{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:5H4RGVEUA476D6JVENDTXTZAFR","short_pith_number":"pith:5H4RGVEU","canonical_record":{"source":{"id":"1501.03447","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-14T19:06:28Z","cross_cats_sorted":[],"title_canon_sha256":"94b2734fdd14ce4f0ed22c2571be24b1d3ae326fced8ac222cb27b79ab02fb4d","abstract_canon_sha256":"af8643d6a10f4a4d224b2fd9231c3f219d5f01c9f40f8f452fb1ed537049e62e"},"schema_version":"1.0"},"canonical_sha256":"e9f9135494073fe1f93523473bcf202c57689e3fe6a541589c531dbb000bb2fc","source":{"kind":"arxiv","id":"1501.03447","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.03447","created_at":"2026-05-18T02:29:24Z"},{"alias_kind":"arxiv_version","alias_value":"1501.03447v1","created_at":"2026-05-18T02:29:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03447","created_at":"2026-05-18T02:29:24Z"},{"alias_kind":"pith_short_12","alias_value":"5H4RGVEUA476","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5H4RGVEUA476D6JV","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5H4RGVEU","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:5H4RGVEUA476D6JVENDTXTZAFR","target":"record","payload":{"canonical_record":{"source":{"id":"1501.03447","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-14T19:06:28Z","cross_cats_sorted":[],"title_canon_sha256":"94b2734fdd14ce4f0ed22c2571be24b1d3ae326fced8ac222cb27b79ab02fb4d","abstract_canon_sha256":"af8643d6a10f4a4d224b2fd9231c3f219d5f01c9f40f8f452fb1ed537049e62e"},"schema_version":"1.0"},"canonical_sha256":"e9f9135494073fe1f93523473bcf202c57689e3fe6a541589c531dbb000bb2fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:24.028272Z","signature_b64":"yPOL/njwIu74Yhw8+DKZ5semAXglv3oV9jGHkfLzRJ1/ToDUY4bKLPM8h7fY2yQQpIFnAHq2vOc6cfN/j6QuDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9f9135494073fe1f93523473bcf202c57689e3fe6a541589c531dbb000bb2fc","last_reissued_at":"2026-05-18T02:29:24.027620Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:24.027620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.03447","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":"2026-05-18T02:29:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qx3b5++rdT2k+f1E0HchA6cHC3WhiNcuezzgccGavS/YMnTUNDZ7XfP9YH3eVxb9oWSJBKp6T0BI5XOui1M6Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:28:31.708551Z"},"content_sha256":"92e0a9bb4e4b63e6c249cf3bfc7e7c9857bf2101447a5bcdc8165fa316fa6544","schema_version":"1.0","event_id":"sha256:92e0a9bb4e4b63e6c249cf3bfc7e7c9857bf2101447a5bcdc8165fa316fa6544"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:5H4RGVEUA476D6JVENDTXTZAFR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrodynamic spin fluctuations in the antiferromagnetic Heisenberg chain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Robin Steinigeweg, Wolfram Brenig, Yousef Rahnavard","submitted_at":"2015-01-14T19:06:28Z","abstract_excerpt":"We study the finite temperature, low energy, long wave-length spectrum of the dynamic structure factor of the spin-$1/2$ antiferromagnetic Heisenberg chain in the presence of exchange anisotropy and external magnetic fields. Using imaginary-time quantum Monte-Carlo we extract parameters, relevant to characterize a {\\it renormalized} Luttinger liquid. For small momentum our results are consistent with a change from propagating spinon density waves to spin diffusion, described by a finite-frequency spin-current relaxation rate. Results for this relaxation rate as well as other Luttinger liquid p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03447","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":"2026-05-18T02:29:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QqZ9SCm8xH4FJING4xs7sN/afz6k0q2IrgJX1mMFibim38FDNfHx83sb1KhJf2p4noPtT6v0V9GbZawYy3spBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:28:31.708896Z"},"content_sha256":"ee79eda91b806f00332c46c7479facc1c168fe7d67c05c9c21255621624373ad","schema_version":"1.0","event_id":"sha256:ee79eda91b806f00332c46c7479facc1c168fe7d67c05c9c21255621624373ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5H4RGVEUA476D6JVENDTXTZAFR/bundle.json","state_url":"https://pith.science/pith/5H4RGVEUA476D6JVENDTXTZAFR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5H4RGVEUA476D6JVENDTXTZAFR/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":"2026-06-03T06:28:31Z","links":{"resolver":"https://pith.science/pith/5H4RGVEUA476D6JVENDTXTZAFR","bundle":"https://pith.science/pith/5H4RGVEUA476D6JVENDTXTZAFR/bundle.json","state":"https://pith.science/pith/5H4RGVEUA476D6JVENDTXTZAFR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5H4RGVEUA476D6JVENDTXTZAFR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:5H4RGVEUA476D6JVENDTXTZAFR","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":"af8643d6a10f4a4d224b2fd9231c3f219d5f01c9f40f8f452fb1ed537049e62e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-14T19:06:28Z","title_canon_sha256":"94b2734fdd14ce4f0ed22c2571be24b1d3ae326fced8ac222cb27b79ab02fb4d"},"schema_version":"1.0","source":{"id":"1501.03447","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.03447","created_at":"2026-05-18T02:29:24Z"},{"alias_kind":"arxiv_version","alias_value":"1501.03447v1","created_at":"2026-05-18T02:29:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03447","created_at":"2026-05-18T02:29:24Z"},{"alias_kind":"pith_short_12","alias_value":"5H4RGVEUA476","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5H4RGVEUA476D6JV","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5H4RGVEU","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:ee79eda91b806f00332c46c7479facc1c168fe7d67c05c9c21255621624373ad","target":"graph","created_at":"2026-05-18T02:29:24Z","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 finite temperature, low energy, long wave-length spectrum of the dynamic structure factor of the spin-$1/2$ antiferromagnetic Heisenberg chain in the presence of exchange anisotropy and external magnetic fields. Using imaginary-time quantum Monte-Carlo we extract parameters, relevant to characterize a {\\it renormalized} Luttinger liquid. For small momentum our results are consistent with a change from propagating spinon density waves to spin diffusion, described by a finite-frequency spin-current relaxation rate. Results for this relaxation rate as well as other Luttinger liquid p","authors_text":"Robin Steinigeweg, Wolfram Brenig, Yousef Rahnavard","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-14T19:06:28Z","title":"Hydrodynamic spin fluctuations in the antiferromagnetic Heisenberg chain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03447","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":"sha256:92e0a9bb4e4b63e6c249cf3bfc7e7c9857bf2101447a5bcdc8165fa316fa6544","target":"record","created_at":"2026-05-18T02:29:24Z","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":"af8643d6a10f4a4d224b2fd9231c3f219d5f01c9f40f8f452fb1ed537049e62e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-01-14T19:06:28Z","title_canon_sha256":"94b2734fdd14ce4f0ed22c2571be24b1d3ae326fced8ac222cb27b79ab02fb4d"},"schema_version":"1.0","source":{"id":"1501.03447","kind":"arxiv","version":1}},"canonical_sha256":"e9f9135494073fe1f93523473bcf202c57689e3fe6a541589c531dbb000bb2fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9f9135494073fe1f93523473bcf202c57689e3fe6a541589c531dbb000bb2fc","first_computed_at":"2026-05-18T02:29:24.027620Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:24.027620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yPOL/njwIu74Yhw8+DKZ5semAXglv3oV9jGHkfLzRJ1/ToDUY4bKLPM8h7fY2yQQpIFnAHq2vOc6cfN/j6QuDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:24.028272Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.03447","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:92e0a9bb4e4b63e6c249cf3bfc7e7c9857bf2101447a5bcdc8165fa316fa6544","sha256:ee79eda91b806f00332c46c7479facc1c168fe7d67c05c9c21255621624373ad"],"state_sha256":"34b2bfbd11e840b58afec59ee9a0e4f17bf8bd5c4926486ce6d740c866cb5d4d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PHQ40zgybUQWPxHKp43rcG3/wcRIGIsR9v2tagSBI6/DNIZWTFrhe3f7ZYKhbc7vW9zjDPx6FRz1X+0upsXFCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T06:28:31.710851Z","bundle_sha256":"65f042b3cc291797518cba2f4c547d7e446c4f5872c3dde9c92a4d5aa7f6c4f9"}}