{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:RFDVXLTBQ6V3GAE2SS6Q5CYBZG","short_pith_number":"pith:RFDVXLTB","canonical_record":{"source":{"id":"1105.4708","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-24T08:30:47Z","cross_cats_sorted":[],"title_canon_sha256":"838775015ada52865aefaca774dd9ed9c66d24dff8e54021fb3fa9986d20c83c","abstract_canon_sha256":"f04046628847752990554c8bf041f0fe3cc4600905e7a8b422361a60545b677f"},"schema_version":"1.0"},"canonical_sha256":"89475bae6187abb3009a94bd0e8b01c98d771a6a3c319009f2d51b370e95ad83","source":{"kind":"arxiv","id":"1105.4708","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.4708","created_at":"2026-05-18T02:21:49Z"},{"alias_kind":"arxiv_version","alias_value":"1105.4708v1","created_at":"2026-05-18T02:21:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.4708","created_at":"2026-05-18T02:21:49Z"},{"alias_kind":"pith_short_12","alias_value":"RFDVXLTBQ6V3","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"RFDVXLTBQ6V3GAE2","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"RFDVXLTB","created_at":"2026-05-18T12:26:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:RFDVXLTBQ6V3GAE2SS6Q5CYBZG","target":"record","payload":{"canonical_record":{"source":{"id":"1105.4708","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-24T08:30:47Z","cross_cats_sorted":[],"title_canon_sha256":"838775015ada52865aefaca774dd9ed9c66d24dff8e54021fb3fa9986d20c83c","abstract_canon_sha256":"f04046628847752990554c8bf041f0fe3cc4600905e7a8b422361a60545b677f"},"schema_version":"1.0"},"canonical_sha256":"89475bae6187abb3009a94bd0e8b01c98d771a6a3c319009f2d51b370e95ad83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:21:49.939254Z","signature_b64":"M8rLbygCN98e2mPDQ9YER8rrkOSxJx/jUw1A/k/Ww2tDoBq4z1M/EqnGXdiDL+v69LBcpyTp/yUtcELpGRw8BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89475bae6187abb3009a94bd0e8b01c98d771a6a3c319009f2d51b370e95ad83","last_reissued_at":"2026-05-18T02:21:49.938731Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:21:49.938731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.4708","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":"2026-05-18T02:21:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qnQ9IvDioXRaO9yCWINpH17a8NVRJwGAEtEL8oh5R5dQQ11Qr7eTjdXnXR9p0qCuEEF5q/hP+OvU++z8G+IYAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:19:02.206988Z"},"content_sha256":"8c237951a4377ab51e8d036bde07b2f8256bd53f99df4e6fafc9168e48f4fcb0","schema_version":"1.0","event_id":"sha256:8c237951a4377ab51e8d036bde07b2f8256bd53f99df4e6fafc9168e48f4fcb0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:RFDVXLTBQ6V3GAE2SS6Q5CYBZG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of Electronic Ferroelectric Polarization in Multiferroic YMn$_2$O$_5$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"B. B\\\"uchner, D. Souptel, E. Schierle, E. Weschke, J. Geck, J.P. Hill, S.B. Wilkins, S. Partzsch","submitted_at":"2011-05-24T08:30:47Z","abstract_excerpt":"We report the observation of a magnetic polarization of the O\\,$2p$-states in YMn$_2$O$_5$ through the use of soft X-ray resonant scattering at the oxygen $K$-edge. Remarkably, we find that the temperature dependence of the integrated intensity of this signal closely follows the macroscopic electric polarization, and hence is proportional to the ferroelectric order parameter. This is in contrast to the temperature dependence observed at the Mn\\,$L_3$-edge, which reflects the Mn magnetic order parameter. First principle calculations provide a microscopic understanding of these results and show "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.4708","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":"2026-05-18T02:21:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"54nbNWkAWmY2FBrLjqQwAfeEBn7IZZAmAbJRgIMimOj+z8vvlFRFDSZ3hp0RFWu5DHjC9gdig3eqk2fkRbt0AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:19:02.207376Z"},"content_sha256":"ef03d67e510225fa6b76dc45c368efe3410d7a03a7639e4a3b0b2a01366ee47d","schema_version":"1.0","event_id":"sha256:ef03d67e510225fa6b76dc45c368efe3410d7a03a7639e4a3b0b2a01366ee47d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RFDVXLTBQ6V3GAE2SS6Q5CYBZG/bundle.json","state_url":"https://pith.science/pith/RFDVXLTBQ6V3GAE2SS6Q5CYBZG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RFDVXLTBQ6V3GAE2SS6Q5CYBZG/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":"2026-05-27T20:19:02Z","links":{"resolver":"https://pith.science/pith/RFDVXLTBQ6V3GAE2SS6Q5CYBZG","bundle":"https://pith.science/pith/RFDVXLTBQ6V3GAE2SS6Q5CYBZG/bundle.json","state":"https://pith.science/pith/RFDVXLTBQ6V3GAE2SS6Q5CYBZG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RFDVXLTBQ6V3GAE2SS6Q5CYBZG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:RFDVXLTBQ6V3GAE2SS6Q5CYBZG","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":"f04046628847752990554c8bf041f0fe3cc4600905e7a8b422361a60545b677f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-24T08:30:47Z","title_canon_sha256":"838775015ada52865aefaca774dd9ed9c66d24dff8e54021fb3fa9986d20c83c"},"schema_version":"1.0","source":{"id":"1105.4708","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.4708","created_at":"2026-05-18T02:21:49Z"},{"alias_kind":"arxiv_version","alias_value":"1105.4708v1","created_at":"2026-05-18T02:21:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.4708","created_at":"2026-05-18T02:21:49Z"},{"alias_kind":"pith_short_12","alias_value":"RFDVXLTBQ6V3","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"RFDVXLTBQ6V3GAE2","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"RFDVXLTB","created_at":"2026-05-18T12:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:ef03d67e510225fa6b76dc45c368efe3410d7a03a7639e4a3b0b2a01366ee47d","target":"graph","created_at":"2026-05-18T02:21:49Z","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 the observation of a magnetic polarization of the O\\,$2p$-states in YMn$_2$O$_5$ through the use of soft X-ray resonant scattering at the oxygen $K$-edge. Remarkably, we find that the temperature dependence of the integrated intensity of this signal closely follows the macroscopic electric polarization, and hence is proportional to the ferroelectric order parameter. This is in contrast to the temperature dependence observed at the Mn\\,$L_3$-edge, which reflects the Mn magnetic order parameter. First principle calculations provide a microscopic understanding of these results and show ","authors_text":"B. B\\\"uchner, D. Souptel, E. Schierle, E. Weschke, J. Geck, J.P. Hill, S.B. Wilkins, S. Partzsch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-24T08:30:47Z","title":"Observation of Electronic Ferroelectric Polarization in Multiferroic YMn$_2$O$_5$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.4708","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":"sha256:8c237951a4377ab51e8d036bde07b2f8256bd53f99df4e6fafc9168e48f4fcb0","target":"record","created_at":"2026-05-18T02:21:49Z","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":"f04046628847752990554c8bf041f0fe3cc4600905e7a8b422361a60545b677f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-24T08:30:47Z","title_canon_sha256":"838775015ada52865aefaca774dd9ed9c66d24dff8e54021fb3fa9986d20c83c"},"schema_version":"1.0","source":{"id":"1105.4708","kind":"arxiv","version":1}},"canonical_sha256":"89475bae6187abb3009a94bd0e8b01c98d771a6a3c319009f2d51b370e95ad83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"89475bae6187abb3009a94bd0e8b01c98d771a6a3c319009f2d51b370e95ad83","first_computed_at":"2026-05-18T02:21:49.938731Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:21:49.938731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M8rLbygCN98e2mPDQ9YER8rrkOSxJx/jUw1A/k/Ww2tDoBq4z1M/EqnGXdiDL+v69LBcpyTp/yUtcELpGRw8BA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:21:49.939254Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.4708","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8c237951a4377ab51e8d036bde07b2f8256bd53f99df4e6fafc9168e48f4fcb0","sha256:ef03d67e510225fa6b76dc45c368efe3410d7a03a7639e4a3b0b2a01366ee47d"],"state_sha256":"f202f1e39785a5fb5b0d4291cb15d2a3093ea1684afdfaea06c128289956ae28"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hLOr/idm+3bCrq3M/ec53/EFAa8xGa7Iiy8Gf1J6fe5dVPYcfw1r4u8pZ4gxPWIAe24Bl60tAL/PyRmzrmdyDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:19:02.210617Z","bundle_sha256":"091b60bf18f6ba80b127f33521c1863a5037f2cbc69cbf22f94f46f1dad76e2d"}}