{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:EQ3JND2E2I35GZ7JZVKOT3BIBU","short_pith_number":"pith:EQ3JND2E","canonical_record":{"source":{"id":"1308.0360","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-01T21:23:55Z","cross_cats_sorted":[],"title_canon_sha256":"375ba13c542d91bb045175bd681d6d0f4a32972a22816b3d07fa38160619ec3c","abstract_canon_sha256":"e5a25b4aa30bc1b39e371d7477e5ca1c8578236066e8af3607a236e340a9ecb1"},"schema_version":"1.0"},"canonical_sha256":"2436968f44d237d367e9cd54e9ec280d0803a8b8f8672efc43fe3285365c2e6d","source":{"kind":"arxiv","id":"1308.0360","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.0360","created_at":"2026-05-18T01:48:25Z"},{"alias_kind":"arxiv_version","alias_value":"1308.0360v1","created_at":"2026-05-18T01:48:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.0360","created_at":"2026-05-18T01:48:25Z"},{"alias_kind":"pith_short_12","alias_value":"EQ3JND2E2I35","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EQ3JND2E2I35GZ7J","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EQ3JND2E","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:EQ3JND2E2I35GZ7JZVKOT3BIBU","target":"record","payload":{"canonical_record":{"source":{"id":"1308.0360","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-01T21:23:55Z","cross_cats_sorted":[],"title_canon_sha256":"375ba13c542d91bb045175bd681d6d0f4a32972a22816b3d07fa38160619ec3c","abstract_canon_sha256":"e5a25b4aa30bc1b39e371d7477e5ca1c8578236066e8af3607a236e340a9ecb1"},"schema_version":"1.0"},"canonical_sha256":"2436968f44d237d367e9cd54e9ec280d0803a8b8f8672efc43fe3285365c2e6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:25.189686Z","signature_b64":"9PgVr0sn25wGKxZj6gXXMMRyUGiQyBjimHt+XSi/NNu3fGh/is9GyY8MrERRoFQ+TqVZ05GCVifv8cWVpUx6Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2436968f44d237d367e9cd54e9ec280d0803a8b8f8672efc43fe3285365c2e6d","last_reissued_at":"2026-05-18T01:48:25.189161Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:25.189161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.0360","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":"2026-05-18T01:48:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qZlHNsIQcWd77UtQZBrHbbqsMHOv+9Vk3XpkrqUWv9Rd84hgfiuktWxiPF8O87rnfOi4sR2ZsskfA8lYlWdiCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T23:37:42.786193Z"},"content_sha256":"ed2ff848ce38ee3e774aab17dd79fd81a897f1b64eea7b181f67b24777f7553b","schema_version":"1.0","event_id":"sha256:ed2ff848ce38ee3e774aab17dd79fd81a897f1b64eea7b181f67b24777f7553b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:EQ3JND2E2I35GZ7JZVKOT3BIBU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A comparison of the carrier density at the surface of quantum wells for different crystal orientations of silicon, gallium arsenide and indium arsenide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Chris Bowen, Ryan Hatcher","submitted_at":"2013-08-01T21:23:55Z","abstract_excerpt":"We report the carrier densities at the surface of single-crystal quantum wells as a function of material, orientation and well width. We include wells constructed from silicon, gallium arsenide and indium arsenide with three crystal orientations, (100), (110) and (111), included for each material. We find that the D2 states in a silicon (100) quantum well have the smallest density near the surface of the slab. Inspection of the planar average of the carrier densities reveals a characteristic shape that depends on the material and orientation, which leads to a varying degree of suppression or e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.0360","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":"2026-05-18T01:48:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9EMxeEENXDQqRL/CIYf5F60NBWTphKGlHs54O0qoZwbrWGNUyZXKRPgrFGC0pGsoI7V5o1Cpa6wCR1rbSuuhCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T23:37:42.786933Z"},"content_sha256":"bd84e48562cc996b6194a58a43488a3ffc9d84870d84bc5b12b66041e4859601","schema_version":"1.0","event_id":"sha256:bd84e48562cc996b6194a58a43488a3ffc9d84870d84bc5b12b66041e4859601"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EQ3JND2E2I35GZ7JZVKOT3BIBU/bundle.json","state_url":"https://pith.science/pith/EQ3JND2E2I35GZ7JZVKOT3BIBU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EQ3JND2E2I35GZ7JZVKOT3BIBU/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":"2026-06-05T23:37:42Z","links":{"resolver":"https://pith.science/pith/EQ3JND2E2I35GZ7JZVKOT3BIBU","bundle":"https://pith.science/pith/EQ3JND2E2I35GZ7JZVKOT3BIBU/bundle.json","state":"https://pith.science/pith/EQ3JND2E2I35GZ7JZVKOT3BIBU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EQ3JND2E2I35GZ7JZVKOT3BIBU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:EQ3JND2E2I35GZ7JZVKOT3BIBU","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":"e5a25b4aa30bc1b39e371d7477e5ca1c8578236066e8af3607a236e340a9ecb1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-01T21:23:55Z","title_canon_sha256":"375ba13c542d91bb045175bd681d6d0f4a32972a22816b3d07fa38160619ec3c"},"schema_version":"1.0","source":{"id":"1308.0360","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.0360","created_at":"2026-05-18T01:48:25Z"},{"alias_kind":"arxiv_version","alias_value":"1308.0360v1","created_at":"2026-05-18T01:48:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.0360","created_at":"2026-05-18T01:48:25Z"},{"alias_kind":"pith_short_12","alias_value":"EQ3JND2E2I35","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EQ3JND2E2I35GZ7J","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EQ3JND2E","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:bd84e48562cc996b6194a58a43488a3ffc9d84870d84bc5b12b66041e4859601","target":"graph","created_at":"2026-05-18T01:48:25Z","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 report the carrier densities at the surface of single-crystal quantum wells as a function of material, orientation and well width. We include wells constructed from silicon, gallium arsenide and indium arsenide with three crystal orientations, (100), (110) and (111), included for each material. We find that the D2 states in a silicon (100) quantum well have the smallest density near the surface of the slab. Inspection of the planar average of the carrier densities reveals a characteristic shape that depends on the material and orientation, which leads to a varying degree of suppression or e","authors_text":"Chris Bowen, Ryan Hatcher","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-01T21:23:55Z","title":"A comparison of the carrier density at the surface of quantum wells for different crystal orientations of silicon, gallium arsenide and indium arsenide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.0360","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:ed2ff848ce38ee3e774aab17dd79fd81a897f1b64eea7b181f67b24777f7553b","target":"record","created_at":"2026-05-18T01:48:25Z","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":"e5a25b4aa30bc1b39e371d7477e5ca1c8578236066e8af3607a236e340a9ecb1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-01T21:23:55Z","title_canon_sha256":"375ba13c542d91bb045175bd681d6d0f4a32972a22816b3d07fa38160619ec3c"},"schema_version":"1.0","source":{"id":"1308.0360","kind":"arxiv","version":1}},"canonical_sha256":"2436968f44d237d367e9cd54e9ec280d0803a8b8f8672efc43fe3285365c2e6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2436968f44d237d367e9cd54e9ec280d0803a8b8f8672efc43fe3285365c2e6d","first_computed_at":"2026-05-18T01:48:25.189161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:25.189161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9PgVr0sn25wGKxZj6gXXMMRyUGiQyBjimHt+XSi/NNu3fGh/is9GyY8MrERRoFQ+TqVZ05GCVifv8cWVpUx6Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:25.189686Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.0360","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed2ff848ce38ee3e774aab17dd79fd81a897f1b64eea7b181f67b24777f7553b","sha256:bd84e48562cc996b6194a58a43488a3ffc9d84870d84bc5b12b66041e4859601"],"state_sha256":"19220750bfc86c23281271e4bc3e0fb3cf87dce0e6e0109d550aa8102f45f319"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zh7BS5BJP6LSc+oifPDB3qoL5k8q9ZTidaHn1JeDZDsKFv1ssUyscWSrVhJniQNiJfdGqqRTzktmM0JaSb9AAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T23:37:42.790556Z","bundle_sha256":"154cb52de1ddb88fb536c4ff9990d4cf2663bfb952e4e1bca5c30485a5fa21f5"}}