{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:JR35N3K4CF7PGFGA2HX7HX5IZO","short_pith_number":"pith:JR35N3K4","canonical_record":{"source":{"id":"2602.18785","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-02-21T10:30:26Z","cross_cats_sorted":[],"title_canon_sha256":"7e4a65808017625edb3fbe9bf5cc404e4b1c959c036c0444fea18e380777a81e","abstract_canon_sha256":"9ea86331fd141fb52f90e15cc9f5e93a4618f43a19d23123b93bdc44a0738391"},"schema_version":"1.0"},"canonical_sha256":"4c77d6ed5c117ef314c0d1eff3dfa8cb93ad954586464a0c40fe7550a59bb3a5","source":{"kind":"arxiv","id":"2602.18785","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.18785","created_at":"2026-06-11T01:10:34Z"},{"alias_kind":"arxiv_version","alias_value":"2602.18785v2","created_at":"2026-06-11T01:10:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.18785","created_at":"2026-06-11T01:10:34Z"},{"alias_kind":"pith_short_12","alias_value":"JR35N3K4CF7P","created_at":"2026-06-11T01:10:34Z"},{"alias_kind":"pith_short_16","alias_value":"JR35N3K4CF7PGFGA","created_at":"2026-06-11T01:10:34Z"},{"alias_kind":"pith_short_8","alias_value":"JR35N3K4","created_at":"2026-06-11T01:10:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:JR35N3K4CF7PGFGA2HX7HX5IZO","target":"record","payload":{"canonical_record":{"source":{"id":"2602.18785","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-02-21T10:30:26Z","cross_cats_sorted":[],"title_canon_sha256":"7e4a65808017625edb3fbe9bf5cc404e4b1c959c036c0444fea18e380777a81e","abstract_canon_sha256":"9ea86331fd141fb52f90e15cc9f5e93a4618f43a19d23123b93bdc44a0738391"},"schema_version":"1.0"},"canonical_sha256":"4c77d6ed5c117ef314c0d1eff3dfa8cb93ad954586464a0c40fe7550a59bb3a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-11T01:10:34.310630Z","signature_b64":"NMcKsLAuNzENdY85oj/bvyRLHCf1fP+HGI5sWUb1iQCMT7NHNG3QBSkUafN5RbfSTQziBvrxgU6HYGzubsJcDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c77d6ed5c117ef314c0d1eff3dfa8cb93ad954586464a0c40fe7550a59bb3a5","last_reissued_at":"2026-06-11T01:10:34.309627Z","signature_status":"signed_v1","first_computed_at":"2026-06-11T01:10:34.309627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2602.18785","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":"2026-06-11T01:10:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fVOVNKaiuiYRXYng2l6e9fciX4wPbFuIR5k+mcMHd7kCNHtd5YcdJCnamOGRXBfNAgGdfGZz3wMO+/ppk3vpBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T11:22:18.595474Z"},"content_sha256":"0d2d208de79f85b61e9833b3d1b979781904bde6f8dfccc87f45170c6897b6a3","schema_version":"1.0","event_id":"sha256:0d2d208de79f85b61e9833b3d1b979781904bde6f8dfccc87f45170c6897b6a3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:JR35N3K4CF7PGFGA2HX7HX5IZO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase fluctuations in a confined fluid","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alberto Zaragoza, Chantal Valeriani, Fr\\'ed\\'eric Caupin, Miguel A. Gonzalez","submitted_at":"2026-02-21T10:30:26Z","abstract_excerpt":"Fluid phase equilibrium depends on the external constraints imposed on a system. In a closed system with fixed volume, depending on the average density, a vapor bubble may be stable, metastable, or unstable, with respect to the homogeneous liquid phase. In the case where the bubble is metastable, we study its lifetime, i.e. the average waiting time needed to observe bubble collapse, and the corresponding lifetime of the homogeneous liquid. For the smallest systems, we predict the possibility to observe phase flipping, when the fluid oscillates between states with and without bubble. We provide"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.18785","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/2602.18785/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":"2026-06-11T01:10:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"puZyLDfqZjeA20obkq7o6eG/iREv1yADVZtUTJmwEvKWmgiC+nMZGU+DXvefZk4IFds2rr9cn9uapMN0+O2IAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T11:22:18.595853Z"},"content_sha256":"d2fb9880bf3ba46b27fc00e5f165ba9e950fcc255b353266d332f926f26070ca","schema_version":"1.0","event_id":"sha256:d2fb9880bf3ba46b27fc00e5f165ba9e950fcc255b353266d332f926f26070ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JR35N3K4CF7PGFGA2HX7HX5IZO/bundle.json","state_url":"https://pith.science/pith/JR35N3K4CF7PGFGA2HX7HX5IZO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JR35N3K4CF7PGFGA2HX7HX5IZO/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":"2026-06-25T11:22:18Z","links":{"resolver":"https://pith.science/pith/JR35N3K4CF7PGFGA2HX7HX5IZO","bundle":"https://pith.science/pith/JR35N3K4CF7PGFGA2HX7HX5IZO/bundle.json","state":"https://pith.science/pith/JR35N3K4CF7PGFGA2HX7HX5IZO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JR35N3K4CF7PGFGA2HX7HX5IZO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JR35N3K4CF7PGFGA2HX7HX5IZO","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":"9ea86331fd141fb52f90e15cc9f5e93a4618f43a19d23123b93bdc44a0738391","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-02-21T10:30:26Z","title_canon_sha256":"7e4a65808017625edb3fbe9bf5cc404e4b1c959c036c0444fea18e380777a81e"},"schema_version":"1.0","source":{"id":"2602.18785","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.18785","created_at":"2026-06-11T01:10:34Z"},{"alias_kind":"arxiv_version","alias_value":"2602.18785v2","created_at":"2026-06-11T01:10:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.18785","created_at":"2026-06-11T01:10:34Z"},{"alias_kind":"pith_short_12","alias_value":"JR35N3K4CF7P","created_at":"2026-06-11T01:10:34Z"},{"alias_kind":"pith_short_16","alias_value":"JR35N3K4CF7PGFGA","created_at":"2026-06-11T01:10:34Z"},{"alias_kind":"pith_short_8","alias_value":"JR35N3K4","created_at":"2026-06-11T01:10:34Z"}],"graph_snapshots":[{"event_id":"sha256:d2fb9880bf3ba46b27fc00e5f165ba9e950fcc255b353266d332f926f26070ca","target":"graph","created_at":"2026-06-11T01:10:34Z","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/2602.18785/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fluid phase equilibrium depends on the external constraints imposed on a system. In a closed system with fixed volume, depending on the average density, a vapor bubble may be stable, metastable, or unstable, with respect to the homogeneous liquid phase. In the case where the bubble is metastable, we study its lifetime, i.e. the average waiting time needed to observe bubble collapse, and the corresponding lifetime of the homogeneous liquid. For the smallest systems, we predict the possibility to observe phase flipping, when the fluid oscillates between states with and without bubble. We provide","authors_text":"Alberto Zaragoza, Chantal Valeriani, Fr\\'ed\\'eric Caupin, Miguel A. Gonzalez","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-02-21T10:30:26Z","title":"Phase fluctuations in a confined fluid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.18785","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":"sha256:0d2d208de79f85b61e9833b3d1b979781904bde6f8dfccc87f45170c6897b6a3","target":"record","created_at":"2026-06-11T01:10:34Z","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":"9ea86331fd141fb52f90e15cc9f5e93a4618f43a19d23123b93bdc44a0738391","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-02-21T10:30:26Z","title_canon_sha256":"7e4a65808017625edb3fbe9bf5cc404e4b1c959c036c0444fea18e380777a81e"},"schema_version":"1.0","source":{"id":"2602.18785","kind":"arxiv","version":2}},"canonical_sha256":"4c77d6ed5c117ef314c0d1eff3dfa8cb93ad954586464a0c40fe7550a59bb3a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c77d6ed5c117ef314c0d1eff3dfa8cb93ad954586464a0c40fe7550a59bb3a5","first_computed_at":"2026-06-11T01:10:34.309627Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-11T01:10:34.309627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NMcKsLAuNzENdY85oj/bvyRLHCf1fP+HGI5sWUb1iQCMT7NHNG3QBSkUafN5RbfSTQziBvrxgU6HYGzubsJcDw==","signature_status":"signed_v1","signed_at":"2026-06-11T01:10:34.310630Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.18785","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d2d208de79f85b61e9833b3d1b979781904bde6f8dfccc87f45170c6897b6a3","sha256:d2fb9880bf3ba46b27fc00e5f165ba9e950fcc255b353266d332f926f26070ca"],"state_sha256":"76e60f285215cbd83c52e13a0032c2b1e861ca8b1ac9b7ddbba244d956a7148f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cgqMwG1ndtwS61lbcLWQXuOeXsWG1CchUOhFlKR+INnRSaR4jcAgtjYDn0s7VelbO7mjGggkmCbhteLmdhDfBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T11:22:18.597845Z","bundle_sha256":"4a162c88512ac2674c338f35a9c554a3c245d9f861b84e22f5506f70bc28b3bb"}}