{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:L3Y4P6MUVVLKOTWHPEXMQP4OQ3","short_pith_number":"pith:L3Y4P6MU","canonical_record":{"source":{"id":"1201.4323","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-01-20T15:39:48Z","cross_cats_sorted":[],"title_canon_sha256":"d81ae15890e4af3eec14f13b1b9163594db3ee5c776044788f5cbdc564623f33","abstract_canon_sha256":"9cd2b5279288ee4af38fb3fe5bc5fd66ccbb6fa8205d6e605b888b3ccb402562"},"schema_version":"1.0"},"canonical_sha256":"5ef1c7f994ad56a74ec7792ec83f8e86f6ed3900091e80c76f3378c611cfb770","source":{"kind":"arxiv","id":"1201.4323","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4323","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4323v2","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4323","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"pith_short_12","alias_value":"L3Y4P6MUVVLK","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"L3Y4P6MUVVLKOTWH","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"L3Y4P6MU","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:L3Y4P6MUVVLKOTWHPEXMQP4OQ3","target":"record","payload":{"canonical_record":{"source":{"id":"1201.4323","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-01-20T15:39:48Z","cross_cats_sorted":[],"title_canon_sha256":"d81ae15890e4af3eec14f13b1b9163594db3ee5c776044788f5cbdc564623f33","abstract_canon_sha256":"9cd2b5279288ee4af38fb3fe5bc5fd66ccbb6fa8205d6e605b888b3ccb402562"},"schema_version":"1.0"},"canonical_sha256":"5ef1c7f994ad56a74ec7792ec83f8e86f6ed3900091e80c76f3378c611cfb770","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:38:56.183113Z","signature_b64":"Z9yt1c1Xhc3XrTU96lmTsocGyOd81RTxkgbXN7IjFfEtdMJRQsbpR8M9vVtHTx0851wlGW9xf7wiRaX3CXqNDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ef1c7f994ad56a74ec7792ec83f8e86f6ed3900091e80c76f3378c611cfb770","last_reissued_at":"2026-05-18T03:38:56.182496Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:38:56.182496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.4323","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":"2026-05-18T03:38:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hF7tuyzfhICqOgqf7eNamLpAuRWYhEHAdBrVBrrl2nVtE7HcGVVyzIIydJ5WCvXJ0Fstoyvgbm8m7bTFifdRCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:14:39.830398Z"},"content_sha256":"b88cfa21a7602ffc6767e3bcb4f47d924e68c92f8b21197b193e3e00f24f2d63","schema_version":"1.0","event_id":"sha256:b88cfa21a7602ffc6767e3bcb4f47d924e68c92f8b21197b193e3e00f24f2d63"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:L3Y4P6MUVVLKOTWHPEXMQP4OQ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing two topological surface bands of Sb2Te3 by spin-polarized photoemission spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Georgi, A. Varykhalov, C. Pauly, D. Subramaniam, G. Bihlmayer, J. S\\'anchez-Barriga, M. Grob, M. Liebmann, M. Morgenstern, M. R. Scholz, O. Rader, S. Bl\\\"ugel","submitted_at":"2012-01-20T15:39:48Z","abstract_excerpt":"Using high resolution spin- and angle-resolved photoemission spectroscopy, we map the electronic structure and spin texture of the surface states of the topological insulator Sb2Te3. In combination with density functional calculations (DFT), we directly show that Sb2Te3 exhibits a partially occupied, single spin-Dirac cone around the Fermi energy, which is topologically protected. DFT obtains a spin polarization of the occupied Dirac cone states of 80-90%, which is in reasonable agreement with the experimental data after careful background subtraction. Furthermore, we observe a strongly spin-o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4323","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":""},"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":"2026-05-18T03:38:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AUBUGJ1JiXb/KXokS0wWcaIHy7tRfFG3yzkDU/qDlV9JaMzRYmEL+boS+KUv1+J/7fo2Z7uIx6pLFZpwjZqyAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:14:39.830929Z"},"content_sha256":"ddc5e7ced9af5bed21946984cebd478640c3c37fe93d32d8611917e32f284a41","schema_version":"1.0","event_id":"sha256:ddc5e7ced9af5bed21946984cebd478640c3c37fe93d32d8611917e32f284a41"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L3Y4P6MUVVLKOTWHPEXMQP4OQ3/bundle.json","state_url":"https://pith.science/pith/L3Y4P6MUVVLKOTWHPEXMQP4OQ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L3Y4P6MUVVLKOTWHPEXMQP4OQ3/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":"2026-05-26T19:14:39Z","links":{"resolver":"https://pith.science/pith/L3Y4P6MUVVLKOTWHPEXMQP4OQ3","bundle":"https://pith.science/pith/L3Y4P6MUVVLKOTWHPEXMQP4OQ3/bundle.json","state":"https://pith.science/pith/L3Y4P6MUVVLKOTWHPEXMQP4OQ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L3Y4P6MUVVLKOTWHPEXMQP4OQ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:L3Y4P6MUVVLKOTWHPEXMQP4OQ3","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":"9cd2b5279288ee4af38fb3fe5bc5fd66ccbb6fa8205d6e605b888b3ccb402562","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-01-20T15:39:48Z","title_canon_sha256":"d81ae15890e4af3eec14f13b1b9163594db3ee5c776044788f5cbdc564623f33"},"schema_version":"1.0","source":{"id":"1201.4323","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4323","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4323v2","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4323","created_at":"2026-05-18T03:38:56Z"},{"alias_kind":"pith_short_12","alias_value":"L3Y4P6MUVVLK","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"L3Y4P6MUVVLKOTWH","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"L3Y4P6MU","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:ddc5e7ced9af5bed21946984cebd478640c3c37fe93d32d8611917e32f284a41","target":"graph","created_at":"2026-05-18T03:38:56Z","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":"Using high resolution spin- and angle-resolved photoemission spectroscopy, we map the electronic structure and spin texture of the surface states of the topological insulator Sb2Te3. In combination with density functional calculations (DFT), we directly show that Sb2Te3 exhibits a partially occupied, single spin-Dirac cone around the Fermi energy, which is topologically protected. DFT obtains a spin polarization of the occupied Dirac cone states of 80-90%, which is in reasonable agreement with the experimental data after careful background subtraction. Furthermore, we observe a strongly spin-o","authors_text":"A. Georgi, A. Varykhalov, C. Pauly, D. Subramaniam, G. Bihlmayer, J. S\\'anchez-Barriga, M. Grob, M. Liebmann, M. Morgenstern, M. R. Scholz, O. Rader, S. Bl\\\"ugel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-01-20T15:39:48Z","title":"Probing two topological surface bands of Sb2Te3 by spin-polarized photoemission spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4323","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:b88cfa21a7602ffc6767e3bcb4f47d924e68c92f8b21197b193e3e00f24f2d63","target":"record","created_at":"2026-05-18T03:38:56Z","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":"9cd2b5279288ee4af38fb3fe5bc5fd66ccbb6fa8205d6e605b888b3ccb402562","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-01-20T15:39:48Z","title_canon_sha256":"d81ae15890e4af3eec14f13b1b9163594db3ee5c776044788f5cbdc564623f33"},"schema_version":"1.0","source":{"id":"1201.4323","kind":"arxiv","version":2}},"canonical_sha256":"5ef1c7f994ad56a74ec7792ec83f8e86f6ed3900091e80c76f3378c611cfb770","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ef1c7f994ad56a74ec7792ec83f8e86f6ed3900091e80c76f3378c611cfb770","first_computed_at":"2026-05-18T03:38:56.182496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:38:56.182496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z9yt1c1Xhc3XrTU96lmTsocGyOd81RTxkgbXN7IjFfEtdMJRQsbpR8M9vVtHTx0851wlGW9xf7wiRaX3CXqNDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:38:56.183113Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.4323","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b88cfa21a7602ffc6767e3bcb4f47d924e68c92f8b21197b193e3e00f24f2d63","sha256:ddc5e7ced9af5bed21946984cebd478640c3c37fe93d32d8611917e32f284a41"],"state_sha256":"f5f6db07551990f9dc357ea213bfddb9b564944e63528c8524ea6177a0888446"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2JXySIrg0bu/L0qySicEFlTU9pw0/YNF4r1EXq6BSGG8bxZhLLYBd3cmW56Gc6xYd+pQ9rIhGPvD/azlFe7uAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:14:39.834322Z","bundle_sha256":"c5877fdc41435800c7202c5f8eadaf38a7c6d62b7c637ea0bc71f74b691c1f36"}}