{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PCAQT6R7YKR72ZSCOCOEJXCQYS","short_pith_number":"pith:PCAQT6R7","canonical_record":{"source":{"id":"1806.10392","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-27T10:29:08Z","cross_cats_sorted":[],"title_canon_sha256":"4422aa3344c2d40b7fff752d1a34b625e108152242e468c2ee7897035f45314c","abstract_canon_sha256":"d64950018c02da4390126335f70d04b8bc49f082beeaf4d76ac3d68f92ea7784"},"schema_version":"1.0"},"canonical_sha256":"788109fa3fc2a3fd6642709c44dc50c4bb5408bb02d4afdfc090a0fda00dfab7","source":{"kind":"arxiv","id":"1806.10392","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.10392","created_at":"2026-05-17T23:57:21Z"},{"alias_kind":"arxiv_version","alias_value":"1806.10392v2","created_at":"2026-05-17T23:57:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.10392","created_at":"2026-05-17T23:57:21Z"},{"alias_kind":"pith_short_12","alias_value":"PCAQT6R7YKR7","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"PCAQT6R7YKR72ZSC","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"PCAQT6R7","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PCAQT6R7YKR72ZSCOCOEJXCQYS","target":"record","payload":{"canonical_record":{"source":{"id":"1806.10392","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-27T10:29:08Z","cross_cats_sorted":[],"title_canon_sha256":"4422aa3344c2d40b7fff752d1a34b625e108152242e468c2ee7897035f45314c","abstract_canon_sha256":"d64950018c02da4390126335f70d04b8bc49f082beeaf4d76ac3d68f92ea7784"},"schema_version":"1.0"},"canonical_sha256":"788109fa3fc2a3fd6642709c44dc50c4bb5408bb02d4afdfc090a0fda00dfab7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:21.540749Z","signature_b64":"5V0tTjst5eciEiQySwamueMZM9WC1rHJwsRE5g7z33Bvv2qiwDGi9nVjS4qWACpsFRaAD08pK6D1zhevLgWwBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"788109fa3fc2a3fd6642709c44dc50c4bb5408bb02d4afdfc090a0fda00dfab7","last_reissued_at":"2026-05-17T23:57:21.540072Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:21.540072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.10392","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:57:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gegxiQLasGO1rDnwnUblO1AStPD0jRVaG+KVZYs1LTEbly8XJaWR41LINQObKD3JugsWZiat85gMa8wia1ZaBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T02:08:12.390047Z"},"content_sha256":"0863663f64b9e2384278aaa3694542dac9d6fab44f32e71fa0c0046f9f001127","schema_version":"1.0","event_id":"sha256:0863663f64b9e2384278aaa3694542dac9d6fab44f32e71fa0c0046f9f001127"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PCAQT6R7YKR72ZSCOCOEJXCQYS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$z=2$ Quantum Critical Dynamics in a Spin Ladder","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Zheludev, D. Blosser, D. J. Voneshen, V. K. Bhartiya","submitted_at":"2018-06-27T10:29:08Z","abstract_excerpt":"By means of inelastic neutron scattering we investigate finite temperature dynamics in the quantum spin ladder compound (C$_5$H$_{12}$N)$_2$CuBr$_4$ (BPCB) near the magnetic field induced quantum critical point with dynamical exponent $z=2$. We observe universal finite-temperature scaling of the transverse local dynamic structure factor in spectacular quantitative agreement with long-standing theoretical predictions. At the same time, already at rather low temperatures, we observe strong non-universal longitudinal fluctuations. To separate the two, we make use of an intrinsic leg-exchange symm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.10392","kind":"arxiv","version":2},"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":"2026-05-17T23:57:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"87UY9oS5NA2HyGpgeBOEjUWhB3a6bekU7shxMir0jpaj9TB7Wj0d7gBQVGAEswrY0sJ2qBec7y/GJy2YmChuCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T02:08:12.390766Z"},"content_sha256":"4bb1f16b970dd3b93d3c0d885c152afaff0ff331f3e3b51f3fd4f97c31774e84","schema_version":"1.0","event_id":"sha256:4bb1f16b970dd3b93d3c0d885c152afaff0ff331f3e3b51f3fd4f97c31774e84"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PCAQT6R7YKR72ZSCOCOEJXCQYS/bundle.json","state_url":"https://pith.science/pith/PCAQT6R7YKR72ZSCOCOEJXCQYS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PCAQT6R7YKR72ZSCOCOEJXCQYS/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":"2026-05-24T02:08:12Z","links":{"resolver":"https://pith.science/pith/PCAQT6R7YKR72ZSCOCOEJXCQYS","bundle":"https://pith.science/pith/PCAQT6R7YKR72ZSCOCOEJXCQYS/bundle.json","state":"https://pith.science/pith/PCAQT6R7YKR72ZSCOCOEJXCQYS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PCAQT6R7YKR72ZSCOCOEJXCQYS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PCAQT6R7YKR72ZSCOCOEJXCQYS","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":"d64950018c02da4390126335f70d04b8bc49f082beeaf4d76ac3d68f92ea7784","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-27T10:29:08Z","title_canon_sha256":"4422aa3344c2d40b7fff752d1a34b625e108152242e468c2ee7897035f45314c"},"schema_version":"1.0","source":{"id":"1806.10392","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.10392","created_at":"2026-05-17T23:57:21Z"},{"alias_kind":"arxiv_version","alias_value":"1806.10392v2","created_at":"2026-05-17T23:57:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.10392","created_at":"2026-05-17T23:57:21Z"},{"alias_kind":"pith_short_12","alias_value":"PCAQT6R7YKR7","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"PCAQT6R7YKR72ZSC","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"PCAQT6R7","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:4bb1f16b970dd3b93d3c0d885c152afaff0ff331f3e3b51f3fd4f97c31774e84","target":"graph","created_at":"2026-05-17T23:57:21Z","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":"By means of inelastic neutron scattering we investigate finite temperature dynamics in the quantum spin ladder compound (C$_5$H$_{12}$N)$_2$CuBr$_4$ (BPCB) near the magnetic field induced quantum critical point with dynamical exponent $z=2$. We observe universal finite-temperature scaling of the transverse local dynamic structure factor in spectacular quantitative agreement with long-standing theoretical predictions. At the same time, already at rather low temperatures, we observe strong non-universal longitudinal fluctuations. To separate the two, we make use of an intrinsic leg-exchange symm","authors_text":"A. Zheludev, D. Blosser, D. J. Voneshen, V. K. Bhartiya","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-27T10:29:08Z","title":"$z=2$ Quantum Critical Dynamics in a Spin Ladder"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.10392","kind":"arxiv","version":2},"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":"sha256:0863663f64b9e2384278aaa3694542dac9d6fab44f32e71fa0c0046f9f001127","target":"record","created_at":"2026-05-17T23:57:21Z","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":"d64950018c02da4390126335f70d04b8bc49f082beeaf4d76ac3d68f92ea7784","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-06-27T10:29:08Z","title_canon_sha256":"4422aa3344c2d40b7fff752d1a34b625e108152242e468c2ee7897035f45314c"},"schema_version":"1.0","source":{"id":"1806.10392","kind":"arxiv","version":2}},"canonical_sha256":"788109fa3fc2a3fd6642709c44dc50c4bb5408bb02d4afdfc090a0fda00dfab7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"788109fa3fc2a3fd6642709c44dc50c4bb5408bb02d4afdfc090a0fda00dfab7","first_computed_at":"2026-05-17T23:57:21.540072Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:21.540072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5V0tTjst5eciEiQySwamueMZM9WC1rHJwsRE5g7z33Bvv2qiwDGi9nVjS4qWACpsFRaAD08pK6D1zhevLgWwBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:21.540749Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.10392","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0863663f64b9e2384278aaa3694542dac9d6fab44f32e71fa0c0046f9f001127","sha256:4bb1f16b970dd3b93d3c0d885c152afaff0ff331f3e3b51f3fd4f97c31774e84"],"state_sha256":"896fb71ce5a3043201182ccfcab1cb271f379ca03393a7928c3e0ec95bbcf7f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6r9CtEJY5+hIWoBxCCSvZE3Syf44jT/JW/9/VcRlFgZkU+61eylCcAcvT9oWwA0KHnFvYqKfvD1v1kei+ordCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T02:08:12.394771Z","bundle_sha256":"b7bcdb8f06a53778a6e757de8bd64426fc229f0705bc2cb383f2eb65cc36b26f"}}