{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IQL2PYOJMA5YY3H2QQSQR5OXX4","short_pith_number":"pith:IQL2PYOJ","canonical_record":{"source":{"id":"1510.07454","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-26T12:31:07Z","cross_cats_sorted":[],"title_canon_sha256":"310479ae252954a902217d3781562a7a06f1e4cc9fd070a21018a304708008ca","abstract_canon_sha256":"c17d98b78cbcad409442bb73cbc5109021af299b98efe40476780acc6888308c"},"schema_version":"1.0"},"canonical_sha256":"4417a7e1c9603b8c6cfa842508f5d7bf3b32d6cd6a6fd1ae1514f94a2e2e6be6","source":{"kind":"arxiv","id":"1510.07454","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.07454","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"1510.07454v2","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.07454","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"IQL2PYOJMA5Y","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IQL2PYOJMA5YY3H2","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IQL2PYOJ","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IQL2PYOJMA5YY3H2QQSQR5OXX4","target":"record","payload":{"canonical_record":{"source":{"id":"1510.07454","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-26T12:31:07Z","cross_cats_sorted":[],"title_canon_sha256":"310479ae252954a902217d3781562a7a06f1e4cc9fd070a21018a304708008ca","abstract_canon_sha256":"c17d98b78cbcad409442bb73cbc5109021af299b98efe40476780acc6888308c"},"schema_version":"1.0"},"canonical_sha256":"4417a7e1c9603b8c6cfa842508f5d7bf3b32d6cd6a6fd1ae1514f94a2e2e6be6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:44.251116Z","signature_b64":"j5pYILoe3yaLKUMSPQ2oL4c6+spRMSp1Z4+nSe4Y8dd+FAI5q38bY03sfplszWD7E9xMytbhLacAS4f67DbNDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4417a7e1c9603b8c6cfa842508f5d7bf3b32d6cd6a6fd1ae1514f94a2e2e6be6","last_reissued_at":"2026-05-18T01:23:44.250459Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:44.250459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.07454","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":"2026-05-18T01:23:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YQyxuFz7UjtyAh9DNWvZygHI6ohPAjpAlqN/JJ7jCiFq82DX+eirG/w/BLcDPKH3My23jp5HpVL2KhzIvdKVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T22:45:13.102980Z"},"content_sha256":"fec5f2d93ae575eda5d5d175262c0dfb9e93c866747bd24be1b922802ba50ed7","schema_version":"1.0","event_id":"sha256:fec5f2d93ae575eda5d5d175262c0dfb9e93c866747bd24be1b922802ba50ed7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IQL2PYOJMA5YY3H2QQSQR5OXX4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Finite-size effects in Luther-Emery phases of Holstein and Hubbard models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"F. F. Assaad, J. Greitemann, M. Hohenadler, S. Hesselmann, S. Wessel","submitted_at":"2015-10-26T12:31:07Z","abstract_excerpt":"The one-dimensional Holstein model and its generalizations have been studied extensively to understand the effects of electron-phonon interaction. The half-filled case is of particular interest, as it describes a transition from a metallic phase with a spin gap due to attractive backscattering to a Peierls insulator with charge-density-wave (CDW) order. Our quantum Monte Carlo results support the existence of a metallic phase with dominant power-law charge correlations, as described by the Luther-Emery fixed point. We demonstrate that for Holstein and also for purely fermionic models the spin "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.07454","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":"2026-05-18T01:23:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NSoy0oAHJdnPdlPFousxsTmBLKW1ABqaDHKXkvz+kK8RrXg3kNeiaFAldciAsWSeVUkJnIDz/5La5EHfjZ+ZAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T22:45:13.103492Z"},"content_sha256":"cff5a3dc63197cabe5b351fdf875bb64a0535d6427fdb576d683368e8d97f588","schema_version":"1.0","event_id":"sha256:cff5a3dc63197cabe5b351fdf875bb64a0535d6427fdb576d683368e8d97f588"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IQL2PYOJMA5YY3H2QQSQR5OXX4/bundle.json","state_url":"https://pith.science/pith/IQL2PYOJMA5YY3H2QQSQR5OXX4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IQL2PYOJMA5YY3H2QQSQR5OXX4/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":"2026-05-21T22:45:13Z","links":{"resolver":"https://pith.science/pith/IQL2PYOJMA5YY3H2QQSQR5OXX4","bundle":"https://pith.science/pith/IQL2PYOJMA5YY3H2QQSQR5OXX4/bundle.json","state":"https://pith.science/pith/IQL2PYOJMA5YY3H2QQSQR5OXX4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IQL2PYOJMA5YY3H2QQSQR5OXX4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IQL2PYOJMA5YY3H2QQSQR5OXX4","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":"c17d98b78cbcad409442bb73cbc5109021af299b98efe40476780acc6888308c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-26T12:31:07Z","title_canon_sha256":"310479ae252954a902217d3781562a7a06f1e4cc9fd070a21018a304708008ca"},"schema_version":"1.0","source":{"id":"1510.07454","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.07454","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"1510.07454v2","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.07454","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"IQL2PYOJMA5Y","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IQL2PYOJMA5YY3H2","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IQL2PYOJ","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:cff5a3dc63197cabe5b351fdf875bb64a0535d6427fdb576d683368e8d97f588","target":"graph","created_at":"2026-05-18T01:23:44Z","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":"The one-dimensional Holstein model and its generalizations have been studied extensively to understand the effects of electron-phonon interaction. The half-filled case is of particular interest, as it describes a transition from a metallic phase with a spin gap due to attractive backscattering to a Peierls insulator with charge-density-wave (CDW) order. Our quantum Monte Carlo results support the existence of a metallic phase with dominant power-law charge correlations, as described by the Luther-Emery fixed point. We demonstrate that for Holstein and also for purely fermionic models the spin ","authors_text":"F. F. Assaad, J. Greitemann, M. Hohenadler, S. Hesselmann, S. Wessel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-26T12:31:07Z","title":"Finite-size effects in Luther-Emery phases of Holstein and Hubbard models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.07454","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:fec5f2d93ae575eda5d5d175262c0dfb9e93c866747bd24be1b922802ba50ed7","target":"record","created_at":"2026-05-18T01:23:44Z","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":"c17d98b78cbcad409442bb73cbc5109021af299b98efe40476780acc6888308c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-26T12:31:07Z","title_canon_sha256":"310479ae252954a902217d3781562a7a06f1e4cc9fd070a21018a304708008ca"},"schema_version":"1.0","source":{"id":"1510.07454","kind":"arxiv","version":2}},"canonical_sha256":"4417a7e1c9603b8c6cfa842508f5d7bf3b32d6cd6a6fd1ae1514f94a2e2e6be6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4417a7e1c9603b8c6cfa842508f5d7bf3b32d6cd6a6fd1ae1514f94a2e2e6be6","first_computed_at":"2026-05-18T01:23:44.250459Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:44.250459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j5pYILoe3yaLKUMSPQ2oL4c6+spRMSp1Z4+nSe4Y8dd+FAI5q38bY03sfplszWD7E9xMytbhLacAS4f67DbNDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:44.251116Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.07454","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fec5f2d93ae575eda5d5d175262c0dfb9e93c866747bd24be1b922802ba50ed7","sha256:cff5a3dc63197cabe5b351fdf875bb64a0535d6427fdb576d683368e8d97f588"],"state_sha256":"10b40382b84a2afb5ba845463bb416e5eb2d1f2c730801e12e79ea6a4f9a58ce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nQEYOjEXKvyQ0oQCReMLsoCOwhjbBLKWval4+kzzMW9LeDKpfw8rUGdno/6EfU7UPjnv0X0u1ZXkTMIO19IhBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T22:45:13.105958Z","bundle_sha256":"71f36e96cc586594caec615898e2d60300a252687cd0ce46522c790458bf710b"}}