{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:O6EHHPW7UTLLZWCEZ2PK5DTEXL","short_pith_number":"pith:O6EHHPW7","canonical_record":{"source":{"id":"1208.1162","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-06T13:49:13Z","cross_cats_sorted":[],"title_canon_sha256":"8739960aefc2725eb8295e6643543c2f98d51f15d637491c585a8f399ee8c9dc","abstract_canon_sha256":"4378dc7def483b92791d22c31d7b66f1426de2df24a9fe5d0e5c36e7b8fd5979"},"schema_version":"1.0"},"canonical_sha256":"778873bedfa4d6bcd844ce9eae8e64bad7b6beababb505b7fee554b8fe054cd4","source":{"kind":"arxiv","id":"1208.1162","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.1162","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"arxiv_version","alias_value":"1208.1162v1","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.1162","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"pith_short_12","alias_value":"O6EHHPW7UTLL","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"O6EHHPW7UTLLZWCE","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"O6EHHPW7","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:O6EHHPW7UTLLZWCEZ2PK5DTEXL","target":"record","payload":{"canonical_record":{"source":{"id":"1208.1162","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-06T13:49:13Z","cross_cats_sorted":[],"title_canon_sha256":"8739960aefc2725eb8295e6643543c2f98d51f15d637491c585a8f399ee8c9dc","abstract_canon_sha256":"4378dc7def483b92791d22c31d7b66f1426de2df24a9fe5d0e5c36e7b8fd5979"},"schema_version":"1.0"},"canonical_sha256":"778873bedfa4d6bcd844ce9eae8e64bad7b6beababb505b7fee554b8fe054cd4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:22.656884Z","signature_b64":"JEKQOc0/hzUdXTqPfTZgI6QnpEWJlV+kTGn5y/vUWerF4SNMDXnUt2FVlKgdXubAV7ZJQmLnPhd0sc/AzqUQAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"778873bedfa4d6bcd844ce9eae8e64bad7b6beababb505b7fee554b8fe054cd4","last_reissued_at":"2026-05-18T01:55:22.656292Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:22.656292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.1162","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":"2026-05-18T01:55:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Iut6lNvBCyQBzw6EaKebh0BQiHP3AvVEB1R4tTFhsxQPU5Sxilm2/9dAbceZ0B8lDhf0foGzc2MDFb7xRNp4Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:33:53.487872Z"},"content_sha256":"8b37dea02f4711b66c5e391ef90d7409efa5081b77df578e5910851a6d763011","schema_version":"1.0","event_id":"sha256:8b37dea02f4711b66c5e391ef90d7409efa5081b77df578e5910851a6d763011"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:O6EHHPW7UTLLZWCEZ2PK5DTEXL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low temperature ballistic spin transport in the S=1/2 antiferromagnetic Heisenberg chain compound SrCuO2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. A. Zvyagin, A. Revcolevschi, B. B\\\"uchner, C. Hess, G. Pascua, H.-H. Klauss, H. Luetkens, H. Maeter, R. Saint-Martin, Z. Shermadini","submitted_at":"2012-08-06T13:49:13Z","abstract_excerpt":"We report zero and longitudinal magnetic field muon spin relaxation measurements of the spin S=1/2 antiferromagnetic Heisenberg chain material SrCuO2. We find that in a weak applied magnetic field B the spin-lattice relaxation rate follows a power law B^n with n=-0.9(3). This result is temperature independent for 5K < T < 300 K. Within conformal field theory and using the M\\\"uller ansatz we conclude ballistic spin transport in SrCuO2."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.1162","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":"2026-05-18T01:55:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B2kbC27bObIrZuUexStAmU/g/9B1WPSqZIFhcsqGghQuDuxHWqLZbzKlYn3zLcIMz/1o9uJmMsDx+5IILWZtCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:33:53.488553Z"},"content_sha256":"e36e70fb38ed09c8137a7fc47752f55ac449e2753ff13d206437e14dce37b06d","schema_version":"1.0","event_id":"sha256:e36e70fb38ed09c8137a7fc47752f55ac449e2753ff13d206437e14dce37b06d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O6EHHPW7UTLLZWCEZ2PK5DTEXL/bundle.json","state_url":"https://pith.science/pith/O6EHHPW7UTLLZWCEZ2PK5DTEXL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O6EHHPW7UTLLZWCEZ2PK5DTEXL/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":"2026-05-26T06:33:53Z","links":{"resolver":"https://pith.science/pith/O6EHHPW7UTLLZWCEZ2PK5DTEXL","bundle":"https://pith.science/pith/O6EHHPW7UTLLZWCEZ2PK5DTEXL/bundle.json","state":"https://pith.science/pith/O6EHHPW7UTLLZWCEZ2PK5DTEXL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O6EHHPW7UTLLZWCEZ2PK5DTEXL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:O6EHHPW7UTLLZWCEZ2PK5DTEXL","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":"4378dc7def483b92791d22c31d7b66f1426de2df24a9fe5d0e5c36e7b8fd5979","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-06T13:49:13Z","title_canon_sha256":"8739960aefc2725eb8295e6643543c2f98d51f15d637491c585a8f399ee8c9dc"},"schema_version":"1.0","source":{"id":"1208.1162","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.1162","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"arxiv_version","alias_value":"1208.1162v1","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.1162","created_at":"2026-05-18T01:55:22Z"},{"alias_kind":"pith_short_12","alias_value":"O6EHHPW7UTLL","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"O6EHHPW7UTLLZWCE","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"O6EHHPW7","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:e36e70fb38ed09c8137a7fc47752f55ac449e2753ff13d206437e14dce37b06d","target":"graph","created_at":"2026-05-18T01:55:22Z","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":"We report zero and longitudinal magnetic field muon spin relaxation measurements of the spin S=1/2 antiferromagnetic Heisenberg chain material SrCuO2. We find that in a weak applied magnetic field B the spin-lattice relaxation rate follows a power law B^n with n=-0.9(3). This result is temperature independent for 5K < T < 300 K. Within conformal field theory and using the M\\\"uller ansatz we conclude ballistic spin transport in SrCuO2.","authors_text":"A. A. Zvyagin, A. Revcolevschi, B. B\\\"uchner, C. Hess, G. Pascua, H.-H. Klauss, H. Luetkens, H. Maeter, R. Saint-Martin, Z. Shermadini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-06T13:49:13Z","title":"Low temperature ballistic spin transport in the S=1/2 antiferromagnetic Heisenberg chain compound SrCuO2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.1162","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":"sha256:8b37dea02f4711b66c5e391ef90d7409efa5081b77df578e5910851a6d763011","target":"record","created_at":"2026-05-18T01:55:22Z","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":"4378dc7def483b92791d22c31d7b66f1426de2df24a9fe5d0e5c36e7b8fd5979","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-06T13:49:13Z","title_canon_sha256":"8739960aefc2725eb8295e6643543c2f98d51f15d637491c585a8f399ee8c9dc"},"schema_version":"1.0","source":{"id":"1208.1162","kind":"arxiv","version":1}},"canonical_sha256":"778873bedfa4d6bcd844ce9eae8e64bad7b6beababb505b7fee554b8fe054cd4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"778873bedfa4d6bcd844ce9eae8e64bad7b6beababb505b7fee554b8fe054cd4","first_computed_at":"2026-05-18T01:55:22.656292Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:22.656292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JEKQOc0/hzUdXTqPfTZgI6QnpEWJlV+kTGn5y/vUWerF4SNMDXnUt2FVlKgdXubAV7ZJQmLnPhd0sc/AzqUQAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:22.656884Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.1162","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b37dea02f4711b66c5e391ef90d7409efa5081b77df578e5910851a6d763011","sha256:e36e70fb38ed09c8137a7fc47752f55ac449e2753ff13d206437e14dce37b06d"],"state_sha256":"a64cf2e1e72c6caf567cff81e9b4e7fabebb2c9e5ccca6ced40aa87efc15898f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ra9bsfpdJKTGP7DxtLQokbvZo+SJLjVrUgco1FHRqZZ+U3vjXR50Ayc1M8c/b49i4osqW23502eYQt2dLz2dDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T06:33:53.492175Z","bundle_sha256":"e3f346524ed32f2f1a4f4b3d9e995d90859fb4edb88f29546ad9613a53b1ac34"}}