{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KAKNVRDLQUNP2YXWKZDUHMN4FB","short_pith_number":"pith:KAKNVRDL","canonical_record":{"source":{"id":"1402.3183","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-13T15:40:30Z","cross_cats_sorted":[],"title_canon_sha256":"1eb0b5685dec67c0a44617d960cb9e46b53f39768137a96312a6f585ee655996","abstract_canon_sha256":"dd51c5631885a539bc07228a7e6edfe964fa1a7760ad3d40e5cff6d030201453"},"schema_version":"1.0"},"canonical_sha256":"5014dac46b851afd62f6564743b1bc286e2de03326845c171b514d983e051928","source":{"kind":"arxiv","id":"1402.3183","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.3183","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"arxiv_version","alias_value":"1402.3183v1","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.3183","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"pith_short_12","alias_value":"KAKNVRDLQUNP","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KAKNVRDLQUNP2YXW","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KAKNVRDL","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KAKNVRDLQUNP2YXWKZDUHMN4FB","target":"record","payload":{"canonical_record":{"source":{"id":"1402.3183","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-13T15:40:30Z","cross_cats_sorted":[],"title_canon_sha256":"1eb0b5685dec67c0a44617d960cb9e46b53f39768137a96312a6f585ee655996","abstract_canon_sha256":"dd51c5631885a539bc07228a7e6edfe964fa1a7760ad3d40e5cff6d030201453"},"schema_version":"1.0"},"canonical_sha256":"5014dac46b851afd62f6564743b1bc286e2de03326845c171b514d983e051928","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:59:07.365305Z","signature_b64":"mm84vzAHYlb6UEhQ2WjX1GxSHhXZ/vpM5+iq5VuEKLujR4bh2hV62N6SpbBqbzJwJ8aPZEMivkUz9DnKxragDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5014dac46b851afd62f6564743b1bc286e2de03326845c171b514d983e051928","last_reissued_at":"2026-05-18T02:59:07.364449Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:59:07.364449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.3183","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":"2026-05-18T02:59:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"97tNOsdnRTHbEHUxKTudneg7OEBLLas4MSdBzg1AFX2rbKsdjPv8wB2rq+71Rnc6PAvVr6tuk6ncdKh5SuxwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T08:10:28.136525Z"},"content_sha256":"7188b2379e44f86cbd3405159ae8ae706c0afcda93c70360220aa253241ce7ea","schema_version":"1.0","event_id":"sha256:7188b2379e44f86cbd3405159ae8ae706c0afcda93c70360220aa253241ce7ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KAKNVRDLQUNP2YXWKZDUHMN4FB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant magnetoresistance for ensembles of ferromagnetic granules in variable range hopping conductivity regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A.V. Shumilin, V.I.Kozub","submitted_at":"2014-02-13T15:40:30Z","abstract_excerpt":"We study an effect of moderate magnetic field on variable range hopping conductivity in arrays of ferromagnetic granules separated by tunnel barriers. It is shown that the resulting magnetoresistance can be significantly larger than the standard \"giant\" magnetoresistance in Fe-N-Fe-N... multilayers. The effect is related to a gain in densities of states available for the virtual processes within the intermediate granules due to magnetic-field induced alignment of the granule magnetizations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.3183","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":"2026-05-18T02:59:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rUpx1FzbgCq79KICsP+KSuwMBVRknoN7ASKzU69BdqLbm6ryUYqrEtGcSWvJoTM6Ft6RQZGpGXgD+HC5eCr1Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T08:10:28.136875Z"},"content_sha256":"c249366da8265d4ea2e027b80aa91690c88d6147622bc1e35410bf473f79c2e1","schema_version":"1.0","event_id":"sha256:c249366da8265d4ea2e027b80aa91690c88d6147622bc1e35410bf473f79c2e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KAKNVRDLQUNP2YXWKZDUHMN4FB/bundle.json","state_url":"https://pith.science/pith/KAKNVRDLQUNP2YXWKZDUHMN4FB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KAKNVRDLQUNP2YXWKZDUHMN4FB/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":"2026-06-25T08:10:28Z","links":{"resolver":"https://pith.science/pith/KAKNVRDLQUNP2YXWKZDUHMN4FB","bundle":"https://pith.science/pith/KAKNVRDLQUNP2YXWKZDUHMN4FB/bundle.json","state":"https://pith.science/pith/KAKNVRDLQUNP2YXWKZDUHMN4FB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KAKNVRDLQUNP2YXWKZDUHMN4FB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KAKNVRDLQUNP2YXWKZDUHMN4FB","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":"dd51c5631885a539bc07228a7e6edfe964fa1a7760ad3d40e5cff6d030201453","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-13T15:40:30Z","title_canon_sha256":"1eb0b5685dec67c0a44617d960cb9e46b53f39768137a96312a6f585ee655996"},"schema_version":"1.0","source":{"id":"1402.3183","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.3183","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"arxiv_version","alias_value":"1402.3183v1","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.3183","created_at":"2026-05-18T02:59:07Z"},{"alias_kind":"pith_short_12","alias_value":"KAKNVRDLQUNP","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KAKNVRDLQUNP2YXW","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KAKNVRDL","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:c249366da8265d4ea2e027b80aa91690c88d6147622bc1e35410bf473f79c2e1","target":"graph","created_at":"2026-05-18T02:59:07Z","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":"We study an effect of moderate magnetic field on variable range hopping conductivity in arrays of ferromagnetic granules separated by tunnel barriers. It is shown that the resulting magnetoresistance can be significantly larger than the standard \"giant\" magnetoresistance in Fe-N-Fe-N... multilayers. The effect is related to a gain in densities of states available for the virtual processes within the intermediate granules due to magnetic-field induced alignment of the granule magnetizations.","authors_text":"A.V. Shumilin, V.I.Kozub","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-13T15:40:30Z","title":"Giant magnetoresistance for ensembles of ferromagnetic granules in variable range hopping conductivity regime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.3183","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":"sha256:7188b2379e44f86cbd3405159ae8ae706c0afcda93c70360220aa253241ce7ea","target":"record","created_at":"2026-05-18T02:59:07Z","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":"dd51c5631885a539bc07228a7e6edfe964fa1a7760ad3d40e5cff6d030201453","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-02-13T15:40:30Z","title_canon_sha256":"1eb0b5685dec67c0a44617d960cb9e46b53f39768137a96312a6f585ee655996"},"schema_version":"1.0","source":{"id":"1402.3183","kind":"arxiv","version":1}},"canonical_sha256":"5014dac46b851afd62f6564743b1bc286e2de03326845c171b514d983e051928","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5014dac46b851afd62f6564743b1bc286e2de03326845c171b514d983e051928","first_computed_at":"2026-05-18T02:59:07.364449Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:59:07.364449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mm84vzAHYlb6UEhQ2WjX1GxSHhXZ/vpM5+iq5VuEKLujR4bh2hV62N6SpbBqbzJwJ8aPZEMivkUz9DnKxragDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:59:07.365305Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.3183","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7188b2379e44f86cbd3405159ae8ae706c0afcda93c70360220aa253241ce7ea","sha256:c249366da8265d4ea2e027b80aa91690c88d6147622bc1e35410bf473f79c2e1"],"state_sha256":"12b9948cee7fa8ab8287a41b68bd2e3019d55d2f7086a4d53c6f618a5fe1663b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wEyRQBCcdHznfi2G/q2HMnYYxRZffN+jqRv7ZVg50VnS6s4Mqz2bs6g7GDBPelkmzfGV6i1ca125RjT3gI64DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T08:10:28.138884Z","bundle_sha256":"7c4b49d5c4e268f46e9ef9eaab810489c8124b2261d0c2468e4ff77de86f959b"}}