{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:ACBMS6WQ6WXKSVV5HEKJ5F7HCH","short_pith_number":"pith:ACBMS6WQ","canonical_record":{"source":{"id":"0908.3481","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-08-24T20:00:22Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"42427a9787b773f356bffedab98e3e0fa447583d9258412bc39a02438ed092eb","abstract_canon_sha256":"a78050d9a156e1ec461be86ac8700d33e94c2fb216764438781753fee74bfaeb"},"schema_version":"1.0"},"canonical_sha256":"0082c97ad0f5aea956bd39149e97e711ed93a5ee269a6fc5e3d07507174921b7","source":{"kind":"arxiv","id":"0908.3481","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3481","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3481v1","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3481","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"pith_short_12","alias_value":"ACBMS6WQ6WXK","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"ACBMS6WQ6WXKSVV5","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"ACBMS6WQ","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:ACBMS6WQ6WXKSVV5HEKJ5F7HCH","target":"record","payload":{"canonical_record":{"source":{"id":"0908.3481","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-08-24T20:00:22Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"42427a9787b773f356bffedab98e3e0fa447583d9258412bc39a02438ed092eb","abstract_canon_sha256":"a78050d9a156e1ec461be86ac8700d33e94c2fb216764438781753fee74bfaeb"},"schema_version":"1.0"},"canonical_sha256":"0082c97ad0f5aea956bd39149e97e711ed93a5ee269a6fc5e3d07507174921b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:58.032506Z","signature_b64":"Ho4wsFkn1WOm6pSC7NoIzQNxnekNLTN1sDClRAtTlfuHvE+BIt+18PM/DWhGoWwy0GCzvs48tODUomMtZQeNAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0082c97ad0f5aea956bd39149e97e711ed93a5ee269a6fc5e3d07507174921b7","last_reissued_at":"2026-05-18T03:23:58.031848Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:58.031848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.3481","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":"2026-05-18T03:23:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iTngPaUyfFsHAvXKZBNxjRCfaH33FkqZ9wamE5urHfZQl5cmFLmYNNaECyHBNxAhuch8/0M9JnMUITW5vjKpDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T07:40:40.673000Z"},"content_sha256":"9802a634b6f96c2de83a7cc769f748cb246e9309698a0c8a0d1c2e3f9e4c34d5","schema_version":"1.0","event_id":"sha256:9802a634b6f96c2de83a7cc769f748cb246e9309698a0c8a0d1c2e3f9e4c34d5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:ACBMS6WQ6WXKSVV5HEKJ5F7HCH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Hall Phase Diagram of Second Landau-level Half-filled Bilayers: Abelian versus Non-Abelian States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"Michael R. Peterson, S. Das Sarma","submitted_at":"2009-08-24T20:00:22Z","abstract_excerpt":"The quantum Hall phase diagram of the half-filled bilayer system in the second Landau level is studied as a function of tunneling and layer separation using exact diagonalization. We make the striking prediction that bilayer structures would manifest two distinct branches of incompressible fractional quantum Hall effect (FQHE) corresponding to the Abelian 331 state (at moderate to low tunneling and large layer separation) and the non-Abelian Pfaffian state (at large tunneling and small layer separation). The observation of these two FQHE branches and the quantum phase transition between them w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3481","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":"2026-05-18T03:23:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kWMgfT5KPT58UURcgNQs2fxSN3KgNUa7ZS4bpbSzEVnpWh5a+ftQOPfppXs6jXburwz1Z12GPFOMSvkqAEv3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T07:40:40.673631Z"},"content_sha256":"bdddd21726e3db261f8fd50317e25f012f0afb71f98cf128914f29e673e6be87","schema_version":"1.0","event_id":"sha256:bdddd21726e3db261f8fd50317e25f012f0afb71f98cf128914f29e673e6be87"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ACBMS6WQ6WXKSVV5HEKJ5F7HCH/bundle.json","state_url":"https://pith.science/pith/ACBMS6WQ6WXKSVV5HEKJ5F7HCH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ACBMS6WQ6WXKSVV5HEKJ5F7HCH/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":"2026-06-01T07:40:40Z","links":{"resolver":"https://pith.science/pith/ACBMS6WQ6WXKSVV5HEKJ5F7HCH","bundle":"https://pith.science/pith/ACBMS6WQ6WXKSVV5HEKJ5F7HCH/bundle.json","state":"https://pith.science/pith/ACBMS6WQ6WXKSVV5HEKJ5F7HCH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ACBMS6WQ6WXKSVV5HEKJ5F7HCH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:ACBMS6WQ6WXKSVV5HEKJ5F7HCH","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":"a78050d9a156e1ec461be86ac8700d33e94c2fb216764438781753fee74bfaeb","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-08-24T20:00:22Z","title_canon_sha256":"42427a9787b773f356bffedab98e3e0fa447583d9258412bc39a02438ed092eb"},"schema_version":"1.0","source":{"id":"0908.3481","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.3481","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"arxiv_version","alias_value":"0908.3481v1","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.3481","created_at":"2026-05-18T03:23:58Z"},{"alias_kind":"pith_short_12","alias_value":"ACBMS6WQ6WXK","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"ACBMS6WQ6WXKSVV5","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"ACBMS6WQ","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:bdddd21726e3db261f8fd50317e25f012f0afb71f98cf128914f29e673e6be87","target":"graph","created_at":"2026-05-18T03:23:58Z","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 quantum Hall phase diagram of the half-filled bilayer system in the second Landau level is studied as a function of tunneling and layer separation using exact diagonalization. We make the striking prediction that bilayer structures would manifest two distinct branches of incompressible fractional quantum Hall effect (FQHE) corresponding to the Abelian 331 state (at moderate to low tunneling and large layer separation) and the non-Abelian Pfaffian state (at large tunneling and small layer separation). The observation of these two FQHE branches and the quantum phase transition between them w","authors_text":"Michael R. Peterson, S. Das Sarma","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-08-24T20:00:22Z","title":"Quantum Hall Phase Diagram of Second Landau-level Half-filled Bilayers: Abelian versus Non-Abelian States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.3481","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":"sha256:9802a634b6f96c2de83a7cc769f748cb246e9309698a0c8a0d1c2e3f9e4c34d5","target":"record","created_at":"2026-05-18T03:23:58Z","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":"a78050d9a156e1ec461be86ac8700d33e94c2fb216764438781753fee74bfaeb","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-08-24T20:00:22Z","title_canon_sha256":"42427a9787b773f356bffedab98e3e0fa447583d9258412bc39a02438ed092eb"},"schema_version":"1.0","source":{"id":"0908.3481","kind":"arxiv","version":1}},"canonical_sha256":"0082c97ad0f5aea956bd39149e97e711ed93a5ee269a6fc5e3d07507174921b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0082c97ad0f5aea956bd39149e97e711ed93a5ee269a6fc5e3d07507174921b7","first_computed_at":"2026-05-18T03:23:58.031848Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:58.031848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ho4wsFkn1WOm6pSC7NoIzQNxnekNLTN1sDClRAtTlfuHvE+BIt+18PM/DWhGoWwy0GCzvs48tODUomMtZQeNAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:58.032506Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.3481","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9802a634b6f96c2de83a7cc769f748cb246e9309698a0c8a0d1c2e3f9e4c34d5","sha256:bdddd21726e3db261f8fd50317e25f012f0afb71f98cf128914f29e673e6be87"],"state_sha256":"66ff9e6e9ee2c8ac97606959afa6f9382f1deabf64f15bc79e3079cd75b57f80"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gmmWiLPr8OZTwAfAI+M5AQ0mEu3aHHXKCZJYeStbIL7ds68WQ8wrNXlHvVl/wX/14oKXaBwaUSzXXsqGoLusDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T07:40:40.675801Z","bundle_sha256":"2c0d1d9c82acb371f5972b036ac5aee3cc833381368312ee6050914fd7fa0ef3"}}