{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:YOOD6HMTX3J2C2XXOCZIKEBVQP","short_pith_number":"pith:YOOD6HMT","canonical_record":{"source":{"id":"2312.07402","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-12-12T16:21:20Z","cross_cats_sorted":[],"title_canon_sha256":"50b1785cb02d0193635e92fe62bf9c2c5d7f9d40f74654d07c3e807fa554cb6b","abstract_canon_sha256":"1cecb9b5fa8488a63622b73f6e3a686918e9b2fe52f769321cdc7c3b5d360a3f"},"schema_version":"1.0"},"canonical_sha256":"c39c3f1d93bed3a16af770b285103583e8d58a005f142c392a4e3a08e6698caa","source":{"kind":"arxiv","id":"2312.07402","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.07402","created_at":"2026-07-05T08:09:27Z"},{"alias_kind":"arxiv_version","alias_value":"2312.07402v2","created_at":"2026-07-05T08:09:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.07402","created_at":"2026-07-05T08:09:27Z"},{"alias_kind":"pith_short_12","alias_value":"YOOD6HMTX3J2","created_at":"2026-07-05T08:09:27Z"},{"alias_kind":"pith_short_16","alias_value":"YOOD6HMTX3J2C2XX","created_at":"2026-07-05T08:09:27Z"},{"alias_kind":"pith_short_8","alias_value":"YOOD6HMT","created_at":"2026-07-05T08:09:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:YOOD6HMTX3J2C2XXOCZIKEBVQP","target":"record","payload":{"canonical_record":{"source":{"id":"2312.07402","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-12-12T16:21:20Z","cross_cats_sorted":[],"title_canon_sha256":"50b1785cb02d0193635e92fe62bf9c2c5d7f9d40f74654d07c3e807fa554cb6b","abstract_canon_sha256":"1cecb9b5fa8488a63622b73f6e3a686918e9b2fe52f769321cdc7c3b5d360a3f"},"schema_version":"1.0"},"canonical_sha256":"c39c3f1d93bed3a16af770b285103583e8d58a005f142c392a4e3a08e6698caa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:09:27.139581Z","signature_b64":"iiUkEH1DmDzsfIjKThuBJL7AYLjjQiaPOTUQrNSa/xUQ7lF9mwM3ABmvsG/oGk0J/a7Gb4Ce9VD3EpSZKFGFCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c39c3f1d93bed3a16af770b285103583e8d58a005f142c392a4e3a08e6698caa","last_reissued_at":"2026-07-05T08:09:27.139051Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:09:27.139051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.07402","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:09:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"beNh8pFVwEDw9hsb/M/io4XeiljzF2bZAdJK0V0VOYIxoFhnqsexviZENaspu/DBcN47aPqzoyNrBQp+SpHuDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:36:23.754944Z"},"content_sha256":"e369271b2f5147da1b54c492594d58f6b5be16c5346cf762b99a4424e8e1fe6a","schema_version":"1.0","event_id":"sha256:e369271b2f5147da1b54c492594d58f6b5be16c5346cf762b99a4424e8e1fe6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:YOOD6HMTX3J2C2XXOCZIKEBVQP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic band structure of Sb2Te3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Dubroka, B. A. Piot, C. W. Cho, F. Abadizaman, F. Le Mardele, G. Bauer, G. Springholz, I. Aguilera, I. Mohelsky, J. Wyzula, M. F. Tanzim, M. Orlita, O. Caha, X. D. Sun","submitted_at":"2023-12-12T16:21:20Z","abstract_excerpt":"Here we report on Landau level spectroscopy of an epitaxially grown thin film of the topological insulator Sb2Te3, complemented by ellipsometry and magneto-transport measurements. The observed response suggests that Sb2Te3 is a direct-gap semiconductor with the fundamental band gap located at the \\Gamma point, or along the trigonal axis, and its width reaches Eg = 190 meV at low temperatures. Our data also indicate the presence of other low-energy extrema with a higher multiplicity in both the conduction and valence bands. The conclusions based on our experimental data are confronted with and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.07402","kind":"arxiv","version":2},"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/2312.07402/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":"2026-07-05T08:09:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ckNATtWSlLdOOvkrYN1lhhBM4dqVffk2kbTNGyl+ZjEVMDMp05zQa/MuQzfGbe9+iiY74wBlKTJjrHpbeKbtCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:36:23.756106Z"},"content_sha256":"728103254d42adfb065edcf95e46c255e378cbc5ecf1a6fddfa72e6fc40cae5c","schema_version":"1.0","event_id":"sha256:728103254d42adfb065edcf95e46c255e378cbc5ecf1a6fddfa72e6fc40cae5c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YOOD6HMTX3J2C2XXOCZIKEBVQP/bundle.json","state_url":"https://pith.science/pith/YOOD6HMTX3J2C2XXOCZIKEBVQP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YOOD6HMTX3J2C2XXOCZIKEBVQP/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":"2026-08-03T16:36:23Z","links":{"resolver":"https://pith.science/pith/YOOD6HMTX3J2C2XXOCZIKEBVQP","bundle":"https://pith.science/pith/YOOD6HMTX3J2C2XXOCZIKEBVQP/bundle.json","state":"https://pith.science/pith/YOOD6HMTX3J2C2XXOCZIKEBVQP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YOOD6HMTX3J2C2XXOCZIKEBVQP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YOOD6HMTX3J2C2XXOCZIKEBVQP","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":"1cecb9b5fa8488a63622b73f6e3a686918e9b2fe52f769321cdc7c3b5d360a3f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-12-12T16:21:20Z","title_canon_sha256":"50b1785cb02d0193635e92fe62bf9c2c5d7f9d40f74654d07c3e807fa554cb6b"},"schema_version":"1.0","source":{"id":"2312.07402","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.07402","created_at":"2026-07-05T08:09:27Z"},{"alias_kind":"arxiv_version","alias_value":"2312.07402v2","created_at":"2026-07-05T08:09:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.07402","created_at":"2026-07-05T08:09:27Z"},{"alias_kind":"pith_short_12","alias_value":"YOOD6HMTX3J2","created_at":"2026-07-05T08:09:27Z"},{"alias_kind":"pith_short_16","alias_value":"YOOD6HMTX3J2C2XX","created_at":"2026-07-05T08:09:27Z"},{"alias_kind":"pith_short_8","alias_value":"YOOD6HMT","created_at":"2026-07-05T08:09:27Z"}],"graph_snapshots":[{"event_id":"sha256:728103254d42adfb065edcf95e46c255e378cbc5ecf1a6fddfa72e6fc40cae5c","target":"graph","created_at":"2026-07-05T08:09:27Z","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/2312.07402/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Here we report on Landau level spectroscopy of an epitaxially grown thin film of the topological insulator Sb2Te3, complemented by ellipsometry and magneto-transport measurements. The observed response suggests that Sb2Te3 is a direct-gap semiconductor with the fundamental band gap located at the \\Gamma point, or along the trigonal axis, and its width reaches Eg = 190 meV at low temperatures. Our data also indicate the presence of other low-energy extrema with a higher multiplicity in both the conduction and valence bands. The conclusions based on our experimental data are confronted with and ","authors_text":"A. Dubroka, B. A. Piot, C. W. Cho, F. Abadizaman, F. Le Mardele, G. Bauer, G. Springholz, I. Aguilera, I. Mohelsky, J. Wyzula, M. F. Tanzim, M. Orlita, O. Caha, X. D. Sun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-12-12T16:21:20Z","title":"Electronic band structure of Sb2Te3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.07402","kind":"arxiv","version":2},"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:e369271b2f5147da1b54c492594d58f6b5be16c5346cf762b99a4424e8e1fe6a","target":"record","created_at":"2026-07-05T08:09:27Z","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":"1cecb9b5fa8488a63622b73f6e3a686918e9b2fe52f769321cdc7c3b5d360a3f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-12-12T16:21:20Z","title_canon_sha256":"50b1785cb02d0193635e92fe62bf9c2c5d7f9d40f74654d07c3e807fa554cb6b"},"schema_version":"1.0","source":{"id":"2312.07402","kind":"arxiv","version":2}},"canonical_sha256":"c39c3f1d93bed3a16af770b285103583e8d58a005f142c392a4e3a08e6698caa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c39c3f1d93bed3a16af770b285103583e8d58a005f142c392a4e3a08e6698caa","first_computed_at":"2026-07-05T08:09:27.139051Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:09:27.139051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iiUkEH1DmDzsfIjKThuBJL7AYLjjQiaPOTUQrNSa/xUQ7lF9mwM3ABmvsG/oGk0J/a7Gb4Ce9VD3EpSZKFGFCg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:09:27.139581Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.07402","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e369271b2f5147da1b54c492594d58f6b5be16c5346cf762b99a4424e8e1fe6a","sha256:728103254d42adfb065edcf95e46c255e378cbc5ecf1a6fddfa72e6fc40cae5c"],"state_sha256":"10ffd997a3f2d9e7216dae48c2bb8dab46a0185d8c6b960767bd3eb4e0c01e48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Cp95IoKJpvK9F1oh1Z4egP9uxnzFP+z07/1qi64NsPizqYpvDP7/0PfyBbqOUtpI1/+DJvNY7m099TrjmcGDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:36:23.833131Z","bundle_sha256":"6da897dd8ee3b7a4e093200cbf9ec4f875300412afc27dfb75f8ff99ceb9c9b6"}}