{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TVNVDU6JDD2FYO5VKMV3JTFQ2J","short_pith_number":"pith:TVNVDU6J","canonical_record":{"source":{"id":"1201.5458","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-01-26T08:49:06Z","cross_cats_sorted":[],"title_canon_sha256":"3d9f71fc6f1e1fca2af1e4b1895b8b6b5738a51b9d758234250934c4e38ba7c3","abstract_canon_sha256":"e80fe3f1d0b09a0930d18c0c9e811a54a52113e6a2010ca1bc247ee653a204b2"},"schema_version":"1.0"},"canonical_sha256":"9d5b51d3c918f45c3bb5532bb4ccb0d2763d0a3ad6f47e329dad39bfd4353879","source":{"kind":"arxiv","id":"1201.5458","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.5458","created_at":"2026-05-18T03:59:01Z"},{"alias_kind":"arxiv_version","alias_value":"1201.5458v2","created_at":"2026-05-18T03:59:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5458","created_at":"2026-05-18T03:59:01Z"},{"alias_kind":"pith_short_12","alias_value":"TVNVDU6JDD2F","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TVNVDU6JDD2FYO5V","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TVNVDU6J","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TVNVDU6JDD2FYO5VKMV3JTFQ2J","target":"record","payload":{"canonical_record":{"source":{"id":"1201.5458","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-01-26T08:49:06Z","cross_cats_sorted":[],"title_canon_sha256":"3d9f71fc6f1e1fca2af1e4b1895b8b6b5738a51b9d758234250934c4e38ba7c3","abstract_canon_sha256":"e80fe3f1d0b09a0930d18c0c9e811a54a52113e6a2010ca1bc247ee653a204b2"},"schema_version":"1.0"},"canonical_sha256":"9d5b51d3c918f45c3bb5532bb4ccb0d2763d0a3ad6f47e329dad39bfd4353879","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:59:01.216482Z","signature_b64":"lxshMqUhAPcBcQSXhT5rzARe6X74xmax11SQTUUk9K4jefSOHD7A4lrfYIUKF/icORgyQZeUTjn+hJyHwJTRBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d5b51d3c918f45c3bb5532bb4ccb0d2763d0a3ad6f47e329dad39bfd4353879","last_reissued_at":"2026-05-18T03:59:01.215639Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:59:01.215639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.5458","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:59:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xSL2ikoCqgThTTRyvRxxhdZMvQyiCq7It/wCW9GZTmgxcY9yC7rry14/DqmoFC5dUalKD0QzzipKkrX/AVLrCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T01:19:22.391097Z"},"content_sha256":"620c9401ca568488107f6bc997d42990690d9166995a390d22bc364da06207f8","schema_version":"1.0","event_id":"sha256:620c9401ca568488107f6bc997d42990690d9166995a390d22bc364da06207f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TVNVDU6JDD2FYO5VKMV3JTFQ2J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetodielectric coupling and phonon properties of compressively strained EuTiO3 thin films deposited on LSAT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Dkhil, C.J. Fennie, D.G. Schlom, D. Nuzhnyy, J.H. Lee, J. Hlinka, J. Petzelt, K. Rushchanskii, M. Kempa, M. Lezaic, M. Orlita, P. Gemeiner, S. Kamba, T.Birol, V. Bovtun, V. Goian","submitted_at":"2012-01-26T08:49:06Z","abstract_excerpt":"Compressively strained epitaxial (001) EuTiO3 thin films of tetragonal symmetry have been deposited on (001) (LaAlO3)_0.29-(SrAl_{1/2}Ta_{1/2}O3)_0.71 (LSAT) substrates by reactive molecular-beam epitaxy. Enhancement of the Neel temperature by 1 K with 0.9% compressive strain was revealed. The polar phonons ofthe films have been investigated as a function of temperature and magnetic field by means of infrared reflectance spectroscopy. All three infrared active phonons show strongly stiffened frequencies compared to bulk EuTiO3 in accordance with first principles calculations. The phonon freque"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5458","kind":"arxiv","version":2},"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":"2026-05-18T03:59:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1ufTIkw2FMShaN/2nv2wmNcamjkVALqXV2UGw0Dvt2C8OzS1Up92sIWCN4D0wnxWac8Jso4Iyf8bFviG/hyZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T01:19:22.391460Z"},"content_sha256":"1338f25e2c2ec088247c061d7c2521b1d128da5c4c23e602354845a29780348d","schema_version":"1.0","event_id":"sha256:1338f25e2c2ec088247c061d7c2521b1d128da5c4c23e602354845a29780348d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TVNVDU6JDD2FYO5VKMV3JTFQ2J/bundle.json","state_url":"https://pith.science/pith/TVNVDU6JDD2FYO5VKMV3JTFQ2J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TVNVDU6JDD2FYO5VKMV3JTFQ2J/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":"2026-06-06T01:19:22Z","links":{"resolver":"https://pith.science/pith/TVNVDU6JDD2FYO5VKMV3JTFQ2J","bundle":"https://pith.science/pith/TVNVDU6JDD2FYO5VKMV3JTFQ2J/bundle.json","state":"https://pith.science/pith/TVNVDU6JDD2FYO5VKMV3JTFQ2J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TVNVDU6JDD2FYO5VKMV3JTFQ2J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TVNVDU6JDD2FYO5VKMV3JTFQ2J","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":"e80fe3f1d0b09a0930d18c0c9e811a54a52113e6a2010ca1bc247ee653a204b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-01-26T08:49:06Z","title_canon_sha256":"3d9f71fc6f1e1fca2af1e4b1895b8b6b5738a51b9d758234250934c4e38ba7c3"},"schema_version":"1.0","source":{"id":"1201.5458","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.5458","created_at":"2026-05-18T03:59:01Z"},{"alias_kind":"arxiv_version","alias_value":"1201.5458v2","created_at":"2026-05-18T03:59:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5458","created_at":"2026-05-18T03:59:01Z"},{"alias_kind":"pith_short_12","alias_value":"TVNVDU6JDD2F","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TVNVDU6JDD2FYO5V","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TVNVDU6J","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:1338f25e2c2ec088247c061d7c2521b1d128da5c4c23e602354845a29780348d","target":"graph","created_at":"2026-05-18T03:59:01Z","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":"Compressively strained epitaxial (001) EuTiO3 thin films of tetragonal symmetry have been deposited on (001) (LaAlO3)_0.29-(SrAl_{1/2}Ta_{1/2}O3)_0.71 (LSAT) substrates by reactive molecular-beam epitaxy. Enhancement of the Neel temperature by 1 K with 0.9% compressive strain was revealed. The polar phonons ofthe films have been investigated as a function of temperature and magnetic field by means of infrared reflectance spectroscopy. All three infrared active phonons show strongly stiffened frequencies compared to bulk EuTiO3 in accordance with first principles calculations. The phonon freque","authors_text":"B. Dkhil, C.J. Fennie, D.G. Schlom, D. Nuzhnyy, J.H. Lee, J. Hlinka, J. Petzelt, K. Rushchanskii, M. Kempa, M. Lezaic, M. Orlita, P. Gemeiner, S. Kamba, T.Birol, V. Bovtun, V. Goian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-01-26T08:49:06Z","title":"Magnetodielectric coupling and phonon properties of compressively strained EuTiO3 thin films deposited on LSAT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5458","kind":"arxiv","version":2},"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":"sha256:620c9401ca568488107f6bc997d42990690d9166995a390d22bc364da06207f8","target":"record","created_at":"2026-05-18T03:59:01Z","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":"e80fe3f1d0b09a0930d18c0c9e811a54a52113e6a2010ca1bc247ee653a204b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-01-26T08:49:06Z","title_canon_sha256":"3d9f71fc6f1e1fca2af1e4b1895b8b6b5738a51b9d758234250934c4e38ba7c3"},"schema_version":"1.0","source":{"id":"1201.5458","kind":"arxiv","version":2}},"canonical_sha256":"9d5b51d3c918f45c3bb5532bb4ccb0d2763d0a3ad6f47e329dad39bfd4353879","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d5b51d3c918f45c3bb5532bb4ccb0d2763d0a3ad6f47e329dad39bfd4353879","first_computed_at":"2026-05-18T03:59:01.215639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:59:01.215639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lxshMqUhAPcBcQSXhT5rzARe6X74xmax11SQTUUk9K4jefSOHD7A4lrfYIUKF/icORgyQZeUTjn+hJyHwJTRBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:59:01.216482Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.5458","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:620c9401ca568488107f6bc997d42990690d9166995a390d22bc364da06207f8","sha256:1338f25e2c2ec088247c061d7c2521b1d128da5c4c23e602354845a29780348d"],"state_sha256":"e331a04b893bed3ffcb371b31ecd3a7f5f978583a0aba0adb70ddc528f3a02f7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0L/cMJcwdSfManT8CgJYjDSpQCjJa4yvRKaUbJ0G7w93L89mAIu9OuYiy4SQeR7JA1P/8nndlBBDX7hwMDaqCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T01:19:22.394486Z","bundle_sha256":"a58a0a1a0e9ef82a28cc8ba1345cf3d33846ecc7e508b8e1b47b57afed778072"}}