{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OGZT4FVN6Y3AQPI4XXCUSS7KSO","short_pith_number":"pith:OGZT4FVN","canonical_record":{"source":{"id":"1407.4536","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-17T01:49:54Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"d1c9075967a94cfac263bcffd3d9e2861dbd50e37170329eefae0c0cb26af5b1","abstract_canon_sha256":"643a00c233e8fb644a635707d3bf7dd903bb2a7581be32b1ddd444c2a317ccda"},"schema_version":"1.0"},"canonical_sha256":"71b33e16adf636083d1cbdc5494bea93a94cb3fe0945ef0c750647b18a8b2059","source":{"kind":"arxiv","id":"1407.4536","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.4536","created_at":"2026-05-18T01:42:35Z"},{"alias_kind":"arxiv_version","alias_value":"1407.4536v1","created_at":"2026-05-18T01:42:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.4536","created_at":"2026-05-18T01:42:35Z"},{"alias_kind":"pith_short_12","alias_value":"OGZT4FVN6Y3A","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OGZT4FVN6Y3AQPI4","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OGZT4FVN","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OGZT4FVN6Y3AQPI4XXCUSS7KSO","target":"record","payload":{"canonical_record":{"source":{"id":"1407.4536","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-17T01:49:54Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"d1c9075967a94cfac263bcffd3d9e2861dbd50e37170329eefae0c0cb26af5b1","abstract_canon_sha256":"643a00c233e8fb644a635707d3bf7dd903bb2a7581be32b1ddd444c2a317ccda"},"schema_version":"1.0"},"canonical_sha256":"71b33e16adf636083d1cbdc5494bea93a94cb3fe0945ef0c750647b18a8b2059","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:35.891755Z","signature_b64":"guKQG5xP0r0NKR43iehTkkYse4uFslT9QcXjw5YG5Bp4+XfWaCTSi5EfDCa4UrwihVT2JEAeJ/9pAFscuVYrAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"71b33e16adf636083d1cbdc5494bea93a94cb3fe0945ef0c750647b18a8b2059","last_reissued_at":"2026-05-18T01:42:35.891083Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:35.891083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.4536","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":"2026-05-18T01:42:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H/EDEWY1En1YnwCx7Z15zSM0sXGOb/YqCGylrnZqPxDgjUOvHnVkINl5EaizZtD2pBlTgHHBzgOcQaK3/Y+ZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T21:13:12.498945Z"},"content_sha256":"7b4ee0926197e20a81e9c4bd00e7ca9da8c676e86f811c4eb1edd82f2620e785","schema_version":"1.0","event_id":"sha256:7b4ee0926197e20a81e9c4bd00e7ca9da8c676e86f811c4eb1edd82f2620e785"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OGZT4FVN6Y3AQPI4XXCUSS7KSO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ferroelectric and Magnetic Domains in LuFe2O4 Observed by Scanning Probe Microscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"I. K.Yang, J. Kim, S. B. Kim, S. H. Lee, S. W. Cheong, Y. H. Jeong","submitted_at":"2014-07-17T01:49:54Z","abstract_excerpt":"LuFe2O4 is a multiferroic system which exhibits ferroelectricity, charge order, and ferrimagnetic order simultaneously below ~230 K. The ferroelectric domains of LuFe2O4 are imaged with both piezoresponse force microscopy (PFM) and electrostatic force microscopy (EFM), while the magnetic domains are characterized by magnetic force microscopy (MFM). Comparison of PFM and EFM results lead to a conclusion that the ferroelectricity is of electronic origin as opposed to the usual displacive one. Simultaneous characterization of ferroelectric and magnetic domains by EFM and MFM, respectively, on the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.4536","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":"2026-05-18T01:42:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vHGsxJp/hLEAKEOLdNcNJrbehbpOCOhzAPenea9ZnYUIVD4iTrVHqOU4v2dfAqh2mLK/2O315IAOoFuXFISFDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T21:13:12.499292Z"},"content_sha256":"5f225f9565316998e07081b5b2c7547a9e7d790d3bc5c750a245c7af612dfdb5","schema_version":"1.0","event_id":"sha256:5f225f9565316998e07081b5b2c7547a9e7d790d3bc5c750a245c7af612dfdb5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OGZT4FVN6Y3AQPI4XXCUSS7KSO/bundle.json","state_url":"https://pith.science/pith/OGZT4FVN6Y3AQPI4XXCUSS7KSO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OGZT4FVN6Y3AQPI4XXCUSS7KSO/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":"2026-06-11T21:13:12Z","links":{"resolver":"https://pith.science/pith/OGZT4FVN6Y3AQPI4XXCUSS7KSO","bundle":"https://pith.science/pith/OGZT4FVN6Y3AQPI4XXCUSS7KSO/bundle.json","state":"https://pith.science/pith/OGZT4FVN6Y3AQPI4XXCUSS7KSO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OGZT4FVN6Y3AQPI4XXCUSS7KSO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OGZT4FVN6Y3AQPI4XXCUSS7KSO","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":"643a00c233e8fb644a635707d3bf7dd903bb2a7581be32b1ddd444c2a317ccda","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-17T01:49:54Z","title_canon_sha256":"d1c9075967a94cfac263bcffd3d9e2861dbd50e37170329eefae0c0cb26af5b1"},"schema_version":"1.0","source":{"id":"1407.4536","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.4536","created_at":"2026-05-18T01:42:35Z"},{"alias_kind":"arxiv_version","alias_value":"1407.4536v1","created_at":"2026-05-18T01:42:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.4536","created_at":"2026-05-18T01:42:35Z"},{"alias_kind":"pith_short_12","alias_value":"OGZT4FVN6Y3A","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OGZT4FVN6Y3AQPI4","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OGZT4FVN","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:5f225f9565316998e07081b5b2c7547a9e7d790d3bc5c750a245c7af612dfdb5","target":"graph","created_at":"2026-05-18T01:42:35Z","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":"LuFe2O4 is a multiferroic system which exhibits ferroelectricity, charge order, and ferrimagnetic order simultaneously below ~230 K. The ferroelectric domains of LuFe2O4 are imaged with both piezoresponse force microscopy (PFM) and electrostatic force microscopy (EFM), while the magnetic domains are characterized by magnetic force microscopy (MFM). Comparison of PFM and EFM results lead to a conclusion that the ferroelectricity is of electronic origin as opposed to the usual displacive one. Simultaneous characterization of ferroelectric and magnetic domains by EFM and MFM, respectively, on the","authors_text":"I. K.Yang, J. Kim, S. B. Kim, S. H. Lee, S. W. Cheong, Y. H. Jeong","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-17T01:49:54Z","title":"Ferroelectric and Magnetic Domains in LuFe2O4 Observed by Scanning Probe Microscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.4536","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":"sha256:7b4ee0926197e20a81e9c4bd00e7ca9da8c676e86f811c4eb1edd82f2620e785","target":"record","created_at":"2026-05-18T01:42:35Z","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":"643a00c233e8fb644a635707d3bf7dd903bb2a7581be32b1ddd444c2a317ccda","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-07-17T01:49:54Z","title_canon_sha256":"d1c9075967a94cfac263bcffd3d9e2861dbd50e37170329eefae0c0cb26af5b1"},"schema_version":"1.0","source":{"id":"1407.4536","kind":"arxiv","version":1}},"canonical_sha256":"71b33e16adf636083d1cbdc5494bea93a94cb3fe0945ef0c750647b18a8b2059","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"71b33e16adf636083d1cbdc5494bea93a94cb3fe0945ef0c750647b18a8b2059","first_computed_at":"2026-05-18T01:42:35.891083Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:35.891083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"guKQG5xP0r0NKR43iehTkkYse4uFslT9QcXjw5YG5Bp4+XfWaCTSi5EfDCa4UrwihVT2JEAeJ/9pAFscuVYrAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:35.891755Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.4536","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b4ee0926197e20a81e9c4bd00e7ca9da8c676e86f811c4eb1edd82f2620e785","sha256:5f225f9565316998e07081b5b2c7547a9e7d790d3bc5c750a245c7af612dfdb5"],"state_sha256":"4218bd186cbc53a8d4137a758fba32a856d4642d92ec3efb53cd8dde94c258b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gloY+KXZVkzXGt+lcoiU7U5o7at6QaTQ7+RzrwLYbEp5byop61DTPyfXRhJDQRFw7SXVYuwG3flBCgTvGBLAAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T21:13:12.501209Z","bundle_sha256":"86d7f73477e672bad9cca48dec9cc9bd64ac398f4a713a974cdd9e51185b5424"}}