{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:2UBKK6ZOXOFDEYLUZBFJ6XLABT","short_pith_number":"pith:2UBKK6ZO","canonical_record":{"source":{"id":"1604.05252","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-04-18T17:19:35Z","cross_cats_sorted":[],"title_canon_sha256":"141eba576f0c8c8cd115dd65fcde6f03613dd7c31299474591db9c3c2ecea934","abstract_canon_sha256":"bcc09f9359e00a1876d78980ebb394669378afeb6e0043e53552605be6d2f906"},"schema_version":"1.0"},"canonical_sha256":"d502a57b2ebb8a326174c84a9f5d600cd3c3de24466ced0956adff7de9e9ed83","source":{"kind":"arxiv","id":"1604.05252","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05252","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05252v2","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05252","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"2UBKK6ZOXOFD","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"2UBKK6ZOXOFDEYLU","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"2UBKK6ZO","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:2UBKK6ZOXOFDEYLUZBFJ6XLABT","target":"record","payload":{"canonical_record":{"source":{"id":"1604.05252","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-04-18T17:19:35Z","cross_cats_sorted":[],"title_canon_sha256":"141eba576f0c8c8cd115dd65fcde6f03613dd7c31299474591db9c3c2ecea934","abstract_canon_sha256":"bcc09f9359e00a1876d78980ebb394669378afeb6e0043e53552605be6d2f906"},"schema_version":"1.0"},"canonical_sha256":"d502a57b2ebb8a326174c84a9f5d600cd3c3de24466ced0956adff7de9e9ed83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:28.653181Z","signature_b64":"mFjyz7C/EIBI7Q2NGRUCNBfvWBxv214V/QUkFLfaiydEA8/+DQVB52DrUWN0+pI9vm/9Vrb+vZQfwo7KH+rVBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d502a57b2ebb8a326174c84a9f5d600cd3c3de24466ced0956adff7de9e9ed83","last_reissued_at":"2026-05-18T01:06:28.652566Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:28.652566Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.05252","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":"2026-05-18T01:06:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zeMq66evVkzqLTz4Y23o0rPnNtKMxGVS3+alm/Mgrv2JX69ZKpTOJjGkSQzk3RlURM80FbulB65IOD/L8V7aBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:32:28.203169Z"},"content_sha256":"3b470be0110c5c04edba6932f15ce23ef0f40b00505178d3514fdba02b7d9894","schema_version":"1.0","event_id":"sha256:3b470be0110c5c04edba6932f15ce23ef0f40b00505178d3514fdba02b7d9894"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:2UBKK6ZOXOFDEYLUZBFJ6XLABT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dichotomy between Attractive and Repulsive Tomonaga-Luttinger Liquids in Spin Ladders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Zheludev, B. Vignolle, C. Berthier, D. Schmidiger, G. Ballon, H. Mayaffre, M. Horvati\\'c, M. Jeong, M. Klanj\\v{s}ek, S. Kr\\\"amer, W. Knafo","submitted_at":"2016-04-18T17:19:35Z","abstract_excerpt":"We present two methods to determine whether the interactions in a Tomonaga-Luttinger liquid (TLL) state of a spin-$1/2$ Heisenberg antiferromagnetic ladder are attractive or repulsive. The first method combines two bulk measurements, of magnetization and specific heat, to deduce the TLL parameter that distinguishes between the attraction and repulsion. The second one is based on a local-probe, NMR measurements of the spin-lattice relaxation. For the strong-leg spin ladder compound $\\mathrm{(C_7H_{10}N)_2CuBr_4}$ we find that the isothermal magnetic field dependence of the relaxation rate, $T_1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05252","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":"2026-05-18T01:06:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R66GnJndkrSQUessWzXqNRrU30MxDijhEnwxoIg+VFRF3URSbTuNRY2TOXrtfD1NdhcUK+QQ0uOgr9smIWvXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:32:28.203791Z"},"content_sha256":"f403e386f9258a1da9856c18adce085f9d24c4f854f57e496eab036b1da65a05","schema_version":"1.0","event_id":"sha256:f403e386f9258a1da9856c18adce085f9d24c4f854f57e496eab036b1da65a05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2UBKK6ZOXOFDEYLUZBFJ6XLABT/bundle.json","state_url":"https://pith.science/pith/2UBKK6ZOXOFDEYLUZBFJ6XLABT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2UBKK6ZOXOFDEYLUZBFJ6XLABT/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":"2026-05-26T00:32:28Z","links":{"resolver":"https://pith.science/pith/2UBKK6ZOXOFDEYLUZBFJ6XLABT","bundle":"https://pith.science/pith/2UBKK6ZOXOFDEYLUZBFJ6XLABT/bundle.json","state":"https://pith.science/pith/2UBKK6ZOXOFDEYLUZBFJ6XLABT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2UBKK6ZOXOFDEYLUZBFJ6XLABT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:2UBKK6ZOXOFDEYLUZBFJ6XLABT","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":"bcc09f9359e00a1876d78980ebb394669378afeb6e0043e53552605be6d2f906","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-04-18T17:19:35Z","title_canon_sha256":"141eba576f0c8c8cd115dd65fcde6f03613dd7c31299474591db9c3c2ecea934"},"schema_version":"1.0","source":{"id":"1604.05252","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05252","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05252v2","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05252","created_at":"2026-05-18T01:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"2UBKK6ZOXOFD","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"2UBKK6ZOXOFDEYLU","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"2UBKK6ZO","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:f403e386f9258a1da9856c18adce085f9d24c4f854f57e496eab036b1da65a05","target":"graph","created_at":"2026-05-18T01:06:28Z","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 present two methods to determine whether the interactions in a Tomonaga-Luttinger liquid (TLL) state of a spin-$1/2$ Heisenberg antiferromagnetic ladder are attractive or repulsive. The first method combines two bulk measurements, of magnetization and specific heat, to deduce the TLL parameter that distinguishes between the attraction and repulsion. The second one is based on a local-probe, NMR measurements of the spin-lattice relaxation. For the strong-leg spin ladder compound $\\mathrm{(C_7H_{10}N)_2CuBr_4}$ we find that the isothermal magnetic field dependence of the relaxation rate, $T_1","authors_text":"A. Zheludev, B. Vignolle, C. Berthier, D. Schmidiger, G. Ballon, H. Mayaffre, M. Horvati\\'c, M. Jeong, M. Klanj\\v{s}ek, S. Kr\\\"amer, W. Knafo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-04-18T17:19:35Z","title":"Dichotomy between Attractive and Repulsive Tomonaga-Luttinger Liquids in Spin Ladders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05252","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":"sha256:3b470be0110c5c04edba6932f15ce23ef0f40b00505178d3514fdba02b7d9894","target":"record","created_at":"2026-05-18T01:06:28Z","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":"bcc09f9359e00a1876d78980ebb394669378afeb6e0043e53552605be6d2f906","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-04-18T17:19:35Z","title_canon_sha256":"141eba576f0c8c8cd115dd65fcde6f03613dd7c31299474591db9c3c2ecea934"},"schema_version":"1.0","source":{"id":"1604.05252","kind":"arxiv","version":2}},"canonical_sha256":"d502a57b2ebb8a326174c84a9f5d600cd3c3de24466ced0956adff7de9e9ed83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d502a57b2ebb8a326174c84a9f5d600cd3c3de24466ced0956adff7de9e9ed83","first_computed_at":"2026-05-18T01:06:28.652566Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:28.652566Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mFjyz7C/EIBI7Q2NGRUCNBfvWBxv214V/QUkFLfaiydEA8/+DQVB52DrUWN0+pI9vm/9Vrb+vZQfwo7KH+rVBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:28.653181Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.05252","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b470be0110c5c04edba6932f15ce23ef0f40b00505178d3514fdba02b7d9894","sha256:f403e386f9258a1da9856c18adce085f9d24c4f854f57e496eab036b1da65a05"],"state_sha256":"5ec3881f77035ee327609d4643122711b0e80900456a2005b83a3ae4386290c5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2zNGBWHuabdwO199C+0D7l370UfiBCvOQv7P56aQVF4xtUbNOYdCOfiQDXOedrYzMO24O2RZvXhNcQp07GdQCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T00:32:28.207133Z","bundle_sha256":"387fbe547e7190cd82b68e445abc055879e0fc2fced9d0ce78f72e166eb2725d"}}