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T","work_id":"fa42dab7-8535-493f-8e7f-723dbcba6d4d","year":null}],"snapshot_sha256":"35cf5de9962a56d19ca1d321bfb06de5a35a746ff21a61ab0d8c95693b7209c2"},"source":{"id":"2603.27386","kind":"arxiv","version":2},"verdict":{"created_at":"2026-05-14T21:24:03.227552Z","id":"4d8eb531-72c7-4394-90e7-d32702f880fa","model_set":{"reader":"grok-4.3"},"one_line_summary":"Scalar and tensor perturbations in Jordan-frame scalar-tensor gravity admit an exact linear-order Eckart effective-fluid description, with gravitational-wave damping governed by the scalar sector's transverse-traceless anisotropic stress.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"In Jordan-frame scalar-tensor gravity the modification to gravitational-wave damping is the effective transverse-traceless anisotropic stress from the scalar sector.","strongest_claim":"the Jordan-frame modification of gravitational-wave damping is identified with the effective transverse-traceless anisotropic stress of the scalar sector","weakest_assumption":"that the Einstein-like effective-fluid decomposition of the scalar sector remains valid and yields an exact Eckart-type constitutive identification at linear order in the scalar-gradient frame"}},"verdict_id":"4d8eb531-72c7-4394-90e7-d32702f880fa"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c11022313846a92e20eaf77f9757690cc3c841176851c6349b761e818dcd9a51","target":"record","created_at":"2026-05-29T02:05:43Z","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":"7ad97c848a55f481cc493f460d6db31bfccf4929e56daf4bedab34c35337345e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-03-28T19:37:17Z","title_canon_sha256":"723647808d71e4ff3622dc8e322020d5d34ad61c310da2ff6634d39897bb373f"},"schema_version":"1.0","source":{"id":"2603.27386","kind":"arxiv","version":2}},"canonical_sha256":"2d9ce454b61219fce34e471904bf921f5b214cf5aa53688f24ce29d13495ea48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2d9ce454b61219fce34e471904bf921f5b214cf5aa53688f24ce29d13495ea48","first_computed_at":"2026-05-29T02:05:43.813514Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-29T02:05:43.813514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aRrRqKiC0WBTekFg8V6EiFugT369IJ2rCzharQ9sa53OUqCwmWLwtRVjbtT1wJeIOtKWbOe1odkHK+njjfXBAQ==","signature_status":"signed_v1","signed_at":"2026-05-29T02:05:43.814360Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.27386","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c11022313846a92e20eaf77f9757690cc3c841176851c6349b761e818dcd9a51","sha256:db8e9a17f853b61007f99bf14a37dec1cda029038fd17dd6ea3add3b3a6b13ff"],"state_sha256":"2a00085933b3d244a54e78c62d13fc703109f8b4bd21e81031f0d564e3f9f9e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WLmR6Sjq2ZvmJ83p2FxffeOho6al0a51tbKqU2RddDv+BfRaF/R9e1fg0u7EPdlDcgb0Tv2+fnplBkZ4VM9kAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:54:25.619120Z","bundle_sha256":"4dacec472b5bfb798a1b781ae3d1ebe2149264d22a4f8665662b842cf9022481"}}