{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:6TDHNASZMDVZ4F7LZMGCJLIJCO","short_pith_number":"pith:6TDHNASZ","canonical_record":{"source":{"id":"2009.10534","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2020-09-22T13:23:15Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"f4a78256237aa754b92d48dc9311718d6b8247fb0e30f39d1f94580c0e0c6341","abstract_canon_sha256":"ad327ecb9e0792a04a4928fbe13f531ff7a7e6745432d0937c906e39070b9788"},"schema_version":"1.0"},"canonical_sha256":"f4c676825960eb9e17ebcb0c24ad0913941304d143e7c724b320f34bf2c5302d","source":{"kind":"arxiv","id":"2009.10534","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.10534","created_at":"2026-07-05T03:13:00Z"},{"alias_kind":"arxiv_version","alias_value":"2009.10534v2","created_at":"2026-07-05T03:13:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.10534","created_at":"2026-07-05T03:13:00Z"},{"alias_kind":"pith_short_12","alias_value":"6TDHNASZMDVZ","created_at":"2026-07-05T03:13:00Z"},{"alias_kind":"pith_short_16","alias_value":"6TDHNASZMDVZ4F7L","created_at":"2026-07-05T03:13:00Z"},{"alias_kind":"pith_short_8","alias_value":"6TDHNASZ","created_at":"2026-07-05T03:13:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:6TDHNASZMDVZ4F7LZMGCJLIJCO","target":"record","payload":{"canonical_record":{"source":{"id":"2009.10534","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2020-09-22T13:23:15Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"f4a78256237aa754b92d48dc9311718d6b8247fb0e30f39d1f94580c0e0c6341","abstract_canon_sha256":"ad327ecb9e0792a04a4928fbe13f531ff7a7e6745432d0937c906e39070b9788"},"schema_version":"1.0"},"canonical_sha256":"f4c676825960eb9e17ebcb0c24ad0913941304d143e7c724b320f34bf2c5302d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:13:00.403947Z","signature_b64":"MDQOXNes/2oC+x368r69ZVALqRDxFmmzftNvB9nwu3WYkjJOB0hDii1PakN+oYOr7FdfEEk/scAEn7gPxEMcAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4c676825960eb9e17ebcb0c24ad0913941304d143e7c724b320f34bf2c5302d","last_reissued_at":"2026-07-05T03:13:00.403540Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:13:00.403540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.10534","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":"2026-07-05T03:13:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zqRdNlCv1D7q6ZPA9CNIdY8uwMwTzdJk6ZQSSaAqVatZ1h0LZRlgZngo+ZlKoD6NSteYy9ZRWuIPWG0ghVCaCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T00:52:59.904377Z"},"content_sha256":"e3a185ef68f6ca8bc3678c70f1de0baf837ba5d9d4ebeb0f93196140dd37adc4","schema_version":"1.0","event_id":"sha256:e3a185ef68f6ca8bc3678c70f1de0baf837ba5d9d4ebeb0f93196140dd37adc4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:6TDHNASZMDVZ4F7LZMGCJLIJCO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamics of a vortex lattice in an expanding polariton quantum fluid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.quant-gas","authors_text":"Alessandra S. Lanotte, Antonio Fieramosca, Antonio Gianfrate, Daniele Sanvitto, Dario Ballarini, Giuseppe Gigli, Guido Macorini, Lorenzo Dominici, Milena De Giorgi, Riccardo Panico","submitted_at":"2020-09-22T13:23:15Z","abstract_excerpt":"If a quantum fluid is driven with enough angular momentum, at equilibrium the ground state of the system is given by a lattice of quantised vortices whose density is prescribed by the quantization of circulation. We report on the first experimental study of the Feynman-Onsager relation in a non-equilibrium polariton fluid, free to expand and rotate. Upon initially imprinting a lattice of vortices in the quantum fluid, we track the vortex core positions on picosecond time scales. We observe an accelerated stretching of the lattice and an outward bending of the linear trajectories of the vortice"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.10534","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2009.10534/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":"2026-07-05T03:13:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ADv9N1koiLXoCqAniV1S2xSBi7/gX+NtfCn/IPSbTUkj6LgyPPV7DdeSxdft1/vUlJa4/4sCX6rLX6zl02ljBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T00:52:59.905091Z"},"content_sha256":"50450ac8ec84003b06dd820a277a02fd49bc5f5df95b5356efac3ba62d4e98f9","schema_version":"1.0","event_id":"sha256:50450ac8ec84003b06dd820a277a02fd49bc5f5df95b5356efac3ba62d4e98f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6TDHNASZMDVZ4F7LZMGCJLIJCO/bundle.json","state_url":"https://pith.science/pith/6TDHNASZMDVZ4F7LZMGCJLIJCO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6TDHNASZMDVZ4F7LZMGCJLIJCO/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":"2026-08-05T00:52:59Z","links":{"resolver":"https://pith.science/pith/6TDHNASZMDVZ4F7LZMGCJLIJCO","bundle":"https://pith.science/pith/6TDHNASZMDVZ4F7LZMGCJLIJCO/bundle.json","state":"https://pith.science/pith/6TDHNASZMDVZ4F7LZMGCJLIJCO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6TDHNASZMDVZ4F7LZMGCJLIJCO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:6TDHNASZMDVZ4F7LZMGCJLIJCO","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":"ad327ecb9e0792a04a4928fbe13f531ff7a7e6745432d0937c906e39070b9788","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2020-09-22T13:23:15Z","title_canon_sha256":"f4a78256237aa754b92d48dc9311718d6b8247fb0e30f39d1f94580c0e0c6341"},"schema_version":"1.0","source":{"id":"2009.10534","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.10534","created_at":"2026-07-05T03:13:00Z"},{"alias_kind":"arxiv_version","alias_value":"2009.10534v2","created_at":"2026-07-05T03:13:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.10534","created_at":"2026-07-05T03:13:00Z"},{"alias_kind":"pith_short_12","alias_value":"6TDHNASZMDVZ","created_at":"2026-07-05T03:13:00Z"},{"alias_kind":"pith_short_16","alias_value":"6TDHNASZMDVZ4F7L","created_at":"2026-07-05T03:13:00Z"},{"alias_kind":"pith_short_8","alias_value":"6TDHNASZ","created_at":"2026-07-05T03:13:00Z"}],"graph_snapshots":[{"event_id":"sha256:50450ac8ec84003b06dd820a277a02fd49bc5f5df95b5356efac3ba62d4e98f9","target":"graph","created_at":"2026-07-05T03:13:00Z","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/2009.10534/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"If a quantum fluid is driven with enough angular momentum, at equilibrium the ground state of the system is given by a lattice of quantised vortices whose density is prescribed by the quantization of circulation. We report on the first experimental study of the Feynman-Onsager relation in a non-equilibrium polariton fluid, free to expand and rotate. Upon initially imprinting a lattice of vortices in the quantum fluid, we track the vortex core positions on picosecond time scales. We observe an accelerated stretching of the lattice and an outward bending of the linear trajectories of the vortice","authors_text":"Alessandra S. Lanotte, Antonio Fieramosca, Antonio Gianfrate, Daniele Sanvitto, Dario Ballarini, Giuseppe Gigli, Guido Macorini, Lorenzo Dominici, Milena De Giorgi, Riccardo Panico","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2020-09-22T13:23:15Z","title":"Dynamics of a vortex lattice in an expanding polariton quantum fluid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.10534","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:e3a185ef68f6ca8bc3678c70f1de0baf837ba5d9d4ebeb0f93196140dd37adc4","target":"record","created_at":"2026-07-05T03:13:00Z","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":"ad327ecb9e0792a04a4928fbe13f531ff7a7e6745432d0937c906e39070b9788","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2020-09-22T13:23:15Z","title_canon_sha256":"f4a78256237aa754b92d48dc9311718d6b8247fb0e30f39d1f94580c0e0c6341"},"schema_version":"1.0","source":{"id":"2009.10534","kind":"arxiv","version":2}},"canonical_sha256":"f4c676825960eb9e17ebcb0c24ad0913941304d143e7c724b320f34bf2c5302d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4c676825960eb9e17ebcb0c24ad0913941304d143e7c724b320f34bf2c5302d","first_computed_at":"2026-07-05T03:13:00.403540Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:13:00.403540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MDQOXNes/2oC+x368r69ZVALqRDxFmmzftNvB9nwu3WYkjJOB0hDii1PakN+oYOr7FdfEEk/scAEn7gPxEMcAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:13:00.403947Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.10534","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3a185ef68f6ca8bc3678c70f1de0baf837ba5d9d4ebeb0f93196140dd37adc4","sha256:50450ac8ec84003b06dd820a277a02fd49bc5f5df95b5356efac3ba62d4e98f9"],"state_sha256":"933997a6e9424f2c43ba9197fe23d3595496e6f4b23ea1700c18e089acf46920"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BNeElEElb8OghFYZWvrl1fOJ9QGJMRMBI10xicH4xI7DYzsY4ds+oGhmON7TdWGhPNbIcxDz5lG1QDnDMGYpAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T00:52:59.934085Z","bundle_sha256":"e11d0ed64afb9ab2a3971cfaa947deb967701c5f1d59b6faaedbc8541e02f724"}}