{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:LNIACK2QPIKXT2S3UWPQD365MN","short_pith_number":"pith:LNIACK2Q","canonical_record":{"source":{"id":"cond-mat/0511143","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-11-06T02:00:34Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"dd61111db27734b58eda5ec7082d4d814862e716a19245ad1a59bcbd4920f86b","abstract_canon_sha256":"bf9db998f5ff7119e6140d3192ec12f041edff686fbd804948d8968a00e73325"},"schema_version":"1.0"},"canonical_sha256":"5b50012b507a1579ea5ba59f01efdd636f144ca3f799a1fa7650e892c4b416da","source":{"kind":"arxiv","id":"cond-mat/0511143","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0511143","created_at":"2026-07-04T16:54:50Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0511143v1","created_at":"2026-07-04T16:54:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0511143","created_at":"2026-07-04T16:54:50Z"},{"alias_kind":"pith_short_12","alias_value":"LNIACK2QPIKX","created_at":"2026-07-04T16:54:50Z"},{"alias_kind":"pith_short_16","alias_value":"LNIACK2QPIKXT2S3","created_at":"2026-07-04T16:54:50Z"},{"alias_kind":"pith_short_8","alias_value":"LNIACK2Q","created_at":"2026-07-04T16:54:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:LNIACK2QPIKXT2S3UWPQD365MN","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0511143","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-11-06T02:00:34Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"dd61111db27734b58eda5ec7082d4d814862e716a19245ad1a59bcbd4920f86b","abstract_canon_sha256":"bf9db998f5ff7119e6140d3192ec12f041edff686fbd804948d8968a00e73325"},"schema_version":"1.0"},"canonical_sha256":"5b50012b507a1579ea5ba59f01efdd636f144ca3f799a1fa7650e892c4b416da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:54:50.309038Z","signature_b64":"Htq0vgfi6olxMsU50y6/t1zwlwTfbUabluDoUJDxt24X9X/Y1JQKZ5CqeFG87MyWuETP9wt1i4+LPdb5AO64Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b50012b507a1579ea5ba59f01efdd636f144ca3f799a1fa7650e892c4b416da","last_reissued_at":"2026-07-04T16:54:50.308644Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:54:50.308644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0511143","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":"2026-07-04T16:54:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DjHQRltsDOx6cs9mB8620JXwuae3H7Zziz3DyBSdg2p9kTdBumsGoSnB4T0rvZ80dxHGX4WbjliZ2eM+9BZ2Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:11:48.224398Z"},"content_sha256":"5bcacfe1f6aadf61e55694f474ee913c89e98d6c8d7e35f4035cf74c07444312","schema_version":"1.0","event_id":"sha256:5bcacfe1f6aadf61e55694f474ee913c89e98d6c8d7e35f4035cf74c07444312"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:LNIACK2QPIKXT2S3UWPQD365MN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamics of composite Haldane spin chains in IPA-CuCl3","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"A. Zheludev, H. Manaka, J.-H. Chung, L.-P. Regnault, T. Masuda, Y. Qiu","submitted_at":"2005-11-06T02:00:34Z","abstract_excerpt":"Magnetic excitations in the quasi-one-dimensional antiferromagnet IPA-CuCl3 are studied by cold neutron inelastic scattering. Strongly dispersive gap excitations are observed. Contrary to previously proposed models, the system is best described as an asymmetric quantum spin ladder. The observed spectrum is interpreted in terms of ``composite'' Haldane spin chains. The key difference from actual S=1 chains is a sharp cutoff of the single-magnon spectrum at a certain critical wave vector."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0511143","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0511143/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:54:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EKtFbOxIc+tU39PKZUx6DPu3PbIx0r9T4nuJRhQ52dyMbLVU8hsPaXicJUFtIiA4gtYTjYcNlCR2H9xd6IyFCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:11:48.224972Z"},"content_sha256":"d63ad806cec4421a8ff71d92ee40ae8ae7f2353900fc35d181a964943376f547","schema_version":"1.0","event_id":"sha256:d63ad806cec4421a8ff71d92ee40ae8ae7f2353900fc35d181a964943376f547"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LNIACK2QPIKXT2S3UWPQD365MN/bundle.json","state_url":"https://pith.science/pith/LNIACK2QPIKXT2S3UWPQD365MN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LNIACK2QPIKXT2S3UWPQD365MN/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":"2026-08-06T06:11:48Z","links":{"resolver":"https://pith.science/pith/LNIACK2QPIKXT2S3UWPQD365MN","bundle":"https://pith.science/pith/LNIACK2QPIKXT2S3UWPQD365MN/bundle.json","state":"https://pith.science/pith/LNIACK2QPIKXT2S3UWPQD365MN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LNIACK2QPIKXT2S3UWPQD365MN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:LNIACK2QPIKXT2S3UWPQD365MN","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":"bf9db998f5ff7119e6140d3192ec12f041edff686fbd804948d8968a00e73325","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-11-06T02:00:34Z","title_canon_sha256":"dd61111db27734b58eda5ec7082d4d814862e716a19245ad1a59bcbd4920f86b"},"schema_version":"1.0","source":{"id":"cond-mat/0511143","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0511143","created_at":"2026-07-04T16:54:50Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0511143v1","created_at":"2026-07-04T16:54:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0511143","created_at":"2026-07-04T16:54:50Z"},{"alias_kind":"pith_short_12","alias_value":"LNIACK2QPIKX","created_at":"2026-07-04T16:54:50Z"},{"alias_kind":"pith_short_16","alias_value":"LNIACK2QPIKXT2S3","created_at":"2026-07-04T16:54:50Z"},{"alias_kind":"pith_short_8","alias_value":"LNIACK2Q","created_at":"2026-07-04T16:54:50Z"}],"graph_snapshots":[{"event_id":"sha256:d63ad806cec4421a8ff71d92ee40ae8ae7f2353900fc35d181a964943376f547","target":"graph","created_at":"2026-07-04T16:54:50Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0511143/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Magnetic excitations in the quasi-one-dimensional antiferromagnet IPA-CuCl3 are studied by cold neutron inelastic scattering. Strongly dispersive gap excitations are observed. Contrary to previously proposed models, the system is best described as an asymmetric quantum spin ladder. The observed spectrum is interpreted in terms of ``composite'' Haldane spin chains. The key difference from actual S=1 chains is a sharp cutoff of the single-magnon spectrum at a certain critical wave vector.","authors_text":"A. Zheludev, H. Manaka, J.-H. Chung, L.-P. Regnault, T. Masuda, Y. Qiu","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-11-06T02:00:34Z","title":"Dynamics of composite Haldane spin chains in IPA-CuCl3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0511143","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":"sha256:5bcacfe1f6aadf61e55694f474ee913c89e98d6c8d7e35f4035cf74c07444312","target":"record","created_at":"2026-07-04T16:54:50Z","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":"bf9db998f5ff7119e6140d3192ec12f041edff686fbd804948d8968a00e73325","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-11-06T02:00:34Z","title_canon_sha256":"dd61111db27734b58eda5ec7082d4d814862e716a19245ad1a59bcbd4920f86b"},"schema_version":"1.0","source":{"id":"cond-mat/0511143","kind":"arxiv","version":1}},"canonical_sha256":"5b50012b507a1579ea5ba59f01efdd636f144ca3f799a1fa7650e892c4b416da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b50012b507a1579ea5ba59f01efdd636f144ca3f799a1fa7650e892c4b416da","first_computed_at":"2026-07-04T16:54:50.308644Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:54:50.308644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Htq0vgfi6olxMsU50y6/t1zwlwTfbUabluDoUJDxt24X9X/Y1JQKZ5CqeFG87MyWuETP9wt1i4+LPdb5AO64Cw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:54:50.309038Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0511143","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5bcacfe1f6aadf61e55694f474ee913c89e98d6c8d7e35f4035cf74c07444312","sha256:d63ad806cec4421a8ff71d92ee40ae8ae7f2353900fc35d181a964943376f547"],"state_sha256":"ac910cde887680defa4e99b5f56b3ff7ed157648acde84aea417f38d51d75a81"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qq4r5oX7TmUCaykmZnZhuq9LGy/79izwvhoX0IZkUslAOLocX1FdlOTo6WYjj61odta9tQQ1MCKxelpzrlzRCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T06:11:48.228711Z","bundle_sha256":"41df6850c06439daa503cb24fdb4a873405b508fb0048e5e0013fb5e60c249c2"}}