{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:NFQ6WPEECJTW5BJ2CRUFP74QQJ","short_pith_number":"pith:NFQ6WPEE","canonical_record":{"source":{"id":"0706.3946","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.other","submitted_at":"2007-06-27T04:42:00Z","cross_cats_sorted":[],"title_canon_sha256":"affafefddc8379e2905a56c8060c89d9a6a95068a9763ffe55534a8d67fb497d","abstract_canon_sha256":"4a312da7e88a9482504bc0046c8b7a8470fe8a4c95cb7084c430108363ccfa17"},"schema_version":"1.0"},"canonical_sha256":"6961eb3c8412676e853a146857ff90824dbe991c4450b2e465589eacd25784ea","source":{"kind":"arxiv","id":"0706.3946","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0706.3946","created_at":"2026-07-04T17:04:27Z"},{"alias_kind":"arxiv_version","alias_value":"0706.3946v1","created_at":"2026-07-04T17:04:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0706.3946","created_at":"2026-07-04T17:04:27Z"},{"alias_kind":"pith_short_12","alias_value":"NFQ6WPEECJTW","created_at":"2026-07-04T17:04:27Z"},{"alias_kind":"pith_short_16","alias_value":"NFQ6WPEECJTW5BJ2","created_at":"2026-07-04T17:04:27Z"},{"alias_kind":"pith_short_8","alias_value":"NFQ6WPEE","created_at":"2026-07-04T17:04:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:NFQ6WPEECJTW5BJ2CRUFP74QQJ","target":"record","payload":{"canonical_record":{"source":{"id":"0706.3946","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.other","submitted_at":"2007-06-27T04:42:00Z","cross_cats_sorted":[],"title_canon_sha256":"affafefddc8379e2905a56c8060c89d9a6a95068a9763ffe55534a8d67fb497d","abstract_canon_sha256":"4a312da7e88a9482504bc0046c8b7a8470fe8a4c95cb7084c430108363ccfa17"},"schema_version":"1.0"},"canonical_sha256":"6961eb3c8412676e853a146857ff90824dbe991c4450b2e465589eacd25784ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:04:27.137426Z","signature_b64":"PAt8fGnEDIxI9FA942d66qck2BOu76GpVwnSxDuETyr0ZFp786uVBGX0w9gCvJsQtxbWKSP9dRsbKGgXZU1FCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6961eb3c8412676e853a146857ff90824dbe991c4450b2e465589eacd25784ea","last_reissued_at":"2026-07-04T17:04:27.137033Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:04:27.137033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0706.3946","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":"2026-07-04T17:04:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wfE7EJb0zkoVbf7SlXoCs4rHO4pW/3byUYz0mLMMQifZfsn9r2AACY+xzRzmKx8LxYM6RTzCkNzejSuZvceMCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:40:44.223439Z"},"content_sha256":"6c792bb2370ef17068067fc575d5ac108b43ec27a4fef1e8f8ea45a9ee895ed2","schema_version":"1.0","event_id":"sha256:6c792bb2370ef17068067fc575d5ac108b43ec27a4fef1e8f8ea45a9ee895ed2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:NFQ6WPEECJTW5BJ2CRUFP74QQJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase diagram for a Bose-Einstein condensate moving in an optical lattice","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"David E. Pritchard, Gretchen K. Campbell, Jongchul Mun, Luis G. Marcassa, Patrick Medley, Wolfgang Ketterle","submitted_at":"2007-06-27T04:42:00Z","abstract_excerpt":"The stability of superfluid currents in a system of ultracold bosons was studied using a moving optical lattice. Superfluid currents in a very weak lattice become unstable when their momentum exceeds 0.5 recoil momentum. Superfluidity vanishes already for zero momentum as the lattice deep reaches the Mott insulator(MI) phase transition. We study the phase diagram for the disappearance of superfluidity as a function of momentum and lattice depth between these two limits. Our phase boundary extrapolates to the critical lattice depth for the superfluid-to-MI transition with 2% precision. When a o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0706.3946","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0706.3946/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:04:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7uPtO1gut+Bifi0AKcuFOv6ZbyDNKXrNHdlNG0UHjeJWkbhbazyJGt1iuPX+X+UVEBt4N0aZBIzW7Xh//syLDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:40:44.223807Z"},"content_sha256":"53f1aa1ed0c3a6522ae36ef2379462be914f2a128e81d9a958d948922ebb3cf1","schema_version":"1.0","event_id":"sha256:53f1aa1ed0c3a6522ae36ef2379462be914f2a128e81d9a958d948922ebb3cf1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NFQ6WPEECJTW5BJ2CRUFP74QQJ/bundle.json","state_url":"https://pith.science/pith/NFQ6WPEECJTW5BJ2CRUFP74QQJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NFQ6WPEECJTW5BJ2CRUFP74QQJ/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":"2026-07-07T13:40:44Z","links":{"resolver":"https://pith.science/pith/NFQ6WPEECJTW5BJ2CRUFP74QQJ","bundle":"https://pith.science/pith/NFQ6WPEECJTW5BJ2CRUFP74QQJ/bundle.json","state":"https://pith.science/pith/NFQ6WPEECJTW5BJ2CRUFP74QQJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NFQ6WPEECJTW5BJ2CRUFP74QQJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:NFQ6WPEECJTW5BJ2CRUFP74QQJ","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":"4a312da7e88a9482504bc0046c8b7a8470fe8a4c95cb7084c430108363ccfa17","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.other","submitted_at":"2007-06-27T04:42:00Z","title_canon_sha256":"affafefddc8379e2905a56c8060c89d9a6a95068a9763ffe55534a8d67fb497d"},"schema_version":"1.0","source":{"id":"0706.3946","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0706.3946","created_at":"2026-07-04T17:04:27Z"},{"alias_kind":"arxiv_version","alias_value":"0706.3946v1","created_at":"2026-07-04T17:04:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0706.3946","created_at":"2026-07-04T17:04:27Z"},{"alias_kind":"pith_short_12","alias_value":"NFQ6WPEECJTW","created_at":"2026-07-04T17:04:27Z"},{"alias_kind":"pith_short_16","alias_value":"NFQ6WPEECJTW5BJ2","created_at":"2026-07-04T17:04:27Z"},{"alias_kind":"pith_short_8","alias_value":"NFQ6WPEE","created_at":"2026-07-04T17:04:27Z"}],"graph_snapshots":[{"event_id":"sha256:53f1aa1ed0c3a6522ae36ef2379462be914f2a128e81d9a958d948922ebb3cf1","target":"graph","created_at":"2026-07-04T17:04:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0706.3946/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The stability of superfluid currents in a system of ultracold bosons was studied using a moving optical lattice. Superfluid currents in a very weak lattice become unstable when their momentum exceeds 0.5 recoil momentum. Superfluidity vanishes already for zero momentum as the lattice deep reaches the Mott insulator(MI) phase transition. We study the phase diagram for the disappearance of superfluidity as a function of momentum and lattice depth between these two limits. Our phase boundary extrapolates to the critical lattice depth for the superfluid-to-MI transition with 2% precision. When a o","authors_text":"David E. Pritchard, Gretchen K. Campbell, Jongchul Mun, Luis G. Marcassa, Patrick Medley, Wolfgang Ketterle","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.other","submitted_at":"2007-06-27T04:42:00Z","title":"Phase diagram for a Bose-Einstein condensate moving in an optical lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0706.3946","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":"sha256:6c792bb2370ef17068067fc575d5ac108b43ec27a4fef1e8f8ea45a9ee895ed2","target":"record","created_at":"2026-07-04T17:04:27Z","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":"4a312da7e88a9482504bc0046c8b7a8470fe8a4c95cb7084c430108363ccfa17","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.other","submitted_at":"2007-06-27T04:42:00Z","title_canon_sha256":"affafefddc8379e2905a56c8060c89d9a6a95068a9763ffe55534a8d67fb497d"},"schema_version":"1.0","source":{"id":"0706.3946","kind":"arxiv","version":1}},"canonical_sha256":"6961eb3c8412676e853a146857ff90824dbe991c4450b2e465589eacd25784ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6961eb3c8412676e853a146857ff90824dbe991c4450b2e465589eacd25784ea","first_computed_at":"2026-07-04T17:04:27.137033Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:04:27.137033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PAt8fGnEDIxI9FA942d66qck2BOu76GpVwnSxDuETyr0ZFp786uVBGX0w9gCvJsQtxbWKSP9dRsbKGgXZU1FCg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:04:27.137426Z","signed_message":"canonical_sha256_bytes"},"source_id":"0706.3946","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c792bb2370ef17068067fc575d5ac108b43ec27a4fef1e8f8ea45a9ee895ed2","sha256:53f1aa1ed0c3a6522ae36ef2379462be914f2a128e81d9a958d948922ebb3cf1"],"state_sha256":"5c48f6900ff17c5bbaad3bcdfee51ca11bf283d24286be23bf0e185cbe6de596"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1f+N2VGFl4heLUlDrXvvlu6WmLwhAc1Rqv3FaXdRohGHQ0RNA7dPHlV9FXhWq6Zv5BNX7YmJV7t649f+V9X2CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:40:44.225721Z","bundle_sha256":"c02fadf7c8f0c2a36b32257614d26f719ee98d2481fb04bc270dcf1f0355fa70"}}