{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:VMGLAUBENVKZS5TMIBQE3EN25P","short_pith_number":"pith:VMGLAUBE","canonical_record":{"source":{"id":"2406.03491","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2024-06-05T17:56:13Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"c0608cf2eb4e18fcd2892c37222d7edce7af1bf50da530d66332fa36bf415ce5","abstract_canon_sha256":"d8d93d041d8affdb189c8d64d559ac4c603411201d3cca93b0724b1e8e86201d"},"schema_version":"1.0"},"canonical_sha256":"ab0cb050246d5599766c40604d91baebccf0060df5c7cc4b46cecf7b03870196","source":{"kind":"arxiv","id":"2406.03491","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.03491","created_at":"2026-07-05T11:03:15Z"},{"alias_kind":"arxiv_version","alias_value":"2406.03491v4","created_at":"2026-07-05T11:03:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.03491","created_at":"2026-07-05T11:03:15Z"},{"alias_kind":"pith_short_12","alias_value":"VMGLAUBENVKZ","created_at":"2026-07-05T11:03:15Z"},{"alias_kind":"pith_short_16","alias_value":"VMGLAUBENVKZS5TM","created_at":"2026-07-05T11:03:15Z"},{"alias_kind":"pith_short_8","alias_value":"VMGLAUBE","created_at":"2026-07-05T11:03:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:VMGLAUBENVKZS5TMIBQE3EN25P","target":"record","payload":{"canonical_record":{"source":{"id":"2406.03491","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2024-06-05T17:56:13Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"c0608cf2eb4e18fcd2892c37222d7edce7af1bf50da530d66332fa36bf415ce5","abstract_canon_sha256":"d8d93d041d8affdb189c8d64d559ac4c603411201d3cca93b0724b1e8e86201d"},"schema_version":"1.0"},"canonical_sha256":"ab0cb050246d5599766c40604d91baebccf0060df5c7cc4b46cecf7b03870196","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:03:15.154268Z","signature_b64":"tB4Ml9tc0wB5MbWGZHvyrnFXq9EKDP5E8tNwXvQ1iPTwFh+9O32g9WhhDJV6AIFg9xDx7Ee+S7VRfNlrCsmQDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab0cb050246d5599766c40604d91baebccf0060df5c7cc4b46cecf7b03870196","last_reissued_at":"2026-07-05T11:03:15.153786Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:03:15.153786Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.03491","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:03:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bVrO3/iQ2kPhnGS0GQYPHEAtRE2CbElDvx+W7t3x7/hDocmhySEdqVQ7ZD0g7T/ZLZuL9c7TjPMit6NcVJ9ADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T04:14:33.032826Z"},"content_sha256":"f47706f4906fcddb063712f548b89de1178badd23c7d42182249c78a04ecd107","schema_version":"1.0","event_id":"sha256:f47706f4906fcddb063712f548b89de1178badd23c7d42182249c78a04ecd107"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:VMGLAUBENVKZS5TMIBQE3EN25P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting Phase Coherence of 2D Bose Gases via Noise Correlations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Abel Beregi, Christopher J. Foot, En Chang, Erik Rydow, Ludwig Mathey, Shinichi Sunami, Vijay P. Singh","submitted_at":"2024-06-05T17:56:13Z","abstract_excerpt":"We measure the noise correlations of two-dimensional (2D) Bose gases after free expansion, and use them to characterize the in-situ phase coherence across the Berezinskii-Kosterlitz-Thouless (BKT) transition. The noise-correlation function features a characteristic spatial oscillatory behavior in the superfluid phase, which gives direct access to the superfluid exponent. This oscillatory behavior vanishes above the BKT critical point, as we demonstrate for both single-layer and decoupled bilayer 2D Bose gases. Our work establishes noise interferometry as an important general tool to probe and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.03491","kind":"arxiv","version":4},"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/2406.03491/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":"2026-07-05T11:03:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XxbmakLXC7XnG0cwGuty1L/Zaf8js/sqWcKuFn46Il0dF0iYgIvFyVkEMdKUjZp5Y7zEmhLayTwZQFp4g5obBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T04:14:33.033349Z"},"content_sha256":"bf1a6312c419a437cb40c7b2d04861d218e82f4bcf6eacf5622d716de82357c2","schema_version":"1.0","event_id":"sha256:bf1a6312c419a437cb40c7b2d04861d218e82f4bcf6eacf5622d716de82357c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VMGLAUBENVKZS5TMIBQE3EN25P/bundle.json","state_url":"https://pith.science/pith/VMGLAUBENVKZS5TMIBQE3EN25P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VMGLAUBENVKZS5TMIBQE3EN25P/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":"2026-08-23T04:14:33Z","links":{"resolver":"https://pith.science/pith/VMGLAUBENVKZS5TMIBQE3EN25P","bundle":"https://pith.science/pith/VMGLAUBENVKZS5TMIBQE3EN25P/bundle.json","state":"https://pith.science/pith/VMGLAUBENVKZS5TMIBQE3EN25P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VMGLAUBENVKZS5TMIBQE3EN25P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:VMGLAUBENVKZS5TMIBQE3EN25P","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":"d8d93d041d8affdb189c8d64d559ac4c603411201d3cca93b0724b1e8e86201d","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2024-06-05T17:56:13Z","title_canon_sha256":"c0608cf2eb4e18fcd2892c37222d7edce7af1bf50da530d66332fa36bf415ce5"},"schema_version":"1.0","source":{"id":"2406.03491","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.03491","created_at":"2026-07-05T11:03:15Z"},{"alias_kind":"arxiv_version","alias_value":"2406.03491v4","created_at":"2026-07-05T11:03:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.03491","created_at":"2026-07-05T11:03:15Z"},{"alias_kind":"pith_short_12","alias_value":"VMGLAUBENVKZ","created_at":"2026-07-05T11:03:15Z"},{"alias_kind":"pith_short_16","alias_value":"VMGLAUBENVKZS5TM","created_at":"2026-07-05T11:03:15Z"},{"alias_kind":"pith_short_8","alias_value":"VMGLAUBE","created_at":"2026-07-05T11:03:15Z"}],"graph_snapshots":[{"event_id":"sha256:bf1a6312c419a437cb40c7b2d04861d218e82f4bcf6eacf5622d716de82357c2","target":"graph","created_at":"2026-07-05T11:03:15Z","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/2406.03491/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We measure the noise correlations of two-dimensional (2D) Bose gases after free expansion, and use them to characterize the in-situ phase coherence across the Berezinskii-Kosterlitz-Thouless (BKT) transition. The noise-correlation function features a characteristic spatial oscillatory behavior in the superfluid phase, which gives direct access to the superfluid exponent. This oscillatory behavior vanishes above the BKT critical point, as we demonstrate for both single-layer and decoupled bilayer 2D Bose gases. Our work establishes noise interferometry as an important general tool to probe and ","authors_text":"Abel Beregi, Christopher J. Foot, En Chang, Erik Rydow, Ludwig Mathey, Shinichi Sunami, Vijay P. Singh","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2024-06-05T17:56:13Z","title":"Detecting Phase Coherence of 2D Bose Gases via Noise Correlations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.03491","kind":"arxiv","version":4},"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:f47706f4906fcddb063712f548b89de1178badd23c7d42182249c78a04ecd107","target":"record","created_at":"2026-07-05T11:03:15Z","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":"d8d93d041d8affdb189c8d64d559ac4c603411201d3cca93b0724b1e8e86201d","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2024-06-05T17:56:13Z","title_canon_sha256":"c0608cf2eb4e18fcd2892c37222d7edce7af1bf50da530d66332fa36bf415ce5"},"schema_version":"1.0","source":{"id":"2406.03491","kind":"arxiv","version":4}},"canonical_sha256":"ab0cb050246d5599766c40604d91baebccf0060df5c7cc4b46cecf7b03870196","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab0cb050246d5599766c40604d91baebccf0060df5c7cc4b46cecf7b03870196","first_computed_at":"2026-07-05T11:03:15.153786Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:03:15.153786Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tB4Ml9tc0wB5MbWGZHvyrnFXq9EKDP5E8tNwXvQ1iPTwFh+9O32g9WhhDJV6AIFg9xDx7Ee+S7VRfNlrCsmQDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:03:15.154268Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.03491","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f47706f4906fcddb063712f548b89de1178badd23c7d42182249c78a04ecd107","sha256:bf1a6312c419a437cb40c7b2d04861d218e82f4bcf6eacf5622d716de82357c2"],"state_sha256":"cc9f0a2e676f0ba7044143934442f0768a6f018ce3046fd4603c259d9b28cb57"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"psPXFm1lcG6crrO+A3mDF4oOmAAJ8xOXbl1kSWdwqgWaUvEbhKwEX7X80hzqVk1VoO8S4p8Jy9Si2OqBC8ESCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T04:14:33.038396Z","bundle_sha256":"9155f205f2e91ede214ddf949c79057e146fae23aaf90cb6367ff1f5764f4e5a"}}