HUQ6X5BBAZRVT","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"PI6HUQ6X","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:4e47d203a2a270f828863e1da3f6e80c2e5f3025e540a380647dca3027d815b8","target":"graph","created_at":"2026-05-17T23:57:26Z","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":"Based on the two-variable polynomial model of magnetization, magnetic entropy change of bilayered manganites with $327$-structure and its scaling behaviour with respect to applied magnetic fields are investigated. It's found that the Curie temperature, which is defined as the point at which the partial derivative of magnetization with respect to temperature reaches its maximum, is different from the temperature of peak magnetic entropy change. Thus a mean-field model can not apply to this kind of manganites. In contrast to what has been found in manganites with the $113$-structure, the scaling","authors_text":"Bao Xu","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-24T04:27:03Z","title":"Scaling behaviour of magnetic entropy change in bilayered manganites by two-variable polynomials fitting to magnetization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.09827","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:d323955ffd05bf9a6f451a51abde40e1cef3472f8690ce15a4add0114e94f1a0","target":"record","created_at":"2026-05-17T23:57:26Z","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":"3680943705b3de2dd6cd1ca9e32b7e054f9a08dadc0ef3f32ed348d8c20da99c","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-12-24T04:27:03Z","title_canon_sha256":"218b60419c83cb815a8b4b9c2a3969cb7e0311cc444adba0fe5619ef941aacdd"},"schema_version":"1.0","source":{"id":"1812.09827","kind":"arxiv","version":1}},"canonical_sha256":"7a3c7a43d7e8420cc6b38c6b411e05b1800516c4849a8f1e360f0670fc656f18","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a3c7a43d7e8420cc6b38c6b411e05b1800516c4849a8f1e360f0670fc656f18","first_computed_at":"2026-05-17T23:57:26.693154Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:26.693154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"80tjp6aOPRwanKhNFss6JdKrWJZtnFreJwBMmWjkHQf5x6NA+Dg4oNaaizPdGeTqTmEOyjdw6DxOJrc21EFfCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:26.693655Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.09827","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d323955ffd05bf9a6f451a51abde40e1cef3472f8690ce15a4add0114e94f1a0","sha256:4e47d203a2a270f828863e1da3f6e80c2e5f3025e540a380647dca3027d815b8"],"state_sha256":"e29c2e05e31c4e92d717ed6b28686de6804d066c50dbe1ec48c2e8361525b641"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jVC0bO0+vUoE+47xwQqeIgY5OPNeyl2mpQJ8/ChAfbDNcY3l7LeZRngk2uAN54smfZDYQ3WymSS73R4fVma9AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T02:41:20.603872Z","bundle_sha256":"8ed603a3b73fe9038b70a78ddd881349ff690854d0fe114d4db23015daa66b61"}}