{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:4K4PM7HCDCP7RTK4BZQIEFYDVF","short_pith_number":"pith:4K4PM7HC","canonical_record":{"source":{"id":"1002.3925","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-02-20T17:43:31Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"bdc5cb69a73bd520c2a4e3f517fa415c8ccf1df2d4d1cf136abf4c8c6b92af10","abstract_canon_sha256":"9c243becb94702056a58a28cf31a859dadafd3935add02d80c6beeb10d25d0f5"},"schema_version":"1.0"},"canonical_sha256":"e2b8f67ce2189ff8cd5c0e60821703a9517782359c7e8c6a14520afd397634f0","source":{"kind":"arxiv","id":"1002.3925","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.3925","created_at":"2026-05-18T02:08:58Z"},{"alias_kind":"arxiv_version","alias_value":"1002.3925v2","created_at":"2026-05-18T02:08:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.3925","created_at":"2026-05-18T02:08:58Z"},{"alias_kind":"pith_short_12","alias_value":"4K4PM7HCDCP7","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"4K4PM7HCDCP7RTK4","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"4K4PM7HC","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:4K4PM7HCDCP7RTK4BZQIEFYDVF","target":"record","payload":{"canonical_record":{"source":{"id":"1002.3925","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-02-20T17:43:31Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"bdc5cb69a73bd520c2a4e3f517fa415c8ccf1df2d4d1cf136abf4c8c6b92af10","abstract_canon_sha256":"9c243becb94702056a58a28cf31a859dadafd3935add02d80c6beeb10d25d0f5"},"schema_version":"1.0"},"canonical_sha256":"e2b8f67ce2189ff8cd5c0e60821703a9517782359c7e8c6a14520afd397634f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:08:58.555263Z","signature_b64":"w2wu/YeSrz758Wmo2uVMDuJE26cTJ4ESj1K78V1htvJMA3HsGAEh2fI6QvweFqZUOt6VQJyIx+3mV3ArcsAwAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2b8f67ce2189ff8cd5c0e60821703a9517782359c7e8c6a14520afd397634f0","last_reissued_at":"2026-05-18T02:08:58.554722Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:08:58.554722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1002.3925","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":"2026-05-18T02:08:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zqifGfwdLbIy/9BqjdjAEVecbLYhvBK1nb3uRAA5GBhkvsbfWE4301SoEBG4lxg+AcLZrr1ExyGwEaUGEAd4AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:14:07.312723Z"},"content_sha256":"631f342cd3ccd8aabd20d8da2dd805bc6ee6b87521cbd6273e6e0ea4280194bb","schema_version":"1.0","event_id":"sha256:631f342cd3ccd8aabd20d8da2dd805bc6ee6b87521cbd6273e6e0ea4280194bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:4K4PM7HCDCP7RTK4BZQIEFYDVF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Critical velocity of flowing supersolids of dipolar Bose gases in optical lattices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.quant-gas","authors_text":"Daisuke Yamamoto, Ippei Danshita","submitted_at":"2010-02-20T17:43:31Z","abstract_excerpt":"We study superfluidity of supersolid phases of dipolar Bose gases in two-dimensional optical lattices. We perform linear stability analyses for the corresponding dipolar Bose-Hubbard model in the hardcore boson limit to show that a supersolid can have stable superflow until the flow velocity reaches a certain critical value. The critical velocity for the supersolid is found to be significantly smaller than that for a conventional superfluid phase. We propose that the critical velocity can be used as a signature to identify the superfluidity of the supersolid phase in experiment."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.3925","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":"2026-05-18T02:08:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sSaXdH6uxtXEYAlZSHAXapZFvu+lVYpgCeZ7r2xlkjWlUS0ZZDZAF3qCmeIeZGCBZG8yX+rTqS9dx/dxL4eBBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:14:07.313447Z"},"content_sha256":"9b3242c20da27d1148243d325f959e3af2b0b7d3219a0619ca793974dea617a1","schema_version":"1.0","event_id":"sha256:9b3242c20da27d1148243d325f959e3af2b0b7d3219a0619ca793974dea617a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4K4PM7HCDCP7RTK4BZQIEFYDVF/bundle.json","state_url":"https://pith.science/pith/4K4PM7HCDCP7RTK4BZQIEFYDVF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4K4PM7HCDCP7RTK4BZQIEFYDVF/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":"2026-05-25T17:14:07Z","links":{"resolver":"https://pith.science/pith/4K4PM7HCDCP7RTK4BZQIEFYDVF","bundle":"https://pith.science/pith/4K4PM7HCDCP7RTK4BZQIEFYDVF/bundle.json","state":"https://pith.science/pith/4K4PM7HCDCP7RTK4BZQIEFYDVF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4K4PM7HCDCP7RTK4BZQIEFYDVF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:4K4PM7HCDCP7RTK4BZQIEFYDVF","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":"9c243becb94702056a58a28cf31a859dadafd3935add02d80c6beeb10d25d0f5","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-02-20T17:43:31Z","title_canon_sha256":"bdc5cb69a73bd520c2a4e3f517fa415c8ccf1df2d4d1cf136abf4c8c6b92af10"},"schema_version":"1.0","source":{"id":"1002.3925","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1002.3925","created_at":"2026-05-18T02:08:58Z"},{"alias_kind":"arxiv_version","alias_value":"1002.3925v2","created_at":"2026-05-18T02:08:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.3925","created_at":"2026-05-18T02:08:58Z"},{"alias_kind":"pith_short_12","alias_value":"4K4PM7HCDCP7","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"4K4PM7HCDCP7RTK4","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"4K4PM7HC","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:9b3242c20da27d1148243d325f959e3af2b0b7d3219a0619ca793974dea617a1","target":"graph","created_at":"2026-05-18T02:08:58Z","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 study superfluidity of supersolid phases of dipolar Bose gases in two-dimensional optical lattices. We perform linear stability analyses for the corresponding dipolar Bose-Hubbard model in the hardcore boson limit to show that a supersolid can have stable superflow until the flow velocity reaches a certain critical value. The critical velocity for the supersolid is found to be significantly smaller than that for a conventional superfluid phase. We propose that the critical velocity can be used as a signature to identify the superfluidity of the supersolid phase in experiment.","authors_text":"Daisuke Yamamoto, Ippei Danshita","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-02-20T17:43:31Z","title":"Critical velocity of flowing supersolids of dipolar Bose gases in optical lattices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.3925","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":"sha256:631f342cd3ccd8aabd20d8da2dd805bc6ee6b87521cbd6273e6e0ea4280194bb","target":"record","created_at":"2026-05-18T02:08:58Z","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":"9c243becb94702056a58a28cf31a859dadafd3935add02d80c6beeb10d25d0f5","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-02-20T17:43:31Z","title_canon_sha256":"bdc5cb69a73bd520c2a4e3f517fa415c8ccf1df2d4d1cf136abf4c8c6b92af10"},"schema_version":"1.0","source":{"id":"1002.3925","kind":"arxiv","version":2}},"canonical_sha256":"e2b8f67ce2189ff8cd5c0e60821703a9517782359c7e8c6a14520afd397634f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e2b8f67ce2189ff8cd5c0e60821703a9517782359c7e8c6a14520afd397634f0","first_computed_at":"2026-05-18T02:08:58.554722Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:08:58.554722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w2wu/YeSrz758Wmo2uVMDuJE26cTJ4ESj1K78V1htvJMA3HsGAEh2fI6QvweFqZUOt6VQJyIx+3mV3ArcsAwAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:08:58.555263Z","signed_message":"canonical_sha256_bytes"},"source_id":"1002.3925","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:631f342cd3ccd8aabd20d8da2dd805bc6ee6b87521cbd6273e6e0ea4280194bb","sha256:9b3242c20da27d1148243d325f959e3af2b0b7d3219a0619ca793974dea617a1"],"state_sha256":"f519b9598fc7803ebcc5402646b84b898193b0c6704633a35250b77932c59863"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j1ZI3VubzI/iiNUfgD/L/tIyA6HeQDWpPy7Ph7ugd0SwqSFa2jDE0NMnCnP+dUMYH9YuxrVA1SAbkGpk7JIqBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:14:07.317379Z","bundle_sha256":"34de05977f0feb807c1682c50035b736a24ff3d8aae8c33f3a8dc5ac08d50742"}}