{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BVGCLDJJVD6S2Y4VNPAG6EJRFS","short_pith_number":"pith:BVGCLDJJ","canonical_record":{"source":{"id":"1106.2330","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-12T19:01:56Z","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"title_canon_sha256":"73a792f3c3e4b7bc9e5c3a9f6ff91d7bc6f6e1822d17d50c466925a9c81fb6c3","abstract_canon_sha256":"0319260663d60af5d28fab493d1c3ceff5c9ae493f28d6a1f9dc7068d5657c6e"},"schema_version":"1.0"},"canonical_sha256":"0d4c258d29a8fd2d63956bc06f11312cbdc21162186687d0e185158f789aaaa4","source":{"kind":"arxiv","id":"1106.2330","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.2330","created_at":"2026-05-18T03:25:59Z"},{"alias_kind":"arxiv_version","alias_value":"1106.2330v1","created_at":"2026-05-18T03:25:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.2330","created_at":"2026-05-18T03:25:59Z"},{"alias_kind":"pith_short_12","alias_value":"BVGCLDJJVD6S","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BVGCLDJJVD6S2Y4V","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BVGCLDJJ","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BVGCLDJJVD6S2Y4VNPAG6EJRFS","target":"record","payload":{"canonical_record":{"source":{"id":"1106.2330","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-12T19:01:56Z","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"title_canon_sha256":"73a792f3c3e4b7bc9e5c3a9f6ff91d7bc6f6e1822d17d50c466925a9c81fb6c3","abstract_canon_sha256":"0319260663d60af5d28fab493d1c3ceff5c9ae493f28d6a1f9dc7068d5657c6e"},"schema_version":"1.0"},"canonical_sha256":"0d4c258d29a8fd2d63956bc06f11312cbdc21162186687d0e185158f789aaaa4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:25:59.759367Z","signature_b64":"7ajoZaEM/DfnunvLiWIX60lhRJkSjhrkadrzDiAj+sXj5rsNMcWdoky1vbWGdY7iHIXGHnQLkrtpp3y83VMoDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d4c258d29a8fd2d63956bc06f11312cbdc21162186687d0e185158f789aaaa4","last_reissued_at":"2026-05-18T03:25:59.758750Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:25:59.758750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.2330","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":"2026-05-18T03:25:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dbkq0j53EtK7hIRDkVYQzUIorVTM5lU4BTKqudaI4G2nXhhhlPR2OjJA3tTEuBWrAaFZarEmmCmTdFg697bMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:47:16.437093Z"},"content_sha256":"d93432d6a7427ba6e350de90688366ee82b37c4ff49074a04b5df74ea1dcf526","schema_version":"1.0","event_id":"sha256:d93432d6a7427ba6e350de90688366ee82b37c4ff49074a04b5df74ea1dcf526"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BVGCLDJJVD6S2Y4VNPAG6EJRFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universality class of quantum criticality in the two-dimensional Hubbard model at intermediate temperatures ($t^2/U\\ll T\\ll t$)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Ana Maria Rey, Kaden R. A. Hazzard, Richard T. Scalettar","submitted_at":"2011-06-12T19:01:56Z","abstract_excerpt":"We show that the dilute Fermi gas quantum critical universality class quantitatively describes the Mott/metal crossover of the two-dimensional Hubbard model for temperatures somewhat less than (roughly half) the tunneling but much greater than (roughly twice) the superexchange energy. We calculate the observables expected to be universal near the transition --- density and compressibility --- with numerically exact determinantal quantum Monte Carlo. We find they are universal functions of the chemical potential. Despite arising from the strongly correlated regime of the Hubbard model, these fu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2330","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":"2026-05-18T03:25:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C7gVGrSu4Q4jzMoYDY9lK/cnNUslk0BOqHeCU7JnjhGcscJ6uoyi3DaivSgB8yMkNPtyAigfBaboo65A//nTAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T13:47:16.437452Z"},"content_sha256":"320c6de9f0388faffb274fb0fbdd6c2dc528b484ccf16ffed2b1ddfbc61e3abc","schema_version":"1.0","event_id":"sha256:320c6de9f0388faffb274fb0fbdd6c2dc528b484ccf16ffed2b1ddfbc61e3abc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BVGCLDJJVD6S2Y4VNPAG6EJRFS/bundle.json","state_url":"https://pith.science/pith/BVGCLDJJVD6S2Y4VNPAG6EJRFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BVGCLDJJVD6S2Y4VNPAG6EJRFS/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":"2026-06-04T13:47:16Z","links":{"resolver":"https://pith.science/pith/BVGCLDJJVD6S2Y4VNPAG6EJRFS","bundle":"https://pith.science/pith/BVGCLDJJVD6S2Y4VNPAG6EJRFS/bundle.json","state":"https://pith.science/pith/BVGCLDJJVD6S2Y4VNPAG6EJRFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BVGCLDJJVD6S2Y4VNPAG6EJRFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BVGCLDJJVD6S2Y4VNPAG6EJRFS","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":"0319260663d60af5d28fab493d1c3ceff5c9ae493f28d6a1f9dc7068d5657c6e","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-12T19:01:56Z","title_canon_sha256":"73a792f3c3e4b7bc9e5c3a9f6ff91d7bc6f6e1822d17d50c466925a9c81fb6c3"},"schema_version":"1.0","source":{"id":"1106.2330","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.2330","created_at":"2026-05-18T03:25:59Z"},{"alias_kind":"arxiv_version","alias_value":"1106.2330v1","created_at":"2026-05-18T03:25:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.2330","created_at":"2026-05-18T03:25:59Z"},{"alias_kind":"pith_short_12","alias_value":"BVGCLDJJVD6S","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BVGCLDJJVD6S2Y4V","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BVGCLDJJ","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:320c6de9f0388faffb274fb0fbdd6c2dc528b484ccf16ffed2b1ddfbc61e3abc","target":"graph","created_at":"2026-05-18T03:25:59Z","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 show that the dilute Fermi gas quantum critical universality class quantitatively describes the Mott/metal crossover of the two-dimensional Hubbard model for temperatures somewhat less than (roughly half) the tunneling but much greater than (roughly twice) the superexchange energy. We calculate the observables expected to be universal near the transition --- density and compressibility --- with numerically exact determinantal quantum Monte Carlo. We find they are universal functions of the chemical potential. Despite arising from the strongly correlated regime of the Hubbard model, these fu","authors_text":"Ana Maria Rey, Kaden R. A. Hazzard, Richard T. Scalettar","cross_cats":["cond-mat.quant-gas","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-12T19:01:56Z","title":"Universality class of quantum criticality in the two-dimensional Hubbard model at intermediate temperatures ($t^2/U\\ll T\\ll t$)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2330","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:d93432d6a7427ba6e350de90688366ee82b37c4ff49074a04b5df74ea1dcf526","target":"record","created_at":"2026-05-18T03:25:59Z","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":"0319260663d60af5d28fab493d1c3ceff5c9ae493f28d6a1f9dc7068d5657c6e","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-12T19:01:56Z","title_canon_sha256":"73a792f3c3e4b7bc9e5c3a9f6ff91d7bc6f6e1822d17d50c466925a9c81fb6c3"},"schema_version":"1.0","source":{"id":"1106.2330","kind":"arxiv","version":1}},"canonical_sha256":"0d4c258d29a8fd2d63956bc06f11312cbdc21162186687d0e185158f789aaaa4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d4c258d29a8fd2d63956bc06f11312cbdc21162186687d0e185158f789aaaa4","first_computed_at":"2026-05-18T03:25:59.758750Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:25:59.758750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7ajoZaEM/DfnunvLiWIX60lhRJkSjhrkadrzDiAj+sXj5rsNMcWdoky1vbWGdY7iHIXGHnQLkrtpp3y83VMoDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:25:59.759367Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.2330","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d93432d6a7427ba6e350de90688366ee82b37c4ff49074a04b5df74ea1dcf526","sha256:320c6de9f0388faffb274fb0fbdd6c2dc528b484ccf16ffed2b1ddfbc61e3abc"],"state_sha256":"d66aded21a7eb09b409d3f80ec2228edce9f4e0d2411d23cac2ff7d9d1727a19"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8+aHOPQxbY/J9qfPeT9UO9tJ2ve55PQxb1S1MgQAAJh+wCPFkI8YMfHIbRiTdzchWhaqwRXWHeyAEeABOv7BAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T13:47:16.439980Z","bundle_sha256":"e1dda6ed3f2ad017529c53278ca4f1928b0c410f25b98f04085e89209c0da9a6"}}