{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:XNMH7C4BNM253HYR2RSXTJJB7Y","short_pith_number":"pith:XNMH7C4B","canonical_record":{"source":{"id":"1311.7032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-27T16:44:27Z","cross_cats_sorted":[],"title_canon_sha256":"f7a2999ce12c9de34ba5b995a1c988f2655a93cc579f40ead94aea722104efd6","abstract_canon_sha256":"16df7031441a7321b99c4e575d027d3536c0c0b43e83722fe0ca594894dab00e"},"schema_version":"1.0"},"canonical_sha256":"bb587f8b816b35dd9f11d46579a521fe03465d417dfb1c77d02c1f3522d1939e","source":{"kind":"arxiv","id":"1311.7032","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.7032","created_at":"2026-05-18T03:01:35Z"},{"alias_kind":"arxiv_version","alias_value":"1311.7032v1","created_at":"2026-05-18T03:01:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.7032","created_at":"2026-05-18T03:01:35Z"},{"alias_kind":"pith_short_12","alias_value":"XNMH7C4BNM25","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XNMH7C4BNM253HYR","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XNMH7C4B","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:XNMH7C4BNM253HYR2RSXTJJB7Y","target":"record","payload":{"canonical_record":{"source":{"id":"1311.7032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-27T16:44:27Z","cross_cats_sorted":[],"title_canon_sha256":"f7a2999ce12c9de34ba5b995a1c988f2655a93cc579f40ead94aea722104efd6","abstract_canon_sha256":"16df7031441a7321b99c4e575d027d3536c0c0b43e83722fe0ca594894dab00e"},"schema_version":"1.0"},"canonical_sha256":"bb587f8b816b35dd9f11d46579a521fe03465d417dfb1c77d02c1f3522d1939e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:01:35.120813Z","signature_b64":"H+mh8KsDSIQThV+HJGu4UdkZlcSM98wcqvaxadqfV52B6aUDUGbslyzMoN5Emh+zjFgEjS2zTu0Rq3V755y+AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb587f8b816b35dd9f11d46579a521fe03465d417dfb1c77d02c1f3522d1939e","last_reissued_at":"2026-05-18T03:01:35.120062Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:01:35.120062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.7032","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":"2026-05-18T03:01:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NDYMOLGZFrNWyVJnAz+edJQCrnnwEZrbB+HB/y6+oRCuJZno3jZsMG8wcLNvwz9fv1Y6mmopin54ntEQH/7DCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T09:53:56.162795Z"},"content_sha256":"cd1cfb25d88faa6506e5fcdf543447d373f5d307f81fda4ea930497a8b7f1f89","schema_version":"1.0","event_id":"sha256:cd1cfb25d88faa6506e5fcdf543447d373f5d307f81fda4ea930497a8b7f1f89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:XNMH7C4BNM253HYR2RSXTJJB7Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Engineered spatial inversion symmetry breaking in an oxide heterostructure built from isosymmetric room-temperature magnetically ordered components","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D. Lederman, E. D. Mishina, J. Alaria, J. B. Claridge, J. Hadermann, M. G. Cain, M. J. Rosseinsky, M. S. Dyer, N.A. Ilyin, N. E. Sherstyuk, P. Borisov, S. Lepadatu, T. D. Manning","submitted_at":"2013-11-27T16:44:27Z","abstract_excerpt":"The oxide heterostructure [(YFeO$_3$)$_5$(LaFeO$_3$)$_5$]$_{40}$, which is magnetically ordered and piezoelectric at room temperature, has been constructed from two weak ferromagnetic AFeO$_3$ perovskites with different A cations using RHEED-monitored pulsed laser deposition. The polarisation arises through the removal of inversion centres present within the individual AFeO$_3$ components. This symmetry reduction is a result of combining ordering on the A site, imposed by the periodicity of the grown structure, with appropriate orientations of the octahedral tilting characteristic of the perov"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.7032","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":"2026-05-18T03:01:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+lD4ND1QXLQiL8Z6KLJvWrURvrwzvDjmfPZ81JVJBcLq3RzWOx9Rw2fQn/2OOfcLNOffrc2lpMNTxz564oScBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T09:53:56.163134Z"},"content_sha256":"d0460a57a8eacf1f2a5a00eb3f50cac42c6cdea1a1f860e868a63f41cd1240a2","schema_version":"1.0","event_id":"sha256:d0460a57a8eacf1f2a5a00eb3f50cac42c6cdea1a1f860e868a63f41cd1240a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XNMH7C4BNM253HYR2RSXTJJB7Y/bundle.json","state_url":"https://pith.science/pith/XNMH7C4BNM253HYR2RSXTJJB7Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XNMH7C4BNM253HYR2RSXTJJB7Y/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":"2026-06-25T09:53:56Z","links":{"resolver":"https://pith.science/pith/XNMH7C4BNM253HYR2RSXTJJB7Y","bundle":"https://pith.science/pith/XNMH7C4BNM253HYR2RSXTJJB7Y/bundle.json","state":"https://pith.science/pith/XNMH7C4BNM253HYR2RSXTJJB7Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XNMH7C4BNM253HYR2RSXTJJB7Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:XNMH7C4BNM253HYR2RSXTJJB7Y","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":"16df7031441a7321b99c4e575d027d3536c0c0b43e83722fe0ca594894dab00e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-27T16:44:27Z","title_canon_sha256":"f7a2999ce12c9de34ba5b995a1c988f2655a93cc579f40ead94aea722104efd6"},"schema_version":"1.0","source":{"id":"1311.7032","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.7032","created_at":"2026-05-18T03:01:35Z"},{"alias_kind":"arxiv_version","alias_value":"1311.7032v1","created_at":"2026-05-18T03:01:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.7032","created_at":"2026-05-18T03:01:35Z"},{"alias_kind":"pith_short_12","alias_value":"XNMH7C4BNM25","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XNMH7C4BNM253HYR","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XNMH7C4B","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:d0460a57a8eacf1f2a5a00eb3f50cac42c6cdea1a1f860e868a63f41cd1240a2","target":"graph","created_at":"2026-05-18T03:01:35Z","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":"The oxide heterostructure [(YFeO$_3$)$_5$(LaFeO$_3$)$_5$]$_{40}$, which is magnetically ordered and piezoelectric at room temperature, has been constructed from two weak ferromagnetic AFeO$_3$ perovskites with different A cations using RHEED-monitored pulsed laser deposition. The polarisation arises through the removal of inversion centres present within the individual AFeO$_3$ components. This symmetry reduction is a result of combining ordering on the A site, imposed by the periodicity of the grown structure, with appropriate orientations of the octahedral tilting characteristic of the perov","authors_text":"D. Lederman, E. D. Mishina, J. Alaria, J. B. Claridge, J. Hadermann, M. G. Cain, M. J. Rosseinsky, M. S. Dyer, N.A. Ilyin, N. E. Sherstyuk, P. Borisov, S. Lepadatu, T. D. Manning","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-27T16:44:27Z","title":"Engineered spatial inversion symmetry breaking in an oxide heterostructure built from isosymmetric room-temperature magnetically ordered components"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.7032","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:cd1cfb25d88faa6506e5fcdf543447d373f5d307f81fda4ea930497a8b7f1f89","target":"record","created_at":"2026-05-18T03:01:35Z","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":"16df7031441a7321b99c4e575d027d3536c0c0b43e83722fe0ca594894dab00e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-27T16:44:27Z","title_canon_sha256":"f7a2999ce12c9de34ba5b995a1c988f2655a93cc579f40ead94aea722104efd6"},"schema_version":"1.0","source":{"id":"1311.7032","kind":"arxiv","version":1}},"canonical_sha256":"bb587f8b816b35dd9f11d46579a521fe03465d417dfb1c77d02c1f3522d1939e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb587f8b816b35dd9f11d46579a521fe03465d417dfb1c77d02c1f3522d1939e","first_computed_at":"2026-05-18T03:01:35.120062Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:01:35.120062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H+mh8KsDSIQThV+HJGu4UdkZlcSM98wcqvaxadqfV52B6aUDUGbslyzMoN5Emh+zjFgEjS2zTu0Rq3V755y+AA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:01:35.120813Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.7032","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd1cfb25d88faa6506e5fcdf543447d373f5d307f81fda4ea930497a8b7f1f89","sha256:d0460a57a8eacf1f2a5a00eb3f50cac42c6cdea1a1f860e868a63f41cd1240a2"],"state_sha256":"08dc29a2b8e4ec27095c729086ba668b71a2387767028dd1801f0ef56c721595"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N18IBtg8iv+hqk07Z+l6yCP7/ojkYvQL7Q/XjYedSmNUtSAY/bDmFt9wJn+8YdusDowl5Lx4hwVoAKSZxSu1CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T09:53:56.164898Z","bundle_sha256":"108f4deb52e8c957e48859bc6725a68a21a5d547b51d77336e5c0cd1546eac15"}}