{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:4VIBARXZITXKYP4CSPM6BOAK7W","short_pith_number":"pith:4VIBARXZ","canonical_record":{"source":{"id":"1101.5856","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-01-31T06:33:22Z","cross_cats_sorted":[],"title_canon_sha256":"e64e757cdaab352c33c6107e7361f32148b2735098fee6802611a4630f873c3f","abstract_canon_sha256":"ea454e3a3e9c9122d622c4b809d87ee36ccb153b4b55ee4eba22c222039d7d06"},"schema_version":"1.0"},"canonical_sha256":"e5501046f944eeac3f8293d9e0b80afd97d0edc21ac251042b88e085a8e40d7c","source":{"kind":"arxiv","id":"1101.5856","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5856","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5856v1","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5856","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"pith_short_12","alias_value":"4VIBARXZITXK","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4VIBARXZITXKYP4C","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4VIBARXZ","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:4VIBARXZITXKYP4CSPM6BOAK7W","target":"record","payload":{"canonical_record":{"source":{"id":"1101.5856","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-01-31T06:33:22Z","cross_cats_sorted":[],"title_canon_sha256":"e64e757cdaab352c33c6107e7361f32148b2735098fee6802611a4630f873c3f","abstract_canon_sha256":"ea454e3a3e9c9122d622c4b809d87ee36ccb153b4b55ee4eba22c222039d7d06"},"schema_version":"1.0"},"canonical_sha256":"e5501046f944eeac3f8293d9e0b80afd97d0edc21ac251042b88e085a8e40d7c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:15:34.689609Z","signature_b64":"nndPN8c7QIJ7waDXRYATxwIAf8x8MFIIVvOvz8GzVp/P9Ukj03L7IpLo2uWGQq8yOzGx4R1+rEKF5O+8bzJ5BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5501046f944eeac3f8293d9e0b80afd97d0edc21ac251042b88e085a8e40d7c","last_reissued_at":"2026-05-18T03:15:34.688964Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:15:34.688964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.5856","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":"2026-05-18T03:15:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EaH+oh0zVvkdDJmUXfgJCB/W7yT9i8MZYnbzAmh2rLTgRT7eC8AAW0MqAIQ1eesKdOwcOezmGFbq/sva1NSuDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T17:15:38.593560Z"},"content_sha256":"32c026f245d0fb180555d7a9e6a4e84086f23f3aa0a14611321ea2fa7fe47c7a","schema_version":"1.0","event_id":"sha256:32c026f245d0fb180555d7a9e6a4e84086f23f3aa0a14611321ea2fa7fe47c7a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:4VIBARXZITXKYP4CSPM6BOAK7W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$nu=5/2$ Fractional Quantum Hall State in Low-Mobility Electron Systems: Different Roles of Disorder","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Gerardo Gamez, Koji Muraki","submitted_at":"2011-01-31T06:33:22Z","abstract_excerpt":"We report the observation of a fully developed fractional quantum Hall state at $\\nu=5/2$ in GaAs/Al$_{x}$Ga$_{1-x}$As quantum wells with mobility well below $10^{7}$\\thinspace cm$^{2}$/Vs. This is achieved either by strong illumination or reducing the barrier Al composition without illumination. We explain both results in terms of screening of the ionized remote impurity (RI) potential by nearby neutral shallow donors. Despite the dramatic improvement in the transport features, the energy gap $\\Delta_{5/2}$ is limited to a rather small value ($\\sim100$ mK), which indicates that once the RI po"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5856","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":"2026-05-18T03:15:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iZAamZ+ZnwrnsmTojAWGfWSh+cq0g+B2fg74SDFZasmgWHga94+NWfjm+3sjpHtR+FqsBqla3Wn2xWVx9GuJAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T17:15:38.594254Z"},"content_sha256":"efb49f6bba614ec631ab1b511460e2c988164c595b50a7705d8bca59be901570","schema_version":"1.0","event_id":"sha256:efb49f6bba614ec631ab1b511460e2c988164c595b50a7705d8bca59be901570"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4VIBARXZITXKYP4CSPM6BOAK7W/bundle.json","state_url":"https://pith.science/pith/4VIBARXZITXKYP4CSPM6BOAK7W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4VIBARXZITXKYP4CSPM6BOAK7W/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":"2026-06-09T17:15:38Z","links":{"resolver":"https://pith.science/pith/4VIBARXZITXKYP4CSPM6BOAK7W","bundle":"https://pith.science/pith/4VIBARXZITXKYP4CSPM6BOAK7W/bundle.json","state":"https://pith.science/pith/4VIBARXZITXKYP4CSPM6BOAK7W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4VIBARXZITXKYP4CSPM6BOAK7W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:4VIBARXZITXKYP4CSPM6BOAK7W","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":"ea454e3a3e9c9122d622c4b809d87ee36ccb153b4b55ee4eba22c222039d7d06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-01-31T06:33:22Z","title_canon_sha256":"e64e757cdaab352c33c6107e7361f32148b2735098fee6802611a4630f873c3f"},"schema_version":"1.0","source":{"id":"1101.5856","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5856","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5856v1","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5856","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"pith_short_12","alias_value":"4VIBARXZITXK","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4VIBARXZITXKYP4C","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4VIBARXZ","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:efb49f6bba614ec631ab1b511460e2c988164c595b50a7705d8bca59be901570","target":"graph","created_at":"2026-05-18T03:15:34Z","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 the observation of a fully developed fractional quantum Hall state at $\\nu=5/2$ in GaAs/Al$_{x}$Ga$_{1-x}$As quantum wells with mobility well below $10^{7}$\\thinspace cm$^{2}$/Vs. This is achieved either by strong illumination or reducing the barrier Al composition without illumination. We explain both results in terms of screening of the ionized remote impurity (RI) potential by nearby neutral shallow donors. Despite the dramatic improvement in the transport features, the energy gap $\\Delta_{5/2}$ is limited to a rather small value ($\\sim100$ mK), which indicates that once the RI po","authors_text":"Gerardo Gamez, Koji Muraki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-01-31T06:33:22Z","title":"$nu=5/2$ Fractional Quantum Hall State in Low-Mobility Electron Systems: Different Roles of Disorder"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5856","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":"sha256:32c026f245d0fb180555d7a9e6a4e84086f23f3aa0a14611321ea2fa7fe47c7a","target":"record","created_at":"2026-05-18T03:15:34Z","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":"ea454e3a3e9c9122d622c4b809d87ee36ccb153b4b55ee4eba22c222039d7d06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-01-31T06:33:22Z","title_canon_sha256":"e64e757cdaab352c33c6107e7361f32148b2735098fee6802611a4630f873c3f"},"schema_version":"1.0","source":{"id":"1101.5856","kind":"arxiv","version":1}},"canonical_sha256":"e5501046f944eeac3f8293d9e0b80afd97d0edc21ac251042b88e085a8e40d7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5501046f944eeac3f8293d9e0b80afd97d0edc21ac251042b88e085a8e40d7c","first_computed_at":"2026-05-18T03:15:34.688964Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:15:34.688964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nndPN8c7QIJ7waDXRYATxwIAf8x8MFIIVvOvz8GzVp/P9Ukj03L7IpLo2uWGQq8yOzGx4R1+rEKF5O+8bzJ5BA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:15:34.689609Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.5856","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32c026f245d0fb180555d7a9e6a4e84086f23f3aa0a14611321ea2fa7fe47c7a","sha256:efb49f6bba614ec631ab1b511460e2c988164c595b50a7705d8bca59be901570"],"state_sha256":"6dd1294ed558173d1a22921aa0914e5c88c26d4d7a055a44535e9dd66eaa0ea4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aT/cWjTcRr4woa9QZOEiIBgR2BTC0KGfEiDf1XBj+m6fakm10I5OkqksSZn9ewTHx0OtMZArdi3r39bY0M8ZCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T17:15:38.598021Z","bundle_sha256":"8145c92fe9e12ef209ea286b65ab85f244e23483ca7c3fdbedf46f34a966b16a"}}