{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IUS3JQJXYVI4PUOJKQXBU2QSZQ","short_pith_number":"pith:IUS3JQJX","canonical_record":{"source":{"id":"1606.04263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-06-14T09:10:05Z","cross_cats_sorted":[],"title_canon_sha256":"112876a97260f758e65c32c1281abed10c2d17cabb02b0f90a540c6cab83d07b","abstract_canon_sha256":"ddcbdcdc74e1408fd13614f6bb355d9d7686e27a485775375b1a234ead7c64af"},"schema_version":"1.0"},"canonical_sha256":"4525b4c137c551c7d1c9542e1a6a12cc1f336300a28d1cb00b6289d270e92a10","source":{"kind":"arxiv","id":"1606.04263","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.04263","created_at":"2026-05-18T00:46:55Z"},{"alias_kind":"arxiv_version","alias_value":"1606.04263v1","created_at":"2026-05-18T00:46:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.04263","created_at":"2026-05-18T00:46:55Z"},{"alias_kind":"pith_short_12","alias_value":"IUS3JQJXYVI4","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IUS3JQJXYVI4PUOJ","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IUS3JQJX","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IUS3JQJXYVI4PUOJKQXBU2QSZQ","target":"record","payload":{"canonical_record":{"source":{"id":"1606.04263","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-06-14T09:10:05Z","cross_cats_sorted":[],"title_canon_sha256":"112876a97260f758e65c32c1281abed10c2d17cabb02b0f90a540c6cab83d07b","abstract_canon_sha256":"ddcbdcdc74e1408fd13614f6bb355d9d7686e27a485775375b1a234ead7c64af"},"schema_version":"1.0"},"canonical_sha256":"4525b4c137c551c7d1c9542e1a6a12cc1f336300a28d1cb00b6289d270e92a10","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:55.684588Z","signature_b64":"d8sTf5P9KZBBlB1u9+wDlIMJKY3TA0KSfStHRT59Xdfu6F35OzQxDmQOlhH5/afxIym7K2yK0M2bScxgBJK/CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4525b4c137c551c7d1c9542e1a6a12cc1f336300a28d1cb00b6289d270e92a10","last_reissued_at":"2026-05-18T00:46:55.683952Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:55.683952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.04263","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":"2026-05-18T00:46:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T54Udese+wCIS9ZFHI1PpmztaI7S71j/0l5G3H9cvrldj0F0eOZZG5QcRFXQbMetsSEYSxJD5a0AofKmoOAYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:12:40.738351Z"},"content_sha256":"05c5e7a5c5082f11fea55ec00777f3fd83c5eae2727a49915c3a6124e0601070","schema_version":"1.0","event_id":"sha256:05c5e7a5c5082f11fea55ec00777f3fd83c5eae2727a49915c3a6124e0601070"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IUS3JQJXYVI4PUOJKQXBU2QSZQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Origin of the large positive magnetoresistance in Ge1-xMnx granular thin films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Atsushi Fujimori, Goro Shibata, Hiroshi Yamagami, Masaaki Tanaka, Masafumi Horio, Ryota Akiyama, Shinobu Ohya, Shoya Sakamoto, Yoshisuke Ban, Yuji Saitoh, Yukiharu Takeda, Yuki K. Wakabayashi","submitted_at":"2016-06-14T09:10:05Z","abstract_excerpt":"GeMn granular thin films are a unique and promising material for spintronics applications due to large positive magnetoresistance (MR). Previous studies on GeMn have suggested that the large MR is related to nanospinodal decomposition of GeMn into Mn-rich ferromagnetic nanoparticles and Mn-poor paramagnetic matrix. However, its microscopic origin of the MR has not been clarified yet. Here, using X-ray magnetic circular dichroism (XMCD), which is extremely sensitive to the local magnetic state of each atom, we investigate the magnetic properties of the nanoparticles and the matrix in GeMn separ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.04263","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":"2026-05-18T00:46:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uG9SeZEYF5blQ7JT2fpW9dx/6AZ+KEvy7fAV0L12DrDsKO6lohXDke3U+G7k8Yk5Mg+s35A7bizInVABtCkiBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:12:40.739028Z"},"content_sha256":"95fd64b5c0ac6a53d516d2244b0d36805c651c5dee5b32ad32119f42a5ccecb4","schema_version":"1.0","event_id":"sha256:95fd64b5c0ac6a53d516d2244b0d36805c651c5dee5b32ad32119f42a5ccecb4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IUS3JQJXYVI4PUOJKQXBU2QSZQ/bundle.json","state_url":"https://pith.science/pith/IUS3JQJXYVI4PUOJKQXBU2QSZQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IUS3JQJXYVI4PUOJKQXBU2QSZQ/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":"2026-05-26T07:12:40Z","links":{"resolver":"https://pith.science/pith/IUS3JQJXYVI4PUOJKQXBU2QSZQ","bundle":"https://pith.science/pith/IUS3JQJXYVI4PUOJKQXBU2QSZQ/bundle.json","state":"https://pith.science/pith/IUS3JQJXYVI4PUOJKQXBU2QSZQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IUS3JQJXYVI4PUOJKQXBU2QSZQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IUS3JQJXYVI4PUOJKQXBU2QSZQ","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":"ddcbdcdc74e1408fd13614f6bb355d9d7686e27a485775375b1a234ead7c64af","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-06-14T09:10:05Z","title_canon_sha256":"112876a97260f758e65c32c1281abed10c2d17cabb02b0f90a540c6cab83d07b"},"schema_version":"1.0","source":{"id":"1606.04263","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.04263","created_at":"2026-05-18T00:46:55Z"},{"alias_kind":"arxiv_version","alias_value":"1606.04263v1","created_at":"2026-05-18T00:46:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.04263","created_at":"2026-05-18T00:46:55Z"},{"alias_kind":"pith_short_12","alias_value":"IUS3JQJXYVI4","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IUS3JQJXYVI4PUOJ","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IUS3JQJX","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:95fd64b5c0ac6a53d516d2244b0d36805c651c5dee5b32ad32119f42a5ccecb4","target":"graph","created_at":"2026-05-18T00:46:55Z","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":"GeMn granular thin films are a unique and promising material for spintronics applications due to large positive magnetoresistance (MR). Previous studies on GeMn have suggested that the large MR is related to nanospinodal decomposition of GeMn into Mn-rich ferromagnetic nanoparticles and Mn-poor paramagnetic matrix. However, its microscopic origin of the MR has not been clarified yet. Here, using X-ray magnetic circular dichroism (XMCD), which is extremely sensitive to the local magnetic state of each atom, we investigate the magnetic properties of the nanoparticles and the matrix in GeMn separ","authors_text":"Atsushi Fujimori, Goro Shibata, Hiroshi Yamagami, Masaaki Tanaka, Masafumi Horio, Ryota Akiyama, Shinobu Ohya, Shoya Sakamoto, Yoshisuke Ban, Yuji Saitoh, Yukiharu Takeda, Yuki K. Wakabayashi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-06-14T09:10:05Z","title":"Origin of the large positive magnetoresistance in Ge1-xMnx granular thin films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.04263","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":"sha256:05c5e7a5c5082f11fea55ec00777f3fd83c5eae2727a49915c3a6124e0601070","target":"record","created_at":"2026-05-18T00:46:55Z","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":"ddcbdcdc74e1408fd13614f6bb355d9d7686e27a485775375b1a234ead7c64af","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-06-14T09:10:05Z","title_canon_sha256":"112876a97260f758e65c32c1281abed10c2d17cabb02b0f90a540c6cab83d07b"},"schema_version":"1.0","source":{"id":"1606.04263","kind":"arxiv","version":1}},"canonical_sha256":"4525b4c137c551c7d1c9542e1a6a12cc1f336300a28d1cb00b6289d270e92a10","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4525b4c137c551c7d1c9542e1a6a12cc1f336300a28d1cb00b6289d270e92a10","first_computed_at":"2026-05-18T00:46:55.683952Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:55.683952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d8sTf5P9KZBBlB1u9+wDlIMJKY3TA0KSfStHRT59Xdfu6F35OzQxDmQOlhH5/afxIym7K2yK0M2bScxgBJK/CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:55.684588Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.04263","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05c5e7a5c5082f11fea55ec00777f3fd83c5eae2727a49915c3a6124e0601070","sha256:95fd64b5c0ac6a53d516d2244b0d36805c651c5dee5b32ad32119f42a5ccecb4"],"state_sha256":"29f1fb5c4f1fc15a98cb8b92ed320d5a1943a388f401e9ad601e9003e704207f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aP6+B9+Hi1U5kcCJiOEJqhMUUsIuroGDFIROTRTlMqAZhuZdLv+v9tg8G8wpZ885C4dohlmBcANXrm2hGYvpDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:12:40.742789Z","bundle_sha256":"27cf084097ef61dcbccf47d3a1245de78aff6b07a8ab0d2b4bdd9f0df0168019"}}