{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:VN54FDWXI6PZRHVKYSWGAUFG7E","short_pith_number":"pith:VN54FDWX","canonical_record":{"source":{"id":"1411.4496","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-11-17T14:42:41Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"8a7876129f1e5273cbc4b399024372c14cf0807977ba9fa2588c8107661bae48","abstract_canon_sha256":"83b5a8ce4dc000aca973d81a6d828177ca654f5cd6b20e532b085f6545ccdeae"},"schema_version":"1.0"},"canonical_sha256":"ab7bc28ed7479f989eaac4ac6050a6f93f77caeb72f46a1b110c611067107fc9","source":{"kind":"arxiv","id":"1411.4496","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.4496","created_at":"2026-05-18T02:20:19Z"},{"alias_kind":"arxiv_version","alias_value":"1411.4496v2","created_at":"2026-05-18T02:20:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.4496","created_at":"2026-05-18T02:20:19Z"},{"alias_kind":"pith_short_12","alias_value":"VN54FDWXI6PZ","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"VN54FDWXI6PZRHVK","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"VN54FDWX","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:VN54FDWXI6PZRHVKYSWGAUFG7E","target":"record","payload":{"canonical_record":{"source":{"id":"1411.4496","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-11-17T14:42:41Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"8a7876129f1e5273cbc4b399024372c14cf0807977ba9fa2588c8107661bae48","abstract_canon_sha256":"83b5a8ce4dc000aca973d81a6d828177ca654f5cd6b20e532b085f6545ccdeae"},"schema_version":"1.0"},"canonical_sha256":"ab7bc28ed7479f989eaac4ac6050a6f93f77caeb72f46a1b110c611067107fc9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:20:19.671854Z","signature_b64":"Af42/a2iNTD7mkEBelTsu1J/sDWOdCLlvtsjd6GuaaOnBeqZD4ZgxLwQPLF50G8413Q7wlVvc6WKLLnKtd+LBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab7bc28ed7479f989eaac4ac6050a6f93f77caeb72f46a1b110c611067107fc9","last_reissued_at":"2026-05-18T02:20:19.671108Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:20:19.671108Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.4496","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":"2026-05-18T02:20:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VwCRCGRoAhW6wEbwQiBAdTra9/GJzHKC+a+b2qTFmBxn+JGgFz6SNnS77rnR/PN2cmVjoAwnQFnzuAuYGd7OAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T10:44:43.680144Z"},"content_sha256":"4961aa0c97e266cd956312dde5faa73cd03089634f805c6aee3087c15d824e4b","schema_version":"1.0","event_id":"sha256:4961aa0c97e266cd956312dde5faa73cd03089634f805c6aee3087c15d824e4b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:VN54FDWXI6PZRHVKYSWGAUFG7E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin-orbital exchange of strongly interacting fermions on the $p$-band of a two-dimensional optical lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.quant-gas","authors_text":"Erhai Zhao, W. Vincent Liu, Zhenyu Zhou","submitted_at":"2014-11-17T14:42:41Z","abstract_excerpt":"Mott insulators with both spin and orbital degeneracy are pertinent to a large number of transition metal oxides. The intertwined spin and orbital fluctuations can lead to rather exotic phases such as quantum spin-orbital liquids. Here we consider two-component (spin 1/2) fermionic atoms with strong repulsive interactions on the $p$-band of the optical square lattice. We derive the spin-orbital exchange for quarter filling of the $p$-band when the density fluctuations are suppressed, and show it frustrates the development of long range spin order. Exact diagonalization indicates a spin-disorde"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.4496","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":"2026-05-18T02:20:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/qaMJ6f0t9V3AZOaTOTTBt91/yQ32X8jcjXZd/ACL/+pHPx7f70nKulvNhPq4E8UAm4r2ypnssAkSFtCUkDvDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T10:44:43.680510Z"},"content_sha256":"b1314db510ec06aa8bdee2958c57c65bba14191966f5d85b03f63b22d0e30d2f","schema_version":"1.0","event_id":"sha256:b1314db510ec06aa8bdee2958c57c65bba14191966f5d85b03f63b22d0e30d2f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VN54FDWXI6PZRHVKYSWGAUFG7E/bundle.json","state_url":"https://pith.science/pith/VN54FDWXI6PZRHVKYSWGAUFG7E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VN54FDWXI6PZRHVKYSWGAUFG7E/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":"2026-06-01T10:44:43Z","links":{"resolver":"https://pith.science/pith/VN54FDWXI6PZRHVKYSWGAUFG7E","bundle":"https://pith.science/pith/VN54FDWXI6PZRHVKYSWGAUFG7E/bundle.json","state":"https://pith.science/pith/VN54FDWXI6PZRHVKYSWGAUFG7E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VN54FDWXI6PZRHVKYSWGAUFG7E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:VN54FDWXI6PZRHVKYSWGAUFG7E","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":"83b5a8ce4dc000aca973d81a6d828177ca654f5cd6b20e532b085f6545ccdeae","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-11-17T14:42:41Z","title_canon_sha256":"8a7876129f1e5273cbc4b399024372c14cf0807977ba9fa2588c8107661bae48"},"schema_version":"1.0","source":{"id":"1411.4496","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.4496","created_at":"2026-05-18T02:20:19Z"},{"alias_kind":"arxiv_version","alias_value":"1411.4496v2","created_at":"2026-05-18T02:20:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.4496","created_at":"2026-05-18T02:20:19Z"},{"alias_kind":"pith_short_12","alias_value":"VN54FDWXI6PZ","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"VN54FDWXI6PZRHVK","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"VN54FDWX","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:b1314db510ec06aa8bdee2958c57c65bba14191966f5d85b03f63b22d0e30d2f","target":"graph","created_at":"2026-05-18T02:20:19Z","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":"Mott insulators with both spin and orbital degeneracy are pertinent to a large number of transition metal oxides. The intertwined spin and orbital fluctuations can lead to rather exotic phases such as quantum spin-orbital liquids. Here we consider two-component (spin 1/2) fermionic atoms with strong repulsive interactions on the $p$-band of the optical square lattice. We derive the spin-orbital exchange for quarter filling of the $p$-band when the density fluctuations are suppressed, and show it frustrates the development of long range spin order. Exact diagonalization indicates a spin-disorde","authors_text":"Erhai Zhao, W. Vincent Liu, Zhenyu Zhou","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-11-17T14:42:41Z","title":"Spin-orbital exchange of strongly interacting fermions on the $p$-band of a two-dimensional optical lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.4496","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":"sha256:4961aa0c97e266cd956312dde5faa73cd03089634f805c6aee3087c15d824e4b","target":"record","created_at":"2026-05-18T02:20:19Z","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":"83b5a8ce4dc000aca973d81a6d828177ca654f5cd6b20e532b085f6545ccdeae","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-11-17T14:42:41Z","title_canon_sha256":"8a7876129f1e5273cbc4b399024372c14cf0807977ba9fa2588c8107661bae48"},"schema_version":"1.0","source":{"id":"1411.4496","kind":"arxiv","version":2}},"canonical_sha256":"ab7bc28ed7479f989eaac4ac6050a6f93f77caeb72f46a1b110c611067107fc9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab7bc28ed7479f989eaac4ac6050a6f93f77caeb72f46a1b110c611067107fc9","first_computed_at":"2026-05-18T02:20:19.671108Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:20:19.671108Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Af42/a2iNTD7mkEBelTsu1J/sDWOdCLlvtsjd6GuaaOnBeqZD4ZgxLwQPLF50G8413Q7wlVvc6WKLLnKtd+LBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:20:19.671854Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.4496","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4961aa0c97e266cd956312dde5faa73cd03089634f805c6aee3087c15d824e4b","sha256:b1314db510ec06aa8bdee2958c57c65bba14191966f5d85b03f63b22d0e30d2f"],"state_sha256":"dc6759014b71cebefec8885e0ef0257a7cf8ec721d623f0d6f682bbf26b6d454"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9vL8AJThi73Cdw1D/pSVdTcbmgGiVkcxTTLwF08kJGiskP3N8OHl4XJGEd8TOTEiQIZXAhy615KL/RJzSs3kCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T10:44:43.682656Z","bundle_sha256":"6c976c05a58bbcd4635a976cafba8bcd08fd465e274c16418f77428f979ddffb"}}