{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:JHUINZIK7PXSBSBOF4BT24KLML","short_pith_number":"pith:JHUINZIK","canonical_record":{"source":{"id":"2311.04650","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-08T12:50:51Z","cross_cats_sorted":[],"title_canon_sha256":"f4322689b9c05e58530732b8d2bf3085d90cef95af08db890a8a679465f48ef0","abstract_canon_sha256":"c3978264108e82993a76a62d5e58a02f69ec16268ea10776a3fe6046f672d9cf"},"schema_version":"1.0"},"canonical_sha256":"49e886e50afbef20c82e2f033d714b62e92fe1db33ed7399c2a5fe9809bbb761","source":{"kind":"arxiv","id":"2311.04650","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.04650","created_at":"2026-07-05T07:22:50Z"},{"alias_kind":"arxiv_version","alias_value":"2311.04650v1","created_at":"2026-07-05T07:22:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.04650","created_at":"2026-07-05T07:22:50Z"},{"alias_kind":"pith_short_12","alias_value":"JHUINZIK7PXS","created_at":"2026-07-05T07:22:50Z"},{"alias_kind":"pith_short_16","alias_value":"JHUINZIK7PXSBSBO","created_at":"2026-07-05T07:22:50Z"},{"alias_kind":"pith_short_8","alias_value":"JHUINZIK","created_at":"2026-07-05T07:22:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:JHUINZIK7PXSBSBOF4BT24KLML","target":"record","payload":{"canonical_record":{"source":{"id":"2311.04650","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-08T12:50:51Z","cross_cats_sorted":[],"title_canon_sha256":"f4322689b9c05e58530732b8d2bf3085d90cef95af08db890a8a679465f48ef0","abstract_canon_sha256":"c3978264108e82993a76a62d5e58a02f69ec16268ea10776a3fe6046f672d9cf"},"schema_version":"1.0"},"canonical_sha256":"49e886e50afbef20c82e2f033d714b62e92fe1db33ed7399c2a5fe9809bbb761","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:22:50.651772Z","signature_b64":"jQRSo1DF3BQyB95965hX1qo75XLM/c150263WT1152GOiEaJvaNIZvONu+wvbjt0eGiZQKMBZSXhQ5TQn612Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49e886e50afbef20c82e2f033d714b62e92fe1db33ed7399c2a5fe9809bbb761","last_reissued_at":"2026-07-05T07:22:50.651204Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:22:50.651204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.04650","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":"2026-07-05T07:22:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ztxNhVc69WukvmWcjB6B5RqBpmDamX6OWGOGtFZgyu+RxmWc8HC2RwxIy/PHzxMSpEem1y6ldmL+GNgWuWv+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:48:58.877184Z"},"content_sha256":"e14d686d4a6956f900779d1574f4de03d3b0996401184cbff8f7a33bba712750","schema_version":"1.0","event_id":"sha256:e14d686d4a6956f900779d1574f4de03d3b0996401184cbff8f7a33bba712750"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:JHUINZIK7PXSBSBOF4BT24KLML","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Molecular beam epitaxy growth of cadmium telluride structures on hexagonal boron nitride","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Adam Krzysztof Szczerba, Jan Paw{\\l}owski, Julia Kucharek, Kenji Watanabe, Takashi Taniguchi, Wojciech Pacuski","submitted_at":"2023-11-08T12:50:51Z","abstract_excerpt":"We investigate the feasibility of epitaxial growth of a three-dimensional semiconductor on a two-dimensional substrate. In particular, we report for the first time on molecular beam epitaxy growth of cadmium telluride (CdTe) quantum wells on hexagonal boron nitride (hBN). The presence of the quantum wells is confirmed by photoluminescence measurements conducted at helium temperatures. Growth of quantum wells on two dimensional, almost perfectly flat hBN appears to be very different from growth on bulk substrates, in particular it requires 70-100$^\\circ$C lower temperatures."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.04650","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/2311.04650/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":"2026-07-05T07:22:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jqCaJKuo9AhEhQMhG3JPrhUYcE0WeL9Y9ALlbqPInHG6IBhm0yILWAGdpR9pwiVJC80m4F3Dy9gDZF4pWQ8CCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:48:58.877567Z"},"content_sha256":"9f00b908682d07f322c9a04b7f55362d6a788c7d82602ef3324c57b6f419d6eb","schema_version":"1.0","event_id":"sha256:9f00b908682d07f322c9a04b7f55362d6a788c7d82602ef3324c57b6f419d6eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JHUINZIK7PXSBSBOF4BT24KLML/bundle.json","state_url":"https://pith.science/pith/JHUINZIK7PXSBSBOF4BT24KLML/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JHUINZIK7PXSBSBOF4BT24KLML/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":"2026-07-07T13:48:58Z","links":{"resolver":"https://pith.science/pith/JHUINZIK7PXSBSBOF4BT24KLML","bundle":"https://pith.science/pith/JHUINZIK7PXSBSBOF4BT24KLML/bundle.json","state":"https://pith.science/pith/JHUINZIK7PXSBSBOF4BT24KLML/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JHUINZIK7PXSBSBOF4BT24KLML/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:JHUINZIK7PXSBSBOF4BT24KLML","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":"c3978264108e82993a76a62d5e58a02f69ec16268ea10776a3fe6046f672d9cf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-08T12:50:51Z","title_canon_sha256":"f4322689b9c05e58530732b8d2bf3085d90cef95af08db890a8a679465f48ef0"},"schema_version":"1.0","source":{"id":"2311.04650","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.04650","created_at":"2026-07-05T07:22:50Z"},{"alias_kind":"arxiv_version","alias_value":"2311.04650v1","created_at":"2026-07-05T07:22:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.04650","created_at":"2026-07-05T07:22:50Z"},{"alias_kind":"pith_short_12","alias_value":"JHUINZIK7PXS","created_at":"2026-07-05T07:22:50Z"},{"alias_kind":"pith_short_16","alias_value":"JHUINZIK7PXSBSBO","created_at":"2026-07-05T07:22:50Z"},{"alias_kind":"pith_short_8","alias_value":"JHUINZIK","created_at":"2026-07-05T07:22:50Z"}],"graph_snapshots":[{"event_id":"sha256:9f00b908682d07f322c9a04b7f55362d6a788c7d82602ef3324c57b6f419d6eb","target":"graph","created_at":"2026-07-05T07:22:50Z","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/2311.04650/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the feasibility of epitaxial growth of a three-dimensional semiconductor on a two-dimensional substrate. In particular, we report for the first time on molecular beam epitaxy growth of cadmium telluride (CdTe) quantum wells on hexagonal boron nitride (hBN). The presence of the quantum wells is confirmed by photoluminescence measurements conducted at helium temperatures. Growth of quantum wells on two dimensional, almost perfectly flat hBN appears to be very different from growth on bulk substrates, in particular it requires 70-100$^\\circ$C lower temperatures.","authors_text":"Adam Krzysztof Szczerba, Jan Paw{\\l}owski, Julia Kucharek, Kenji Watanabe, Takashi Taniguchi, Wojciech Pacuski","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-08T12:50:51Z","title":"Molecular beam epitaxy growth of cadmium telluride structures on hexagonal boron nitride"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.04650","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:e14d686d4a6956f900779d1574f4de03d3b0996401184cbff8f7a33bba712750","target":"record","created_at":"2026-07-05T07:22:50Z","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":"c3978264108e82993a76a62d5e58a02f69ec16268ea10776a3fe6046f672d9cf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-11-08T12:50:51Z","title_canon_sha256":"f4322689b9c05e58530732b8d2bf3085d90cef95af08db890a8a679465f48ef0"},"schema_version":"1.0","source":{"id":"2311.04650","kind":"arxiv","version":1}},"canonical_sha256":"49e886e50afbef20c82e2f033d714b62e92fe1db33ed7399c2a5fe9809bbb761","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49e886e50afbef20c82e2f033d714b62e92fe1db33ed7399c2a5fe9809bbb761","first_computed_at":"2026-07-05T07:22:50.651204Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:22:50.651204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jQRSo1DF3BQyB95965hX1qo75XLM/c150263WT1152GOiEaJvaNIZvONu+wvbjt0eGiZQKMBZSXhQ5TQn612Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:22:50.651772Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.04650","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e14d686d4a6956f900779d1574f4de03d3b0996401184cbff8f7a33bba712750","sha256:9f00b908682d07f322c9a04b7f55362d6a788c7d82602ef3324c57b6f419d6eb"],"state_sha256":"8658add7241a3efa8ed9ccce8d1012fdc466fb072075bd5802f6d8153463d3e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cNhaYyXufpsFQUkoBaNvst/Zncs72SabptuVGpQvN2zr1GRQEYBCaesqYD5WwA1ecGXdhcwW8nxb9nlWz16YDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:48:58.879741Z","bundle_sha256":"ad78edc8c576e374e8d540172bd78a1d7722839387d6d1cc3a2c654ad9762b72"}}