{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:5YPC35NXJPGSO4MMO2DLC3Z7CG","short_pith_number":"pith:5YPC35NX","canonical_record":{"source":{"id":"1401.1897","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-09T05:41:40Z","cross_cats_sorted":[],"title_canon_sha256":"a74ba780dd8c8be5c26e9c374d6122869fc6863022012c97b73c12a95fc8c627","abstract_canon_sha256":"6b133c29c95fbd09e5fdbb53adcb4e3b2a01ecf919f64304745c7639b1416a71"},"schema_version":"1.0"},"canonical_sha256":"ee1e2df5b74bcd27718c7686b16f3f1188ebea95e311b08756e0a39cdf0d435c","source":{"kind":"arxiv","id":"1401.1897","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.1897","created_at":"2026-05-18T03:02:56Z"},{"alias_kind":"arxiv_version","alias_value":"1401.1897v1","created_at":"2026-05-18T03:02:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.1897","created_at":"2026-05-18T03:02:56Z"},{"alias_kind":"pith_short_12","alias_value":"5YPC35NXJPGS","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"5YPC35NXJPGSO4MM","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"5YPC35NX","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:5YPC35NXJPGSO4MMO2DLC3Z7CG","target":"record","payload":{"canonical_record":{"source":{"id":"1401.1897","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-09T05:41:40Z","cross_cats_sorted":[],"title_canon_sha256":"a74ba780dd8c8be5c26e9c374d6122869fc6863022012c97b73c12a95fc8c627","abstract_canon_sha256":"6b133c29c95fbd09e5fdbb53adcb4e3b2a01ecf919f64304745c7639b1416a71"},"schema_version":"1.0"},"canonical_sha256":"ee1e2df5b74bcd27718c7686b16f3f1188ebea95e311b08756e0a39cdf0d435c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:56.344694Z","signature_b64":"HLFe/O+0seAwGYv+s5nGhpIdcCIdCFSIaQAXDqtdOI67FvYpgSOqzMFAldvzU1Jkd42DyolowwP5p1BACONoCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee1e2df5b74bcd27718c7686b16f3f1188ebea95e311b08756e0a39cdf0d435c","last_reissued_at":"2026-05-18T03:02:56.343963Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:56.343963Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.1897","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":"2026-05-18T03:02:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0tXfrx9nFIo7y1QIQswG+YHudy4r1OPtE7/Ol7u/v032QryjLScJt5lNXGOHl7yxPoGBle4W4v3EJlkJmvHaDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:23:20.358061Z"},"content_sha256":"154302048eb05af63b6a9dbd5d78c1f9db0e71b15d215c8ee2b6f58e3b5fa371","schema_version":"1.0","event_id":"sha256:154302048eb05af63b6a9dbd5d78c1f9db0e71b15d215c8ee2b6f58e3b5fa371"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:5YPC35NXJPGSO4MMO2DLC3Z7CG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fabrication of Electronic Fabry-Perot Interferometer in the Quantum Hall Regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Ken West, Kirk Baldwin, Leo Ocola, Loren Pfeiffer, Sanghun An, Simas Glinskis, Woowon Kang","submitted_at":"2014-01-09T05:41:40Z","abstract_excerpt":"A fabrication method for electronic quantum Hall Fabry-Perot interferometers (FPI) is presented. Our method uses a combination of e-beam lithography and low-damage dry-etching to produce the FPIs and minimize the excitation of charged traps or deposition of impurities near the device. Optimization of the quantum point contacts (QPC) is achieved via systematically varying the etch depth and monitoring the device resistance between segmented etching sessions. The etching is stopped when a desired value of resistance is obtained. Finer control of interference trajectories is obtained by the gate "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.1897","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":"2026-05-18T03:02:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oWVf6wQspjnbIbCYzSqpWgdr7MZGx01T+Ngzcc5E2pHrF8aHJMXHt8uzvnRLzos//bq1SmEASStTy++EfjDiDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:23:20.358698Z"},"content_sha256":"fd5672700af6fd5d8b4125294f5248c3b87c77290c60d530d995677dbc7487eb","schema_version":"1.0","event_id":"sha256:fd5672700af6fd5d8b4125294f5248c3b87c77290c60d530d995677dbc7487eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5YPC35NXJPGSO4MMO2DLC3Z7CG/bundle.json","state_url":"https://pith.science/pith/5YPC35NXJPGSO4MMO2DLC3Z7CG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5YPC35NXJPGSO4MMO2DLC3Z7CG/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":"2026-05-25T17:23:20Z","links":{"resolver":"https://pith.science/pith/5YPC35NXJPGSO4MMO2DLC3Z7CG","bundle":"https://pith.science/pith/5YPC35NXJPGSO4MMO2DLC3Z7CG/bundle.json","state":"https://pith.science/pith/5YPC35NXJPGSO4MMO2DLC3Z7CG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5YPC35NXJPGSO4MMO2DLC3Z7CG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:5YPC35NXJPGSO4MMO2DLC3Z7CG","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":"6b133c29c95fbd09e5fdbb53adcb4e3b2a01ecf919f64304745c7639b1416a71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-09T05:41:40Z","title_canon_sha256":"a74ba780dd8c8be5c26e9c374d6122869fc6863022012c97b73c12a95fc8c627"},"schema_version":"1.0","source":{"id":"1401.1897","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.1897","created_at":"2026-05-18T03:02:56Z"},{"alias_kind":"arxiv_version","alias_value":"1401.1897v1","created_at":"2026-05-18T03:02:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.1897","created_at":"2026-05-18T03:02:56Z"},{"alias_kind":"pith_short_12","alias_value":"5YPC35NXJPGS","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"5YPC35NXJPGSO4MM","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"5YPC35NX","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:fd5672700af6fd5d8b4125294f5248c3b87c77290c60d530d995677dbc7487eb","target":"graph","created_at":"2026-05-18T03:02:56Z","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":"A fabrication method for electronic quantum Hall Fabry-Perot interferometers (FPI) is presented. Our method uses a combination of e-beam lithography and low-damage dry-etching to produce the FPIs and minimize the excitation of charged traps or deposition of impurities near the device. Optimization of the quantum point contacts (QPC) is achieved via systematically varying the etch depth and monitoring the device resistance between segmented etching sessions. The etching is stopped when a desired value of resistance is obtained. Finer control of interference trajectories is obtained by the gate ","authors_text":"Ken West, Kirk Baldwin, Leo Ocola, Loren Pfeiffer, Sanghun An, Simas Glinskis, Woowon Kang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-09T05:41:40Z","title":"Fabrication of Electronic Fabry-Perot Interferometer in the Quantum Hall Regime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.1897","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":"sha256:154302048eb05af63b6a9dbd5d78c1f9db0e71b15d215c8ee2b6f58e3b5fa371","target":"record","created_at":"2026-05-18T03:02:56Z","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":"6b133c29c95fbd09e5fdbb53adcb4e3b2a01ecf919f64304745c7639b1416a71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-01-09T05:41:40Z","title_canon_sha256":"a74ba780dd8c8be5c26e9c374d6122869fc6863022012c97b73c12a95fc8c627"},"schema_version":"1.0","source":{"id":"1401.1897","kind":"arxiv","version":1}},"canonical_sha256":"ee1e2df5b74bcd27718c7686b16f3f1188ebea95e311b08756e0a39cdf0d435c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee1e2df5b74bcd27718c7686b16f3f1188ebea95e311b08756e0a39cdf0d435c","first_computed_at":"2026-05-18T03:02:56.343963Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:56.343963Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HLFe/O+0seAwGYv+s5nGhpIdcCIdCFSIaQAXDqtdOI67FvYpgSOqzMFAldvzU1Jkd42DyolowwP5p1BACONoCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:56.344694Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.1897","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:154302048eb05af63b6a9dbd5d78c1f9db0e71b15d215c8ee2b6f58e3b5fa371","sha256:fd5672700af6fd5d8b4125294f5248c3b87c77290c60d530d995677dbc7487eb"],"state_sha256":"1f083c50033dc1b51f5acebc850b2efd8823987a11ef2c21d34f25f3c1435ab3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cf+2tq7IF4xYKI65hrUxtl9cfgwjws2hITDFNQ1DLT9QmEop6xYwHIChBo8HTi4OWHmbCWU138lnmpScm2PMAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:23:20.362232Z","bundle_sha256":"f77f540dfa4c4737f4658a0f8dd3d95c3f7a790fbe4e4e942c0055fb52401978"}}