{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:INHQXKYD6HJE44PSXHBWV4PTIM","short_pith_number":"pith:INHQXKYD","canonical_record":{"source":{"id":"0910.4631","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-24T07:50:55Z","cross_cats_sorted":[],"title_canon_sha256":"01ad2cf0eace18ae60bddb739fde3bcaacc8a1bc33c8ea3aeb3c8b313b2ac21c","abstract_canon_sha256":"a8b3b6a4e911007b19ac95d47dbdddb3491a489709b8cbaaa0d2fd2bd824b41e"},"schema_version":"1.0"},"canonical_sha256":"434f0bab03f1d24e71f2b9c36af1f34309a1560f5253e9a4d2e7733c524ca3f6","source":{"kind":"arxiv","id":"0910.4631","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4631","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4631v1","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4631","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"pith_short_12","alias_value":"INHQXKYD6HJE","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"INHQXKYD6HJE44PS","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"INHQXKYD","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:INHQXKYD6HJE44PSXHBWV4PTIM","target":"record","payload":{"canonical_record":{"source":{"id":"0910.4631","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-24T07:50:55Z","cross_cats_sorted":[],"title_canon_sha256":"01ad2cf0eace18ae60bddb739fde3bcaacc8a1bc33c8ea3aeb3c8b313b2ac21c","abstract_canon_sha256":"a8b3b6a4e911007b19ac95d47dbdddb3491a489709b8cbaaa0d2fd2bd824b41e"},"schema_version":"1.0"},"canonical_sha256":"434f0bab03f1d24e71f2b9c36af1f34309a1560f5253e9a4d2e7733c524ca3f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:11.958687Z","signature_b64":"IbVHOXO6WKoJW6gZdhPngzO73zLioLdCqOpd+nTn9Cvq2nHimZ+/WLin4lt1MZHFVvWxwGLD7c5nZZVFNeVQCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"434f0bab03f1d24e71f2b9c36af1f34309a1560f5253e9a4d2e7733c524ca3f6","last_reissued_at":"2026-05-18T02:11:11.957904Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:11.957904Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.4631","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":"2026-05-18T02:11:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"buuNW/f7GumGzTFvDe1wO/lKB1QMSdHJ/efpAnNLd6KVuz6oSxtv7aZU78oJuqnLtSyyV+3miaZXqfUTCYnZBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:04:47.046237Z"},"content_sha256":"2b5feaded7c9dc30985faee47a382404d339d65c30d32b31be0ca8c0dff9b608","schema_version":"1.0","event_id":"sha256:2b5feaded7c9dc30985faee47a382404d339d65c30d32b31be0ca8c0dff9b608"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:INHQXKYD6HJE44PSXHBWV4PTIM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Controllable Andreev retroreflection and specular Andreev reflection in a four-terminal graphene-superconductor hybrid system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Jian Wang, Qing-Feng Sun, Shu-guang Cheng, Yanxia Xing","submitted_at":"2009-10-24T07:50:55Z","abstract_excerpt":"We report the investigation of electron transport through a four-terminal graphene-superconductor hybrid system. Due to the quantum interference of the reflected holes from two graphene-superconductor interfaces with phase difference $\\theta$, it is found that the specular Andreev reflection vanishes at $\\theta=0$ while the Andreev retroreflection disappears at $\\theta=\\pi$. This means that the retroreflection and specular reflection can be easily controlled and separated in this device. In addition, due to the diffraction effect in the narrow graphene nanoribbon, the reflected hole can exit f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4631","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":"2026-05-18T02:11:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"56aRESPMh9Jt6YovMWyfwSdpRGuqm+TLGPYT0UamRv0OTq6ga7hdNziTC1VACKuJQWfG4myr7jI30mCnKid/Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:04:47.046632Z"},"content_sha256":"fb42f8d1147e87c45d27f070a24f0f1165c20812fda39cb2da78cbc48a872044","schema_version":"1.0","event_id":"sha256:fb42f8d1147e87c45d27f070a24f0f1165c20812fda39cb2da78cbc48a872044"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/INHQXKYD6HJE44PSXHBWV4PTIM/bundle.json","state_url":"https://pith.science/pith/INHQXKYD6HJE44PSXHBWV4PTIM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/INHQXKYD6HJE44PSXHBWV4PTIM/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":"2026-05-26T22:04:47Z","links":{"resolver":"https://pith.science/pith/INHQXKYD6HJE44PSXHBWV4PTIM","bundle":"https://pith.science/pith/INHQXKYD6HJE44PSXHBWV4PTIM/bundle.json","state":"https://pith.science/pith/INHQXKYD6HJE44PSXHBWV4PTIM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/INHQXKYD6HJE44PSXHBWV4PTIM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:INHQXKYD6HJE44PSXHBWV4PTIM","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":"a8b3b6a4e911007b19ac95d47dbdddb3491a489709b8cbaaa0d2fd2bd824b41e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-24T07:50:55Z","title_canon_sha256":"01ad2cf0eace18ae60bddb739fde3bcaacc8a1bc33c8ea3aeb3c8b313b2ac21c"},"schema_version":"1.0","source":{"id":"0910.4631","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4631","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4631v1","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4631","created_at":"2026-05-18T02:11:11Z"},{"alias_kind":"pith_short_12","alias_value":"INHQXKYD6HJE","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"INHQXKYD6HJE44PS","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"INHQXKYD","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:fb42f8d1147e87c45d27f070a24f0f1165c20812fda39cb2da78cbc48a872044","target":"graph","created_at":"2026-05-18T02:11:11Z","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 the investigation of electron transport through a four-terminal graphene-superconductor hybrid system. Due to the quantum interference of the reflected holes from two graphene-superconductor interfaces with phase difference $\\theta$, it is found that the specular Andreev reflection vanishes at $\\theta=0$ while the Andreev retroreflection disappears at $\\theta=\\pi$. This means that the retroreflection and specular reflection can be easily controlled and separated in this device. In addition, due to the diffraction effect in the narrow graphene nanoribbon, the reflected hole can exit f","authors_text":"Jian Wang, Qing-Feng Sun, Shu-guang Cheng, Yanxia Xing","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-24T07:50:55Z","title":"Controllable Andreev retroreflection and specular Andreev reflection in a four-terminal graphene-superconductor hybrid system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4631","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":"sha256:2b5feaded7c9dc30985faee47a382404d339d65c30d32b31be0ca8c0dff9b608","target":"record","created_at":"2026-05-18T02:11:11Z","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":"a8b3b6a4e911007b19ac95d47dbdddb3491a489709b8cbaaa0d2fd2bd824b41e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-24T07:50:55Z","title_canon_sha256":"01ad2cf0eace18ae60bddb739fde3bcaacc8a1bc33c8ea3aeb3c8b313b2ac21c"},"schema_version":"1.0","source":{"id":"0910.4631","kind":"arxiv","version":1}},"canonical_sha256":"434f0bab03f1d24e71f2b9c36af1f34309a1560f5253e9a4d2e7733c524ca3f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"434f0bab03f1d24e71f2b9c36af1f34309a1560f5253e9a4d2e7733c524ca3f6","first_computed_at":"2026-05-18T02:11:11.957904Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:11.957904Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IbVHOXO6WKoJW6gZdhPngzO73zLioLdCqOpd+nTn9Cvq2nHimZ+/WLin4lt1MZHFVvWxwGLD7c5nZZVFNeVQCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:11.958687Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.4631","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b5feaded7c9dc30985faee47a382404d339d65c30d32b31be0ca8c0dff9b608","sha256:fb42f8d1147e87c45d27f070a24f0f1165c20812fda39cb2da78cbc48a872044"],"state_sha256":"bc72a51a69ab395d2fddeca8ca645b79767ab5209161bfdaf943c02ac48c91d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KjrjcHkDPK+/vxLK+a7b4ag85au2OLg4Y9U3y9UPtVLZwe1O4ZUIZaYygJ+L8DaRB023KCxoGo7J64n6FLToAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:04:47.049365Z","bundle_sha256":"f442aa0ca3bb5cf827e9e831a53316ee581f9a6f8b4c5127f8dd5a275d3477af"}}