{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:HEFBWCWJ6C44E6S6776VKOYXG3","short_pith_number":"pith:HEFBWCWJ","canonical_record":{"source":{"id":"0906.5204","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-06-29T06:27:44Z","cross_cats_sorted":[],"title_canon_sha256":"1fcb26f505130de4f80e9ad698461398ac34a3f1eba54b8eb18ffb9cb367dc31","abstract_canon_sha256":"1924e26e9357043f9a6d1e1ceba13f6ce94843ed23f0c9d1c751c55b0e9f1f63"},"schema_version":"1.0"},"canonical_sha256":"390a1b0ac9f0b9c27a5efffd553b1736c91acb17568f9d2cab78de2b4975217a","source":{"kind":"arxiv","id":"0906.5204","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.5204","created_at":"2026-05-18T04:23:03Z"},{"alias_kind":"arxiv_version","alias_value":"0906.5204v1","created_at":"2026-05-18T04:23:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.5204","created_at":"2026-05-18T04:23:03Z"},{"alias_kind":"pith_short_12","alias_value":"HEFBWCWJ6C44","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"HEFBWCWJ6C44E6S6","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"HEFBWCWJ","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:HEFBWCWJ6C44E6S6776VKOYXG3","target":"record","payload":{"canonical_record":{"source":{"id":"0906.5204","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-06-29T06:27:44Z","cross_cats_sorted":[],"title_canon_sha256":"1fcb26f505130de4f80e9ad698461398ac34a3f1eba54b8eb18ffb9cb367dc31","abstract_canon_sha256":"1924e26e9357043f9a6d1e1ceba13f6ce94843ed23f0c9d1c751c55b0e9f1f63"},"schema_version":"1.0"},"canonical_sha256":"390a1b0ac9f0b9c27a5efffd553b1736c91acb17568f9d2cab78de2b4975217a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:23:03.277476Z","signature_b64":"h887l7gQ3Rua6gxoXOfxFS/S+Hb9PcljIyRbOid/89Lj3dgG3vAIY4kSH90UWklvUCWtT+pVoNIPkmd69dSrBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"390a1b0ac9f0b9c27a5efffd553b1736c91acb17568f9d2cab78de2b4975217a","last_reissued_at":"2026-05-18T04:23:03.276912Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:23:03.276912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.5204","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:23:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3qfoaEG3pepaf6hBDY8JO9qe6Wsbe6Yn9RWdk/4cFBt9Myfmfk8fHxLfFkR4i8hT48+iaAjTMcLUC/NUiabVBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:19:49.689797Z"},"content_sha256":"f09a0452337f7c174be4c069db50d207a1ee7c01a8ffa69fed286e268a91d2d4","schema_version":"1.0","event_id":"sha256:f09a0452337f7c174be4c069db50d207a1ee7c01a8ffa69fed286e268a91d2d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:HEFBWCWJ6C44E6S6776VKOYXG3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"In-plane noncollinear exchange coupling mediated by helical edge states in Quantum Spin Hall system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Fu-Chun Zhang, Jinhua Gao, Weiqiang Chen, X. C. Xie","submitted_at":"2009-06-29T06:27:44Z","abstract_excerpt":"We study the Ruderman-Kittel-Kasuya-Yoshida (RKKY) interaction mediated by helical edge states in quantum spin hall system. The helical edge states induce an in-plane noncollinear exchange coupling between two local spins, in contrast to the isotropic coupling induced in normal metal. The angle between the two local spins in the ground state depends on the Fermi level. This property may be used to control the angle of spins by tuning the electric gate."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.5204","kind":"arxiv","version":1},"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":"2026-05-18T04:23:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zPj56qVfpLOwOZM0T5v/ZlVOVcS+YlXXmvVrDCxuEwL+id0FtMv6rhaVbKpaLvujLuk7ocTxOaLRuao28zxTDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:19:49.690143Z"},"content_sha256":"bbd1a49940c19b18570a0757d02fc90406bd2b370adb57e9af7bfe468bd3c61a","schema_version":"1.0","event_id":"sha256:bbd1a49940c19b18570a0757d02fc90406bd2b370adb57e9af7bfe468bd3c61a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HEFBWCWJ6C44E6S6776VKOYXG3/bundle.json","state_url":"https://pith.science/pith/HEFBWCWJ6C44E6S6776VKOYXG3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HEFBWCWJ6C44E6S6776VKOYXG3/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":"2026-06-05T12:19:49Z","links":{"resolver":"https://pith.science/pith/HEFBWCWJ6C44E6S6776VKOYXG3","bundle":"https://pith.science/pith/HEFBWCWJ6C44E6S6776VKOYXG3/bundle.json","state":"https://pith.science/pith/HEFBWCWJ6C44E6S6776VKOYXG3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HEFBWCWJ6C44E6S6776VKOYXG3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:HEFBWCWJ6C44E6S6776VKOYXG3","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":"1924e26e9357043f9a6d1e1ceba13f6ce94843ed23f0c9d1c751c55b0e9f1f63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-06-29T06:27:44Z","title_canon_sha256":"1fcb26f505130de4f80e9ad698461398ac34a3f1eba54b8eb18ffb9cb367dc31"},"schema_version":"1.0","source":{"id":"0906.5204","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.5204","created_at":"2026-05-18T04:23:03Z"},{"alias_kind":"arxiv_version","alias_value":"0906.5204v1","created_at":"2026-05-18T04:23:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.5204","created_at":"2026-05-18T04:23:03Z"},{"alias_kind":"pith_short_12","alias_value":"HEFBWCWJ6C44","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"HEFBWCWJ6C44E6S6","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"HEFBWCWJ","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:bbd1a49940c19b18570a0757d02fc90406bd2b370adb57e9af7bfe468bd3c61a","target":"graph","created_at":"2026-05-18T04:23:03Z","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 study the Ruderman-Kittel-Kasuya-Yoshida (RKKY) interaction mediated by helical edge states in quantum spin hall system. The helical edge states induce an in-plane noncollinear exchange coupling between two local spins, in contrast to the isotropic coupling induced in normal metal. The angle between the two local spins in the ground state depends on the Fermi level. This property may be used to control the angle of spins by tuning the electric gate.","authors_text":"Fu-Chun Zhang, Jinhua Gao, Weiqiang Chen, X. C. Xie","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-06-29T06:27:44Z","title":"In-plane noncollinear exchange coupling mediated by helical edge states in Quantum Spin Hall system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.5204","kind":"arxiv","version":1},"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:f09a0452337f7c174be4c069db50d207a1ee7c01a8ffa69fed286e268a91d2d4","target":"record","created_at":"2026-05-18T04:23:03Z","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":"1924e26e9357043f9a6d1e1ceba13f6ce94843ed23f0c9d1c751c55b0e9f1f63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-06-29T06:27:44Z","title_canon_sha256":"1fcb26f505130de4f80e9ad698461398ac34a3f1eba54b8eb18ffb9cb367dc31"},"schema_version":"1.0","source":{"id":"0906.5204","kind":"arxiv","version":1}},"canonical_sha256":"390a1b0ac9f0b9c27a5efffd553b1736c91acb17568f9d2cab78de2b4975217a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"390a1b0ac9f0b9c27a5efffd553b1736c91acb17568f9d2cab78de2b4975217a","first_computed_at":"2026-05-18T04:23:03.276912Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:23:03.276912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h887l7gQ3Rua6gxoXOfxFS/S+Hb9PcljIyRbOid/89Lj3dgG3vAIY4kSH90UWklvUCWtT+pVoNIPkmd69dSrBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:23:03.277476Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.5204","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f09a0452337f7c174be4c069db50d207a1ee7c01a8ffa69fed286e268a91d2d4","sha256:bbd1a49940c19b18570a0757d02fc90406bd2b370adb57e9af7bfe468bd3c61a"],"state_sha256":"af84527c8bdf7aaef24fbc027e2760c50f18a733a72cf5b31d4826e59dfe6d81"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZLAFgdrK5P0ulFGtIbAY2y1Oga4f/z70tat+lfcq5ftbqvXKICILdZJHCV/RdJmxOjxy5eTSoDBchHusN/HzCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T12:19:49.692081Z","bundle_sha256":"1cdeaa1aab92f2c44eff169d59264842abe3bb646767aaa0f4d91ad00fb32ddc"}}