{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:RCO7LQZFVG6FDYVNVKIJVLO7YP","short_pith_number":"pith:RCO7LQZF","canonical_record":{"source":{"id":"1308.5982","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-08-27T20:09:34Z","cross_cats_sorted":[],"title_canon_sha256":"cf83fdb0d18bb353939188729cd3f41a4b7cd4579b0213098b26e2be002d3932","abstract_canon_sha256":"b07b44eba014394fbc2fd0aed0f45891bbcdaf0ebfb1efe8703ed02b0b898b58"},"schema_version":"1.0"},"canonical_sha256":"889df5c325a9bc51e2adaa909aaddfc3ced21d393406d8b6372e54abb587fad0","source":{"kind":"arxiv","id":"1308.5982","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.5982","created_at":"2026-05-18T01:47:57Z"},{"alias_kind":"arxiv_version","alias_value":"1308.5982v1","created_at":"2026-05-18T01:47:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.5982","created_at":"2026-05-18T01:47:57Z"},{"alias_kind":"pith_short_12","alias_value":"RCO7LQZFVG6F","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"RCO7LQZFVG6FDYVN","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"RCO7LQZF","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:RCO7LQZFVG6FDYVNVKIJVLO7YP","target":"record","payload":{"canonical_record":{"source":{"id":"1308.5982","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-08-27T20:09:34Z","cross_cats_sorted":[],"title_canon_sha256":"cf83fdb0d18bb353939188729cd3f41a4b7cd4579b0213098b26e2be002d3932","abstract_canon_sha256":"b07b44eba014394fbc2fd0aed0f45891bbcdaf0ebfb1efe8703ed02b0b898b58"},"schema_version":"1.0"},"canonical_sha256":"889df5c325a9bc51e2adaa909aaddfc3ced21d393406d8b6372e54abb587fad0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:57.771956Z","signature_b64":"36SLLrS2xZA/buvjMENObnVMpbbeZtYH6X1ngwrXmQdZk1vqwlq4lAE6V7CVWVlPP4TFGVNzn/NM93eAVU1oDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"889df5c325a9bc51e2adaa909aaddfc3ced21d393406d8b6372e54abb587fad0","last_reissued_at":"2026-05-18T01:47:57.771294Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:57.771294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.5982","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":"2026-05-18T01:47:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bKgYBd/alC9CR4BBs7k/FBQouCWavOn6BBcYjX52XX6rph1wtUC3bkgRX5kd7cQw6uJI1AhX+7lHhNJBBIe9Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T01:07:25.992782Z"},"content_sha256":"6cc68f1fce03589d58627229c4b01d04c3cede569eeb1fc057cd3d83c541ceae","schema_version":"1.0","event_id":"sha256:6cc68f1fce03589d58627229c4b01d04c3cede569eeb1fc057cd3d83c541ceae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:RCO7LQZFVG6FDYVNVKIJVLO7YP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structure factor of interacting one-dimensional helical systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Daniel Loss, Suhas Gangadharaiah, Thomas L. Schmidt","submitted_at":"2013-08-27T20:09:34Z","abstract_excerpt":"We calculate the dynamical structure factor S(q, {\\omega}) of a weakly interacting helical edge state in the presence of a magnetic field B. The latter opens a gap of width 2B in the single-particle spectrum, which becomes strongly nonlinear near the Dirac point. For chemical potentials |{\\mu}| > B, the system then behaves as a nonlinear helical Luttinger liquid, and a mobile-impurity analysis reveals interaction-dependent power-law singularities in S(q,{\\omega}). For |{\\mu}| < B, the low-energy excitations are gapped, and we determine S(q,{\\omega}) by using an analogy to exciton physics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.5982","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":"2026-05-18T01:47:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wGBTDU2JViHZNsBJSzjHnUwvQHZJHyhrlPhU/XHY1j+PKZb1rQo6R6dm8Y2BnAXVpoE+hKKCtLdLtdkQN/vtBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T01:07:25.993425Z"},"content_sha256":"57e04bc8ed6bc949d533e4c539b00762ee47722351fb329294a0463440c89ecb","schema_version":"1.0","event_id":"sha256:57e04bc8ed6bc949d533e4c539b00762ee47722351fb329294a0463440c89ecb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RCO7LQZFVG6FDYVNVKIJVLO7YP/bundle.json","state_url":"https://pith.science/pith/RCO7LQZFVG6FDYVNVKIJVLO7YP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RCO7LQZFVG6FDYVNVKIJVLO7YP/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":"2026-05-19T01:07:25Z","links":{"resolver":"https://pith.science/pith/RCO7LQZFVG6FDYVNVKIJVLO7YP","bundle":"https://pith.science/pith/RCO7LQZFVG6FDYVNVKIJVLO7YP/bundle.json","state":"https://pith.science/pith/RCO7LQZFVG6FDYVNVKIJVLO7YP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RCO7LQZFVG6FDYVNVKIJVLO7YP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:RCO7LQZFVG6FDYVNVKIJVLO7YP","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":"b07b44eba014394fbc2fd0aed0f45891bbcdaf0ebfb1efe8703ed02b0b898b58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-08-27T20:09:34Z","title_canon_sha256":"cf83fdb0d18bb353939188729cd3f41a4b7cd4579b0213098b26e2be002d3932"},"schema_version":"1.0","source":{"id":"1308.5982","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.5982","created_at":"2026-05-18T01:47:57Z"},{"alias_kind":"arxiv_version","alias_value":"1308.5982v1","created_at":"2026-05-18T01:47:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.5982","created_at":"2026-05-18T01:47:57Z"},{"alias_kind":"pith_short_12","alias_value":"RCO7LQZFVG6F","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"RCO7LQZFVG6FDYVN","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"RCO7LQZF","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:57e04bc8ed6bc949d533e4c539b00762ee47722351fb329294a0463440c89ecb","target":"graph","created_at":"2026-05-18T01:47:57Z","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 calculate the dynamical structure factor S(q, {\\omega}) of a weakly interacting helical edge state in the presence of a magnetic field B. The latter opens a gap of width 2B in the single-particle spectrum, which becomes strongly nonlinear near the Dirac point. For chemical potentials |{\\mu}| > B, the system then behaves as a nonlinear helical Luttinger liquid, and a mobile-impurity analysis reveals interaction-dependent power-law singularities in S(q,{\\omega}). For |{\\mu}| < B, the low-energy excitations are gapped, and we determine S(q,{\\omega}) by using an analogy to exciton physics.","authors_text":"Daniel Loss, Suhas Gangadharaiah, Thomas L. Schmidt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-08-27T20:09:34Z","title":"Structure factor of interacting one-dimensional helical systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.5982","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":"sha256:6cc68f1fce03589d58627229c4b01d04c3cede569eeb1fc057cd3d83c541ceae","target":"record","created_at":"2026-05-18T01:47:57Z","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":"b07b44eba014394fbc2fd0aed0f45891bbcdaf0ebfb1efe8703ed02b0b898b58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-08-27T20:09:34Z","title_canon_sha256":"cf83fdb0d18bb353939188729cd3f41a4b7cd4579b0213098b26e2be002d3932"},"schema_version":"1.0","source":{"id":"1308.5982","kind":"arxiv","version":1}},"canonical_sha256":"889df5c325a9bc51e2adaa909aaddfc3ced21d393406d8b6372e54abb587fad0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"889df5c325a9bc51e2adaa909aaddfc3ced21d393406d8b6372e54abb587fad0","first_computed_at":"2026-05-18T01:47:57.771294Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:57.771294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"36SLLrS2xZA/buvjMENObnVMpbbeZtYH6X1ngwrXmQdZk1vqwlq4lAE6V7CVWVlPP4TFGVNzn/NM93eAVU1oDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:57.771956Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.5982","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6cc68f1fce03589d58627229c4b01d04c3cede569eeb1fc057cd3d83c541ceae","sha256:57e04bc8ed6bc949d533e4c539b00762ee47722351fb329294a0463440c89ecb"],"state_sha256":"37135b8a97f7841a5dfecc1cdad4547966b9c5c3557f29f6ce9bb0e41b21698e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LVQ410jhmgEzU5iIPhTRLi+dOoUpyptIiEoXky/xbFeg4htcnIgnL1dBZY1HiAbW6YJpQp9KgplsUA3bvlmWDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T01:07:25.995469Z","bundle_sha256":"e0ec1744418ec22ded4bafab7a619058719687e1872613f2435483db6391fd68"}}