{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VVJPTWAJSI7I3BSREYILTQYDN6","short_pith_number":"pith:VVJPTWAJ","canonical_record":{"source":{"id":"1506.04691","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-15T18:19:53Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"8ac43dc76e589f0b44c7e84cd4f0d538ec510df65825b71ef687008b5bb973d4","abstract_canon_sha256":"3a7d6d3e42882dedaf5d7b187634bcbe7b4682ebbabf7bdb2a0a68824a2e6554"},"schema_version":"1.0"},"canonical_sha256":"ad52f9d809923e8d86512610b9c3036f98d9552fd0735d2ea742d7ce071e638a","source":{"kind":"arxiv","id":"1506.04691","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04691","created_at":"2026-05-18T01:07:17Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04691v2","created_at":"2026-05-18T01:07:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04691","created_at":"2026-05-18T01:07:17Z"},{"alias_kind":"pith_short_12","alias_value":"VVJPTWAJSI7I","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VVJPTWAJSI7I3BSR","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VVJPTWAJ","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VVJPTWAJSI7I3BSREYILTQYDN6","target":"record","payload":{"canonical_record":{"source":{"id":"1506.04691","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-15T18:19:53Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"8ac43dc76e589f0b44c7e84cd4f0d538ec510df65825b71ef687008b5bb973d4","abstract_canon_sha256":"3a7d6d3e42882dedaf5d7b187634bcbe7b4682ebbabf7bdb2a0a68824a2e6554"},"schema_version":"1.0"},"canonical_sha256":"ad52f9d809923e8d86512610b9c3036f98d9552fd0735d2ea742d7ce071e638a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:17.446501Z","signature_b64":"HidkMvu72F/ZUMZNGj/mnHk6pO4U1NdIGMwooElv3df1J1xQqM5uquNEc0Nsei53Rwhr1h/qPvLvOAnQTt7NCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad52f9d809923e8d86512610b9c3036f98d9552fd0735d2ea742d7ce071e638a","last_reissued_at":"2026-05-18T01:07:17.445882Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:17.445882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.04691","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":"2026-05-18T01:07:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Si+ZjLZWdVnjgZbt9g0ECLq8SjthZo4329WRr7Z1N8qzdh5uugKBeOZo+FpE8Ice4gCuo/N/2DjNbs7uVWKiCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:44:26.704868Z"},"content_sha256":"64f0772431c9e4decfe51d42adff8b7b6d53609688791bd9fbb92d17e92b09d1","schema_version":"1.0","event_id":"sha256:64f0772431c9e4decfe51d42adff8b7b6d53609688791bd9fbb92d17e92b09d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VVJPTWAJSI7I3BSREYILTQYDN6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of topological states in two-dimensional Dirac systems by the dynamic spin susceptibility","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"Akiyuki Tokuno, Masaaki Nakamura","submitted_at":"2015-06-15T18:19:53Z","abstract_excerpt":"We discuss dynamic spin susceptibility (DSS) in two-dimensional (2D) Dirac electrons with spin-orbit interactions to characterize topological insulators. The imaginary part of the DSS appears as an absorption rate in response to a transverse ac magnetic field, just as in an electron spin resonance experiment for localized spin systems. We found that when the system is in a static magnetic field, the topological state can be identified by an anomalous resonant peak of the imaginary part of the DSS as a function of the frequency of the transverse magnetic field $\\omega$. In the absence of a stat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04691","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":"2026-05-18T01:07:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+8oFeQJzgX0glB6rXmdoB9he7+2yZDLxSRSOptggNj7MkIl0d5zAioWa5h95QWqKZY6S+jXd15yDZGkKnf9UCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:44:26.705230Z"},"content_sha256":"e35ac5f3841092ec30cf38fdb60349a1bc6bc4633cb8060140b1b4e0e8bc3f32","schema_version":"1.0","event_id":"sha256:e35ac5f3841092ec30cf38fdb60349a1bc6bc4633cb8060140b1b4e0e8bc3f32"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VVJPTWAJSI7I3BSREYILTQYDN6/bundle.json","state_url":"https://pith.science/pith/VVJPTWAJSI7I3BSREYILTQYDN6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VVJPTWAJSI7I3BSREYILTQYDN6/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":"2026-06-03T18:44:26Z","links":{"resolver":"https://pith.science/pith/VVJPTWAJSI7I3BSREYILTQYDN6","bundle":"https://pith.science/pith/VVJPTWAJSI7I3BSREYILTQYDN6/bundle.json","state":"https://pith.science/pith/VVJPTWAJSI7I3BSREYILTQYDN6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VVJPTWAJSI7I3BSREYILTQYDN6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VVJPTWAJSI7I3BSREYILTQYDN6","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":"3a7d6d3e42882dedaf5d7b187634bcbe7b4682ebbabf7bdb2a0a68824a2e6554","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-15T18:19:53Z","title_canon_sha256":"8ac43dc76e589f0b44c7e84cd4f0d538ec510df65825b71ef687008b5bb973d4"},"schema_version":"1.0","source":{"id":"1506.04691","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04691","created_at":"2026-05-18T01:07:17Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04691v2","created_at":"2026-05-18T01:07:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04691","created_at":"2026-05-18T01:07:17Z"},{"alias_kind":"pith_short_12","alias_value":"VVJPTWAJSI7I","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VVJPTWAJSI7I3BSR","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VVJPTWAJ","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:e35ac5f3841092ec30cf38fdb60349a1bc6bc4633cb8060140b1b4e0e8bc3f32","target":"graph","created_at":"2026-05-18T01:07:17Z","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 discuss dynamic spin susceptibility (DSS) in two-dimensional (2D) Dirac electrons with spin-orbit interactions to characterize topological insulators. The imaginary part of the DSS appears as an absorption rate in response to a transverse ac magnetic field, just as in an electron spin resonance experiment for localized spin systems. We found that when the system is in a static magnetic field, the topological state can be identified by an anomalous resonant peak of the imaginary part of the DSS as a function of the frequency of the transverse magnetic field $\\omega$. In the absence of a stat","authors_text":"Akiyuki Tokuno, Masaaki Nakamura","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-15T18:19:53Z","title":"Detection of topological states in two-dimensional Dirac systems by the dynamic spin susceptibility"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04691","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":"sha256:64f0772431c9e4decfe51d42adff8b7b6d53609688791bd9fbb92d17e92b09d1","target":"record","created_at":"2026-05-18T01:07:17Z","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":"3a7d6d3e42882dedaf5d7b187634bcbe7b4682ebbabf7bdb2a0a68824a2e6554","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-06-15T18:19:53Z","title_canon_sha256":"8ac43dc76e589f0b44c7e84cd4f0d538ec510df65825b71ef687008b5bb973d4"},"schema_version":"1.0","source":{"id":"1506.04691","kind":"arxiv","version":2}},"canonical_sha256":"ad52f9d809923e8d86512610b9c3036f98d9552fd0735d2ea742d7ce071e638a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad52f9d809923e8d86512610b9c3036f98d9552fd0735d2ea742d7ce071e638a","first_computed_at":"2026-05-18T01:07:17.445882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:17.445882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HidkMvu72F/ZUMZNGj/mnHk6pO4U1NdIGMwooElv3df1J1xQqM5uquNEc0Nsei53Rwhr1h/qPvLvOAnQTt7NCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:17.446501Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.04691","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64f0772431c9e4decfe51d42adff8b7b6d53609688791bd9fbb92d17e92b09d1","sha256:e35ac5f3841092ec30cf38fdb60349a1bc6bc4633cb8060140b1b4e0e8bc3f32"],"state_sha256":"fc48983145310205d3e8d6743b6643582c38c89439c3db864776bfbb43a930dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nB8ATkn8QAvBcInvpJUgF/XikCXaGgLf7jEq0qaZaw9RqiELjq+ymERhXFvQmCRVViI5F3L7POQN0lEs38ofBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T18:44:26.707393Z","bundle_sha256":"dce0255d944eb42c67da22b92f8cf2c2d50de9c7820ee59d19fc2d85e96aef4b"}}