{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:JMHTI5SF5ISSSCTZ2I2RQAXYBJ","short_pith_number":"pith:JMHTI5SF","canonical_record":{"source":{"id":"1211.2088","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-11-09T10:03:02Z","cross_cats_sorted":[],"title_canon_sha256":"2142faeb6a1764f44eb14482ffc3c75274eb525244ffa76d9f6acf9ddd76d93b","abstract_canon_sha256":"cf5606ccea6e33e9cafab70ad53ba04ba8cf2a0091556f1560da3de51a833f65"},"schema_version":"1.0"},"canonical_sha256":"4b0f347645ea25290a79d2351802f80a42673aea686d261ae7a54e439b5d2c37","source":{"kind":"arxiv","id":"1211.2088","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.2088","created_at":"2026-05-18T03:26:22Z"},{"alias_kind":"arxiv_version","alias_value":"1211.2088v2","created_at":"2026-05-18T03:26:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.2088","created_at":"2026-05-18T03:26:22Z"},{"alias_kind":"pith_short_12","alias_value":"JMHTI5SF5ISS","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JMHTI5SF5ISSSCTZ","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JMHTI5SF","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:JMHTI5SF5ISSSCTZ2I2RQAXYBJ","target":"record","payload":{"canonical_record":{"source":{"id":"1211.2088","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-11-09T10:03:02Z","cross_cats_sorted":[],"title_canon_sha256":"2142faeb6a1764f44eb14482ffc3c75274eb525244ffa76d9f6acf9ddd76d93b","abstract_canon_sha256":"cf5606ccea6e33e9cafab70ad53ba04ba8cf2a0091556f1560da3de51a833f65"},"schema_version":"1.0"},"canonical_sha256":"4b0f347645ea25290a79d2351802f80a42673aea686d261ae7a54e439b5d2c37","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:22.864503Z","signature_b64":"mLRH/kQJRsownJ3GzVOGJEKnbNrIcRO6Bn5y4YhJTn8Lh+QaZBo93DbPKi3Zqnjj7feCmiTqkBb1qjRLyHv/Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b0f347645ea25290a79d2351802f80a42673aea686d261ae7a54e439b5d2c37","last_reissued_at":"2026-05-18T03:26:22.863740Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:22.863740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.2088","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":"2026-05-18T03:26:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qBG//mLKDqILLZr1gIAc+ahnFcBCfva+cp4mFXARBYfPkw84x+A58n1X1jSXIn/jn7ZDUTfVbjJyaDsp2ZHtBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T04:57:12.321596Z"},"content_sha256":"b62139c451a2cd8711b750e2a78c93ad884e8e0a4db54117f2b2b9befe066c6e","schema_version":"1.0","event_id":"sha256:b62139c451a2cd8711b750e2a78c93ad884e8e0a4db54117f2b2b9befe066c6e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:JMHTI5SF5ISSSCTZ2I2RQAXYBJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Protection of the surface states in topological insulators: Berry phase perspective","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Ken-Ichiro Imura, Yositake Takane","submitted_at":"2012-11-09T10:03:02Z","abstract_excerpt":"The metallic surface state of a topological insulator (TI) is not only topologically protected, but exhibits a remarkable property of inducing an effective vector potential on curved surfaces. For an electron in the surface state of a spherical or a cylindrical TI (TI nanoparticle or nanowire) a pseudo-magnetic monopole or a fictitious solenoid is effectively induced, encoding the geometry of the system. Here, by taking an example of a hyperbolic surface we demonstrate that as a consequence of this property stemming from its active spin degree of freedom, the surface state is by itself topolog"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.2088","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":"2026-05-18T03:26:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XOMmO00XFfteNxtQaf2ly8EgVjSm8j9SXNd5y0/MCsdQ1Nb+iN2tzLwZr3HmwI6npJrybUrO7WIRgFBBXD+5Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T04:57:12.321945Z"},"content_sha256":"19cc271c14b4677c3699e3406391dedd1df5634a327a0e064408a5e10bdc47cb","schema_version":"1.0","event_id":"sha256:19cc271c14b4677c3699e3406391dedd1df5634a327a0e064408a5e10bdc47cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JMHTI5SF5ISSSCTZ2I2RQAXYBJ/bundle.json","state_url":"https://pith.science/pith/JMHTI5SF5ISSSCTZ2I2RQAXYBJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JMHTI5SF5ISSSCTZ2I2RQAXYBJ/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":"2026-05-30T04:57:12Z","links":{"resolver":"https://pith.science/pith/JMHTI5SF5ISSSCTZ2I2RQAXYBJ","bundle":"https://pith.science/pith/JMHTI5SF5ISSSCTZ2I2RQAXYBJ/bundle.json","state":"https://pith.science/pith/JMHTI5SF5ISSSCTZ2I2RQAXYBJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JMHTI5SF5ISSSCTZ2I2RQAXYBJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:JMHTI5SF5ISSSCTZ2I2RQAXYBJ","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":"cf5606ccea6e33e9cafab70ad53ba04ba8cf2a0091556f1560da3de51a833f65","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-11-09T10:03:02Z","title_canon_sha256":"2142faeb6a1764f44eb14482ffc3c75274eb525244ffa76d9f6acf9ddd76d93b"},"schema_version":"1.0","source":{"id":"1211.2088","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.2088","created_at":"2026-05-18T03:26:22Z"},{"alias_kind":"arxiv_version","alias_value":"1211.2088v2","created_at":"2026-05-18T03:26:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.2088","created_at":"2026-05-18T03:26:22Z"},{"alias_kind":"pith_short_12","alias_value":"JMHTI5SF5ISS","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JMHTI5SF5ISSSCTZ","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JMHTI5SF","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:19cc271c14b4677c3699e3406391dedd1df5634a327a0e064408a5e10bdc47cb","target":"graph","created_at":"2026-05-18T03:26:22Z","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":"The metallic surface state of a topological insulator (TI) is not only topologically protected, but exhibits a remarkable property of inducing an effective vector potential on curved surfaces. For an electron in the surface state of a spherical or a cylindrical TI (TI nanoparticle or nanowire) a pseudo-magnetic monopole or a fictitious solenoid is effectively induced, encoding the geometry of the system. Here, by taking an example of a hyperbolic surface we demonstrate that as a consequence of this property stemming from its active spin degree of freedom, the surface state is by itself topolog","authors_text":"Ken-Ichiro Imura, Yositake Takane","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-11-09T10:03:02Z","title":"Protection of the surface states in topological insulators: Berry phase perspective"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.2088","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:b62139c451a2cd8711b750e2a78c93ad884e8e0a4db54117f2b2b9befe066c6e","target":"record","created_at":"2026-05-18T03:26:22Z","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":"cf5606ccea6e33e9cafab70ad53ba04ba8cf2a0091556f1560da3de51a833f65","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-11-09T10:03:02Z","title_canon_sha256":"2142faeb6a1764f44eb14482ffc3c75274eb525244ffa76d9f6acf9ddd76d93b"},"schema_version":"1.0","source":{"id":"1211.2088","kind":"arxiv","version":2}},"canonical_sha256":"4b0f347645ea25290a79d2351802f80a42673aea686d261ae7a54e439b5d2c37","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b0f347645ea25290a79d2351802f80a42673aea686d261ae7a54e439b5d2c37","first_computed_at":"2026-05-18T03:26:22.863740Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:22.863740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mLRH/kQJRsownJ3GzVOGJEKnbNrIcRO6Bn5y4YhJTn8Lh+QaZBo93DbPKi3Zqnjj7feCmiTqkBb1qjRLyHv/Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:22.864503Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.2088","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b62139c451a2cd8711b750e2a78c93ad884e8e0a4db54117f2b2b9befe066c6e","sha256:19cc271c14b4677c3699e3406391dedd1df5634a327a0e064408a5e10bdc47cb"],"state_sha256":"a3153e022e296acd83151d7826c8fb862c856f168e24aeb896ca45ce68eb9d34"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m2bbtJcievDByHYhAz7T2dEaV8WcRR3v0ii5UZJ+BlRE6DDS1sCn8pX23P8be++GryE6LzoijVZO3Sx63k17Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T04:57:12.324231Z","bundle_sha256":"8764a56742e0f4e4864263817e54b9352c4728d85c401511a9bc9ca48c368c3f"}}