{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:25EM4HTZYHDS4QYZSYHIAJIFOV","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":"ea340238e941c96ffa8791739fc93500547a377fd5cb499bf73c086715c6432a","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-06-03T15:12:42Z","title_canon_sha256":"943c7f37bda8691862b14fbcffed50863d4e9c3f5a148ade9bd534fe14f74e3d"},"schema_version":"1.0","source":{"id":"2406.01412","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.01412","created_at":"2026-07-05T10:06:41Z"},{"alias_kind":"arxiv_version","alias_value":"2406.01412v2","created_at":"2026-07-05T10:06:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.01412","created_at":"2026-07-05T10:06:41Z"},{"alias_kind":"pith_short_12","alias_value":"25EM4HTZYHDS","created_at":"2026-07-05T10:06:41Z"},{"alias_kind":"pith_short_16","alias_value":"25EM4HTZYHDS4QYZ","created_at":"2026-07-05T10:06:41Z"},{"alias_kind":"pith_short_8","alias_value":"25EM4HTZ","created_at":"2026-07-05T10:06:41Z"}],"graph_snapshots":[{"event_id":"sha256:f945e5772732ef5a22a3467f77ae269235f4cd778c7f616fb94abf61262475a2","target":"graph","created_at":"2026-07-05T10:06:41Z","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/2406.01412/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Motivated by cosmological applications for interacting matters, an extension of the action functional for relativistic fluids is proposed to incorporate the physics of non-adiabatic processes and chemical reactions. The former are characterised by entropy growth, while the latter violate particle number conservation. The relevance of these physics is demonstrated in the contexts of self-interacting fluids, fluids interacting with scalar fields, and hyperhydrodynamical interactions with geometry. The possible cosmological applications range from early-universe phase transitions to astrophysical","authors_text":"Damianos Iosifidis, Erik Jensko, Tomi S. Koivisto","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-06-03T15:12:42Z","title":"Relativistic interacting fluids in cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.01412","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:e5d67274d17a5cf710771761730ec3ef0a38163ed8352ae79d8fb6552bb0e8df","target":"record","created_at":"2026-07-05T10:06:41Z","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":"ea340238e941c96ffa8791739fc93500547a377fd5cb499bf73c086715c6432a","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-06-03T15:12:42Z","title_canon_sha256":"943c7f37bda8691862b14fbcffed50863d4e9c3f5a148ade9bd534fe14f74e3d"},"schema_version":"1.0","source":{"id":"2406.01412","kind":"arxiv","version":2}},"canonical_sha256":"d748ce1e79c1c72e4319960e802505755c1e7dd2d007c41940ea9e12218f2af1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d748ce1e79c1c72e4319960e802505755c1e7dd2d007c41940ea9e12218f2af1","first_computed_at":"2026-07-05T10:06:41.070959Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:06:41.070959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uEWaEsvXO/2zmLQV+9F3t9CitC6g8tl6KB+e+ELHYjkd7cqYFfUg+0i7LmpXoEKUZyn0suOtXG+cb0H5ZHZ1Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:06:41.071452Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.01412","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5d67274d17a5cf710771761730ec3ef0a38163ed8352ae79d8fb6552bb0e8df","sha256:f945e5772732ef5a22a3467f77ae269235f4cd778c7f616fb94abf61262475a2"],"state_sha256":"bfd27411d99857b6ebe4590b10a402642578f54b4e4229e05ae763726a07aa21"}