{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:R2JFFLRDPFX6M4POSTOVGT7TNX","short_pith_number":"pith:R2JFFLRD","canonical_record":{"source":{"id":"1705.02039","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-05-04T22:40:01Z","cross_cats_sorted":["physics.atom-ph","quant-ph"],"title_canon_sha256":"05bfbe48de664da0e6fd9dd27eb1040a34e7d8de8c91f45ae62bfcf240f8569a","abstract_canon_sha256":"6e7b878b06404ee7a3bb1d0af32b8834c6e84209b1c1a44ecb001f546df88955"},"schema_version":"1.0"},"canonical_sha256":"8e9252ae23796fe671ee94dd534ff36deac79ca5eaa8ba089e8a21145998f056","source":{"kind":"arxiv","id":"1705.02039","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02039","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02039v1","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02039","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"pith_short_12","alias_value":"R2JFFLRDPFX6","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"R2JFFLRDPFX6M4PO","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"R2JFFLRD","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:R2JFFLRDPFX6M4POSTOVGT7TNX","target":"record","payload":{"canonical_record":{"source":{"id":"1705.02039","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-05-04T22:40:01Z","cross_cats_sorted":["physics.atom-ph","quant-ph"],"title_canon_sha256":"05bfbe48de664da0e6fd9dd27eb1040a34e7d8de8c91f45ae62bfcf240f8569a","abstract_canon_sha256":"6e7b878b06404ee7a3bb1d0af32b8834c6e84209b1c1a44ecb001f546df88955"},"schema_version":"1.0"},"canonical_sha256":"8e9252ae23796fe671ee94dd534ff36deac79ca5eaa8ba089e8a21145998f056","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:39.916493Z","signature_b64":"zm1+sHLcvTQcHBVGTZ7iqyxbVhVR2XAOxbWI9Bx/mbhBSCEeHm3OZthHw2IVjRB72LWCsz44BRWTyOdS0ssfBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e9252ae23796fe671ee94dd534ff36deac79ca5eaa8ba089e8a21145998f056","last_reissued_at":"2026-05-18T00:22:39.915895Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:39.915895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.02039","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":"2026-05-18T00:22:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ivH10FTeBGM4uldb/9HlaGLkMEtn2sHoXSMd6UwTO3QX4xcrTICuPKCNxILQR13xKR5IK4xFm/Hu3QogVGQkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:09:48.529048Z"},"content_sha256":"f937d5341399a3dba51003005e7fa8d421c48dcb532d909db1585ff354516e01","schema_version":"1.0","event_id":"sha256:f937d5341399a3dba51003005e7fa8d421c48dcb532d909db1585ff354516e01"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:R2JFFLRDPFX6M4POSTOVGT7TNX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum gas microscopy of an attractive Fermi-Hubbard system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"David A. Huse, Debayan Mitra, Elmer Guardado-Sanchez, Peter Schauss, Peter T. Brown, Stanimir S. Kondov, Trithep Devakul, Waseem S. Bakr","submitted_at":"2017-05-04T22:40:01Z","abstract_excerpt":"The attractive Fermi-Hubbard model is the simplest theoretical model for studying pairing and superconductivity of fermions on a lattice. Although its s-wave pairing symmetry excludes it as a microscopic model for high-temperature superconductivity, it exhibits much of the relevant phenomenology, including a short-coherence length at intermediate coupling and a pseudogap regime with anomalous properties. Here we study an experimental realization of this model using a two-dimensional (2D) atomic Fermi gas in an optical lattice. Our site-resolved measurements on the normal state reveal checkerbo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02039","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":"2026-05-18T00:22:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j8XwZ1R45EpxevUw4KZ1yfZriDuVZ81Pgs/T41dj7KdfQ7O6bkQBYH597FTYmRqSQGoSVw+YVplg96etExDuBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:09:48.529508Z"},"content_sha256":"837ae405159960ce62e196c23663cb0051f1784d22bb896d6ad76916dd89a5ad","schema_version":"1.0","event_id":"sha256:837ae405159960ce62e196c23663cb0051f1784d22bb896d6ad76916dd89a5ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R2JFFLRDPFX6M4POSTOVGT7TNX/bundle.json","state_url":"https://pith.science/pith/R2JFFLRDPFX6M4POSTOVGT7TNX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R2JFFLRDPFX6M4POSTOVGT7TNX/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":"2026-05-26T11:09:48Z","links":{"resolver":"https://pith.science/pith/R2JFFLRDPFX6M4POSTOVGT7TNX","bundle":"https://pith.science/pith/R2JFFLRDPFX6M4POSTOVGT7TNX/bundle.json","state":"https://pith.science/pith/R2JFFLRDPFX6M4POSTOVGT7TNX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R2JFFLRDPFX6M4POSTOVGT7TNX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:R2JFFLRDPFX6M4POSTOVGT7TNX","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":"6e7b878b06404ee7a3bb1d0af32b8834c6e84209b1c1a44ecb001f546df88955","cross_cats_sorted":["physics.atom-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-05-04T22:40:01Z","title_canon_sha256":"05bfbe48de664da0e6fd9dd27eb1040a34e7d8de8c91f45ae62bfcf240f8569a"},"schema_version":"1.0","source":{"id":"1705.02039","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02039","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02039v1","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02039","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"pith_short_12","alias_value":"R2JFFLRDPFX6","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"R2JFFLRDPFX6M4PO","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"R2JFFLRD","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:837ae405159960ce62e196c23663cb0051f1784d22bb896d6ad76916dd89a5ad","target":"graph","created_at":"2026-05-18T00:22:39Z","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 attractive Fermi-Hubbard model is the simplest theoretical model for studying pairing and superconductivity of fermions on a lattice. Although its s-wave pairing symmetry excludes it as a microscopic model for high-temperature superconductivity, it exhibits much of the relevant phenomenology, including a short-coherence length at intermediate coupling and a pseudogap regime with anomalous properties. Here we study an experimental realization of this model using a two-dimensional (2D) atomic Fermi gas in an optical lattice. Our site-resolved measurements on the normal state reveal checkerbo","authors_text":"David A. Huse, Debayan Mitra, Elmer Guardado-Sanchez, Peter Schauss, Peter T. Brown, Stanimir S. Kondov, Trithep Devakul, Waseem S. Bakr","cross_cats":["physics.atom-ph","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-05-04T22:40:01Z","title":"Quantum gas microscopy of an attractive Fermi-Hubbard system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02039","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:f937d5341399a3dba51003005e7fa8d421c48dcb532d909db1585ff354516e01","target":"record","created_at":"2026-05-18T00:22:39Z","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":"6e7b878b06404ee7a3bb1d0af32b8834c6e84209b1c1a44ecb001f546df88955","cross_cats_sorted":["physics.atom-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-05-04T22:40:01Z","title_canon_sha256":"05bfbe48de664da0e6fd9dd27eb1040a34e7d8de8c91f45ae62bfcf240f8569a"},"schema_version":"1.0","source":{"id":"1705.02039","kind":"arxiv","version":1}},"canonical_sha256":"8e9252ae23796fe671ee94dd534ff36deac79ca5eaa8ba089e8a21145998f056","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e9252ae23796fe671ee94dd534ff36deac79ca5eaa8ba089e8a21145998f056","first_computed_at":"2026-05-18T00:22:39.915895Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:39.915895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zm1+sHLcvTQcHBVGTZ7iqyxbVhVR2XAOxbWI9Bx/mbhBSCEeHm3OZthHw2IVjRB72LWCsz44BRWTyOdS0ssfBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:39.916493Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.02039","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f937d5341399a3dba51003005e7fa8d421c48dcb532d909db1585ff354516e01","sha256:837ae405159960ce62e196c23663cb0051f1784d22bb896d6ad76916dd89a5ad"],"state_sha256":"dc94f4c25cc60f71575709ae70b7432503545ef5605c94f78a1c0aa05c518475"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"olUfWU/aoM8pGPplbzm6Mzszi3Oy4s9JOWPUrz4pQNuU0f+qYsmh4+xwHxL+Kc1N81VC/s5f8J3BrXw0+M49DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:09:48.532264Z","bundle_sha256":"179cdd3acf2f80a963c3313785b47372860efe35d0a15dfee1393ab6dc677c50"}}