{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:A3MEZBWNU2VHXZIENZQDY6KTRR","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":"b1dbd9f73f235b098682c48954b1b40504c26dc3f85cf0b3a5c89d0962b3a9b0","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-06-18T15:46:04Z","title_canon_sha256":"fb792870cd7dbf967b10bd75bf96d4fe97c4b9a9f80eea07364026ec460429af"},"schema_version":"1.0","source":{"id":"2406.12724","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.12724","created_at":"2026-07-05T08:33:50Z"},{"alias_kind":"arxiv_version","alias_value":"2406.12724v1","created_at":"2026-07-05T08:33:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.12724","created_at":"2026-07-05T08:33:50Z"},{"alias_kind":"pith_short_12","alias_value":"A3MEZBWNU2VH","created_at":"2026-07-05T08:33:50Z"},{"alias_kind":"pith_short_16","alias_value":"A3MEZBWNU2VHXZIE","created_at":"2026-07-05T08:33:50Z"},{"alias_kind":"pith_short_8","alias_value":"A3MEZBWN","created_at":"2026-07-05T08:33:50Z"}],"graph_snapshots":[{"event_id":"sha256:c1074d9aac4b0513f0a77cd974433f3b3cf0b05777e253e06febfbb62e1169d8","target":"graph","created_at":"2026-07-05T08:33:50Z","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/2406.12724/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Viscous unified dark matter models aim to describe the dark sector of the Universe, as the dark matter fluid itself gives rise to an accelerated expansion due to a negative bulk viscous pressure. However, in most studies, radiation is often disregarded as a minor factor in dynamical system analyses, overlooking whether radiation domination is achievable. In this paper, we rigorously examine this critical aspect for common parameterizations of bulk viscosity, denoted as $\\xi$, within two general classes of viscous unified models. Our findings reveal significant inconsistencies in models where $","authors_text":"Gabriel Gomez, Guillermo Palma, Norman Cruz","cross_cats":["astro-ph.CO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-06-18T15:46:04Z","title":"Viscous Unified Dark Matter Models Under Scrutiny: Uncovering Inconsistencies from Dynamical System Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.12724","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":"sha256:9182631e7c14d7de1c0c1b6665bd73545e29841280d3d7aadb32e303469f3265","target":"record","created_at":"2026-07-05T08:33:50Z","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":"b1dbd9f73f235b098682c48954b1b40504c26dc3f85cf0b3a5c89d0962b3a9b0","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-06-18T15:46:04Z","title_canon_sha256":"fb792870cd7dbf967b10bd75bf96d4fe97c4b9a9f80eea07364026ec460429af"},"schema_version":"1.0","source":{"id":"2406.12724","kind":"arxiv","version":1}},"canonical_sha256":"06d84c86cda6aa7be5046e603c79538c6c23db42658f74d1b64243cf3ebcec77","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06d84c86cda6aa7be5046e603c79538c6c23db42658f74d1b64243cf3ebcec77","first_computed_at":"2026-07-05T08:33:50.559519Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:33:50.559519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZYVbmj9Y/t3K2y/c90nbfJ1EKuTgeFq9zInThxWoZ9MoBjvcsFQ7XEfI7llTtrMscijvRoqVdLAxlf5R/7eOAg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:33:50.560000Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.12724","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9182631e7c14d7de1c0c1b6665bd73545e29841280d3d7aadb32e303469f3265","sha256:c1074d9aac4b0513f0a77cd974433f3b3cf0b05777e253e06febfbb62e1169d8"],"state_sha256":"2c3bfc44b9206036d078a4f26321998c62a8cb2f97aaab819c7788323997cb1b"}