{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:4TWIQZ6YXGN2Y3PUDENIPGONKZ","short_pith_number":"pith:4TWIQZ6Y","schema_version":"1.0","canonical_sha256":"e4ec8867d8b99bac6df4191a8799cd56672afee6fef3b36a6e4dc2ca9f846ce2","source":{"kind":"arxiv","id":"2302.03545","version":2},"attestation_state":"computed","paper":{"title":"The effective field theory approach to the strong coupling issue in $f(T)$ gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Bo Wang, Emmanuel N. Saridakis, Xin Ren, Yaqi Zhao, Yi-Fu Cai, Yu-Min Hu","submitted_at":"2023-02-07T15:54:04Z","abstract_excerpt":"We investigate the scalar perturbations and the possible strong coupling issues of $f(T)$ around a cosmological background, applying the effective field theory (EFT) approach. We revisit the generalized EFT framework of modified teleparallel gravity and apply it by considering both linear and second-order perturbations for $f(T)$ theory. No new scalar mode is present in linear and second-order perturbations in $f(T)$ gravity, which suggests a strong coupling problem. However, based on the ratio of cubic to quadratic Lagrangians, we provide a simple estimation of the strong coupling scale, a re"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2302.03545","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-02-07T15:54:04Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"8da19fbb4723d243aabd2e3e75f4911daa5a5e44c0f0ec2d79b96ab632a3bfb0","abstract_canon_sha256":"d8e7eab9e2f226d46eee1ec3bda83825ea0d47e031f5f85dc45c3fb93b4f4e16"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:14:52.181440Z","signature_b64":"B9gbrI3PuPLN824UFTueGnK9Azgs9Cq8WUuJR1g5JoxD3e95ROMoLW6ghIkY/nReWsZpHL5x2hiBVMeAeAF+DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4ec8867d8b99bac6df4191a8799cd56672afee6fef3b36a6e4dc2ca9f846ce2","last_reissued_at":"2026-07-05T07:14:52.180963Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:14:52.180963Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The effective field theory approach to the strong coupling issue in $f(T)$ gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Bo Wang, Emmanuel N. Saridakis, Xin Ren, Yaqi Zhao, Yi-Fu Cai, Yu-Min Hu","submitted_at":"2023-02-07T15:54:04Z","abstract_excerpt":"We investigate the scalar perturbations and the possible strong coupling issues of $f(T)$ around a cosmological background, applying the effective field theory (EFT) approach. We revisit the generalized EFT framework of modified teleparallel gravity and apply it by considering both linear and second-order perturbations for $f(T)$ theory. No new scalar mode is present in linear and second-order perturbations in $f(T)$ gravity, which suggests a strong coupling problem. However, based on the ratio of cubic to quadratic Lagrangians, we provide a simple estimation of the strong coupling scale, a re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.03545","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.03545/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2302.03545","created_at":"2026-07-05T07:14:52.181017+00:00"},{"alias_kind":"arxiv_version","alias_value":"2302.03545v2","created_at":"2026-07-05T07:14:52.181017+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.03545","created_at":"2026-07-05T07:14:52.181017+00:00"},{"alias_kind":"pith_short_12","alias_value":"4TWIQZ6YXGN2","created_at":"2026-07-05T07:14:52.181017+00:00"},{"alias_kind":"pith_short_16","alias_value":"4TWIQZ6YXGN2Y3PU","created_at":"2026-07-05T07:14:52.181017+00:00"},{"alias_kind":"pith_short_8","alias_value":"4TWIQZ6Y","created_at":"2026-07-05T07:14:52.181017+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.25117","citing_title":"Covariant quantization of the Einstein-Hilbert theory in first-order form","ref_index":34,"is_internal_anchor":false},{"citing_arxiv_id":"2604.25117","citing_title":"Covariant quantization of the Einstein-Hilbert theory in first-order form","ref_index":34,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4TWIQZ6YXGN2Y3PUDENIPGONKZ","json":"https://pith.science/pith/4TWIQZ6YXGN2Y3PUDENIPGONKZ.json","graph_json":"https://pith.science/api/pith-number/4TWIQZ6YXGN2Y3PUDENIPGONKZ/graph.json","events_json":"https://pith.science/api/pith-number/4TWIQZ6YXGN2Y3PUDENIPGONKZ/events.json","paper":"https://pith.science/paper/4TWIQZ6Y"},"agent_actions":{"view_html":"https://pith.science/pith/4TWIQZ6YXGN2Y3PUDENIPGONKZ","download_json":"https://pith.science/pith/4TWIQZ6YXGN2Y3PUDENIPGONKZ.json","view_paper":"https://pith.science/paper/4TWIQZ6Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2302.03545&json=true","fetch_graph":"https://pith.science/api/pith-number/4TWIQZ6YXGN2Y3PUDENIPGONKZ/graph.json","fetch_events":"https://pith.science/api/pith-number/4TWIQZ6YXGN2Y3PUDENIPGONKZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4TWIQZ6YXGN2Y3PUDENIPGONKZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4TWIQZ6YXGN2Y3PUDENIPGONKZ/action/storage_attestation","attest_author":"https://pith.science/pith/4TWIQZ6YXGN2Y3PUDENIPGONKZ/action/author_attestation","sign_citation":"https://pith.science/pith/4TWIQZ6YXGN2Y3PUDENIPGONKZ/action/citation_signature","submit_replication":"https://pith.science/pith/4TWIQZ6YXGN2Y3PUDENIPGONKZ/action/replication_record"}},"created_at":"2026-07-05T07:14:52.181017+00:00","updated_at":"2026-07-05T07:14:52.181017+00:00"}