{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:WM2TTSMFDT3R3XGPZMWV7ZGBQK","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":"4ba817201b84642ae7e63da83ab1a678a32476e047f1ff73a4fb1ad80f6fcac1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-12-16T06:58:34Z","title_canon_sha256":"eb2e1a2479f77c0774474e3b668026776e131fb63f4cfd147ae442903012ac2f"},"schema_version":"1.0","source":{"id":"2212.08304","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.08304","created_at":"2026-07-05T06:10:26Z"},{"alias_kind":"arxiv_version","alias_value":"2212.08304v2","created_at":"2026-07-05T06:10:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.08304","created_at":"2026-07-05T06:10:26Z"},{"alias_kind":"pith_short_12","alias_value":"WM2TTSMFDT3R","created_at":"2026-07-05T06:10:26Z"},{"alias_kind":"pith_short_16","alias_value":"WM2TTSMFDT3R3XGP","created_at":"2026-07-05T06:10:26Z"},{"alias_kind":"pith_short_8","alias_value":"WM2TTSMF","created_at":"2026-07-05T06:10:26Z"}],"graph_snapshots":[{"event_id":"sha256:2ef72c95ca7897079c00dff9a70e3e4e388db668f4bb495a4e0687c3cb5738b0","target":"graph","created_at":"2026-07-05T06:10:26Z","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/2212.08304/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In general relativity, the contracted Bianchi identity makes the field equation compatible with the energy conservation, likewise in $f(R)$ theories of gravity. We show that this classical phenomenon is not guaranteed in the symmetric teleparallel theory, and rather generally $f(Q)$ model specific. We further prove that the energy conservation criterion is equivalent to the affine connection's field equation of $f(Q)$ theory, and except the $f(Q)=\\alpha Q+\\beta$ model, the non-linear $f(Q)$ models do not satisfy the energy conservation or, equivalently the second field equation in every spacet","authors_text":"Avik De, Tee-How Loo","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-12-16T06:58:34Z","title":"On the viability of $f(Q)$ gravity models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.08304","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":"sha256:6e678edd9ad6e359290feefdc61b7baf76b619bae0dd0f16f6f5dfa98fc41ece","target":"record","created_at":"2026-07-05T06:10:26Z","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":"4ba817201b84642ae7e63da83ab1a678a32476e047f1ff73a4fb1ad80f6fcac1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-12-16T06:58:34Z","title_canon_sha256":"eb2e1a2479f77c0774474e3b668026776e131fb63f4cfd147ae442903012ac2f"},"schema_version":"1.0","source":{"id":"2212.08304","kind":"arxiv","version":2}},"canonical_sha256":"b33539c9851cf71ddccfcb2d5fe4c182b893950abd832b41528d12b9b37ef918","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b33539c9851cf71ddccfcb2d5fe4c182b893950abd832b41528d12b9b37ef918","first_computed_at":"2026-07-05T06:10:26.048047Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:10:26.048047Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XjwODIXE3Qg4LksPegHakiQtW2t2222qptY1K+UJRS/QGS0RXDqSA9c8NrBafSjHrWbyBOpFmo43F36csRIGBw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:10:26.048465Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.08304","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e678edd9ad6e359290feefdc61b7baf76b619bae0dd0f16f6f5dfa98fc41ece","sha256:2ef72c95ca7897079c00dff9a70e3e4e388db668f4bb495a4e0687c3cb5738b0"],"state_sha256":"daf53c3049c283dc72e4dac8f1a418332f5df8c9cbde857dbcab53ddfc7024b1"}