{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:CRZ55MRPAVECRQ3SROIFHNPASZ","short_pith_number":"pith:CRZ55MRP","canonical_record":{"source":{"id":"1704.01973","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-06T18:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"0767c748d78f3ea10208314a7c09d2895f04c21cf2c90de132f0c966ddfeec29","abstract_canon_sha256":"ae23802f695ca00dbc19e5c98c50f21e9cd855570d560d8d9d4ccd0107029388"},"schema_version":"1.0"},"canonical_sha256":"1473deb22f054828c3728b9053b5e0965bf6555e16024fb4cc34838722a37570","source":{"kind":"arxiv","id":"1704.01973","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.01973","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"arxiv_version","alias_value":"1704.01973v2","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.01973","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"pith_short_12","alias_value":"CRZ55MRPAVEC","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CRZ55MRPAVECRQ3S","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CRZ55MRP","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:CRZ55MRPAVECRQ3SROIFHNPASZ","target":"record","payload":{"canonical_record":{"source":{"id":"1704.01973","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-06T18:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"0767c748d78f3ea10208314a7c09d2895f04c21cf2c90de132f0c966ddfeec29","abstract_canon_sha256":"ae23802f695ca00dbc19e5c98c50f21e9cd855570d560d8d9d4ccd0107029388"},"schema_version":"1.0"},"canonical_sha256":"1473deb22f054828c3728b9053b5e0965bf6555e16024fb4cc34838722a37570","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:01.235313Z","signature_b64":"T2wc+iC+As4SUjEPmt9MTkIGYMW486mdBv0hRcfuuHsaYMBjX3w2P6FljQVT4NKyPh/iOr+qkDhu8Hqh1IKKAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1473deb22f054828c3728b9053b5e0965bf6555e16024fb4cc34838722a37570","last_reissued_at":"2026-05-18T00:40:01.234895Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:01.234895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.01973","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":"2026-05-18T00:40:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"72sTxAdv8juhT1o7ZmVMSJ0Xo2hmcGOikV40W6WLrgrQ6pX4nFRKBaE7Vizdceo2Z6OTOmYOtlTBYSIewcTwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:31:58.558924Z"},"content_sha256":"f48944105f42ed0878be8bff49b84d860b72224aa90801b815a23c6ab138d549","schema_version":"1.0","event_id":"sha256:f48944105f42ed0878be8bff49b84d860b72224aa90801b815a23c6ab138d549"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:CRZ55MRPAVECRQ3SROIFHNPASZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient Quantum Monte Carlo simulations of highly frustrated magnets: the frustrated spin-1/2 ladder","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Andreas Honecker, B. Normand, Fr\\'ed\\'eric Mila, Stefan Wessel","submitted_at":"2017-04-06T18:00:10Z","abstract_excerpt":"Quantum Monte Carlo simulations provide one of the more powerful and versatile numerical approaches to condensed matter systems. However, their application to frustrated quantum spin models, in all relevant temperature regimes, is hamstrung by the infamous \"sign problem.\" Here we exploit the fact that the sign problem is basis-dependent. Recent studies have shown that passing to a dimer (two-site) basis eliminates the sign problem completely for a fully frustrated spin model on the two-leg ladder. We generalize this result to all partially frustrated two-leg spin-1/2 ladders, meaning those whe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.01973","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":"2026-05-18T00:40:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hQ9W+8sYw22vqyn4yG7MEZZz8Wjork4Cz1NIte+GqKjpFYBQBYP1oiAlJn4PL8RASEqfJxAx7zNK7Jq9RPo0Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:31:58.559268Z"},"content_sha256":"7a6aae8fff074105f8ab5b381597aad3911ac856f41607d871768fb3ba607da9","schema_version":"1.0","event_id":"sha256:7a6aae8fff074105f8ab5b381597aad3911ac856f41607d871768fb3ba607da9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CRZ55MRPAVECRQ3SROIFHNPASZ/bundle.json","state_url":"https://pith.science/pith/CRZ55MRPAVECRQ3SROIFHNPASZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CRZ55MRPAVECRQ3SROIFHNPASZ/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":"2026-06-05T18:31:58Z","links":{"resolver":"https://pith.science/pith/CRZ55MRPAVECRQ3SROIFHNPASZ","bundle":"https://pith.science/pith/CRZ55MRPAVECRQ3SROIFHNPASZ/bundle.json","state":"https://pith.science/pith/CRZ55MRPAVECRQ3SROIFHNPASZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CRZ55MRPAVECRQ3SROIFHNPASZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:CRZ55MRPAVECRQ3SROIFHNPASZ","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":"ae23802f695ca00dbc19e5c98c50f21e9cd855570d560d8d9d4ccd0107029388","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-06T18:00:10Z","title_canon_sha256":"0767c748d78f3ea10208314a7c09d2895f04c21cf2c90de132f0c966ddfeec29"},"schema_version":"1.0","source":{"id":"1704.01973","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.01973","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"arxiv_version","alias_value":"1704.01973v2","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.01973","created_at":"2026-05-18T00:40:01Z"},{"alias_kind":"pith_short_12","alias_value":"CRZ55MRPAVEC","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CRZ55MRPAVECRQ3S","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CRZ55MRP","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:7a6aae8fff074105f8ab5b381597aad3911ac856f41607d871768fb3ba607da9","target":"graph","created_at":"2026-05-18T00:40:01Z","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":"Quantum Monte Carlo simulations provide one of the more powerful and versatile numerical approaches to condensed matter systems. However, their application to frustrated quantum spin models, in all relevant temperature regimes, is hamstrung by the infamous \"sign problem.\" Here we exploit the fact that the sign problem is basis-dependent. Recent studies have shown that passing to a dimer (two-site) basis eliminates the sign problem completely for a fully frustrated spin model on the two-leg ladder. We generalize this result to all partially frustrated two-leg spin-1/2 ladders, meaning those whe","authors_text":"Andreas Honecker, B. Normand, Fr\\'ed\\'eric Mila, Stefan Wessel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-06T18:00:10Z","title":"Efficient Quantum Monte Carlo simulations of highly frustrated magnets: the frustrated spin-1/2 ladder"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.01973","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:f48944105f42ed0878be8bff49b84d860b72224aa90801b815a23c6ab138d549","target":"record","created_at":"2026-05-18T00:40:01Z","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":"ae23802f695ca00dbc19e5c98c50f21e9cd855570d560d8d9d4ccd0107029388","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-06T18:00:10Z","title_canon_sha256":"0767c748d78f3ea10208314a7c09d2895f04c21cf2c90de132f0c966ddfeec29"},"schema_version":"1.0","source":{"id":"1704.01973","kind":"arxiv","version":2}},"canonical_sha256":"1473deb22f054828c3728b9053b5e0965bf6555e16024fb4cc34838722a37570","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1473deb22f054828c3728b9053b5e0965bf6555e16024fb4cc34838722a37570","first_computed_at":"2026-05-18T00:40:01.234895Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:01.234895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T2wc+iC+As4SUjEPmt9MTkIGYMW486mdBv0hRcfuuHsaYMBjX3w2P6FljQVT4NKyPh/iOr+qkDhu8Hqh1IKKAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:01.235313Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.01973","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f48944105f42ed0878be8bff49b84d860b72224aa90801b815a23c6ab138d549","sha256:7a6aae8fff074105f8ab5b381597aad3911ac856f41607d871768fb3ba607da9"],"state_sha256":"8be405c05e43be9ff9d287c4ff8a2c6f99bc4fc81436540c99db198c5d316263"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QgrpEfR3C3Y4Vf6PEapXT/OpvP+i8yLACNqakfFxy/x4PidimacTlgPOTqdP1WnJ21xHhD1CWeo5GqDD5vD6Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T18:31:58.561184Z","bundle_sha256":"2047fb72b0bffc10a552305be182e9a9721542310d67e6c443e81ea66f43f397"}}