{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7U5PD6IFV3K3B4JJOWW5WVZRIB","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":"1717434a2bb59e39ca3de4adebd9f2ddedc3a5fea4768121228893e02658cc23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-07-21T20:00:01Z","title_canon_sha256":"5a3a8fca68b1d84780fc000a4dcbfb005ccc4474ca35199857c0ccf47d7754ee"},"schema_version":"1.0","source":{"id":"1607.06461","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.06461","created_at":"2026-05-18T00:31:42Z"},{"alias_kind":"arxiv_version","alias_value":"1607.06461v3","created_at":"2026-05-18T00:31:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.06461","created_at":"2026-05-18T00:31:42Z"},{"alias_kind":"pith_short_12","alias_value":"7U5PD6IFV3K3","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7U5PD6IFV3K3B4JJ","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7U5PD6IF","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:c0a3f7cb5a746c7f3b5704b8fe52b2a13792ffea26861538a01d99e3c3a22513","target":"graph","created_at":"2026-05-18T00:31:42Z","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":"Strongly interacting two dimensional electron systems (2DESs) host a complex landscape of broken symmetry states. The possible ground states are further expanded by internal degrees of freedom such as spin or valley-isospin. While direct probes of spin in 2DESs were demonstrated two decades ago, the valley quantum number has only been probed indirectly in semiconductor quantum wells, graphene mono- and bilayers, and transition-metal dichalcogenides. Here, we present the first direct experimental measurement of valley polarization in a two dimensional electron system, effected via the direct ma","authors_text":"A.A. Zibrov, A.F. Young, B.M. Hunt, C. R. Dean, J. Hone, J.I.A. Li, K. Watanabe, L. Wang, M. Zaletel, R.C. Ashoori, T. Taniguchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-07-21T20:00:01Z","title":"Direct measurement of discrete valley and orbital quantum numbers in a multicomponent quantum Hall system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.06461","kind":"arxiv","version":3},"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:dd1930b2a9cfe5f65ff01ad61aa9923cff4d6ca7d87e4733fdb6642286508912","target":"record","created_at":"2026-05-18T00:31:42Z","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":"1717434a2bb59e39ca3de4adebd9f2ddedc3a5fea4768121228893e02658cc23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-07-21T20:00:01Z","title_canon_sha256":"5a3a8fca68b1d84780fc000a4dcbfb005ccc4474ca35199857c0ccf47d7754ee"},"schema_version":"1.0","source":{"id":"1607.06461","kind":"arxiv","version":3}},"canonical_sha256":"fd3af1f905aed5b0f12975addb573140526bf04d9112d53da93ce65df6167f89","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd3af1f905aed5b0f12975addb573140526bf04d9112d53da93ce65df6167f89","first_computed_at":"2026-05-18T00:31:42.117058Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:42.117058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eSk0PQ3TmtChx0PAC5gbb/1u1Pd/qgPGinShttE1rP/zgMl0QSJBR3Cwt+gcs9xeyoKkBhjBH/Nf98OdtgpLDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:42.117709Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.06461","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd1930b2a9cfe5f65ff01ad61aa9923cff4d6ca7d87e4733fdb6642286508912","sha256:c0a3f7cb5a746c7f3b5704b8fe52b2a13792ffea26861538a01d99e3c3a22513"],"state_sha256":"4f178bcc4387d58371ec2c7e6e8bfe40286ed75fe40e13207753d6338fe78710"}