{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:O2O766MDGSCQX47JMOWTT6BLT7","short_pith_number":"pith:O2O766MD","canonical_record":{"source":{"id":"0908.2492","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-08-18T05:41:05Z","cross_cats_sorted":[],"title_canon_sha256":"73beaec1586bdeb6e2fc62927e573e8bdae473ab9246fde8daf4850d3b4aee0f","abstract_canon_sha256":"710018b984aaa5a9711a3065a82764baa80910e9f3ae1f45dae335320282f8f8"},"schema_version":"1.0"},"canonical_sha256":"769dff798334850bf3e963ad39f82b9fc625714474eebeeeff57b285fc1ede06","source":{"kind":"arxiv","id":"0908.2492","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.2492","created_at":"2026-05-18T02:12:25Z"},{"alias_kind":"arxiv_version","alias_value":"0908.2492v1","created_at":"2026-05-18T02:12:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.2492","created_at":"2026-05-18T02:12:25Z"},{"alias_kind":"pith_short_12","alias_value":"O2O766MDGSCQ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"O2O766MDGSCQX47J","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"O2O766MD","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:O2O766MDGSCQX47JMOWTT6BLT7","target":"record","payload":{"canonical_record":{"source":{"id":"0908.2492","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-08-18T05:41:05Z","cross_cats_sorted":[],"title_canon_sha256":"73beaec1586bdeb6e2fc62927e573e8bdae473ab9246fde8daf4850d3b4aee0f","abstract_canon_sha256":"710018b984aaa5a9711a3065a82764baa80910e9f3ae1f45dae335320282f8f8"},"schema_version":"1.0"},"canonical_sha256":"769dff798334850bf3e963ad39f82b9fc625714474eebeeeff57b285fc1ede06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:25.755347Z","signature_b64":"/hrW3uwi1gmnoZABaFHI6YHkrgRwewyxrN2iXv9ZWcTviOec0Gp/WzCEokDLNkF7paYJXs8+QbAEcs2becf+AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"769dff798334850bf3e963ad39f82b9fc625714474eebeeeff57b285fc1ede06","last_reissued_at":"2026-05-18T02:12:25.754662Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:25.754662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.2492","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":"2026-05-18T02:12:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZJTaIMOYdWW+tv5O9B4zcBwqC55MfLS84YjsaxJ9r+B1doAsBxdISm0bOpOA6CXEdYdfNcsbxZCNCEvUnci5Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:55:38.313004Z"},"content_sha256":"535a5ecdb7f665316853cefb48f3f47f75d60671fb4c8ed0179c1ea568ba3d96","schema_version":"1.0","event_id":"sha256:535a5ecdb7f665316853cefb48f3f47f75d60671fb4c8ed0179c1ea568ba3d96"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:O2O766MDGSCQX47JMOWTT6BLT7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum condensation in electron-hole bilayers with density imbalance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Kazuo Yamashita, Kenichi Asano, Takuma Ohashi","submitted_at":"2009-08-18T05:41:05Z","abstract_excerpt":"We study the two-dimensional spatially separated electron-hole system with density imbalance at absolute zero temperature. By means of the mean-field theory, we find that the Fulde-Ferrell state is fairly stabilized by the order parameter mixing effect."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.2492","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":"2026-05-18T02:12:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oMfRBhEDfldYO6Coc3Jq0zILtosAwErIre7m+PPIzM8MQfikBYcGMZwZR7BrN1ZMTjTFIL4BuaDoVE9wnATYAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:55:38.313360Z"},"content_sha256":"a906a5f0579635753a63899563243fed70c353d970e176f306a5f7690680af48","schema_version":"1.0","event_id":"sha256:a906a5f0579635753a63899563243fed70c353d970e176f306a5f7690680af48"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O2O766MDGSCQX47JMOWTT6BLT7/bundle.json","state_url":"https://pith.science/pith/O2O766MDGSCQX47JMOWTT6BLT7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O2O766MDGSCQX47JMOWTT6BLT7/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":"2026-06-05T15:55:38Z","links":{"resolver":"https://pith.science/pith/O2O766MDGSCQX47JMOWTT6BLT7","bundle":"https://pith.science/pith/O2O766MDGSCQX47JMOWTT6BLT7/bundle.json","state":"https://pith.science/pith/O2O766MDGSCQX47JMOWTT6BLT7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O2O766MDGSCQX47JMOWTT6BLT7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:O2O766MDGSCQX47JMOWTT6BLT7","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":"710018b984aaa5a9711a3065a82764baa80910e9f3ae1f45dae335320282f8f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-08-18T05:41:05Z","title_canon_sha256":"73beaec1586bdeb6e2fc62927e573e8bdae473ab9246fde8daf4850d3b4aee0f"},"schema_version":"1.0","source":{"id":"0908.2492","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.2492","created_at":"2026-05-18T02:12:25Z"},{"alias_kind":"arxiv_version","alias_value":"0908.2492v1","created_at":"2026-05-18T02:12:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.2492","created_at":"2026-05-18T02:12:25Z"},{"alias_kind":"pith_short_12","alias_value":"O2O766MDGSCQ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"O2O766MDGSCQX47J","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"O2O766MD","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:a906a5f0579635753a63899563243fed70c353d970e176f306a5f7690680af48","target":"graph","created_at":"2026-05-18T02:12:25Z","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 the two-dimensional spatially separated electron-hole system with density imbalance at absolute zero temperature. By means of the mean-field theory, we find that the Fulde-Ferrell state is fairly stabilized by the order parameter mixing effect.","authors_text":"Kazuo Yamashita, Kenichi Asano, Takuma Ohashi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-08-18T05:41:05Z","title":"Quantum condensation in electron-hole bilayers with density imbalance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.2492","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":"sha256:535a5ecdb7f665316853cefb48f3f47f75d60671fb4c8ed0179c1ea568ba3d96","target":"record","created_at":"2026-05-18T02:12:25Z","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":"710018b984aaa5a9711a3065a82764baa80910e9f3ae1f45dae335320282f8f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-08-18T05:41:05Z","title_canon_sha256":"73beaec1586bdeb6e2fc62927e573e8bdae473ab9246fde8daf4850d3b4aee0f"},"schema_version":"1.0","source":{"id":"0908.2492","kind":"arxiv","version":1}},"canonical_sha256":"769dff798334850bf3e963ad39f82b9fc625714474eebeeeff57b285fc1ede06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"769dff798334850bf3e963ad39f82b9fc625714474eebeeeff57b285fc1ede06","first_computed_at":"2026-05-18T02:12:25.754662Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:25.754662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/hrW3uwi1gmnoZABaFHI6YHkrgRwewyxrN2iXv9ZWcTviOec0Gp/WzCEokDLNkF7paYJXs8+QbAEcs2becf+AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:25.755347Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.2492","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:535a5ecdb7f665316853cefb48f3f47f75d60671fb4c8ed0179c1ea568ba3d96","sha256:a906a5f0579635753a63899563243fed70c353d970e176f306a5f7690680af48"],"state_sha256":"e8cf3a0786dded4f013bfb9e04cfeeee8d733e0e46a02d8f550c25e6d4b35058"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"doGYewPdGMAaX8LjMQGPz+rnt6Yh7LgtQvUpHZ6ijdUHUn4xgeM/CFb84rmtM9n4ag5M1NMzgcl2IIXNv99ZDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T15:55:38.315278Z","bundle_sha256":"a14ef346e339ece407fe9de46ce0c2396928d3e3da88843d76b48da113a236c1"}}