{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:JKGHK4X5ZA5Z7CFVE53HGBIVRT","short_pith_number":"pith:JKGHK4X5","canonical_record":{"source":{"id":"1511.05167","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-16T21:01:20Z","cross_cats_sorted":[],"title_canon_sha256":"772a72e8b5448230d609b209ef75f24c74091ac003e6690fee273ce3b2553e46","abstract_canon_sha256":"04887404f44d95436c751bbc33caee49ea05d2e5fa7f784d92031f1915519587"},"schema_version":"1.0"},"canonical_sha256":"4a8c7572fdc83b9f88b527767305158cd90030339c292a78c55c1e03c8322a27","source":{"kind":"arxiv","id":"1511.05167","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.05167","created_at":"2026-05-18T01:26:49Z"},{"alias_kind":"arxiv_version","alias_value":"1511.05167v1","created_at":"2026-05-18T01:26:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.05167","created_at":"2026-05-18T01:26:49Z"},{"alias_kind":"pith_short_12","alias_value":"JKGHK4X5ZA5Z","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JKGHK4X5ZA5Z7CFV","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JKGHK4X5","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:JKGHK4X5ZA5Z7CFVE53HGBIVRT","target":"record","payload":{"canonical_record":{"source":{"id":"1511.05167","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-16T21:01:20Z","cross_cats_sorted":[],"title_canon_sha256":"772a72e8b5448230d609b209ef75f24c74091ac003e6690fee273ce3b2553e46","abstract_canon_sha256":"04887404f44d95436c751bbc33caee49ea05d2e5fa7f784d92031f1915519587"},"schema_version":"1.0"},"canonical_sha256":"4a8c7572fdc83b9f88b527767305158cd90030339c292a78c55c1e03c8322a27","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:49.912743Z","signature_b64":"OPrliy1eFpsSiFYCqmkegAtpr1shSO+8pw6FP6DfY7pJzj8Prw5OFXIqzcUsP9hJV4ZATIaLqyZmP54G3J74Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a8c7572fdc83b9f88b527767305158cd90030339c292a78c55c1e03c8322a27","last_reissued_at":"2026-05-18T01:26:49.912059Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:49.912059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.05167","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":"2026-05-18T01:26:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lqFHB3/CLCPSyPnq7eZ9ZkOZQsdGQM8ZQKQvkBSK47T1acRygPNXbzcGhx2tMR+quOQCd4l+k/mbYm30rspUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:37:35.960647Z"},"content_sha256":"63d91eb13b6e60cfb3dd45cba1b62aa1fd5fd2d479da98ab4cbf642f3c720d17","schema_version":"1.0","event_id":"sha256:63d91eb13b6e60cfb3dd45cba1b62aa1fd5fd2d479da98ab4cbf642f3c720d17"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:JKGHK4X5ZA5Z7CFVE53HGBIVRT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Strong Transport Anisotropy in a Ge/SiGe Quantum Well in Tilted Magnetic Fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C. Morrison, M. A. Zudov, M. Myronov, Q. Shi","submitted_at":"2015-11-16T21:01:20Z","abstract_excerpt":"We report on a strong transport anisotropy in a 2D hole gas in a Ge/SiGe quantum well, which emerges only when both perpendicular and in-plane magnetic fields are present. The ratio of resistances, measured along and perpendicular to the in-plane field, can exceed $3\\times 10^4$. The anisotropy occurs in a wide range of filling factors where it is determined {\\em primarily} by the tilt angle. The lack of significant anisotropy without an in-plane field, easy tunability, and persistence to higher temperatures and filling factors set this anisotropy apart from nematic phases in GaAs/AlGaAs."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.05167","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":"2026-05-18T01:26:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SQWMw4AemYBXMr0/FbOCrW2lBQ7FXzEeSwUoGN5/4DsMGLNgFqvAKNZDHURV0NtxijBCS9k3qCQ0KJ0OpYBHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:37:35.960995Z"},"content_sha256":"9942863d15df4c762feaf11fc26393a3ac50f3162cc256cf062cc77826ee69c9","schema_version":"1.0","event_id":"sha256:9942863d15df4c762feaf11fc26393a3ac50f3162cc256cf062cc77826ee69c9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JKGHK4X5ZA5Z7CFVE53HGBIVRT/bundle.json","state_url":"https://pith.science/pith/JKGHK4X5ZA5Z7CFVE53HGBIVRT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JKGHK4X5ZA5Z7CFVE53HGBIVRT/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":"2026-06-02T10:37:35Z","links":{"resolver":"https://pith.science/pith/JKGHK4X5ZA5Z7CFVE53HGBIVRT","bundle":"https://pith.science/pith/JKGHK4X5ZA5Z7CFVE53HGBIVRT/bundle.json","state":"https://pith.science/pith/JKGHK4X5ZA5Z7CFVE53HGBIVRT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JKGHK4X5ZA5Z7CFVE53HGBIVRT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:JKGHK4X5ZA5Z7CFVE53HGBIVRT","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":"04887404f44d95436c751bbc33caee49ea05d2e5fa7f784d92031f1915519587","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-16T21:01:20Z","title_canon_sha256":"772a72e8b5448230d609b209ef75f24c74091ac003e6690fee273ce3b2553e46"},"schema_version":"1.0","source":{"id":"1511.05167","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.05167","created_at":"2026-05-18T01:26:49Z"},{"alias_kind":"arxiv_version","alias_value":"1511.05167v1","created_at":"2026-05-18T01:26:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.05167","created_at":"2026-05-18T01:26:49Z"},{"alias_kind":"pith_short_12","alias_value":"JKGHK4X5ZA5Z","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JKGHK4X5ZA5Z7CFV","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JKGHK4X5","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:9942863d15df4c762feaf11fc26393a3ac50f3162cc256cf062cc77826ee69c9","target":"graph","created_at":"2026-05-18T01:26:49Z","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 report on a strong transport anisotropy in a 2D hole gas in a Ge/SiGe quantum well, which emerges only when both perpendicular and in-plane magnetic fields are present. The ratio of resistances, measured along and perpendicular to the in-plane field, can exceed $3\\times 10^4$. The anisotropy occurs in a wide range of filling factors where it is determined {\\em primarily} by the tilt angle. The lack of significant anisotropy without an in-plane field, easy tunability, and persistence to higher temperatures and filling factors set this anisotropy apart from nematic phases in GaAs/AlGaAs.","authors_text":"C. Morrison, M. A. Zudov, M. Myronov, Q. Shi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-16T21:01:20Z","title":"Strong Transport Anisotropy in a Ge/SiGe Quantum Well in Tilted Magnetic Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.05167","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":"sha256:63d91eb13b6e60cfb3dd45cba1b62aa1fd5fd2d479da98ab4cbf642f3c720d17","target":"record","created_at":"2026-05-18T01:26:49Z","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":"04887404f44d95436c751bbc33caee49ea05d2e5fa7f784d92031f1915519587","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-11-16T21:01:20Z","title_canon_sha256":"772a72e8b5448230d609b209ef75f24c74091ac003e6690fee273ce3b2553e46"},"schema_version":"1.0","source":{"id":"1511.05167","kind":"arxiv","version":1}},"canonical_sha256":"4a8c7572fdc83b9f88b527767305158cd90030339c292a78c55c1e03c8322a27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a8c7572fdc83b9f88b527767305158cd90030339c292a78c55c1e03c8322a27","first_computed_at":"2026-05-18T01:26:49.912059Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:49.912059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OPrliy1eFpsSiFYCqmkegAtpr1shSO+8pw6FP6DfY7pJzj8Prw5OFXIqzcUsP9hJV4ZATIaLqyZmP54G3J74Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:49.912743Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.05167","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63d91eb13b6e60cfb3dd45cba1b62aa1fd5fd2d479da98ab4cbf642f3c720d17","sha256:9942863d15df4c762feaf11fc26393a3ac50f3162cc256cf062cc77826ee69c9"],"state_sha256":"1756c37efcc7fbd208e125a213e85bd6266e2d5c4ad53597dc2529a03036b202"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uo8zsTNhyOKcIbakJC/35xxnkpHwl2V0On1k65wVvJzAM9yd6mMYkuGQtQeyAzKgMKCVr8U3cWIbHqiNgXwZAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T10:37:35.963001Z","bundle_sha256":"85b999c95d8909721f4046540b8b26ecb53227629429400a0e9e2b8620bdc7b6"}}