{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:GQ5NEWZCA5NYLCPRCGDJPNQGWD","short_pith_number":"pith:GQ5NEWZC","canonical_record":{"source":{"id":"1101.2276","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-01-12T05:24:43Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"22628d12d02c2456dd1f22def28baa956ab2bc391b7950b05082f1aba24cda62","abstract_canon_sha256":"44f3ee07288350e5b4192ca8a2add1497fb5b1fd1ddd0be4859944d387aca2ae"},"schema_version":"1.0"},"canonical_sha256":"343ad25b22075b8589f1118697b606b0e906e9da54b95bd458ef4afebe4471a0","source":{"kind":"arxiv","id":"1101.2276","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.2276","created_at":"2026-05-18T04:08:22Z"},{"alias_kind":"arxiv_version","alias_value":"1101.2276v4","created_at":"2026-05-18T04:08:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.2276","created_at":"2026-05-18T04:08:22Z"},{"alias_kind":"pith_short_12","alias_value":"GQ5NEWZCA5NY","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"GQ5NEWZCA5NYLCPR","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"GQ5NEWZC","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:GQ5NEWZCA5NYLCPRCGDJPNQGWD","target":"record","payload":{"canonical_record":{"source":{"id":"1101.2276","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-01-12T05:24:43Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"22628d12d02c2456dd1f22def28baa956ab2bc391b7950b05082f1aba24cda62","abstract_canon_sha256":"44f3ee07288350e5b4192ca8a2add1497fb5b1fd1ddd0be4859944d387aca2ae"},"schema_version":"1.0"},"canonical_sha256":"343ad25b22075b8589f1118697b606b0e906e9da54b95bd458ef4afebe4471a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:08:22.319565Z","signature_b64":"WkSW9kQRqX6Isu6u/aNSXoazGWwhfEPvtTrsv3uhuMB8yU4HLlKBxia+LlS7Dh0h+fPGq982jupHU/bDk0rcAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"343ad25b22075b8589f1118697b606b0e906e9da54b95bd458ef4afebe4471a0","last_reissued_at":"2026-05-18T04:08:22.319067Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:08:22.319067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.2276","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:08:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ufe8Qg5GGpmnbapGrqKgndqWQ5SH3M2STsbrvGvpYsINbtSsuwjsfhxM1CRpVG4c2yJziwi4E5yo28OLeEZtCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:50:53.722916Z"},"content_sha256":"fe6428fdcfcfccde684cfddea05bf051fa79043bfe4f99970b433fb83fabd8bd","schema_version":"1.0","event_id":"sha256:fe6428fdcfcfccde684cfddea05bf051fa79043bfe4f99970b433fb83fabd8bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:GQ5NEWZCA5NYLCPRCGDJPNQGWD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiferroic Properties of CaMn$_7$O$_{12}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Elbio Dagotto, Guoquan Zhang, J.-M. Liu, Qinfang Zhang, Seiji Yunoki, Shuai Dong, Yanyan Guo, Zhibo Yan","submitted_at":"2011-01-12T05:24:43Z","abstract_excerpt":"We report that CaMn$_7$O$_{12}$ is a new magnetic multiferroic material. The appearance of a ferroelectric polarization coinciding with the magnetic phase transition ($\\sim90$ K) suggests the presence of ferroelectricity induced by magnetism, further confirmed by its strong magnetoelectric response. With respect to other known magnetic multiferroics, CaMn$_7$O$_{12}$ displays attractive multiferroic properties, such as a high ferroelectric critical temperature and large polarization. More importantly, these results open a new avenue to search for magnetic multiferroics in the catalogue of dope"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.2276","kind":"arxiv","version":4},"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":"2026-05-18T04:08:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XAjWbbluR1+MDnShUw1ghTpDslvvLGb9bPlqYcS37T5kf8DreM+agaYdkJVFSc68s93KdQjujOkdDF6bGV6rAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:50:53.723258Z"},"content_sha256":"ee27c93b6a9b7d0748302f749d6a940f0d42e20533eb6df7fef6470ee3cb2c19","schema_version":"1.0","event_id":"sha256:ee27c93b6a9b7d0748302f749d6a940f0d42e20533eb6df7fef6470ee3cb2c19"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GQ5NEWZCA5NYLCPRCGDJPNQGWD/bundle.json","state_url":"https://pith.science/pith/GQ5NEWZCA5NYLCPRCGDJPNQGWD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GQ5NEWZCA5NYLCPRCGDJPNQGWD/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":"2026-06-01T21:50:53Z","links":{"resolver":"https://pith.science/pith/GQ5NEWZCA5NYLCPRCGDJPNQGWD","bundle":"https://pith.science/pith/GQ5NEWZCA5NYLCPRCGDJPNQGWD/bundle.json","state":"https://pith.science/pith/GQ5NEWZCA5NYLCPRCGDJPNQGWD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GQ5NEWZCA5NYLCPRCGDJPNQGWD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:GQ5NEWZCA5NYLCPRCGDJPNQGWD","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":"44f3ee07288350e5b4192ca8a2add1497fb5b1fd1ddd0be4859944d387aca2ae","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-01-12T05:24:43Z","title_canon_sha256":"22628d12d02c2456dd1f22def28baa956ab2bc391b7950b05082f1aba24cda62"},"schema_version":"1.0","source":{"id":"1101.2276","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.2276","created_at":"2026-05-18T04:08:22Z"},{"alias_kind":"arxiv_version","alias_value":"1101.2276v4","created_at":"2026-05-18T04:08:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.2276","created_at":"2026-05-18T04:08:22Z"},{"alias_kind":"pith_short_12","alias_value":"GQ5NEWZCA5NY","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"GQ5NEWZCA5NYLCPR","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"GQ5NEWZC","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:ee27c93b6a9b7d0748302f749d6a940f0d42e20533eb6df7fef6470ee3cb2c19","target":"graph","created_at":"2026-05-18T04:08:22Z","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 report that CaMn$_7$O$_{12}$ is a new magnetic multiferroic material. The appearance of a ferroelectric polarization coinciding with the magnetic phase transition ($\\sim90$ K) suggests the presence of ferroelectricity induced by magnetism, further confirmed by its strong magnetoelectric response. With respect to other known magnetic multiferroics, CaMn$_7$O$_{12}$ displays attractive multiferroic properties, such as a high ferroelectric critical temperature and large polarization. More importantly, these results open a new avenue to search for magnetic multiferroics in the catalogue of dope","authors_text":"Elbio Dagotto, Guoquan Zhang, J.-M. Liu, Qinfang Zhang, Seiji Yunoki, Shuai Dong, Yanyan Guo, Zhibo Yan","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-01-12T05:24:43Z","title":"Multiferroic Properties of CaMn$_7$O$_{12}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.2276","kind":"arxiv","version":4},"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:fe6428fdcfcfccde684cfddea05bf051fa79043bfe4f99970b433fb83fabd8bd","target":"record","created_at":"2026-05-18T04:08:22Z","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":"44f3ee07288350e5b4192ca8a2add1497fb5b1fd1ddd0be4859944d387aca2ae","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-01-12T05:24:43Z","title_canon_sha256":"22628d12d02c2456dd1f22def28baa956ab2bc391b7950b05082f1aba24cda62"},"schema_version":"1.0","source":{"id":"1101.2276","kind":"arxiv","version":4}},"canonical_sha256":"343ad25b22075b8589f1118697b606b0e906e9da54b95bd458ef4afebe4471a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"343ad25b22075b8589f1118697b606b0e906e9da54b95bd458ef4afebe4471a0","first_computed_at":"2026-05-18T04:08:22.319067Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:08:22.319067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WkSW9kQRqX6Isu6u/aNSXoazGWwhfEPvtTrsv3uhuMB8yU4HLlKBxia+LlS7Dh0h+fPGq982jupHU/bDk0rcAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:08:22.319565Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.2276","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe6428fdcfcfccde684cfddea05bf051fa79043bfe4f99970b433fb83fabd8bd","sha256:ee27c93b6a9b7d0748302f749d6a940f0d42e20533eb6df7fef6470ee3cb2c19"],"state_sha256":"2423f2e0a1344b0722b3b26cb93b34757b66501c8c9299b4492f67a19beebf60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1kwkuCcTRXZJCA2wmmr7PSqHgzREP7UCMW8Racg6e/7ejneuGnXcwFY8nGbsAZPDZYNRaZAI2PN0MBPKNOr8AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T21:50:53.725215Z","bundle_sha256":"3792bbb8862970d5d264450a5881b2113c3bfba4fadaa65a00f5e4e3f635ce2a"}}