{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:XNG6RN2BK2GE7T37PRF4CUEUV6","short_pith_number":"pith:XNG6RN2B","canonical_record":{"source":{"id":"cond-mat/0607300","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-07-12T10:22:49Z","cross_cats_sorted":[],"title_canon_sha256":"4fe91ec060c6e5f9f8272b7ccdc30a5150e860dce70fefbc6c0e2d072925a50e","abstract_canon_sha256":"694deb83ed62080e82f7ed9a39c8444b90f17adec68ff3b83612a9a6a89d1eac"},"schema_version":"1.0"},"canonical_sha256":"bb4de8b741568c4fcf7f7c4bc15094af9f4013f6d246cfb291369cdaded5cbe6","source":{"kind":"arxiv","id":"cond-mat/0607300","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0607300","created_at":"2026-07-04T17:00:47Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0607300v1","created_at":"2026-07-04T17:00:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0607300","created_at":"2026-07-04T17:00:47Z"},{"alias_kind":"pith_short_12","alias_value":"XNG6RN2BK2GE","created_at":"2026-07-04T17:00:47Z"},{"alias_kind":"pith_short_16","alias_value":"XNG6RN2BK2GE7T37","created_at":"2026-07-04T17:00:47Z"},{"alias_kind":"pith_short_8","alias_value":"XNG6RN2B","created_at":"2026-07-04T17:00:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:XNG6RN2BK2GE7T37PRF4CUEUV6","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0607300","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-07-12T10:22:49Z","cross_cats_sorted":[],"title_canon_sha256":"4fe91ec060c6e5f9f8272b7ccdc30a5150e860dce70fefbc6c0e2d072925a50e","abstract_canon_sha256":"694deb83ed62080e82f7ed9a39c8444b90f17adec68ff3b83612a9a6a89d1eac"},"schema_version":"1.0"},"canonical_sha256":"bb4de8b741568c4fcf7f7c4bc15094af9f4013f6d246cfb291369cdaded5cbe6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:00:47.732562Z","signature_b64":"g2H4yCGpnA4lXXYm+JdeaXa7a5Eq7FhsD7DDSFw7k7eRfnuwbJgAkINeIcQ8SnolqaE0Ie7ZVy+2ydu1UXShCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb4de8b741568c4fcf7f7c4bc15094af9f4013f6d246cfb291369cdaded5cbe6","last_reissued_at":"2026-07-04T17:00:47.732116Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:00:47.732116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0607300","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":"2026-07-04T17:00:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zJXA6nRA0q+2UeY/gMDNp0FZWqr0sCXJQ32Qlfem/3a5h+6uN6NsEiE/LXz6cmglSeBx+93VjoRIuWkL1qlGAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:49:52.512627Z"},"content_sha256":"4bc3822f788b241d0a9290d63ce641ca6ed6e6b83eeefda83e7c8e69b8838c03","schema_version":"1.0","event_id":"sha256:4bc3822f788b241d0a9290d63ce641ca6ed6e6b83eeefda83e7c8e69b8838c03"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:XNG6RN2BK2GE7T37PRF4CUEUV6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron transport and optical properties of shallow GaAs/InGaAs/GaAs quantum wells with a thin central AlAs barrier","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. de Visser, G.B. Galiev, G. Galistu, I.S. Vasil'evskii, R.A. Lunin, S.S. Shirokov, V.A. Kulbachinskii, V.G. Mokerov","submitted_at":"2006-07-12T10:22:49Z","abstract_excerpt":"Shallow GaAs/InGaAs/GaAs quantum well structures with and without a three monolayer thick AlAs central barrier have been investigated for different well widths and Si doping levels. The transport parameters are determined by resistivity measurements in the temperature range 4-300 K and magnetotransport in magnetic fields up to 12 T. The (subband) carrier concentrations and mobilities are extracted from the Hall data and Shubnikov-de Haas oscillations. We find that the transport parameters are strongly affected by the insertion of the AlAs central barrier. Photoluminescence spectra, measured at"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0607300","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0607300/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:00:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BUU8EvDJ/iUpYzsX76+WhICGokKiV4vNdUGPpKwUq4ELCNhI1DAD9BZwry4QUQyWLZjzTWrMk4SV8iTrNfhuDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:49:52.513131Z"},"content_sha256":"3905e3cf49eea0d6e23a94a8d9ea53998ade9392fd692dd4994c8be0e06969a1","schema_version":"1.0","event_id":"sha256:3905e3cf49eea0d6e23a94a8d9ea53998ade9392fd692dd4994c8be0e06969a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XNG6RN2BK2GE7T37PRF4CUEUV6/bundle.json","state_url":"https://pith.science/pith/XNG6RN2BK2GE7T37PRF4CUEUV6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XNG6RN2BK2GE7T37PRF4CUEUV6/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":"2026-08-11T01:49:52Z","links":{"resolver":"https://pith.science/pith/XNG6RN2BK2GE7T37PRF4CUEUV6","bundle":"https://pith.science/pith/XNG6RN2BK2GE7T37PRF4CUEUV6/bundle.json","state":"https://pith.science/pith/XNG6RN2BK2GE7T37PRF4CUEUV6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XNG6RN2BK2GE7T37PRF4CUEUV6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:XNG6RN2BK2GE7T37PRF4CUEUV6","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":"694deb83ed62080e82f7ed9a39c8444b90f17adec68ff3b83612a9a6a89d1eac","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-07-12T10:22:49Z","title_canon_sha256":"4fe91ec060c6e5f9f8272b7ccdc30a5150e860dce70fefbc6c0e2d072925a50e"},"schema_version":"1.0","source":{"id":"cond-mat/0607300","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0607300","created_at":"2026-07-04T17:00:47Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0607300v1","created_at":"2026-07-04T17:00:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0607300","created_at":"2026-07-04T17:00:47Z"},{"alias_kind":"pith_short_12","alias_value":"XNG6RN2BK2GE","created_at":"2026-07-04T17:00:47Z"},{"alias_kind":"pith_short_16","alias_value":"XNG6RN2BK2GE7T37","created_at":"2026-07-04T17:00:47Z"},{"alias_kind":"pith_short_8","alias_value":"XNG6RN2B","created_at":"2026-07-04T17:00:47Z"}],"graph_snapshots":[{"event_id":"sha256:3905e3cf49eea0d6e23a94a8d9ea53998ade9392fd692dd4994c8be0e06969a1","target":"graph","created_at":"2026-07-04T17:00:47Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0607300/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Shallow GaAs/InGaAs/GaAs quantum well structures with and without a three monolayer thick AlAs central barrier have been investigated for different well widths and Si doping levels. The transport parameters are determined by resistivity measurements in the temperature range 4-300 K and magnetotransport in magnetic fields up to 12 T. The (subband) carrier concentrations and mobilities are extracted from the Hall data and Shubnikov-de Haas oscillations. We find that the transport parameters are strongly affected by the insertion of the AlAs central barrier. Photoluminescence spectra, measured at","authors_text":"A. de Visser, G.B. Galiev, G. Galistu, I.S. Vasil'evskii, R.A. Lunin, S.S. Shirokov, V.A. Kulbachinskii, V.G. Mokerov","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-07-12T10:22:49Z","title":"Electron transport and optical properties of shallow GaAs/InGaAs/GaAs quantum wells with a thin central AlAs barrier"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0607300","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":"sha256:4bc3822f788b241d0a9290d63ce641ca6ed6e6b83eeefda83e7c8e69b8838c03","target":"record","created_at":"2026-07-04T17:00:47Z","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":"694deb83ed62080e82f7ed9a39c8444b90f17adec68ff3b83612a9a6a89d1eac","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-07-12T10:22:49Z","title_canon_sha256":"4fe91ec060c6e5f9f8272b7ccdc30a5150e860dce70fefbc6c0e2d072925a50e"},"schema_version":"1.0","source":{"id":"cond-mat/0607300","kind":"arxiv","version":1}},"canonical_sha256":"bb4de8b741568c4fcf7f7c4bc15094af9f4013f6d246cfb291369cdaded5cbe6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb4de8b741568c4fcf7f7c4bc15094af9f4013f6d246cfb291369cdaded5cbe6","first_computed_at":"2026-07-04T17:00:47.732116Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:00:47.732116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g2H4yCGpnA4lXXYm+JdeaXa7a5Eq7FhsD7DDSFw7k7eRfnuwbJgAkINeIcQ8SnolqaE0Ie7ZVy+2ydu1UXShCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:00:47.732562Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0607300","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4bc3822f788b241d0a9290d63ce641ca6ed6e6b83eeefda83e7c8e69b8838c03","sha256:3905e3cf49eea0d6e23a94a8d9ea53998ade9392fd692dd4994c8be0e06969a1"],"state_sha256":"a97ac9983fe6872b6161f8a7b95593f0a7483c8f18ecb1989bcd4e9fac45699b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/811c646Ht1gEKRYKXRhzSNihuReBGC1xPO6XTofKB6o93P3XKNzW0idWWiyW9rxuWgSefwqz4tNMrUoOmC+Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T01:49:52.516548Z","bundle_sha256":"07640a1c03113b0a4f4a4ad34997535cf296f989751da4b899a39ad66a7e2471"}}