{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:QDYI5VIW4LNHQUJZ2ED3TMSDH3","short_pith_number":"pith:QDYI5VIW","schema_version":"1.0","canonical_sha256":"80f08ed516e2da785139d107b9b2433edffeb2ba1a2dcdaf9ebb8baae2f364ec","source":{"kind":"arxiv","id":"2307.04784","version":1},"attestation_state":"computed","paper":{"title":"Positivity-causality competition: a road to ultimate EFT consistency constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Anna Tokareva, Claudia de Rham, Mariana Carrillo Gonz\\'alez, Sumer Jaitly, Victor Pozsgay","submitted_at":"2023-07-10T18:00:00Z","abstract_excerpt":"Effective field theories (EFT) are strongly constrained by fundamental principles such as unitarity, locality, causality, and Lorentz invariance. In this paper, we consider the EFT of photons (or other $U(1)$ gauge field) and compare different approaches to obtain bounds on its Wilson coefficients. We present an analytic derivation of the implications of unitarity (linear and non-linear positivity bounds) and compare these constraints with the requirement of causal propagation of the photon modes around non-trivial backgrounds generated by external sources. We find that the low energy causalit"},"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":"2307.04784","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2023-07-10T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"989521f4629266355c44be9e8dc4e95c620a3fa36c3af2580ff47ca7190fb4fc","abstract_canon_sha256":"309c75761628fd50389b09ca46acb0ce6ed90af916929e8f5bc63729209012af"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:29:22.138249Z","signature_b64":"cMsMNeJ7mSxxVIJ0E3I4st5ryJgn9ezA5B4mK0W/AyAEp07nLg6K1lqSh+6PCsX5nzyTMGCby0OAVDpzhSe5Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80f08ed516e2da785139d107b9b2433edffeb2ba1a2dcdaf9ebb8baae2f364ec","last_reissued_at":"2026-07-05T06:29:22.137814Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:29:22.137814Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Positivity-causality competition: a road to ultimate EFT consistency constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Anna Tokareva, Claudia de Rham, Mariana Carrillo Gonz\\'alez, Sumer Jaitly, Victor Pozsgay","submitted_at":"2023-07-10T18:00:00Z","abstract_excerpt":"Effective field theories (EFT) are strongly constrained by fundamental principles such as unitarity, locality, causality, and Lorentz invariance. In this paper, we consider the EFT of photons (or other $U(1)$ gauge field) and compare different approaches to obtain bounds on its Wilson coefficients. We present an analytic derivation of the implications of unitarity (linear and non-linear positivity bounds) and compare these constraints with the requirement of causal propagation of the photon modes around non-trivial backgrounds generated by external sources. We find that the low energy causalit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.04784","kind":"arxiv","version":1},"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/2307.04784/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":"2307.04784","created_at":"2026-07-05T06:29:22.137870+00:00"},{"alias_kind":"arxiv_version","alias_value":"2307.04784v1","created_at":"2026-07-05T06:29:22.137870+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.04784","created_at":"2026-07-05T06:29:22.137870+00:00"},{"alias_kind":"pith_short_12","alias_value":"QDYI5VIW4LNH","created_at":"2026-07-05T06:29:22.137870+00:00"},{"alias_kind":"pith_short_16","alias_value":"QDYI5VIW4LNHQUJZ","created_at":"2026-07-05T06:29:22.137870+00:00"},{"alias_kind":"pith_short_8","alias_value":"QDYI5VIW","created_at":"2026-07-05T06:29:22.137870+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.23323","citing_title":"Bounds on nonlinear electrodynamics via resummed relative entropy","ref_index":16,"is_internal_anchor":false},{"citing_arxiv_id":"2606.23323","citing_title":"Bounds on nonlinear electrodynamics via resummed relative entropy","ref_index":16,"is_internal_anchor":false},{"citing_arxiv_id":"2412.19745","citing_title":"IR side of bounds on Theories with Spontaneously Broken Lorentz Symmetry","ref_index":19,"is_internal_anchor":false},{"citing_arxiv_id":"2506.22546","citing_title":"Primal S-matrix bootstrap with dispersion relations","ref_index":55,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QDYI5VIW4LNHQUJZ2ED3TMSDH3","json":"https://pith.science/pith/QDYI5VIW4LNHQUJZ2ED3TMSDH3.json","graph_json":"https://pith.science/api/pith-number/QDYI5VIW4LNHQUJZ2ED3TMSDH3/graph.json","events_json":"https://pith.science/api/pith-number/QDYI5VIW4LNHQUJZ2ED3TMSDH3/events.json","paper":"https://pith.science/paper/QDYI5VIW"},"agent_actions":{"view_html":"https://pith.science/pith/QDYI5VIW4LNHQUJZ2ED3TMSDH3","download_json":"https://pith.science/pith/QDYI5VIW4LNHQUJZ2ED3TMSDH3.json","view_paper":"https://pith.science/paper/QDYI5VIW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2307.04784&json=true","fetch_graph":"https://pith.science/api/pith-number/QDYI5VIW4LNHQUJZ2ED3TMSDH3/graph.json","fetch_events":"https://pith.science/api/pith-number/QDYI5VIW4LNHQUJZ2ED3TMSDH3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QDYI5VIW4LNHQUJZ2ED3TMSDH3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QDYI5VIW4LNHQUJZ2ED3TMSDH3/action/storage_attestation","attest_author":"https://pith.science/pith/QDYI5VIW4LNHQUJZ2ED3TMSDH3/action/author_attestation","sign_citation":"https://pith.science/pith/QDYI5VIW4LNHQUJZ2ED3TMSDH3/action/citation_signature","submit_replication":"https://pith.science/pith/QDYI5VIW4LNHQUJZ2ED3TMSDH3/action/replication_record"}},"created_at":"2026-07-05T06:29:22.137870+00:00","updated_at":"2026-07-05T06:29:22.137870+00:00"}