{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:SUUZWFONRTAPHS5COWL7JCSOAG","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":"89433bb86d75801d308518b202346dea607189d841fed8d34c441fc267db1cee","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-10-23T15:13:52Z","title_canon_sha256":"733e7c2594ad7ff693a5314aac0baf2d53bde411b0fbce3fdc2d7951eb395562"},"schema_version":"1.0","source":{"id":"2310.15018","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.15018","created_at":"2026-07-05T07:56:00Z"},{"alias_kind":"arxiv_version","alias_value":"2310.15018v3","created_at":"2026-07-05T07:56:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.15018","created_at":"2026-07-05T07:56:00Z"},{"alias_kind":"pith_short_12","alias_value":"SUUZWFONRTAP","created_at":"2026-07-05T07:56:00Z"},{"alias_kind":"pith_short_16","alias_value":"SUUZWFONRTAPHS5C","created_at":"2026-07-05T07:56:00Z"},{"alias_kind":"pith_short_8","alias_value":"SUUZWFON","created_at":"2026-07-05T07:56:00Z"}],"graph_snapshots":[{"event_id":"sha256:2863f4207151084e92bb3cba557f64e6fef2b2cca66d98aac919d46edd1cb9bf","target":"graph","created_at":"2026-07-05T07:56:00Z","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/2310.15018/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, we analyze the possibility of gravitationally induced matter creation in the so-called Energy-Momentum-Squared gravity (EMSG), i.e. $f(R,T_{\\mu\\nu}T^{\\mu\\nu})$ gravity, in its dynamically equivalent scalar-tensor representation. Given the explicit nonminimal coupling between matter and geometry in this theory, the energy-momentum tensor is not generally covariantly conserved, which motivates the study of cosmological scenarios by resorting to the formalism of irreversible thermodynamics of open systems. We start by deriving the universe matter creation rates and subsequent thermo","authors_text":"Francisco S. N. Lobo, Jo\\~ao Lu\\'is Rosa, Miguel A. S. Pinto, Ricardo A. C. Cipriano, Tiberiu Harko","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-10-23T15:13:52Z","title":"Gravitationally induced matter creation in scalar-tensor $f(R,T_{\\mu\\nu}T^{\\mu\\nu})$ gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.15018","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":"sha256:506b1c89e0f282a511460fa66a85ac23ce81aadd2745e7142809fb3dfc7ebd80","target":"record","created_at":"2026-07-05T07:56:00Z","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":"89433bb86d75801d308518b202346dea607189d841fed8d34c441fc267db1cee","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-10-23T15:13:52Z","title_canon_sha256":"733e7c2594ad7ff693a5314aac0baf2d53bde411b0fbce3fdc2d7951eb395562"},"schema_version":"1.0","source":{"id":"2310.15018","kind":"arxiv","version":3}},"canonical_sha256":"95299b15cd8cc0f3cba27597f48a4e019bcdd94b3bcf3ef05f2feab0864c6922","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95299b15cd8cc0f3cba27597f48a4e019bcdd94b3bcf3ef05f2feab0864c6922","first_computed_at":"2026-07-05T07:56:00.739223Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:56:00.739223Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FY3pZ1nIAEv4bKgPuaCXGwJr1jBvx15929DxaHlgqzB8ov9HsYyec+zZcYmqaisTXHPludhc/+47KPYIm+3BCw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:56:00.739791Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.15018","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:506b1c89e0f282a511460fa66a85ac23ce81aadd2745e7142809fb3dfc7ebd80","sha256:2863f4207151084e92bb3cba557f64e6fef2b2cca66d98aac919d46edd1cb9bf"],"state_sha256":"effba8d110f8cb6d6a724aa35e6767cfc4f47160f563072bdaccd988140c5a5b"}