{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DGO33JA74LBOEBW34QVRTWJIPK","short_pith_number":"pith:DGO33JA7","canonical_record":{"source":{"id":"1608.03029","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-08-10T02:29:34Z","cross_cats_sorted":[],"title_canon_sha256":"034e55889b447ebdc9c37e234f08f4db03e6631bee5ce77818963e00ad1d47f6","abstract_canon_sha256":"167b743bde55a289c23fc0382b0890c23960688e981c13b63590b7b03c031815"},"schema_version":"1.0"},"canonical_sha256":"199dbda41fe2c2e206dbe42b19d9287a92d05329f8fedf290d9df590dadb45f8","source":{"kind":"arxiv","id":"1608.03029","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.03029","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1608.03029v2","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.03029","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"DGO33JA74LBO","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DGO33JA74LBOEBW3","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DGO33JA7","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DGO33JA74LBOEBW34QVRTWJIPK","target":"record","payload":{"canonical_record":{"source":{"id":"1608.03029","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-08-10T02:29:34Z","cross_cats_sorted":[],"title_canon_sha256":"034e55889b447ebdc9c37e234f08f4db03e6631bee5ce77818963e00ad1d47f6","abstract_canon_sha256":"167b743bde55a289c23fc0382b0890c23960688e981c13b63590b7b03c031815"},"schema_version":"1.0"},"canonical_sha256":"199dbda41fe2c2e206dbe42b19d9287a92d05329f8fedf290d9df590dadb45f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:25.365613Z","signature_b64":"55CmoG0K6qy7qQE8JkECm+yHEvZX/jQctQaTP52aiBVwNJ1UTfZVA5z09E3y9kgClmHAWmV4pYO++BCAWS8NAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"199dbda41fe2c2e206dbe42b19d9287a92d05329f8fedf290d9df590dadb45f8","last_reissued_at":"2026-05-18T00:51:25.365062Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:25.365062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.03029","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":"2026-05-18T00:51:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o/BRHShR15K9bKQ0iqPnWEK1WQmeoVJkJXjNr4PAbH2vX5eNY3XkhZIKrD/Ktav8boFjVCtEujv3+5X94TiQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T17:54:04.266667Z"},"content_sha256":"8f9d14f2d9dc3d7a8711e20a7d40edbc9b2d0abe41f65499fe971f5e1a27a494","schema_version":"1.0","event_id":"sha256:8f9d14f2d9dc3d7a8711e20a7d40edbc9b2d0abe41f65499fe971f5e1a27a494"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DGO33JA74LBOEBW34QVRTWJIPK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topologically entangled Rashba-split Shockley states on the surface of grey arsenic","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B.-Q. Lv, G.-F. Chen, H. Ding, H.-M. Weng, J.-Z. Ma, K. Yaji, L. Fu, L.-X. Zhao, Peng Zhang, Q.-N. Xu, S. Shin, T. Qian, X. Dai, X.-Q. Chen, Y. Ishida, Z. Fang","submitted_at":"2016-08-10T02:29:34Z","abstract_excerpt":"We discover a pair of spin-polarized surface bands on the (111) face of grey arsenic by using angle-resolved photoemission spectroscopy (ARPES). In the occupied side, the pair resembles typical nearly-free-electron Shockley states observed on noble-metal surfaces. However, pump-probe ARPES reveals that the spin-polarized pair traverses the bulk band gap and that the crossing of the pair at $\\bar\\Gamma$ is topologically unavoidable. First-principles calculations well reproduce the bands and their non-trivial topology; the calculations also support that the surface states are of Shockley type be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.03029","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":"2026-05-18T00:51:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MeDSL9HIH5s+6X8zmUdn4WMmrTCOgN7cHQFs74QQM1aMmFXn4u86fKLMtaUzyy4Bh92BQ/KkQQAG8tke18pNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T17:54:04.267181Z"},"content_sha256":"30f51439fb79a56d3c965a7b28f71f9a077b09766e2f62c20f005be86452453b","schema_version":"1.0","event_id":"sha256:30f51439fb79a56d3c965a7b28f71f9a077b09766e2f62c20f005be86452453b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DGO33JA74LBOEBW34QVRTWJIPK/bundle.json","state_url":"https://pith.science/pith/DGO33JA74LBOEBW34QVRTWJIPK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DGO33JA74LBOEBW34QVRTWJIPK/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":"2026-05-18T17:54:04Z","links":{"resolver":"https://pith.science/pith/DGO33JA74LBOEBW34QVRTWJIPK","bundle":"https://pith.science/pith/DGO33JA74LBOEBW34QVRTWJIPK/bundle.json","state":"https://pith.science/pith/DGO33JA74LBOEBW34QVRTWJIPK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DGO33JA74LBOEBW34QVRTWJIPK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DGO33JA74LBOEBW34QVRTWJIPK","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":"167b743bde55a289c23fc0382b0890c23960688e981c13b63590b7b03c031815","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-08-10T02:29:34Z","title_canon_sha256":"034e55889b447ebdc9c37e234f08f4db03e6631bee5ce77818963e00ad1d47f6"},"schema_version":"1.0","source":{"id":"1608.03029","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.03029","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"arxiv_version","alias_value":"1608.03029v2","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.03029","created_at":"2026-05-18T00:51:25Z"},{"alias_kind":"pith_short_12","alias_value":"DGO33JA74LBO","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DGO33JA74LBOEBW3","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DGO33JA7","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:30f51439fb79a56d3c965a7b28f71f9a077b09766e2f62c20f005be86452453b","target":"graph","created_at":"2026-05-18T00:51:25Z","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 discover a pair of spin-polarized surface bands on the (111) face of grey arsenic by using angle-resolved photoemission spectroscopy (ARPES). In the occupied side, the pair resembles typical nearly-free-electron Shockley states observed on noble-metal surfaces. However, pump-probe ARPES reveals that the spin-polarized pair traverses the bulk band gap and that the crossing of the pair at $\\bar\\Gamma$ is topologically unavoidable. First-principles calculations well reproduce the bands and their non-trivial topology; the calculations also support that the surface states are of Shockley type be","authors_text":"B.-Q. Lv, G.-F. Chen, H. Ding, H.-M. Weng, J.-Z. Ma, K. Yaji, L. Fu, L.-X. Zhao, Peng Zhang, Q.-N. Xu, S. Shin, T. Qian, X. Dai, X.-Q. Chen, Y. Ishida, Z. Fang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-08-10T02:29:34Z","title":"Topologically entangled Rashba-split Shockley states on the surface of grey arsenic"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.03029","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":"sha256:8f9d14f2d9dc3d7a8711e20a7d40edbc9b2d0abe41f65499fe971f5e1a27a494","target":"record","created_at":"2026-05-18T00:51:25Z","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":"167b743bde55a289c23fc0382b0890c23960688e981c13b63590b7b03c031815","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-08-10T02:29:34Z","title_canon_sha256":"034e55889b447ebdc9c37e234f08f4db03e6631bee5ce77818963e00ad1d47f6"},"schema_version":"1.0","source":{"id":"1608.03029","kind":"arxiv","version":2}},"canonical_sha256":"199dbda41fe2c2e206dbe42b19d9287a92d05329f8fedf290d9df590dadb45f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"199dbda41fe2c2e206dbe42b19d9287a92d05329f8fedf290d9df590dadb45f8","first_computed_at":"2026-05-18T00:51:25.365062Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:25.365062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"55CmoG0K6qy7qQE8JkECm+yHEvZX/jQctQaTP52aiBVwNJ1UTfZVA5z09E3y9kgClmHAWmV4pYO++BCAWS8NAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:25.365613Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.03029","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f9d14f2d9dc3d7a8711e20a7d40edbc9b2d0abe41f65499fe971f5e1a27a494","sha256:30f51439fb79a56d3c965a7b28f71f9a077b09766e2f62c20f005be86452453b"],"state_sha256":"f59cc233c239c66277d0da8aafe08e8923313bb1885a7890e204f16e4bb6c285"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p4F0HM9sIbGplOxmCypJ6ok0ZQuj5MIe12FNq7VD4N4PD2x7IFOI5idgi8nC61+f8z/C7VWqWJPf5tmjy2LuDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T17:54:04.268522Z","bundle_sha256":"9c4214d9860605a9cd1dd1b4a4e46fe793430639ebb15b8b558117d58b41f032"}}