{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:G564CROWZRLGVMJ25A6Y5XRUUB","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":"c61c60095d8139095d6bf17446c1fb0b1bb3c125be33a93319fd782e991d7876","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-03-31T08:25:53Z","title_canon_sha256":"77d778eab991748c9fbaf0644e1df8cc49106e0b8964b5967ccc6a8d2cb67e36"},"schema_version":"1.0","source":{"id":"cond-mat/0603843","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0603843","created_at":"2026-07-04T14:53:47Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0603843v1","created_at":"2026-07-04T14:53:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0603843","created_at":"2026-07-04T14:53:47Z"},{"alias_kind":"pith_short_12","alias_value":"G564CROWZRLG","created_at":"2026-07-04T14:53:47Z"},{"alias_kind":"pith_short_16","alias_value":"G564CROWZRLGVMJ2","created_at":"2026-07-04T14:53:47Z"},{"alias_kind":"pith_short_8","alias_value":"G564CROW","created_at":"2026-07-04T14:53:47Z"}],"graph_snapshots":[{"event_id":"sha256:5ac40df2e2036f5221706c1b44c5a6ce5ecbde91fc72a38ef4fe4d6dafadd32e","target":"graph","created_at":"2026-07-04T14:53:47Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0603843/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The influence of ballistic channels superimposed on tunneling conduction channels in magnetic tunnel junctions has been studied in a manganese oxide based tunneling device. Inversion of magnetoresistance has been observed in magnetic tunnel junctions with pinhole nanocontacts over a broad temperature range. The tunnel magnetoresistance undergoes a change of sign at higher bias and temperature. This phenomenon is attributed to the parallel conduction channels consisting of spin conserved ballistic transport through the pinhole contact where the transmission probability is close to unity and spi","authors_text":"I. Das, Soumik Mukhopadhyay","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-03-31T08:25:53Z","title":"Pinhole and tunneling conduction channels superimposed in magnetic tunnel junction: results and inferences"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0603843","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:c755fccf3c7ca33663f9ad3d9e4e383b5057c690c3556cbe462b74dd6cd7c6e0","target":"record","created_at":"2026-07-04T14:53:47Z","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":"c61c60095d8139095d6bf17446c1fb0b1bb3c125be33a93319fd782e991d7876","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-03-31T08:25:53Z","title_canon_sha256":"77d778eab991748c9fbaf0644e1df8cc49106e0b8964b5967ccc6a8d2cb67e36"},"schema_version":"1.0","source":{"id":"cond-mat/0603843","kind":"arxiv","version":1}},"canonical_sha256":"377dc145d6cc566ab13ae83d8ede34a076ab36eddc91b6c8f4f460770ed12d2a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"377dc145d6cc566ab13ae83d8ede34a076ab36eddc91b6c8f4f460770ed12d2a","first_computed_at":"2026-07-04T14:53:47.406628Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:53:47.406628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZiFaHCeBJpguV6QLA20L7Wk7kynJ6dsHQNEtf0JrW3mW9I6NWFO3CsYDPtY+n3MDmEHFM6shmQEUoGZbAwmQCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T14:53:47.406993Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0603843","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c755fccf3c7ca33663f9ad3d9e4e383b5057c690c3556cbe462b74dd6cd7c6e0","sha256:5ac40df2e2036f5221706c1b44c5a6ce5ecbde91fc72a38ef4fe4d6dafadd32e"],"state_sha256":"f4130eb0f3120755c88204909bac052a16366de4b082307a781b103b7064d835"}