{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:43J7PCSXCVLZIQ2HLZKC3C7CTC","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":"e5cac914166dc422eecefbf2c9fdf959b508c72b69df894276b13f9b12705e3f","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-10-05T17:51:55Z","title_canon_sha256":"6a74f1121d46cee168e211cb030a0731e37a669f36b348acb616a361a0c91b2b"},"schema_version":"1.0","source":{"id":"2210.02431","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.02431","created_at":"2026-07-05T05:45:33Z"},{"alias_kind":"arxiv_version","alias_value":"2210.02431v3","created_at":"2026-07-05T05:45:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.02431","created_at":"2026-07-05T05:45:33Z"},{"alias_kind":"pith_short_12","alias_value":"43J7PCSXCVLZ","created_at":"2026-07-05T05:45:33Z"},{"alias_kind":"pith_short_16","alias_value":"43J7PCSXCVLZIQ2H","created_at":"2026-07-05T05:45:33Z"},{"alias_kind":"pith_short_8","alias_value":"43J7PCSX","created_at":"2026-07-05T05:45:33Z"}],"graph_snapshots":[{"event_id":"sha256:08152e652d7b24c914987c6db7d60c991ebfc7d249d7dc3109ece46ee34f091e","target":"graph","created_at":"2026-07-05T05:45:33Z","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/2210.02431/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that the Einstein field equations with a negative cosmological constant can admit black hole solutions whose thermodynamics coincides with that of logotropic fluids, recently investigated to heal some cosmological and astrophysical issues. For this purpose, we adopt the Anton-Schmidt equation of state, which represents a generalized version of logotropic fluids. We thus propose a general treatment to obtain an asymptotic anti-de Sitter metric, reproducing the thermodynamic properties of both Anton-Schmidt and logotropic fluids. Hence, we explore how to construct suitable spacetime func","authors_text":"Alessio Lapponi, Orlando Luongo, Rocco D'Agostino, Salvatore Capozziello","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-10-05T17:51:55Z","title":"Black hole thermodynamics from logotropic fluids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.02431","kind":"arxiv","version":3},"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":"sha256:2461a5724362de252f3249c0f304eaedff024cc9e11ccea92c4992a0516b80e3","target":"record","created_at":"2026-07-05T05:45:33Z","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":"e5cac914166dc422eecefbf2c9fdf959b508c72b69df894276b13f9b12705e3f","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2022-10-05T17:51:55Z","title_canon_sha256":"6a74f1121d46cee168e211cb030a0731e37a669f36b348acb616a361a0c91b2b"},"schema_version":"1.0","source":{"id":"2210.02431","kind":"arxiv","version":3}},"canonical_sha256":"e6d3f78a5715579443475e542d8be298b13329d82d7f3a370ffb72bc37512d36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6d3f78a5715579443475e542d8be298b13329d82d7f3a370ffb72bc37512d36","first_computed_at":"2026-07-05T05:45:33.602551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:45:33.602551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5rkebX+3OZ4AQlu79URv4j0e29uhlrWmdSLJJXWeaS4QEG/mNTG3hYfwdm1o7LNzMDhS+bQm/1Ne4/RnAw/1Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:45:33.602902Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.02431","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2461a5724362de252f3249c0f304eaedff024cc9e11ccea92c4992a0516b80e3","sha256:08152e652d7b24c914987c6db7d60c991ebfc7d249d7dc3109ece46ee34f091e"],"state_sha256":"986097b845df58e9e99a4b7e0ceb7e0357705b30e2cc705637705e8bcf3df18e"}