{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:3IZKIIKQE5YP7J242JTQYJPB2S","short_pith_number":"pith:3IZKIIKQ","canonical_record":{"source":{"id":"1812.04953","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-12T14:04:52Z","cross_cats_sorted":[],"title_canon_sha256":"4952f84993f4174418c342e60d697a2724e2daabb31dd7ab5ede416e368d1a5e","abstract_canon_sha256":"e0de9a890591203ba2333a35cdbecb608b7e243464fa3c7f3e3b4ff013f3c482"},"schema_version":"1.0"},"canonical_sha256":"da32a421502770ffa75cd2670c25e1d4b3ff07a570f54b7f5dda2fd3ce17bf1b","source":{"kind":"arxiv","id":"1812.04953","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.04953","created_at":"2026-05-17T23:58:26Z"},{"alias_kind":"arxiv_version","alias_value":"1812.04953v1","created_at":"2026-05-17T23:58:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.04953","created_at":"2026-05-17T23:58:26Z"},{"alias_kind":"pith_short_12","alias_value":"3IZKIIKQE5YP","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3IZKIIKQE5YP7J24","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3IZKIIKQ","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:3IZKIIKQE5YP7J242JTQYJPB2S","target":"record","payload":{"canonical_record":{"source":{"id":"1812.04953","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-12T14:04:52Z","cross_cats_sorted":[],"title_canon_sha256":"4952f84993f4174418c342e60d697a2724e2daabb31dd7ab5ede416e368d1a5e","abstract_canon_sha256":"e0de9a890591203ba2333a35cdbecb608b7e243464fa3c7f3e3b4ff013f3c482"},"schema_version":"1.0"},"canonical_sha256":"da32a421502770ffa75cd2670c25e1d4b3ff07a570f54b7f5dda2fd3ce17bf1b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:26.809585Z","signature_b64":"sOtSX60lDFe7VOseL20gLDHQHnw0fbiRCJ0632Q6PYU039ynh18GJn2HuucP6ntiFZJvRg86i+aM1BWRbZHmBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da32a421502770ffa75cd2670c25e1d4b3ff07a570f54b7f5dda2fd3ce17bf1b","last_reissued_at":"2026-05-17T23:58:26.809029Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:26.809029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.04953","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":"2026-05-17T23:58:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"crr1gTtWI/ElX6IrfmCzvoh38Zk7c2rvjNqGrXqbOCmYB1JLOWKk3QnUBLHIJC9QNPW/K0LHJTuucyxPGqiECQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:43:11.298334Z"},"content_sha256":"0cb674b377bb0b1050e543c4e12a6c31797206d2d7a65ff6b9971bc299160f4e","schema_version":"1.0","event_id":"sha256:0cb674b377bb0b1050e543c4e12a6c31797206d2d7a65ff6b9971bc299160f4e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:3IZKIIKQE5YP7J242JTQYJPB2S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Room-temperature ferromagnetic insulating state in highly cation-ordered epitaxial oxide double perovskite","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Amanda Huon, Ankur Rastogi, Changhee Sohn, Daniel Haskel, Elizabeth Skoropata, Ho Nyung Lee, John W. Freeland, Lauren Nuckols, Michael A. McGuire, Xiang Gao, Yanwen Zhang, Yongseong Choi","submitted_at":"2018-12-12T14:04:52Z","abstract_excerpt":"Ferromagnetic insulators (FMIs) are one of the most important components in developing dissipationless electronic and spintronic devices. However, since ferromagnetism generally accompanies metallicity, FMIs are innately rare to find in nature. Here, novel room-temperature FMI films are epitaxially synthesized by deliberate control of the ratio of two B-site cations in the double perovskite Sr2FeReO6. In contrast to the known ferromagnetic metallic phase in stoichiometric Sr2FeReO6, a FMI state with a high Curie temperature (Tc~400 K) and a large saturation magnetization (MS~1.8 {\\mu}B/f.u.) i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.04953","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":"2026-05-17T23:58:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3WXSZapHJfkuYyIDLyTJNgKG+wvZ4zKaTmRJEYDBhP1bRaTla8j0GilFMeD8fUTwJuPSzEYIZeOb0o6En7PrCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:43:11.299022Z"},"content_sha256":"c4a25809693622792e537cca49f6ed9e261b6cf05d3c9d457c3c4548c21431d4","schema_version":"1.0","event_id":"sha256:c4a25809693622792e537cca49f6ed9e261b6cf05d3c9d457c3c4548c21431d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3IZKIIKQE5YP7J242JTQYJPB2S/bundle.json","state_url":"https://pith.science/pith/3IZKIIKQE5YP7J242JTQYJPB2S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3IZKIIKQE5YP7J242JTQYJPB2S/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":"2026-05-27T14:43:11Z","links":{"resolver":"https://pith.science/pith/3IZKIIKQE5YP7J242JTQYJPB2S","bundle":"https://pith.science/pith/3IZKIIKQE5YP7J242JTQYJPB2S/bundle.json","state":"https://pith.science/pith/3IZKIIKQE5YP7J242JTQYJPB2S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3IZKIIKQE5YP7J242JTQYJPB2S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:3IZKIIKQE5YP7J242JTQYJPB2S","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":"e0de9a890591203ba2333a35cdbecb608b7e243464fa3c7f3e3b4ff013f3c482","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-12T14:04:52Z","title_canon_sha256":"4952f84993f4174418c342e60d697a2724e2daabb31dd7ab5ede416e368d1a5e"},"schema_version":"1.0","source":{"id":"1812.04953","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.04953","created_at":"2026-05-17T23:58:26Z"},{"alias_kind":"arxiv_version","alias_value":"1812.04953v1","created_at":"2026-05-17T23:58:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.04953","created_at":"2026-05-17T23:58:26Z"},{"alias_kind":"pith_short_12","alias_value":"3IZKIIKQE5YP","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3IZKIIKQE5YP7J24","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3IZKIIKQ","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:c4a25809693622792e537cca49f6ed9e261b6cf05d3c9d457c3c4548c21431d4","target":"graph","created_at":"2026-05-17T23:58:26Z","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":"Ferromagnetic insulators (FMIs) are one of the most important components in developing dissipationless electronic and spintronic devices. However, since ferromagnetism generally accompanies metallicity, FMIs are innately rare to find in nature. Here, novel room-temperature FMI films are epitaxially synthesized by deliberate control of the ratio of two B-site cations in the double perovskite Sr2FeReO6. In contrast to the known ferromagnetic metallic phase in stoichiometric Sr2FeReO6, a FMI state with a high Curie temperature (Tc~400 K) and a large saturation magnetization (MS~1.8 {\\mu}B/f.u.) i","authors_text":"Amanda Huon, Ankur Rastogi, Changhee Sohn, Daniel Haskel, Elizabeth Skoropata, Ho Nyung Lee, John W. Freeland, Lauren Nuckols, Michael A. McGuire, Xiang Gao, Yanwen Zhang, Yongseong Choi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-12T14:04:52Z","title":"Room-temperature ferromagnetic insulating state in highly cation-ordered epitaxial oxide double perovskite"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.04953","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":"sha256:0cb674b377bb0b1050e543c4e12a6c31797206d2d7a65ff6b9971bc299160f4e","target":"record","created_at":"2026-05-17T23:58:26Z","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":"e0de9a890591203ba2333a35cdbecb608b7e243464fa3c7f3e3b4ff013f3c482","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-12T14:04:52Z","title_canon_sha256":"4952f84993f4174418c342e60d697a2724e2daabb31dd7ab5ede416e368d1a5e"},"schema_version":"1.0","source":{"id":"1812.04953","kind":"arxiv","version":1}},"canonical_sha256":"da32a421502770ffa75cd2670c25e1d4b3ff07a570f54b7f5dda2fd3ce17bf1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da32a421502770ffa75cd2670c25e1d4b3ff07a570f54b7f5dda2fd3ce17bf1b","first_computed_at":"2026-05-17T23:58:26.809029Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:26.809029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sOtSX60lDFe7VOseL20gLDHQHnw0fbiRCJ0632Q6PYU039ynh18GJn2HuucP6ntiFZJvRg86i+aM1BWRbZHmBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:26.809585Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.04953","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0cb674b377bb0b1050e543c4e12a6c31797206d2d7a65ff6b9971bc299160f4e","sha256:c4a25809693622792e537cca49f6ed9e261b6cf05d3c9d457c3c4548c21431d4"],"state_sha256":"9f0d3af278c22532119089a40e02de9ee14207d21945ef428fa28082be858f46"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rn0GV3/h1Q8zh09uuaiQRQfNTeeMeipKzxpnlmpHGMTgNFJOM4hm3Iyz2WOUFMxbOVON3PCnvviwKWF/ogbnAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T14:43:11.302038Z","bundle_sha256":"6500324b46ef54cad71fda75e490cf13892d7e8ce27756366faf21180780269f"}}