{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:EJEF5L2D2OI6B7KNSDMGAYVBAZ","short_pith_number":"pith:EJEF5L2D","canonical_record":{"source":{"id":"1602.06619","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-22T01:31:01Z","cross_cats_sorted":[],"title_canon_sha256":"a65b9e7704305ab0461697178249f5bc28b7a8ac9e55d6f0224bdd8dbf53b91a","abstract_canon_sha256":"fbfbacdc2b01a010dfed57a79f9c8c689265e2aedbd0a630cbdc747dad4ba9ce"},"schema_version":"1.0"},"canonical_sha256":"22485eaf43d391e0fd4d90d86062a10644c078f29f5658f2309d3589af55ec4b","source":{"kind":"arxiv","id":"1602.06619","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.06619","created_at":"2026-05-18T01:13:55Z"},{"alias_kind":"arxiv_version","alias_value":"1602.06619v2","created_at":"2026-05-18T01:13:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.06619","created_at":"2026-05-18T01:13:55Z"},{"alias_kind":"pith_short_12","alias_value":"EJEF5L2D2OI6","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"EJEF5L2D2OI6B7KN","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"EJEF5L2D","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:EJEF5L2D2OI6B7KNSDMGAYVBAZ","target":"record","payload":{"canonical_record":{"source":{"id":"1602.06619","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-22T01:31:01Z","cross_cats_sorted":[],"title_canon_sha256":"a65b9e7704305ab0461697178249f5bc28b7a8ac9e55d6f0224bdd8dbf53b91a","abstract_canon_sha256":"fbfbacdc2b01a010dfed57a79f9c8c689265e2aedbd0a630cbdc747dad4ba9ce"},"schema_version":"1.0"},"canonical_sha256":"22485eaf43d391e0fd4d90d86062a10644c078f29f5658f2309d3589af55ec4b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:55.344263Z","signature_b64":"7sBeclk5NWK/X/N+nQ6ujx3+zHYDAcSuZHgSYhDyiOPl2ZMxQJO6GgcXaRYOB+ARGBx4eY5NUk6nmy8JbX4DDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22485eaf43d391e0fd4d90d86062a10644c078f29f5658f2309d3589af55ec4b","last_reissued_at":"2026-05-18T01:13:55.342772Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:55.342772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.06619","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":"2026-05-18T01:13:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2YuUfILCWIopeWNg2hfCC1kdSP4bgcJJmFtBcK/SRjqLsa82QYUbGDIPrC7sVsMrgrMyJfKUDEHRLOdl/dimCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:05:18.750411Z"},"content_sha256":"eb4e902ce78cbbdcc1e98d30f4af3d0be4a468b8b2a103fd9be8b25b40c53186","schema_version":"1.0","event_id":"sha256:eb4e902ce78cbbdcc1e98d30f4af3d0be4a468b8b2a103fd9be8b25b40c53186"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:EJEF5L2D2OI6B7KNSDMGAYVBAZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetoelectric properties of 500 nm Cr2O3 films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D. Lederman, M. Sahashi, P. Borisov, T. Ashida, T. Nozaki","submitted_at":"2016-02-22T01:31:01Z","abstract_excerpt":"The linear magnetoelectric effect was measured in 500 nm Cr2O3 films grown by rf sputtering on Al2O3 substrates between top and bottom thin film Pt electrodes. Magnetoelectric susceptibility was measured directly by applying an AC electric field and measuring the induced AC magnetic moment using superconducting quantum interference device magnetometry. A linear dependence of the induced AC magnetic moment on the AC electric field amplitude was found. The temperature dependence of the magnetoelectric susceptibility agreed qualitatively and quantitatively with prior measurements of bulk single c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.06619","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":"2026-05-18T01:13:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jO4C8ZwSaFe2ZmooRSs4oI6yxvdkE37HGU/EnXlYtN7/ko4Cc/Lr4crtmSJnFqjh5MHfjycAY9aT3Hwh6lqwCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:05:18.751027Z"},"content_sha256":"01272bc26bbc2af8cc44c53853f499b342fe11dfc1394f0db5a5527fc711fc21","schema_version":"1.0","event_id":"sha256:01272bc26bbc2af8cc44c53853f499b342fe11dfc1394f0db5a5527fc711fc21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EJEF5L2D2OI6B7KNSDMGAYVBAZ/bundle.json","state_url":"https://pith.science/pith/EJEF5L2D2OI6B7KNSDMGAYVBAZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EJEF5L2D2OI6B7KNSDMGAYVBAZ/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":"2026-05-27T07:05:18Z","links":{"resolver":"https://pith.science/pith/EJEF5L2D2OI6B7KNSDMGAYVBAZ","bundle":"https://pith.science/pith/EJEF5L2D2OI6B7KNSDMGAYVBAZ/bundle.json","state":"https://pith.science/pith/EJEF5L2D2OI6B7KNSDMGAYVBAZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EJEF5L2D2OI6B7KNSDMGAYVBAZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:EJEF5L2D2OI6B7KNSDMGAYVBAZ","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":"fbfbacdc2b01a010dfed57a79f9c8c689265e2aedbd0a630cbdc747dad4ba9ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-22T01:31:01Z","title_canon_sha256":"a65b9e7704305ab0461697178249f5bc28b7a8ac9e55d6f0224bdd8dbf53b91a"},"schema_version":"1.0","source":{"id":"1602.06619","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.06619","created_at":"2026-05-18T01:13:55Z"},{"alias_kind":"arxiv_version","alias_value":"1602.06619v2","created_at":"2026-05-18T01:13:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.06619","created_at":"2026-05-18T01:13:55Z"},{"alias_kind":"pith_short_12","alias_value":"EJEF5L2D2OI6","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"EJEF5L2D2OI6B7KN","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"EJEF5L2D","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:01272bc26bbc2af8cc44c53853f499b342fe11dfc1394f0db5a5527fc711fc21","target":"graph","created_at":"2026-05-18T01:13:55Z","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 linear magnetoelectric effect was measured in 500 nm Cr2O3 films grown by rf sputtering on Al2O3 substrates between top and bottom thin film Pt electrodes. Magnetoelectric susceptibility was measured directly by applying an AC electric field and measuring the induced AC magnetic moment using superconducting quantum interference device magnetometry. A linear dependence of the induced AC magnetic moment on the AC electric field amplitude was found. The temperature dependence of the magnetoelectric susceptibility agreed qualitatively and quantitatively with prior measurements of bulk single c","authors_text":"D. Lederman, M. Sahashi, P. Borisov, T. Ashida, T. Nozaki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-22T01:31:01Z","title":"Magnetoelectric properties of 500 nm Cr2O3 films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.06619","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:eb4e902ce78cbbdcc1e98d30f4af3d0be4a468b8b2a103fd9be8b25b40c53186","target":"record","created_at":"2026-05-18T01:13:55Z","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":"fbfbacdc2b01a010dfed57a79f9c8c689265e2aedbd0a630cbdc747dad4ba9ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-22T01:31:01Z","title_canon_sha256":"a65b9e7704305ab0461697178249f5bc28b7a8ac9e55d6f0224bdd8dbf53b91a"},"schema_version":"1.0","source":{"id":"1602.06619","kind":"arxiv","version":2}},"canonical_sha256":"22485eaf43d391e0fd4d90d86062a10644c078f29f5658f2309d3589af55ec4b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22485eaf43d391e0fd4d90d86062a10644c078f29f5658f2309d3589af55ec4b","first_computed_at":"2026-05-18T01:13:55.342772Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:55.342772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7sBeclk5NWK/X/N+nQ6ujx3+zHYDAcSuZHgSYhDyiOPl2ZMxQJO6GgcXaRYOB+ARGBx4eY5NUk6nmy8JbX4DDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:55.344263Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.06619","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb4e902ce78cbbdcc1e98d30f4af3d0be4a468b8b2a103fd9be8b25b40c53186","sha256:01272bc26bbc2af8cc44c53853f499b342fe11dfc1394f0db5a5527fc711fc21"],"state_sha256":"61e788689d9b15b6b4b0d2920c6e6821b140ae2b82a6ac671ec587d63a4418d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0MijR8bIhNEahszBUwjsYA+mUwG+JSmSo/sBaXwFngj1fLA4USuXQH52LsPauS7hmeFGYFWjQUD/uephLa6hAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T07:05:18.753929Z","bundle_sha256":"bfa18549183c8b572ea55978bf3df90a3ac51b204dacfe4bb7b9df1d804ab186"}}