{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CI2RK2EOV2U55MEBHCQWMK2SPB","short_pith_number":"pith:CI2RK2EO","canonical_record":{"source":{"id":"1908.04076","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-12T10:10:56Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"aef4957680106487b3cdf301db0058061b375c2d3fcc7720cd9f4e86439277a6","abstract_canon_sha256":"e254080b612c56f64a496b6929332c24194bb24b3b1329d62081f9436358d1e9"},"schema_version":"1.0"},"canonical_sha256":"123515688eaea9deb08138a1662b5278439603ced823fb57f25632fd94822e02","source":{"kind":"arxiv","id":"1908.04076","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04076","created_at":"2026-07-04T23:53:20Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04076v1","created_at":"2026-07-04T23:53:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04076","created_at":"2026-07-04T23:53:20Z"},{"alias_kind":"pith_short_12","alias_value":"CI2RK2EOV2U5","created_at":"2026-07-04T23:53:20Z"},{"alias_kind":"pith_short_16","alias_value":"CI2RK2EOV2U55MEB","created_at":"2026-07-04T23:53:20Z"},{"alias_kind":"pith_short_8","alias_value":"CI2RK2EO","created_at":"2026-07-04T23:53:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CI2RK2EOV2U55MEBHCQWMK2SPB","target":"record","payload":{"canonical_record":{"source":{"id":"1908.04076","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-12T10:10:56Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"aef4957680106487b3cdf301db0058061b375c2d3fcc7720cd9f4e86439277a6","abstract_canon_sha256":"e254080b612c56f64a496b6929332c24194bb24b3b1329d62081f9436358d1e9"},"schema_version":"1.0"},"canonical_sha256":"123515688eaea9deb08138a1662b5278439603ced823fb57f25632fd94822e02","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:53:20.427696Z","signature_b64":"0uaMpOmLbltvdnqjCeXNonNWjzfOyojBwwMHE7oa+H9zB/vytl+0wxSZj4O7YsOFK3TJxnNa89GQrFmmsrpIDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"123515688eaea9deb08138a1662b5278439603ced823fb57f25632fd94822e02","last_reissued_at":"2026-07-04T23:53:20.427298Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:53:20.427298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.04076","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":"2026-07-04T23:53:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KgEU+y8f7FuDk9eIgY8+R3yQTwDj0vXPXid5Ky59h2NratGLud1NUu3b/hYWcpwc/EvmYm8czVU1oLwxDsWVDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T11:09:30.597576Z"},"content_sha256":"e9247371b9ef48dd002a1ea7b005863b8f9ef23ebe83cdb4b27390e7fa0faa8a","schema_version":"1.0","event_id":"sha256:e9247371b9ef48dd002a1ea7b005863b8f9ef23ebe83cdb4b27390e7fa0faa8a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CI2RK2EOV2U55MEBHCQWMK2SPB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graphene-based spinmechatronic valve","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.app-ph","authors_text":"Ali Hallal","submitted_at":"2019-08-12T10:10:56Z","abstract_excerpt":"Interlayer twist between van der Waals graphene crystals led to the discovery of superconducting and insulating states near the magic angle. In this work, we exploit this mechanical degree of freedom by twisting the graphene middle layer in a trilayer graphene spacer between two metallic lead (Magnetic and nonmagnetic). A large difference in conductance is found depending on the angle of twist between the middle layer graphene and the ones at the interface this difference, called twisting resistance, reach more than 1000% in the non-magnetic Cu case. For the magnetic Ni case, the magneto-resis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04076","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.04076/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T23:53:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"07I/SdC7YU0pQqjQ4x/MzVt6mNUWfal6w4dwagcIfy5EBgSkRhAoSkal1mcP1ZQRUjf6TifSsQP+95pi/EnuCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T11:09:30.598112Z"},"content_sha256":"67542f8c1ba097c042470305e80a1b8fc794ea3b7a781de71b6cd9607682c0e5","schema_version":"1.0","event_id":"sha256:67542f8c1ba097c042470305e80a1b8fc794ea3b7a781de71b6cd9607682c0e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CI2RK2EOV2U55MEBHCQWMK2SPB/bundle.json","state_url":"https://pith.science/pith/CI2RK2EOV2U55MEBHCQWMK2SPB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CI2RK2EOV2U55MEBHCQWMK2SPB/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":"2026-08-16T11:09:30Z","links":{"resolver":"https://pith.science/pith/CI2RK2EOV2U55MEBHCQWMK2SPB","bundle":"https://pith.science/pith/CI2RK2EOV2U55MEBHCQWMK2SPB/bundle.json","state":"https://pith.science/pith/CI2RK2EOV2U55MEBHCQWMK2SPB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CI2RK2EOV2U55MEBHCQWMK2SPB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CI2RK2EOV2U55MEBHCQWMK2SPB","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":"e254080b612c56f64a496b6929332c24194bb24b3b1329d62081f9436358d1e9","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-12T10:10:56Z","title_canon_sha256":"aef4957680106487b3cdf301db0058061b375c2d3fcc7720cd9f4e86439277a6"},"schema_version":"1.0","source":{"id":"1908.04076","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04076","created_at":"2026-07-04T23:53:20Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04076v1","created_at":"2026-07-04T23:53:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04076","created_at":"2026-07-04T23:53:20Z"},{"alias_kind":"pith_short_12","alias_value":"CI2RK2EOV2U5","created_at":"2026-07-04T23:53:20Z"},{"alias_kind":"pith_short_16","alias_value":"CI2RK2EOV2U55MEB","created_at":"2026-07-04T23:53:20Z"},{"alias_kind":"pith_short_8","alias_value":"CI2RK2EO","created_at":"2026-07-04T23:53:20Z"}],"graph_snapshots":[{"event_id":"sha256:67542f8c1ba097c042470305e80a1b8fc794ea3b7a781de71b6cd9607682c0e5","target":"graph","created_at":"2026-07-04T23:53:20Z","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/1908.04076/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Interlayer twist between van der Waals graphene crystals led to the discovery of superconducting and insulating states near the magic angle. In this work, we exploit this mechanical degree of freedom by twisting the graphene middle layer in a trilayer graphene spacer between two metallic lead (Magnetic and nonmagnetic). A large difference in conductance is found depending on the angle of twist between the middle layer graphene and the ones at the interface this difference, called twisting resistance, reach more than 1000% in the non-magnetic Cu case. For the magnetic Ni case, the magneto-resis","authors_text":"Ali Hallal","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-12T10:10:56Z","title":"Graphene-based spinmechatronic valve"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04076","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:e9247371b9ef48dd002a1ea7b005863b8f9ef23ebe83cdb4b27390e7fa0faa8a","target":"record","created_at":"2026-07-04T23:53:20Z","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":"e254080b612c56f64a496b6929332c24194bb24b3b1329d62081f9436358d1e9","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-12T10:10:56Z","title_canon_sha256":"aef4957680106487b3cdf301db0058061b375c2d3fcc7720cd9f4e86439277a6"},"schema_version":"1.0","source":{"id":"1908.04076","kind":"arxiv","version":1}},"canonical_sha256":"123515688eaea9deb08138a1662b5278439603ced823fb57f25632fd94822e02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"123515688eaea9deb08138a1662b5278439603ced823fb57f25632fd94822e02","first_computed_at":"2026-07-04T23:53:20.427298Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:53:20.427298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0uaMpOmLbltvdnqjCeXNonNWjzfOyojBwwMHE7oa+H9zB/vytl+0wxSZj4O7YsOFK3TJxnNa89GQrFmmsrpIDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:53:20.427696Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.04076","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9247371b9ef48dd002a1ea7b005863b8f9ef23ebe83cdb4b27390e7fa0faa8a","sha256:67542f8c1ba097c042470305e80a1b8fc794ea3b7a781de71b6cd9607682c0e5"],"state_sha256":"e4237f2143f6d797b93400ea90b69ef2dc1c1b9e44eb940e990a993f5bbc720e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hGj4XeM+jBeOvq4HNzAsvaACxCo5Gju1DuCbsfIhXT68PGtQ4/znSvlQXGm0OXgaFdn1DqJNkNHoDGoCOzULCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T11:09:30.602329Z","bundle_sha256":"07dd002348702790c470a821963efe818cdb062a1df9dabc433048489c1fa83f"}}