{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:UTZF6Y4HZS7UKQUXVP4P5SEF6C","short_pith_number":"pith:UTZF6Y4H","schema_version":"1.0","canonical_sha256":"a4f25f6387ccbf454297abf8fec885f0befc258dff7478c1cd04297d6ea778d0","source":{"kind":"arxiv","id":"1712.08623","version":2},"attestation_state":"computed","paper":{"title":"Direct detection of gravitational waves can measure the time variation of the Planck mass","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Ignacy Sawicki, Ippocratis D. Saltas, Luca Amendola, Martin Kunz","submitted_at":"2017-12-22T19:07:15Z","abstract_excerpt":"The recent discovery of a $\\gamma$-ray counterpart to a gravitational wave event has put extremely stringent constraints on the speed of gravitational waves at the present epoch. In turn, these constraints place strong theoretical pressure on potential modifications of gravity, essentially allowing only a conformally-coupled scalar to be active in the present Universe. In this paper, we show that direct detection of gravitational waves from optically identified sources can also measure or constrain the strength of the conformal coupling in scalar--tensor models through the time variation of th"},"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":"1712.08623","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-12-22T19:07:15Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"12d63c0d7ca821141ce6bfc6b66d8fb20f6896d1e94604518456bc27511ec969","abstract_canon_sha256":"425d62f16bb917816a93d2028fa637d2af0a39fbce4d95de95acf3e34d5c740d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:25.156697Z","signature_b64":"Kdy1wkwQlGxt/IxcpAtTdhPm7jpTvx4rMTs7wYINhJal7gZaAIxLWtrb6zNxCRzUx2x6XmaynDpGKmuDd4kOAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4f25f6387ccbf454297abf8fec885f0befc258dff7478c1cd04297d6ea778d0","last_reissued_at":"2026-05-17T23:58:25.156023Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:25.156023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct detection of gravitational waves can measure the time variation of the Planck mass","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Ignacy Sawicki, Ippocratis D. Saltas, Luca Amendola, Martin Kunz","submitted_at":"2017-12-22T19:07:15Z","abstract_excerpt":"The recent discovery of a $\\gamma$-ray counterpart to a gravitational wave event has put extremely stringent constraints on the speed of gravitational waves at the present epoch. In turn, these constraints place strong theoretical pressure on potential modifications of gravity, essentially allowing only a conformally-coupled scalar to be active in the present Universe. In this paper, we show that direct detection of gravitational waves from optically identified sources can also measure or constrain the strength of the conformal coupling in scalar--tensor models through the time variation of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.08623","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":""},"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":"1712.08623","created_at":"2026-05-17T23:58:25.156127+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.08623v2","created_at":"2026-05-17T23:58:25.156127+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.08623","created_at":"2026-05-17T23:58:25.156127+00:00"},{"alias_kind":"pith_short_12","alias_value":"UTZF6Y4HZS7U","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_16","alias_value":"UTZF6Y4HZS7UKQUX","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_8","alias_value":"UTZF6Y4H","created_at":"2026-05-18T12:31:49.984773+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":3,"sample":[{"citing_arxiv_id":"2510.16955","citing_title":"On the use of the Derivative Approximation for Likelihoods for Gravitational Wave Inference","ref_index":56,"is_internal_anchor":true},{"citing_arxiv_id":"1912.02622","citing_title":"Science Case for the Einstein Telescope","ref_index":204,"is_internal_anchor":true},{"citing_arxiv_id":"2605.12606","citing_title":"Radio sirens: inferring $H_0$ with binary black holes and neutral hydrogen in the era of the Einstein Telescope and the SKA Observatory","ref_index":122,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UTZF6Y4HZS7UKQUXVP4P5SEF6C","json":"https://pith.science/pith/UTZF6Y4HZS7UKQUXVP4P5SEF6C.json","graph_json":"https://pith.science/api/pith-number/UTZF6Y4HZS7UKQUXVP4P5SEF6C/graph.json","events_json":"https://pith.science/api/pith-number/UTZF6Y4HZS7UKQUXVP4P5SEF6C/events.json","paper":"https://pith.science/paper/UTZF6Y4H"},"agent_actions":{"view_html":"https://pith.science/pith/UTZF6Y4HZS7UKQUXVP4P5SEF6C","download_json":"https://pith.science/pith/UTZF6Y4HZS7UKQUXVP4P5SEF6C.json","view_paper":"https://pith.science/paper/UTZF6Y4H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.08623&json=true","fetch_graph":"https://pith.science/api/pith-number/UTZF6Y4HZS7UKQUXVP4P5SEF6C/graph.json","fetch_events":"https://pith.science/api/pith-number/UTZF6Y4HZS7UKQUXVP4P5SEF6C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UTZF6Y4HZS7UKQUXVP4P5SEF6C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UTZF6Y4HZS7UKQUXVP4P5SEF6C/action/storage_attestation","attest_author":"https://pith.science/pith/UTZF6Y4HZS7UKQUXVP4P5SEF6C/action/author_attestation","sign_citation":"https://pith.science/pith/UTZF6Y4HZS7UKQUXVP4P5SEF6C/action/citation_signature","submit_replication":"https://pith.science/pith/UTZF6Y4HZS7UKQUXVP4P5SEF6C/action/replication_record"}},"created_at":"2026-05-17T23:58:25.156127+00:00","updated_at":"2026-05-17T23:58:25.156127+00:00"}