{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:K3GYQUIAMIH22HGBWX35JUZGMX","short_pith_number":"pith:K3GYQUIA","canonical_record":{"source":{"id":"1306.5608","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-06-24T13:16:24Z","cross_cats_sorted":[],"title_canon_sha256":"7b7447f0a8d80edc29e00f923e290c5ae31e6c497b7e4a23bbd0ff780c63cba4","abstract_canon_sha256":"31e272499d1fbce57a852da7558c5e0f28910443fa9c72cdb7c0dab744333c56"},"schema_version":"1.0"},"canonical_sha256":"56cd885100620fad1cc1b5f7d4d32665ceeadfaa859cf08c5ea16c31d180073b","source":{"kind":"arxiv","id":"1306.5608","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5608","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5608v1","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5608","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"K3GYQUIAMIH2","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"K3GYQUIAMIH22HGB","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"K3GYQUIA","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:K3GYQUIAMIH22HGBWX35JUZGMX","target":"record","payload":{"canonical_record":{"source":{"id":"1306.5608","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-06-24T13:16:24Z","cross_cats_sorted":[],"title_canon_sha256":"7b7447f0a8d80edc29e00f923e290c5ae31e6c497b7e4a23bbd0ff780c63cba4","abstract_canon_sha256":"31e272499d1fbce57a852da7558c5e0f28910443fa9c72cdb7c0dab744333c56"},"schema_version":"1.0"},"canonical_sha256":"56cd885100620fad1cc1b5f7d4d32665ceeadfaa859cf08c5ea16c31d180073b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:32.471300Z","signature_b64":"8j4KWRXKfA9zyOUfUCXb7YsMmxmWrcg0SdFnrnr+6ufkf3YvI2cpJMdepU2KHqwtkOuilgB4oOqUkrI49oW0Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56cd885100620fad1cc1b5f7d4d32665ceeadfaa859cf08c5ea16c31d180073b","last_reissued_at":"2026-05-18T02:50:32.470706Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:32.470706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.5608","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":"2026-05-18T02:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dF7XGvZ/zt1ipu11jevoOlmuYzeZQtJVPx+BAmI5WOa0B54hcR+g8zDF7+XhfXPb2+GluDMWKyi6wMhvwo04CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T23:25:08.791038Z"},"content_sha256":"c053e686b44962217334291d85b79c4ebea5d76aa61ca644e65e5e39e41e81c6","schema_version":"1.0","event_id":"sha256:c053e686b44962217334291d85b79c4ebea5d76aa61ca644e65e5e39e41e81c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:K3GYQUIAMIH22HGBWX35JUZGMX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Density dependent tunneling in the extended Bose-Hubbard model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Jakub Zakrzewski, Maciej Lewenstein, Michal Maik, Omjyoti Dutta, Philipp Hauke","submitted_at":"2013-06-24T13:16:24Z","abstract_excerpt":"Recently, it has become apparent that, when the interactions between polar molecules in optical lattices becomes strong, the conventional description using the extended Hubbard model has to be modified by additional terms, in particular a density-dependent tunneling term. We investigate here the influence of this term on the ground-state phase diagrams of the two dimensional extended Bose-Hubbard model. Using Quantum Monte Carlo simulations, we investigate the changes of the superfluid, supersolid, and phase-separated parameter regions in the phase diagram of the system. By studying the interp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5608","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":"2026-05-18T02:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ATO0RlLJlPFuUDZxI4PHV2PsDimQwmw2w5S7ky6gCUBuYQfzQ4QlV/HC+O4lDPTGIav4BoWTDQhTFKXzrmRICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T23:25:08.791403Z"},"content_sha256":"49ffdfda74e627a28f8dfe7083acd9a645bf3bcf5c83ea0fe0bfc59af16a606a","schema_version":"1.0","event_id":"sha256:49ffdfda74e627a28f8dfe7083acd9a645bf3bcf5c83ea0fe0bfc59af16a606a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K3GYQUIAMIH22HGBWX35JUZGMX/bundle.json","state_url":"https://pith.science/pith/K3GYQUIAMIH22HGBWX35JUZGMX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K3GYQUIAMIH22HGBWX35JUZGMX/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":"2026-06-24T23:25:08Z","links":{"resolver":"https://pith.science/pith/K3GYQUIAMIH22HGBWX35JUZGMX","bundle":"https://pith.science/pith/K3GYQUIAMIH22HGBWX35JUZGMX/bundle.json","state":"https://pith.science/pith/K3GYQUIAMIH22HGBWX35JUZGMX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K3GYQUIAMIH22HGBWX35JUZGMX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:K3GYQUIAMIH22HGBWX35JUZGMX","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":"31e272499d1fbce57a852da7558c5e0f28910443fa9c72cdb7c0dab744333c56","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-06-24T13:16:24Z","title_canon_sha256":"7b7447f0a8d80edc29e00f923e290c5ae31e6c497b7e4a23bbd0ff780c63cba4"},"schema_version":"1.0","source":{"id":"1306.5608","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5608","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5608v1","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5608","created_at":"2026-05-18T02:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"K3GYQUIAMIH2","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"K3GYQUIAMIH22HGB","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"K3GYQUIA","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:49ffdfda74e627a28f8dfe7083acd9a645bf3bcf5c83ea0fe0bfc59af16a606a","target":"graph","created_at":"2026-05-18T02:50:32Z","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":"Recently, it has become apparent that, when the interactions between polar molecules in optical lattices becomes strong, the conventional description using the extended Hubbard model has to be modified by additional terms, in particular a density-dependent tunneling term. We investigate here the influence of this term on the ground-state phase diagrams of the two dimensional extended Bose-Hubbard model. Using Quantum Monte Carlo simulations, we investigate the changes of the superfluid, supersolid, and phase-separated parameter regions in the phase diagram of the system. By studying the interp","authors_text":"Jakub Zakrzewski, Maciej Lewenstein, Michal Maik, Omjyoti Dutta, Philipp Hauke","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-06-24T13:16:24Z","title":"Density dependent tunneling in the extended Bose-Hubbard model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5608","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:c053e686b44962217334291d85b79c4ebea5d76aa61ca644e65e5e39e41e81c6","target":"record","created_at":"2026-05-18T02:50:32Z","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":"31e272499d1fbce57a852da7558c5e0f28910443fa9c72cdb7c0dab744333c56","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-06-24T13:16:24Z","title_canon_sha256":"7b7447f0a8d80edc29e00f923e290c5ae31e6c497b7e4a23bbd0ff780c63cba4"},"schema_version":"1.0","source":{"id":"1306.5608","kind":"arxiv","version":1}},"canonical_sha256":"56cd885100620fad1cc1b5f7d4d32665ceeadfaa859cf08c5ea16c31d180073b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56cd885100620fad1cc1b5f7d4d32665ceeadfaa859cf08c5ea16c31d180073b","first_computed_at":"2026-05-18T02:50:32.470706Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:32.470706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8j4KWRXKfA9zyOUfUCXb7YsMmxmWrcg0SdFnrnr+6ufkf3YvI2cpJMdepU2KHqwtkOuilgB4oOqUkrI49oW0Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:32.471300Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.5608","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c053e686b44962217334291d85b79c4ebea5d76aa61ca644e65e5e39e41e81c6","sha256:49ffdfda74e627a28f8dfe7083acd9a645bf3bcf5c83ea0fe0bfc59af16a606a"],"state_sha256":"f8dc95e416436e78fb86dc35dd4c1a758847d6feab62136ccd2b871b608c59e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IOiUpFf+tyPUn9k+uCidrTHqIpvrxurW1X8+1CbxKgZbuyEuPI4n39M5lKUPncaBWkyAGKvmMCDVQf6g+K66BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T23:25:08.793433Z","bundle_sha256":"839e2ed3d13ed71a42c524e85a0cb05aaf8c56e7c86e0c610ea4ed85df9af885"}}