{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:AJBSSBVL7TKMKZIMCQC2Y4KG7G","short_pith_number":"pith:AJBSSBVL","canonical_record":{"source":{"id":"1107.0230","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-01T14:08:01Z","cross_cats_sorted":[],"title_canon_sha256":"661de68868d9e53b4a86c59fe9a1ebfc25d1fabca78fe52f324d56274f530176","abstract_canon_sha256":"187582bd5a225e0910596b37163aa2fc093037aa8d1d2998eb8c909f1d8a026d"},"schema_version":"1.0"},"canonical_sha256":"02432906abfcd4c5650c1405ac7146f9bd8498e80dea2455a714fea39c7ddb5c","source":{"kind":"arxiv","id":"1107.0230","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.0230","created_at":"2026-05-18T03:59:25Z"},{"alias_kind":"arxiv_version","alias_value":"1107.0230v3","created_at":"2026-05-18T03:59:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.0230","created_at":"2026-05-18T03:59:25Z"},{"alias_kind":"pith_short_12","alias_value":"AJBSSBVL7TKM","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"AJBSSBVL7TKMKZIM","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"AJBSSBVL","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:AJBSSBVL7TKMKZIMCQC2Y4KG7G","target":"record","payload":{"canonical_record":{"source":{"id":"1107.0230","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-01T14:08:01Z","cross_cats_sorted":[],"title_canon_sha256":"661de68868d9e53b4a86c59fe9a1ebfc25d1fabca78fe52f324d56274f530176","abstract_canon_sha256":"187582bd5a225e0910596b37163aa2fc093037aa8d1d2998eb8c909f1d8a026d"},"schema_version":"1.0"},"canonical_sha256":"02432906abfcd4c5650c1405ac7146f9bd8498e80dea2455a714fea39c7ddb5c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:59:25.414474Z","signature_b64":"lotgLNMFfnfi/sQrYMVrQ8r4D84+w0qune4dq+N7Fd8g/8lPNKeq8QHjM0OkJgmqx7zuYLWerEuB2NdA9xZFCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02432906abfcd4c5650c1405ac7146f9bd8498e80dea2455a714fea39c7ddb5c","last_reissued_at":"2026-05-18T03:59:25.413693Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:59:25.413693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.0230","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:59:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QeBvd3bhI8deOG4IME9wF7FMKVnMoy7/8gfzwyVWrnRIu+zqySq2bj8OsYnjfV2vqbd5pz3bU+U2AMjLAFqsAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:54:14.189536Z"},"content_sha256":"c01b36189a2a999075b21bfa35f65fd73da4b97da37477a4d65b6b5a803e05df","schema_version":"1.0","event_id":"sha256:c01b36189a2a999075b21bfa35f65fd73da4b97da37477a4d65b6b5a803e05df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:AJBSSBVL7TKMKZIMCQC2Y4KG7G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Finite-size effects in transport data from Quantum Monte Carlo simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"K. Bouadim, Raimundo R. dos Santos, Rubem Mondaini, Thereza Paiva","submitted_at":"2011-07-01T14:08:01Z","abstract_excerpt":"We have examined the behavior of the compressibility, the dc-conductivity, the single-particle gap, and the Drude weight as probes of the density-driven metal-insulator transition in the Hubbard model on a square lattice. These quantities have been obtained through determinantal quantum Monte Carlo simulations at finite temperatures on lattices up to 16 X 16 sites. While the compressibility, the dc-conductivity, and the gap are known to suffer from `closed-shell' effects due to the presence of artificial gaps in the spectrum (caused by the finiteness of the lattices), we have established that "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.0230","kind":"arxiv","version":3},"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":"2026-05-18T03:59:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a55MZkNGtcrY4yb9/Mgl2ZJApNeqJUpN7Rl5KevSkoU9BXoR15lmtT2c13oq/7IESb5l+8Lwjt0a4wsXsfuNAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:54:14.190139Z"},"content_sha256":"4ba77238cc029b7cb4f30d900aa9677055df8d047901c6893446966cd1b139de","schema_version":"1.0","event_id":"sha256:4ba77238cc029b7cb4f30d900aa9677055df8d047901c6893446966cd1b139de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AJBSSBVL7TKMKZIMCQC2Y4KG7G/bundle.json","state_url":"https://pith.science/pith/AJBSSBVL7TKMKZIMCQC2Y4KG7G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AJBSSBVL7TKMKZIMCQC2Y4KG7G/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":"2026-05-25T22:54:14Z","links":{"resolver":"https://pith.science/pith/AJBSSBVL7TKMKZIMCQC2Y4KG7G","bundle":"https://pith.science/pith/AJBSSBVL7TKMKZIMCQC2Y4KG7G/bundle.json","state":"https://pith.science/pith/AJBSSBVL7TKMKZIMCQC2Y4KG7G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AJBSSBVL7TKMKZIMCQC2Y4KG7G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:AJBSSBVL7TKMKZIMCQC2Y4KG7G","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":"187582bd5a225e0910596b37163aa2fc093037aa8d1d2998eb8c909f1d8a026d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-01T14:08:01Z","title_canon_sha256":"661de68868d9e53b4a86c59fe9a1ebfc25d1fabca78fe52f324d56274f530176"},"schema_version":"1.0","source":{"id":"1107.0230","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.0230","created_at":"2026-05-18T03:59:25Z"},{"alias_kind":"arxiv_version","alias_value":"1107.0230v3","created_at":"2026-05-18T03:59:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.0230","created_at":"2026-05-18T03:59:25Z"},{"alias_kind":"pith_short_12","alias_value":"AJBSSBVL7TKM","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"AJBSSBVL7TKMKZIM","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"AJBSSBVL","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:4ba77238cc029b7cb4f30d900aa9677055df8d047901c6893446966cd1b139de","target":"graph","created_at":"2026-05-18T03:59:25Z","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 have examined the behavior of the compressibility, the dc-conductivity, the single-particle gap, and the Drude weight as probes of the density-driven metal-insulator transition in the Hubbard model on a square lattice. These quantities have been obtained through determinantal quantum Monte Carlo simulations at finite temperatures on lattices up to 16 X 16 sites. While the compressibility, the dc-conductivity, and the gap are known to suffer from `closed-shell' effects due to the presence of artificial gaps in the spectrum (caused by the finiteness of the lattices), we have established that ","authors_text":"K. Bouadim, Raimundo R. dos Santos, Rubem Mondaini, Thereza Paiva","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-01T14:08:01Z","title":"Finite-size effects in transport data from Quantum Monte Carlo simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.0230","kind":"arxiv","version":3},"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:c01b36189a2a999075b21bfa35f65fd73da4b97da37477a4d65b6b5a803e05df","target":"record","created_at":"2026-05-18T03:59:25Z","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":"187582bd5a225e0910596b37163aa2fc093037aa8d1d2998eb8c909f1d8a026d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-01T14:08:01Z","title_canon_sha256":"661de68868d9e53b4a86c59fe9a1ebfc25d1fabca78fe52f324d56274f530176"},"schema_version":"1.0","source":{"id":"1107.0230","kind":"arxiv","version":3}},"canonical_sha256":"02432906abfcd4c5650c1405ac7146f9bd8498e80dea2455a714fea39c7ddb5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02432906abfcd4c5650c1405ac7146f9bd8498e80dea2455a714fea39c7ddb5c","first_computed_at":"2026-05-18T03:59:25.413693Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:59:25.413693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lotgLNMFfnfi/sQrYMVrQ8r4D84+w0qune4dq+N7Fd8g/8lPNKeq8QHjM0OkJgmqx7zuYLWerEuB2NdA9xZFCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:59:25.414474Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.0230","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c01b36189a2a999075b21bfa35f65fd73da4b97da37477a4d65b6b5a803e05df","sha256:4ba77238cc029b7cb4f30d900aa9677055df8d047901c6893446966cd1b139de"],"state_sha256":"f99d96fc00cda3ac8ed77073fd3aac8992788a6622cb9d0d31cee1722b6890ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IuA0KmgJq3ZuGV3e9VngpPYF4aVy8fMrAM5w9yfpWg626qX0kkvBktC1vMYt/wLrYKfkFxNNxtcedS3v4ZfiAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:54:14.193010Z","bundle_sha256":"5b0090c2b046e76ee25fb93d0f5f962edb2ed2a714a43b29cdb4d7c57429f528"}}