{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:NPQXAREPBQDZO2Z4ETYE6ATAZH","short_pith_number":"pith:NPQXAREP","canonical_record":{"source":{"id":"1705.11117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-31T14:42:01Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"28b0d74734536a0b280e80d5e9387ef6350458c50c47bcf6970a48d9998ff9dd","abstract_canon_sha256":"e8117d3f6aeb62edab6f495badf778f5bbc1e0cdfc5af649285888fa83fb6ff8"},"schema_version":"1.0"},"canonical_sha256":"6be170448f0c07976b3c24f04f0260c9fcc4551b66f7d0b1061519c889a571f0","source":{"kind":"arxiv","id":"1705.11117","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.11117","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"arxiv_version","alias_value":"1705.11117v1","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.11117","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"pith_short_12","alias_value":"NPQXAREPBQDZ","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NPQXAREPBQDZO2Z4","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NPQXAREP","created_at":"2026-05-18T12:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:NPQXAREPBQDZO2Z4ETYE6ATAZH","target":"record","payload":{"canonical_record":{"source":{"id":"1705.11117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-31T14:42:01Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"28b0d74734536a0b280e80d5e9387ef6350458c50c47bcf6970a48d9998ff9dd","abstract_canon_sha256":"e8117d3f6aeb62edab6f495badf778f5bbc1e0cdfc5af649285888fa83fb6ff8"},"schema_version":"1.0"},"canonical_sha256":"6be170448f0c07976b3c24f04f0260c9fcc4551b66f7d0b1061519c889a571f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:19.231494Z","signature_b64":"AYJ/G4C4YzYq7QW+qej7aaw5sGr6ilvZf6tU8gH7gT+yclh+AW1QvWXruCAz98PNKBWONQ0YHJRNc6yEWLqnAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6be170448f0c07976b3c24f04f0260c9fcc4551b66f7d0b1061519c889a571f0","last_reissued_at":"2026-05-18T00:43:19.230703Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:19.230703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.11117","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":"2026-05-18T00:43:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zue8ze+n7MS3xHFzR1oXy/gQwDKJOyQC1NhYtBByvQ1Zovw5kmefyj7q5sxprsfBNp4YvfSghAWt3I6E7WgJCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:03:26.857454Z"},"content_sha256":"06f11648f334a90a594144f3f27b87bd7f330dd367734468adba86daa7452f68","schema_version":"1.0","event_id":"sha256:06f11648f334a90a594144f3f27b87bd7f330dd367734468adba86daa7452f68"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:NPQXAREPBQDZO2Z4ETYE6ATAZH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An On/Off Berry Phase Switch in Circular Graphene Resonators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Christopher Guti\\'errez, Daniel Walkup, Fabian D. Natterer, Fereshte Ghahari, Joaquin F. Rodriguez-Nieva, Jonathan Wyrick, Joseph A. Stroscio, Kenji Watanabe, Leonid S. Levitov, Nikolai B. Zhitenev, Takashi Taniguchi, William G. Cullen, Yue Zhao","submitted_at":"2017-05-31T14:42:01Z","abstract_excerpt":"The phase of a quantum state may not return to its original value after the system's parameters cycle around a closed path; instead, the wavefunction may acquire a measurable phase difference called the Berry phase. Berry phases typically have been accessed through interference experiments. Here, we demonstrate an unusual Berry-phase-induced spectroscopic feature: a sudden and large increase in the energy of angular-momentum states in circular graphene p-n junction resonators when a small critical magnetic field is reached. This behavior results from turning on a $\\pi$-Berry phase associated w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.11117","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":"2026-05-18T00:43:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r8RKliaDfp69B6ROkR0Y1CzZRqyTWhllPqzg1/z2/YmTr10gOE13LpIL8eNJtepQvXRI7RhdfcDgqDO07hMzCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:03:26.858175Z"},"content_sha256":"ad2927e0a19651dd85dfebf019a078e9b979c1554412397b0f20d4280b011ccd","schema_version":"1.0","event_id":"sha256:ad2927e0a19651dd85dfebf019a078e9b979c1554412397b0f20d4280b011ccd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NPQXAREPBQDZO2Z4ETYE6ATAZH/bundle.json","state_url":"https://pith.science/pith/NPQXAREPBQDZO2Z4ETYE6ATAZH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NPQXAREPBQDZO2Z4ETYE6ATAZH/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":"2026-05-28T21:03:26Z","links":{"resolver":"https://pith.science/pith/NPQXAREPBQDZO2Z4ETYE6ATAZH","bundle":"https://pith.science/pith/NPQXAREPBQDZO2Z4ETYE6ATAZH/bundle.json","state":"https://pith.science/pith/NPQXAREPBQDZO2Z4ETYE6ATAZH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NPQXAREPBQDZO2Z4ETYE6ATAZH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NPQXAREPBQDZO2Z4ETYE6ATAZH","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":"e8117d3f6aeb62edab6f495badf778f5bbc1e0cdfc5af649285888fa83fb6ff8","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-31T14:42:01Z","title_canon_sha256":"28b0d74734536a0b280e80d5e9387ef6350458c50c47bcf6970a48d9998ff9dd"},"schema_version":"1.0","source":{"id":"1705.11117","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.11117","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"arxiv_version","alias_value":"1705.11117v1","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.11117","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"pith_short_12","alias_value":"NPQXAREPBQDZ","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NPQXAREPBQDZO2Z4","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NPQXAREP","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:ad2927e0a19651dd85dfebf019a078e9b979c1554412397b0f20d4280b011ccd","target":"graph","created_at":"2026-05-18T00:43:19Z","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":"The phase of a quantum state may not return to its original value after the system's parameters cycle around a closed path; instead, the wavefunction may acquire a measurable phase difference called the Berry phase. Berry phases typically have been accessed through interference experiments. Here, we demonstrate an unusual Berry-phase-induced spectroscopic feature: a sudden and large increase in the energy of angular-momentum states in circular graphene p-n junction resonators when a small critical magnetic field is reached. This behavior results from turning on a $\\pi$-Berry phase associated w","authors_text":"Christopher Guti\\'errez, Daniel Walkup, Fabian D. Natterer, Fereshte Ghahari, Joaquin F. Rodriguez-Nieva, Jonathan Wyrick, Joseph A. Stroscio, Kenji Watanabe, Leonid S. Levitov, Nikolai B. Zhitenev, Takashi Taniguchi, William G. Cullen, Yue Zhao","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-31T14:42:01Z","title":"An On/Off Berry Phase Switch in Circular Graphene Resonators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.11117","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":"sha256:06f11648f334a90a594144f3f27b87bd7f330dd367734468adba86daa7452f68","target":"record","created_at":"2026-05-18T00:43:19Z","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":"e8117d3f6aeb62edab6f495badf778f5bbc1e0cdfc5af649285888fa83fb6ff8","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-05-31T14:42:01Z","title_canon_sha256":"28b0d74734536a0b280e80d5e9387ef6350458c50c47bcf6970a48d9998ff9dd"},"schema_version":"1.0","source":{"id":"1705.11117","kind":"arxiv","version":1}},"canonical_sha256":"6be170448f0c07976b3c24f04f0260c9fcc4551b66f7d0b1061519c889a571f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6be170448f0c07976b3c24f04f0260c9fcc4551b66f7d0b1061519c889a571f0","first_computed_at":"2026-05-18T00:43:19.230703Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:19.230703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AYJ/G4C4YzYq7QW+qej7aaw5sGr6ilvZf6tU8gH7gT+yclh+AW1QvWXruCAz98PNKBWONQ0YHJRNc6yEWLqnAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:19.231494Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.11117","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:06f11648f334a90a594144f3f27b87bd7f330dd367734468adba86daa7452f68","sha256:ad2927e0a19651dd85dfebf019a078e9b979c1554412397b0f20d4280b011ccd"],"state_sha256":"1c945d6238231ef8f7d9d34a1eca7a484a102d86d85158c4f0b079e527420cc1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eeSK7e/XWa8Bsx4xAea4s9sBClusscPrdc/W1GOg86DoPXcEpKoKcvRX+fxBeHLk1pCk9L2zwoXw5BlL2MYkDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T21:03:26.861950Z","bundle_sha256":"8963935f60a8e553d30395e2c8438940342ee7d32a985e7a4c6e4d2a75646994"}}