{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ASV547MLRTUQHIK5IRUFGQ3N3F","short_pith_number":"pith:ASV547ML","canonical_record":{"source":{"id":"1008.2117","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-08-12T14:10:32Z","cross_cats_sorted":[],"title_canon_sha256":"1970feb4fccab2f932320ab7e62c29af0049d9c393fa968757d1e7c361e5e3c7","abstract_canon_sha256":"b659f43dc61ea08bb1d5a6b8b491a4ab2e35ad5c15d951f2ea302e84039557ac"},"schema_version":"1.0"},"canonical_sha256":"04abde7d8b8ce903a15d446853436dd94d59966664c76eb9fe6b9e8965629bb1","source":{"kind":"arxiv","id":"1008.2117","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2117","created_at":"2026-05-18T03:50:11Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2117v2","created_at":"2026-05-18T03:50:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2117","created_at":"2026-05-18T03:50:11Z"},{"alias_kind":"pith_short_12","alias_value":"ASV547MLRTUQ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"ASV547MLRTUQHIK5","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"ASV547ML","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ASV547MLRTUQHIK5IRUFGQ3N3F","target":"record","payload":{"canonical_record":{"source":{"id":"1008.2117","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-08-12T14:10:32Z","cross_cats_sorted":[],"title_canon_sha256":"1970feb4fccab2f932320ab7e62c29af0049d9c393fa968757d1e7c361e5e3c7","abstract_canon_sha256":"b659f43dc61ea08bb1d5a6b8b491a4ab2e35ad5c15d951f2ea302e84039557ac"},"schema_version":"1.0"},"canonical_sha256":"04abde7d8b8ce903a15d446853436dd94d59966664c76eb9fe6b9e8965629bb1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:50:11.132502Z","signature_b64":"BBozYk9ClmSw7WQT80/kCaf0OYRw8nw2SgH7Olnjvf3CH/A2Ys9dfxdmTiqJd0sgh9/fHXTWNYhhVWtlvE5SCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04abde7d8b8ce903a15d446853436dd94d59966664c76eb9fe6b9e8965629bb1","last_reissued_at":"2026-05-18T03:50:11.131677Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:50:11.131677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.2117","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":"2026-05-18T03:50:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ERCdWC3sHOHbeC80lw2C5QvTp7PfmaoFqtIAgdpxfaSgPZrvdpXmV5fg4LazAd209SJ1P0tOYQHtSUgZ9zlLCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T11:23:41.382858Z"},"content_sha256":"ad674fd6429076ba47ba8848f06ed0ac7156da0d9c184bde3c45236ac3b3511f","schema_version":"1.0","event_id":"sha256:ad674fd6429076ba47ba8848f06ed0ac7156da0d9c184bde3c45236ac3b3511f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ASV547MLRTUQHIK5IRUFGQ3N3F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Numerical study of the one-dimensional quantum compass model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Saeed Mahdavifar","submitted_at":"2010-08-12T14:10:32Z","abstract_excerpt":"The ground state magnetic phase diagram of the one-dimensional quantum compass model (QCM) is studied using the numerical Lanczos method. A detailed numerical analysis of the low energy excitation spectrum is presented. The energy gap and the spin-spin correlation functions are calculated for finite chains. Two kind of the magnetic long-range orders, the Neel and a type of the stripe-antiferromagnet, in the ground state phase diagram are identified. Based on the numerical analysis, the first and second order quantum phase transitions in the ground state phase diagram are identified."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2117","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":"2026-05-18T03:50:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GltpVvGwtp7dHvqa9/7m741HQFRJcpVDkyvtYzTv++i/IUIlVeNcE2/sLcdW2BUCtQd2BGgOJDpV3edAmJhvDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T11:23:41.383189Z"},"content_sha256":"625c19c9b7a6f7e430333805ae221be0d4b774be474fa31b399b7fc5d308086f","schema_version":"1.0","event_id":"sha256:625c19c9b7a6f7e430333805ae221be0d4b774be474fa31b399b7fc5d308086f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ASV547MLRTUQHIK5IRUFGQ3N3F/bundle.json","state_url":"https://pith.science/pith/ASV547MLRTUQHIK5IRUFGQ3N3F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ASV547MLRTUQHIK5IRUFGQ3N3F/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":"2026-06-29T11:23:41Z","links":{"resolver":"https://pith.science/pith/ASV547MLRTUQHIK5IRUFGQ3N3F","bundle":"https://pith.science/pith/ASV547MLRTUQHIK5IRUFGQ3N3F/bundle.json","state":"https://pith.science/pith/ASV547MLRTUQHIK5IRUFGQ3N3F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ASV547MLRTUQHIK5IRUFGQ3N3F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ASV547MLRTUQHIK5IRUFGQ3N3F","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":"b659f43dc61ea08bb1d5a6b8b491a4ab2e35ad5c15d951f2ea302e84039557ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-08-12T14:10:32Z","title_canon_sha256":"1970feb4fccab2f932320ab7e62c29af0049d9c393fa968757d1e7c361e5e3c7"},"schema_version":"1.0","source":{"id":"1008.2117","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2117","created_at":"2026-05-18T03:50:11Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2117v2","created_at":"2026-05-18T03:50:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2117","created_at":"2026-05-18T03:50:11Z"},{"alias_kind":"pith_short_12","alias_value":"ASV547MLRTUQ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"ASV547MLRTUQHIK5","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"ASV547ML","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:625c19c9b7a6f7e430333805ae221be0d4b774be474fa31b399b7fc5d308086f","target":"graph","created_at":"2026-05-18T03:50:11Z","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 ground state magnetic phase diagram of the one-dimensional quantum compass model (QCM) is studied using the numerical Lanczos method. A detailed numerical analysis of the low energy excitation spectrum is presented. The energy gap and the spin-spin correlation functions are calculated for finite chains. Two kind of the magnetic long-range orders, the Neel and a type of the stripe-antiferromagnet, in the ground state phase diagram are identified. Based on the numerical analysis, the first and second order quantum phase transitions in the ground state phase diagram are identified.","authors_text":"Saeed Mahdavifar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-08-12T14:10:32Z","title":"Numerical study of the one-dimensional quantum compass model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2117","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:ad674fd6429076ba47ba8848f06ed0ac7156da0d9c184bde3c45236ac3b3511f","target":"record","created_at":"2026-05-18T03:50:11Z","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":"b659f43dc61ea08bb1d5a6b8b491a4ab2e35ad5c15d951f2ea302e84039557ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-08-12T14:10:32Z","title_canon_sha256":"1970feb4fccab2f932320ab7e62c29af0049d9c393fa968757d1e7c361e5e3c7"},"schema_version":"1.0","source":{"id":"1008.2117","kind":"arxiv","version":2}},"canonical_sha256":"04abde7d8b8ce903a15d446853436dd94d59966664c76eb9fe6b9e8965629bb1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"04abde7d8b8ce903a15d446853436dd94d59966664c76eb9fe6b9e8965629bb1","first_computed_at":"2026-05-18T03:50:11.131677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:50:11.131677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BBozYk9ClmSw7WQT80/kCaf0OYRw8nw2SgH7Olnjvf3CH/A2Ys9dfxdmTiqJd0sgh9/fHXTWNYhhVWtlvE5SCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:50:11.132502Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.2117","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad674fd6429076ba47ba8848f06ed0ac7156da0d9c184bde3c45236ac3b3511f","sha256:625c19c9b7a6f7e430333805ae221be0d4b774be474fa31b399b7fc5d308086f"],"state_sha256":"d816ddd1dc5c0f9261c5ea61586d30f42289273198a844b92527f2af454121dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FVeDpqd8i8RzTjBBXljOyxd1F7Pq581/SdvrTbz9wiodT9iaWd40SSzOKf79wAPs7QiWJnqWx+WbUJtx7gL3BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T11:23:41.385023Z","bundle_sha256":"d85dea7c548b90cbec44b50c7288d0234841a5403ec6aba96fed422abeb9404a"}}