{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:XLF4ENRXQYRPPI2HO4PUDODXT4","short_pith_number":"pith:XLF4ENRX","canonical_record":{"source":{"id":"cond-mat/0001442","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-01-31T11:20:11Z","cross_cats_sorted":[],"title_canon_sha256":"fc9eb63b6181452db7bb0d0ed37cf1f29df706a0aaf9c239eb1de2da2b35f650","abstract_canon_sha256":"e5414b8b0eba70afe53f04c575367bd6202e1b672a42ff83cbb14a97f6ac0f42"},"schema_version":"1.0"},"canonical_sha256":"bacbc236378622f7a347771f41b8779f142be7524ed74beb7208d48a69c22da9","source":{"kind":"arxiv","id":"cond-mat/0001442","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0001442","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0001442v1","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0001442","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"pith_short_12","alias_value":"XLF4ENRXQYRP","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"XLF4ENRXQYRPPI2H","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"XLF4ENRX","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:XLF4ENRXQYRPPI2HO4PUDODXT4","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0001442","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-01-31T11:20:11Z","cross_cats_sorted":[],"title_canon_sha256":"fc9eb63b6181452db7bb0d0ed37cf1f29df706a0aaf9c239eb1de2da2b35f650","abstract_canon_sha256":"e5414b8b0eba70afe53f04c575367bd6202e1b672a42ff83cbb14a97f6ac0f42"},"schema_version":"1.0"},"canonical_sha256":"bacbc236378622f7a347771f41b8779f142be7524ed74beb7208d48a69c22da9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:13.599197Z","signature_b64":"wYsvJK20UpIPIeEJPiHBQ/OjlZghj8sEkvBZxaNprY67EKt60NYzCs7V0RRwtyF4b0pQMhvcNa3oBBHIlfZPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bacbc236378622f7a347771f41b8779f142be7524ed74beb7208d48a69c22da9","last_reissued_at":"2026-05-18T01:07:13.598630Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:13.598630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0001442","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":"2026-05-18T01:07:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1NDp1iUn7eP1Sy2Ee0/S0pHu+5Yh93JJM58wwaH7oaYz0P5K+2rjppSDIEYMiAPZRzVahUprOoqIYy7NmvfcBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:54:11.576369Z"},"content_sha256":"64b420069e72d9016ca855dac0dec19a74fc97c2e1fc9a6a18639b10740173cc","schema_version":"1.0","event_id":"sha256:64b420069e72d9016ca855dac0dec19a74fc97c2e1fc9a6a18639b10740173cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:XLF4ENRXQYRPPI2HO4PUDODXT4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A numerical study of the formation of magnetisation plateaus in quasi one-dimensional spin-1/2 Heisenberg models","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Fledderjohann, K.-H.Muetter, M. Karbach, R.M. Wiessner","submitted_at":"2000-01-31T11:20:11Z","abstract_excerpt":"We study the magnetisation process of the one dimensional spin-1/2 antiferromagnetic Heisenberg model with modulated couplings over j=1,2,3 sites. It turns out that the evolution of magnetisation plateaus depends on j and on the wave number q of the modulation according to the rule of Oshikawa, et al. A mapping of two- and three-leg zig-zag ladders on one dimensional systems with modulated couplings yields predictions for the occurence of magnetization plateaus. The latter are tested by numerical computations with the DMRG algorithm."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0001442","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":"2026-05-18T01:07:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"846jEnoNlb7WpkTK3k/TUh3jLN3vWanJ5SDoW08So0Fof8IrKrGTZNk1rML70jKJkqDzBv7CjoFP9+kH9PCsAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:54:11.577079Z"},"content_sha256":"10b106c87ac6a9b524b769119bab9cf5cadc26dfd4a48927b00fe69365f23072","schema_version":"1.0","event_id":"sha256:10b106c87ac6a9b524b769119bab9cf5cadc26dfd4a48927b00fe69365f23072"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XLF4ENRXQYRPPI2HO4PUDODXT4/bundle.json","state_url":"https://pith.science/pith/XLF4ENRXQYRPPI2HO4PUDODXT4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XLF4ENRXQYRPPI2HO4PUDODXT4/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":"2026-05-30T06:54:11Z","links":{"resolver":"https://pith.science/pith/XLF4ENRXQYRPPI2HO4PUDODXT4","bundle":"https://pith.science/pith/XLF4ENRXQYRPPI2HO4PUDODXT4/bundle.json","state":"https://pith.science/pith/XLF4ENRXQYRPPI2HO4PUDODXT4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XLF4ENRXQYRPPI2HO4PUDODXT4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:XLF4ENRXQYRPPI2HO4PUDODXT4","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":"e5414b8b0eba70afe53f04c575367bd6202e1b672a42ff83cbb14a97f6ac0f42","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-01-31T11:20:11Z","title_canon_sha256":"fc9eb63b6181452db7bb0d0ed37cf1f29df706a0aaf9c239eb1de2da2b35f650"},"schema_version":"1.0","source":{"id":"cond-mat/0001442","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0001442","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0001442v1","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0001442","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"pith_short_12","alias_value":"XLF4ENRXQYRP","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"XLF4ENRXQYRPPI2H","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"XLF4ENRX","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:10b106c87ac6a9b524b769119bab9cf5cadc26dfd4a48927b00fe69365f23072","target":"graph","created_at":"2026-05-18T01:07:13Z","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 magnetisation process of the one dimensional spin-1/2 antiferromagnetic Heisenberg model with modulated couplings over j=1,2,3 sites. It turns out that the evolution of magnetisation plateaus depends on j and on the wave number q of the modulation according to the rule of Oshikawa, et al. A mapping of two- and three-leg zig-zag ladders on one dimensional systems with modulated couplings yields predictions for the occurence of magnetization plateaus. The latter are tested by numerical computations with the DMRG algorithm.","authors_text":"A. Fledderjohann, K.-H.Muetter, M. Karbach, R.M. Wiessner","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-01-31T11:20:11Z","title":"A numerical study of the formation of magnetisation plateaus in quasi one-dimensional spin-1/2 Heisenberg models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0001442","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":"sha256:64b420069e72d9016ca855dac0dec19a74fc97c2e1fc9a6a18639b10740173cc","target":"record","created_at":"2026-05-18T01:07:13Z","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":"e5414b8b0eba70afe53f04c575367bd6202e1b672a42ff83cbb14a97f6ac0f42","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2000-01-31T11:20:11Z","title_canon_sha256":"fc9eb63b6181452db7bb0d0ed37cf1f29df706a0aaf9c239eb1de2da2b35f650"},"schema_version":"1.0","source":{"id":"cond-mat/0001442","kind":"arxiv","version":1}},"canonical_sha256":"bacbc236378622f7a347771f41b8779f142be7524ed74beb7208d48a69c22da9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bacbc236378622f7a347771f41b8779f142be7524ed74beb7208d48a69c22da9","first_computed_at":"2026-05-18T01:07:13.598630Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:13.598630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wYsvJK20UpIPIeEJPiHBQ/OjlZghj8sEkvBZxaNprY67EKt60NYzCs7V0RRwtyF4b0pQMhvcNa3oBBHIlfZPDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:13.599197Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0001442","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64b420069e72d9016ca855dac0dec19a74fc97c2e1fc9a6a18639b10740173cc","sha256:10b106c87ac6a9b524b769119bab9cf5cadc26dfd4a48927b00fe69365f23072"],"state_sha256":"441beeccf33821bb48f72f4418c2945e8b3caa656fc678e57b6b26b3953ac1b8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GHa+3ju+f+xouy8tGhHl01swec63Wx0YTwQEBMCSxLd7ANTD2GZUbjOQxFdtOWkDQ2eZX9FkyyuAUvzJ6e6RAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:54:11.581530Z","bundle_sha256":"730e72da83c68d0900d874918474c707e05614bf6853b0c7df0918f31319b385"}}