{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:T72Z6IA2Z2533SWTGKYKYW4I4O","short_pith_number":"pith:T72Z6IA2","canonical_record":{"source":{"id":"1507.05767","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-21T09:54:43Z","cross_cats_sorted":[],"title_canon_sha256":"c4d008dca7b1726439346ec07a785d2565d9cf2d8e3ea61253e78ff142e48423","abstract_canon_sha256":"10addc2f8858ec3ed707b71f6234fe686045f1abd5759e447778e4a6dc2eab99"},"schema_version":"1.0"},"canonical_sha256":"9ff59f201acebbbdcad332b0ac5b88e3a9e3f257d5d261f0a6e1fea5c318cfb6","source":{"kind":"arxiv","id":"1507.05767","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.05767","created_at":"2026-05-18T01:36:32Z"},{"alias_kind":"arxiv_version","alias_value":"1507.05767v1","created_at":"2026-05-18T01:36:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.05767","created_at":"2026-05-18T01:36:32Z"},{"alias_kind":"pith_short_12","alias_value":"T72Z6IA2Z253","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"T72Z6IA2Z2533SWT","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"T72Z6IA2","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:T72Z6IA2Z2533SWTGKYKYW4I4O","target":"record","payload":{"canonical_record":{"source":{"id":"1507.05767","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-21T09:54:43Z","cross_cats_sorted":[],"title_canon_sha256":"c4d008dca7b1726439346ec07a785d2565d9cf2d8e3ea61253e78ff142e48423","abstract_canon_sha256":"10addc2f8858ec3ed707b71f6234fe686045f1abd5759e447778e4a6dc2eab99"},"schema_version":"1.0"},"canonical_sha256":"9ff59f201acebbbdcad332b0ac5b88e3a9e3f257d5d261f0a6e1fea5c318cfb6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:32.515469Z","signature_b64":"qSHNjUN+54EvvPF0o71Ch5QAcU0rH9JSgOKHnmUcvHT4KSafQsxNObjj6d1xIltBbJr0NC3UT/Yg9tErE/bhCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ff59f201acebbbdcad332b0ac5b88e3a9e3f257d5d261f0a6e1fea5c318cfb6","last_reissued_at":"2026-05-18T01:36:32.514753Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:32.514753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.05767","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":"2026-05-18T01:36:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DC+Qq/E79RxLnKeJKJwtx3LLi+YFlFenaCol/qN2yMNdZHJNPHpxW/2+I/vRIie6NmUeNHjh+XDIraQKEYGMAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T11:58:05.376749Z"},"content_sha256":"1679c5dd2df3390cec49260aa645645444bb38a10f64ddfd7e0beda6bd4788f7","schema_version":"1.0","event_id":"sha256:1679c5dd2df3390cec49260aa645645444bb38a10f64ddfd7e0beda6bd4788f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:T72Z6IA2Z2533SWTGKYKYW4I4O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electric field controlled magnetization and transport properties of La0.7Ca0.3MnO3 ultrathin film","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Tulapurkar, C. V. Tomy, Himanshu Sharma","submitted_at":"2015-07-21T09:54:43Z","abstract_excerpt":"We have investigated the effect of electric field control on the magnetization and the transport properties in La0.7Ca0.3MnO3 (LCMO) ultrathin film (~10 nm) by using it as the semiconductor channel material of a prototypical field effect device and SiO2 as dielectric gate. A large electroresistance (ER) of ~78% at Vg = -8 V is found in LCMO at 200 K. The direct magnetization measurements confirm the formation of a large ferromagnetic phase with the increase in the applied gate voltage at 200 K."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.05767","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":"2026-05-18T01:36:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wlP8dZkly7teGs8CWSpdzfUVsDPhqmEFjmPq+2O4mPAUM1I9HSovvppupk5126qYXraENw+j1/YX26SspTfuAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T11:58:05.377100Z"},"content_sha256":"6e8ab1d98e6189a8336e6044e4eeeddcd7b5beae5cd20dc1c917629a014a4cca","schema_version":"1.0","event_id":"sha256:6e8ab1d98e6189a8336e6044e4eeeddcd7b5beae5cd20dc1c917629a014a4cca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T72Z6IA2Z2533SWTGKYKYW4I4O/bundle.json","state_url":"https://pith.science/pith/T72Z6IA2Z2533SWTGKYKYW4I4O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T72Z6IA2Z2533SWTGKYKYW4I4O/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":"2026-05-19T11:58:05Z","links":{"resolver":"https://pith.science/pith/T72Z6IA2Z2533SWTGKYKYW4I4O","bundle":"https://pith.science/pith/T72Z6IA2Z2533SWTGKYKYW4I4O/bundle.json","state":"https://pith.science/pith/T72Z6IA2Z2533SWTGKYKYW4I4O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T72Z6IA2Z2533SWTGKYKYW4I4O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:T72Z6IA2Z2533SWTGKYKYW4I4O","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":"10addc2f8858ec3ed707b71f6234fe686045f1abd5759e447778e4a6dc2eab99","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-21T09:54:43Z","title_canon_sha256":"c4d008dca7b1726439346ec07a785d2565d9cf2d8e3ea61253e78ff142e48423"},"schema_version":"1.0","source":{"id":"1507.05767","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.05767","created_at":"2026-05-18T01:36:32Z"},{"alias_kind":"arxiv_version","alias_value":"1507.05767v1","created_at":"2026-05-18T01:36:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.05767","created_at":"2026-05-18T01:36:32Z"},{"alias_kind":"pith_short_12","alias_value":"T72Z6IA2Z253","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"T72Z6IA2Z2533SWT","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"T72Z6IA2","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:6e8ab1d98e6189a8336e6044e4eeeddcd7b5beae5cd20dc1c917629a014a4cca","target":"graph","created_at":"2026-05-18T01:36:32Z","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 have investigated the effect of electric field control on the magnetization and the transport properties in La0.7Ca0.3MnO3 (LCMO) ultrathin film (~10 nm) by using it as the semiconductor channel material of a prototypical field effect device and SiO2 as dielectric gate. A large electroresistance (ER) of ~78% at Vg = -8 V is found in LCMO at 200 K. The direct magnetization measurements confirm the formation of a large ferromagnetic phase with the increase in the applied gate voltage at 200 K.","authors_text":"A. Tulapurkar, C. V. Tomy, Himanshu Sharma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-21T09:54:43Z","title":"Electric field controlled magnetization and transport properties of La0.7Ca0.3MnO3 ultrathin film"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.05767","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":"sha256:1679c5dd2df3390cec49260aa645645444bb38a10f64ddfd7e0beda6bd4788f7","target":"record","created_at":"2026-05-18T01:36:32Z","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":"10addc2f8858ec3ed707b71f6234fe686045f1abd5759e447778e4a6dc2eab99","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-21T09:54:43Z","title_canon_sha256":"c4d008dca7b1726439346ec07a785d2565d9cf2d8e3ea61253e78ff142e48423"},"schema_version":"1.0","source":{"id":"1507.05767","kind":"arxiv","version":1}},"canonical_sha256":"9ff59f201acebbbdcad332b0ac5b88e3a9e3f257d5d261f0a6e1fea5c318cfb6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ff59f201acebbbdcad332b0ac5b88e3a9e3f257d5d261f0a6e1fea5c318cfb6","first_computed_at":"2026-05-18T01:36:32.514753Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:32.514753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qSHNjUN+54EvvPF0o71Ch5QAcU0rH9JSgOKHnmUcvHT4KSafQsxNObjj6d1xIltBbJr0NC3UT/Yg9tErE/bhCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:32.515469Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.05767","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1679c5dd2df3390cec49260aa645645444bb38a10f64ddfd7e0beda6bd4788f7","sha256:6e8ab1d98e6189a8336e6044e4eeeddcd7b5beae5cd20dc1c917629a014a4cca"],"state_sha256":"30d0283da46272d80b885f5370c2210a73f082605e0f5d3bab2089078ccda20d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AvvoUUs6cN66d6jOtqwcV1w0S061VuZ8EqjB+ulpHHJchyFbRd6q3nsqgbCZmaIS8hHWlbm1J52nY9USBjuXCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T11:58:05.378891Z","bundle_sha256":"0a18358def2adec9103309d9c6fe2ec34a99178d48c5fc73b42d46aee409d25f"}}