{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:BUPHZSEKPSR26BOQN34QOSVQTC","short_pith_number":"pith:BUPHZSEK","canonical_record":{"source":{"id":"1609.02903","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-09T19:40:09Z","cross_cats_sorted":[],"title_canon_sha256":"1df49c763312f1edbeb7e32b32fe56265963261d2ac34548ef553c7c0ff312c0","abstract_canon_sha256":"f50e84e45094c0ba3fde3149ba87f043901db24dd74093daa6d87644ba805ee2"},"schema_version":"1.0"},"canonical_sha256":"0d1e7cc88a7ca3af05d06ef9074ab0989a0b98ffeba11dbfe9f1f85d7d44b68d","source":{"kind":"arxiv","id":"1609.02903","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.02903","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"arxiv_version","alias_value":"1609.02903v2","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.02903","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"pith_short_12","alias_value":"BUPHZSEKPSR2","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"BUPHZSEKPSR26BOQ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"BUPHZSEK","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:BUPHZSEKPSR26BOQN34QOSVQTC","target":"record","payload":{"canonical_record":{"source":{"id":"1609.02903","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-09T19:40:09Z","cross_cats_sorted":[],"title_canon_sha256":"1df49c763312f1edbeb7e32b32fe56265963261d2ac34548ef553c7c0ff312c0","abstract_canon_sha256":"f50e84e45094c0ba3fde3149ba87f043901db24dd74093daa6d87644ba805ee2"},"schema_version":"1.0"},"canonical_sha256":"0d1e7cc88a7ca3af05d06ef9074ab0989a0b98ffeba11dbfe9f1f85d7d44b68d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:07.514879Z","signature_b64":"cHsSzBhUoeAXFveN6nEGgQE5Q2JLeft55Xb6Aal8UOZ6G1XuSmMRdrNbKqzlY/9AFCCiTlCAO8jUfBx2N/uVCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d1e7cc88a7ca3af05d06ef9074ab0989a0b98ffeba11dbfe9f1f85d7d44b68d","last_reissued_at":"2026-05-18T00:53:07.514535Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:07.514535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.02903","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":"2026-05-18T00:53:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OCcfaKSAoKQulMprefWXs6M8vBRRhwvcYvXQYlpi4mI4Pnlr2xoDi4sw2GH+R5UK1xBnP4RMFwCIpOrUt4goBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:31:32.984601Z"},"content_sha256":"0b01d791817b25fb7ee4fe7bd962b146a41d51fe50893bafa8e3f043252f2bd3","schema_version":"1.0","event_id":"sha256:0b01d791817b25fb7ee4fe7bd962b146a41d51fe50893bafa8e3f043252f2bd3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:BUPHZSEKPSR26BOQN34QOSVQTC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the origin of perpendicular magnetic anisotropy in strained Fe-Co(-X) films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alexander Edstr\\\"om, Darius Pohl, Jan Rusz, Ludwig Reichel, Ludwig Schultz, Olle Eriksson, Sebastian F\\\"ahler","submitted_at":"2016-09-09T19:40:09Z","abstract_excerpt":"Very high magnetic anisotropies have been theoretically predicted for strained Fe-Co(-X) and indeed several experiments on epitaxial thin films seemed to confirm strain induced anisotropy enhancement. This study presents a critical analysis of the different contributions to perpendicular anisotropy: volume, interface and surface anisotropies. Tracing these contributions, thickness series of single layer films as well as multilayers with Au-Cu buffers/interlayers of different lattice parameters have been prepared. The analysis of their magnetic anisotropy reveals a negligible influence of the l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.02903","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":"2026-05-18T00:53:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PJPpZjYq05E26QrPPo6HIEWuf7XvlOkp6kvQlbzC9VEFc62//bb8usMyQvdpKiu0YMt8/XuZNFpg/V3T0zUhBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T23:31:32.985255Z"},"content_sha256":"db496d489adcc3d1c502b1f5bb2f9e9e46781afe929445aab62c4ce43c0a984a","schema_version":"1.0","event_id":"sha256:db496d489adcc3d1c502b1f5bb2f9e9e46781afe929445aab62c4ce43c0a984a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BUPHZSEKPSR26BOQN34QOSVQTC/bundle.json","state_url":"https://pith.science/pith/BUPHZSEKPSR26BOQN34QOSVQTC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BUPHZSEKPSR26BOQN34QOSVQTC/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":"2026-06-02T23:31:32Z","links":{"resolver":"https://pith.science/pith/BUPHZSEKPSR26BOQN34QOSVQTC","bundle":"https://pith.science/pith/BUPHZSEKPSR26BOQN34QOSVQTC/bundle.json","state":"https://pith.science/pith/BUPHZSEKPSR26BOQN34QOSVQTC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BUPHZSEKPSR26BOQN34QOSVQTC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:BUPHZSEKPSR26BOQN34QOSVQTC","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":"f50e84e45094c0ba3fde3149ba87f043901db24dd74093daa6d87644ba805ee2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-09T19:40:09Z","title_canon_sha256":"1df49c763312f1edbeb7e32b32fe56265963261d2ac34548ef553c7c0ff312c0"},"schema_version":"1.0","source":{"id":"1609.02903","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.02903","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"arxiv_version","alias_value":"1609.02903v2","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.02903","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"pith_short_12","alias_value":"BUPHZSEKPSR2","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"BUPHZSEKPSR26BOQ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"BUPHZSEK","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:db496d489adcc3d1c502b1f5bb2f9e9e46781afe929445aab62c4ce43c0a984a","target":"graph","created_at":"2026-05-18T00:53:07Z","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":"Very high magnetic anisotropies have been theoretically predicted for strained Fe-Co(-X) and indeed several experiments on epitaxial thin films seemed to confirm strain induced anisotropy enhancement. This study presents a critical analysis of the different contributions to perpendicular anisotropy: volume, interface and surface anisotropies. Tracing these contributions, thickness series of single layer films as well as multilayers with Au-Cu buffers/interlayers of different lattice parameters have been prepared. The analysis of their magnetic anisotropy reveals a negligible influence of the l","authors_text":"Alexander Edstr\\\"om, Darius Pohl, Jan Rusz, Ludwig Reichel, Ludwig Schultz, Olle Eriksson, Sebastian F\\\"ahler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-09T19:40:09Z","title":"On the origin of perpendicular magnetic anisotropy in strained Fe-Co(-X) films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.02903","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":"sha256:0b01d791817b25fb7ee4fe7bd962b146a41d51fe50893bafa8e3f043252f2bd3","target":"record","created_at":"2026-05-18T00:53:07Z","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":"f50e84e45094c0ba3fde3149ba87f043901db24dd74093daa6d87644ba805ee2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-09T19:40:09Z","title_canon_sha256":"1df49c763312f1edbeb7e32b32fe56265963261d2ac34548ef553c7c0ff312c0"},"schema_version":"1.0","source":{"id":"1609.02903","kind":"arxiv","version":2}},"canonical_sha256":"0d1e7cc88a7ca3af05d06ef9074ab0989a0b98ffeba11dbfe9f1f85d7d44b68d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d1e7cc88a7ca3af05d06ef9074ab0989a0b98ffeba11dbfe9f1f85d7d44b68d","first_computed_at":"2026-05-18T00:53:07.514535Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:07.514535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cHsSzBhUoeAXFveN6nEGgQE5Q2JLeft55Xb6Aal8UOZ6G1XuSmMRdrNbKqzlY/9AFCCiTlCAO8jUfBx2N/uVCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:07.514879Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.02903","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b01d791817b25fb7ee4fe7bd962b146a41d51fe50893bafa8e3f043252f2bd3","sha256:db496d489adcc3d1c502b1f5bb2f9e9e46781afe929445aab62c4ce43c0a984a"],"state_sha256":"54d73cb4a71af6659c45bda4e50b16cef1c5bd2a3842009f5d1f869e50aea6cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q4kT3eqXvjV8tVRYK5HMo6TkYycQ8fdVvnJoGpi3yHzjNwJDNNX6qKCEZLPzvS/oClX9ik2awGW0HfmF36fhBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T23:31:32.988497Z","bundle_sha256":"69db3fccf8b5f970172098db4506d37cf27e1b39ba5db0d8d48eb61fa61da070"}}