{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:A7IFO7JVJ4QIGUV6SYQT27BMLX","short_pith_number":"pith:A7IFO7JV","canonical_record":{"source":{"id":"1302.6304","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-26T03:44:36Z","cross_cats_sorted":[],"title_canon_sha256":"476e5ed7324be76541c27973f728a1e8f55eb8c5ec231335b8b7c46b81074def","abstract_canon_sha256":"c418ee221c1dc93b9140ef8b5325194e90a67adc290ab19dcc81dc27fff063bd"},"schema_version":"1.0"},"canonical_sha256":"07d0577d354f208352be96213d7c2c5de37232766bb155bd32e0621e49bfdf34","source":{"kind":"arxiv","id":"1302.6304","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6304","created_at":"2026-05-18T02:42:15Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6304v1","created_at":"2026-05-18T02:42:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6304","created_at":"2026-05-18T02:42:15Z"},{"alias_kind":"pith_short_12","alias_value":"A7IFO7JVJ4QI","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"A7IFO7JVJ4QIGUV6","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"A7IFO7JV","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:A7IFO7JVJ4QIGUV6SYQT27BMLX","target":"record","payload":{"canonical_record":{"source":{"id":"1302.6304","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-26T03:44:36Z","cross_cats_sorted":[],"title_canon_sha256":"476e5ed7324be76541c27973f728a1e8f55eb8c5ec231335b8b7c46b81074def","abstract_canon_sha256":"c418ee221c1dc93b9140ef8b5325194e90a67adc290ab19dcc81dc27fff063bd"},"schema_version":"1.0"},"canonical_sha256":"07d0577d354f208352be96213d7c2c5de37232766bb155bd32e0621e49bfdf34","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:15.116477Z","signature_b64":"bFbeGR6XwoTmJIajPyhX5KcKQYiYOnKo6HtM/1nSC7ekFF0H2SU7AovLyEfePqqO67CzTpbMNUM3Ie09X4H+Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07d0577d354f208352be96213d7c2c5de37232766bb155bd32e0621e49bfdf34","last_reissued_at":"2026-05-18T02:42:15.115644Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:15.115644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.6304","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":"2026-05-18T02:42:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EsP4GQ07wZ4FMe2bxhfqDZJodo2hukWvHoIDVMKFO2fsbBgh6U2NncKQbB/QnzSAE2XQYE7BdWsztCXFhocrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:22:15.368670Z"},"content_sha256":"4d4b24fd8de74b65134f1ea4a9a46d185c1052e4154ec43752d717ae74002355","schema_version":"1.0","event_id":"sha256:4d4b24fd8de74b65134f1ea4a9a46d185c1052e4154ec43752d717ae74002355"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:A7IFO7JVJ4QIGUV6SYQT27BMLX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for a $\\nu=5/2$ Fractional Quantum Hall Nematic State in Parallel Magnetic Fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"K.W. Baldwin, K.W. West, L.N. Pfeiffer, M. Shayegan, S. Hasdemir, Yang Liu","submitted_at":"2013-02-26T03:44:36Z","abstract_excerpt":"We report magneto-transport measurements for the fractional quantum Hall state at filling factor $\\nu=$ 5/2 as a function of applied parallel magnetic field ($B_{||}$). As $B_{||}$ is increased, the 5/2 state becomes increasingly anisotropic, with the in-plane resistance along the direction of $B_{||}$ becoming more than 30 times larger than in the perpendicular direction. Remarkably, the resistance anisotropy ratio remains constant over a relatively large temperature range, yielding an energy gap which is the same for both directions. Our data are qualitatively consistent with a fractional qu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6304","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":"2026-05-18T02:42:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dlg/u1wYdfzpYR+X8KqUFTspAG81JLYGuXGdzy2ceQa9F3fewdueRao1cRktisnHn5iZjWQ3aoX/JBm8CnZPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:22:15.369203Z"},"content_sha256":"33c0e16be41ff7f246a35400db8776ccde7f7a24dc665c15db05961215662930","schema_version":"1.0","event_id":"sha256:33c0e16be41ff7f246a35400db8776ccde7f7a24dc665c15db05961215662930"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A7IFO7JVJ4QIGUV6SYQT27BMLX/bundle.json","state_url":"https://pith.science/pith/A7IFO7JVJ4QIGUV6SYQT27BMLX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A7IFO7JVJ4QIGUV6SYQT27BMLX/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":"2026-05-31T03:22:15Z","links":{"resolver":"https://pith.science/pith/A7IFO7JVJ4QIGUV6SYQT27BMLX","bundle":"https://pith.science/pith/A7IFO7JVJ4QIGUV6SYQT27BMLX/bundle.json","state":"https://pith.science/pith/A7IFO7JVJ4QIGUV6SYQT27BMLX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A7IFO7JVJ4QIGUV6SYQT27BMLX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:A7IFO7JVJ4QIGUV6SYQT27BMLX","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":"c418ee221c1dc93b9140ef8b5325194e90a67adc290ab19dcc81dc27fff063bd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-26T03:44:36Z","title_canon_sha256":"476e5ed7324be76541c27973f728a1e8f55eb8c5ec231335b8b7c46b81074def"},"schema_version":"1.0","source":{"id":"1302.6304","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6304","created_at":"2026-05-18T02:42:15Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6304v1","created_at":"2026-05-18T02:42:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6304","created_at":"2026-05-18T02:42:15Z"},{"alias_kind":"pith_short_12","alias_value":"A7IFO7JVJ4QI","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"A7IFO7JVJ4QIGUV6","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"A7IFO7JV","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:33c0e16be41ff7f246a35400db8776ccde7f7a24dc665c15db05961215662930","target":"graph","created_at":"2026-05-18T02:42:15Z","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 magneto-transport measurements for the fractional quantum Hall state at filling factor $\\nu=$ 5/2 as a function of applied parallel magnetic field ($B_{||}$). As $B_{||}$ is increased, the 5/2 state becomes increasingly anisotropic, with the in-plane resistance along the direction of $B_{||}$ becoming more than 30 times larger than in the perpendicular direction. Remarkably, the resistance anisotropy ratio remains constant over a relatively large temperature range, yielding an energy gap which is the same for both directions. Our data are qualitatively consistent with a fractional qu","authors_text":"K.W. Baldwin, K.W. West, L.N. Pfeiffer, M. Shayegan, S. Hasdemir, Yang Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-26T03:44:36Z","title":"Evidence for a $\\nu=5/2$ Fractional Quantum Hall Nematic State in Parallel Magnetic Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6304","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":"sha256:4d4b24fd8de74b65134f1ea4a9a46d185c1052e4154ec43752d717ae74002355","target":"record","created_at":"2026-05-18T02:42:15Z","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":"c418ee221c1dc93b9140ef8b5325194e90a67adc290ab19dcc81dc27fff063bd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-26T03:44:36Z","title_canon_sha256":"476e5ed7324be76541c27973f728a1e8f55eb8c5ec231335b8b7c46b81074def"},"schema_version":"1.0","source":{"id":"1302.6304","kind":"arxiv","version":1}},"canonical_sha256":"07d0577d354f208352be96213d7c2c5de37232766bb155bd32e0621e49bfdf34","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07d0577d354f208352be96213d7c2c5de37232766bb155bd32e0621e49bfdf34","first_computed_at":"2026-05-18T02:42:15.115644Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:42:15.115644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bFbeGR6XwoTmJIajPyhX5KcKQYiYOnKo6HtM/1nSC7ekFF0H2SU7AovLyEfePqqO67CzTpbMNUM3Ie09X4H+Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:42:15.116477Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.6304","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d4b24fd8de74b65134f1ea4a9a46d185c1052e4154ec43752d717ae74002355","sha256:33c0e16be41ff7f246a35400db8776ccde7f7a24dc665c15db05961215662930"],"state_sha256":"b57a2f691309ac4e8b547e5ab70f3f8748c537b2eb79fc11d51bcb9206b08dbb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0YLky79s5b5qdKuuvWu26NmSdFrAGkF8n6v9aTcY48DmznpkpRBjq4FVOMeq6SWLxb8he7WpTnHx2VLAPyYKBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:22:15.372021Z","bundle_sha256":"b4039690e7596b359853877b4b836c183b120fd377f2014eb69efe092a4cabc4"}}