{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:F7TJMLHAVUWINYQ23PGN2PEAFX","short_pith_number":"pith:F7TJMLHA","canonical_record":{"source":{"id":"1802.02167","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-02-06T19:01:25Z","cross_cats_sorted":[],"title_canon_sha256":"88cc0ea817d613b8ccdaa26b350bb4492b9896fb6f69bc9656db4482db562439","abstract_canon_sha256":"03e0b6d8e2bb48d031972383a57de90a69d72955a3f8ee8b735ec53ba6ca7b86"},"schema_version":"1.0"},"canonical_sha256":"2fe6962ce0ad2c86e21adbccdd3c802dc0eaf20d8779dfa4decd6566b30ca319","source":{"kind":"arxiv","id":"1802.02167","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.02167","created_at":"2026-05-18T00:04:13Z"},{"alias_kind":"arxiv_version","alias_value":"1802.02167v2","created_at":"2026-05-18T00:04:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.02167","created_at":"2026-05-18T00:04:13Z"},{"alias_kind":"pith_short_12","alias_value":"F7TJMLHAVUWI","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"F7TJMLHAVUWINYQ2","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"F7TJMLHA","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:F7TJMLHAVUWINYQ23PGN2PEAFX","target":"record","payload":{"canonical_record":{"source":{"id":"1802.02167","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-02-06T19:01:25Z","cross_cats_sorted":[],"title_canon_sha256":"88cc0ea817d613b8ccdaa26b350bb4492b9896fb6f69bc9656db4482db562439","abstract_canon_sha256":"03e0b6d8e2bb48d031972383a57de90a69d72955a3f8ee8b735ec53ba6ca7b86"},"schema_version":"1.0"},"canonical_sha256":"2fe6962ce0ad2c86e21adbccdd3c802dc0eaf20d8779dfa4decd6566b30ca319","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:13.310120Z","signature_b64":"FfYug9GfwkeBcgdL4ur63ojU/QtQLef+wP5dSGJt8xZnib9UVnBk5ZIiiuvvVY1iB4/MiWch3FYEuk/FsvBYAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2fe6962ce0ad2c86e21adbccdd3c802dc0eaf20d8779dfa4decd6566b30ca319","last_reissued_at":"2026-05-18T00:04:13.309357Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:13.309357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.02167","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:04:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5POc07cyW0vaJJNBos0Jw94Nw2fjgCTKYP+PYDCYZvCut4a02cf//mxPaETmfp4wi/ZbiG1O6uX+1vo04B8UAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T22:13:33.625798Z"},"content_sha256":"96798051eb099419510bf691b5463620a0a3e52a59de6e356b53d0af0118ed90","schema_version":"1.0","event_id":"sha256:96798051eb099419510bf691b5463620a0a3e52a59de6e356b53d0af0118ed90"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:F7TJMLHAVUWINYQ23PGN2PEAFX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Valley Stoner Instability of the Composite Fermi Sea","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"D. N. Sheng, Inti Sodemann, Liang Fu, Zheng Zhu","submitted_at":"2018-02-06T19:01:25Z","abstract_excerpt":"We study two-component electrons in the lowest Landau level at total filling factor $\\nu _T=1/2$ with anisotropic mass tensors and principal axes rotated by $\\pi/2$ as realized in Aluminum Arsenide (AlAs) quantum wells. Combining exact diagonalization and the density matrix renormalization group we demonstrate that the system undergoes a quantum phase transition from a gapless state in which both flavors are equally populated to another gapless state in which all the electrons spontaneously polarize into a single flavor beyond a critical mass anisotropy of {\\bf $m_x/m_y \\sim 7$}. We propose th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.02167","kind":"arxiv","version":2},"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":"2026-05-18T00:04:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mbddKraGbgfO23FBA1dS1jLU+QWU0GgJaLCrnuGxdhaADz9Mtsbqj7hhuxSQb7mmPhoXjfL/14mYaOe5RRLjBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T22:13:33.626546Z"},"content_sha256":"e28f281d7e6414d66ceccdc38e7b95fd4e466ec03319333fe0739cc79b7ce334","schema_version":"1.0","event_id":"sha256:e28f281d7e6414d66ceccdc38e7b95fd4e466ec03319333fe0739cc79b7ce334"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F7TJMLHAVUWINYQ23PGN2PEAFX/bundle.json","state_url":"https://pith.science/pith/F7TJMLHAVUWINYQ23PGN2PEAFX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F7TJMLHAVUWINYQ23PGN2PEAFX/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":"2026-05-21T22:13:33Z","links":{"resolver":"https://pith.science/pith/F7TJMLHAVUWINYQ23PGN2PEAFX","bundle":"https://pith.science/pith/F7TJMLHAVUWINYQ23PGN2PEAFX/bundle.json","state":"https://pith.science/pith/F7TJMLHAVUWINYQ23PGN2PEAFX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F7TJMLHAVUWINYQ23PGN2PEAFX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:F7TJMLHAVUWINYQ23PGN2PEAFX","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":"03e0b6d8e2bb48d031972383a57de90a69d72955a3f8ee8b735ec53ba6ca7b86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-02-06T19:01:25Z","title_canon_sha256":"88cc0ea817d613b8ccdaa26b350bb4492b9896fb6f69bc9656db4482db562439"},"schema_version":"1.0","source":{"id":"1802.02167","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.02167","created_at":"2026-05-18T00:04:13Z"},{"alias_kind":"arxiv_version","alias_value":"1802.02167v2","created_at":"2026-05-18T00:04:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.02167","created_at":"2026-05-18T00:04:13Z"},{"alias_kind":"pith_short_12","alias_value":"F7TJMLHAVUWI","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"F7TJMLHAVUWINYQ2","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"F7TJMLHA","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:e28f281d7e6414d66ceccdc38e7b95fd4e466ec03319333fe0739cc79b7ce334","target":"graph","created_at":"2026-05-18T00:04:13Z","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 study two-component electrons in the lowest Landau level at total filling factor $\\nu _T=1/2$ with anisotropic mass tensors and principal axes rotated by $\\pi/2$ as realized in Aluminum Arsenide (AlAs) quantum wells. Combining exact diagonalization and the density matrix renormalization group we demonstrate that the system undergoes a quantum phase transition from a gapless state in which both flavors are equally populated to another gapless state in which all the electrons spontaneously polarize into a single flavor beyond a critical mass anisotropy of {\\bf $m_x/m_y \\sim 7$}. We propose th","authors_text":"D. N. Sheng, Inti Sodemann, Liang Fu, Zheng Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-02-06T19:01:25Z","title":"Valley Stoner Instability of the Composite Fermi Sea"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.02167","kind":"arxiv","version":2},"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":"sha256:96798051eb099419510bf691b5463620a0a3e52a59de6e356b53d0af0118ed90","target":"record","created_at":"2026-05-18T00:04:13Z","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":"03e0b6d8e2bb48d031972383a57de90a69d72955a3f8ee8b735ec53ba6ca7b86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-02-06T19:01:25Z","title_canon_sha256":"88cc0ea817d613b8ccdaa26b350bb4492b9896fb6f69bc9656db4482db562439"},"schema_version":"1.0","source":{"id":"1802.02167","kind":"arxiv","version":2}},"canonical_sha256":"2fe6962ce0ad2c86e21adbccdd3c802dc0eaf20d8779dfa4decd6566b30ca319","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2fe6962ce0ad2c86e21adbccdd3c802dc0eaf20d8779dfa4decd6566b30ca319","first_computed_at":"2026-05-18T00:04:13.309357Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:13.309357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FfYug9GfwkeBcgdL4ur63ojU/QtQLef+wP5dSGJt8xZnib9UVnBk5ZIiiuvvVY1iB4/MiWch3FYEuk/FsvBYAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:13.310120Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.02167","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96798051eb099419510bf691b5463620a0a3e52a59de6e356b53d0af0118ed90","sha256:e28f281d7e6414d66ceccdc38e7b95fd4e466ec03319333fe0739cc79b7ce334"],"state_sha256":"cbac0b2b5ada6d7f0fdd805b17263879300082125d69c0a4d5a75e793f4ba689"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HUG29owCHUrMXOHqpiGPmAiJfkfd+hAbe8QlDnPf2vDcuoSixu+PIx+ObD3MDIBMlzWQY7yjBhUmduIINMRwBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T22:13:33.631278Z","bundle_sha256":"bdbd3ba1288c92e067c9c53e9da86eb7bfe2dd07f6581042a7c96b1428f957bb"}}