{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:TJKLWJDREPBNEXAW6LHVF5S4HO","short_pith_number":"pith:TJKLWJDR","schema_version":"1.0","canonical_sha256":"9a54bb247123c2d25c16f2cf52f65c3ba67c1d6444d9d5829a700513d26b68c9","source":{"kind":"arxiv","id":"2004.01632","version":2},"attestation_state":"computed","paper":{"title":"Probing modified gravity theories and cosmology using gravitational-waves and associated electromagnetic counterparts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"D. Steer, M. Barsuglia, S. Mastrogiovanni","submitted_at":"2020-04-03T15:52:44Z","abstract_excerpt":"The direct detection of gravitational waves by the LIGO-Virgo collaboration has opened a new window with which to measure cosmological parameters such as the Hubble constant $H_0$, and also probe general relativity on large scales. In this paper we present a new phenomenological approach, together with its inferencial implementation, for measuring deviations from general relativity (GR) on cosmological scales concurrently with a determination of $H_0$. We consider gravitational waves (GWs) propagating in an expanding homogeneous and isotropic background, but with a modified friction term and d"},"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":"2004.01632","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-04-03T15:52:44Z","cross_cats_sorted":[],"title_canon_sha256":"8ea5c7cd2d154dd2f01567666f17ec0490d7437e2dca3f2825c0522252060769","abstract_canon_sha256":"fad9a867a1366d4ab09b05c7a1a24b3c9a9ee12ca549c210d61a1c9e65103aab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:26:51.296697Z","signature_b64":"SDZrP+sfirrLXo7XlI+jI8gJfjiA9VMqBzGrcE+ZDmc7qa9+hWMTdoUS+wv2kMhIDF5+RIxEs2z6+RoklAWTCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a54bb247123c2d25c16f2cf52f65c3ba67c1d6444d9d5829a700513d26b68c9","last_reissued_at":"2026-07-05T01:26:51.296269Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:26:51.296269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing modified gravity theories and cosmology using gravitational-waves and associated electromagnetic counterparts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"D. Steer, M. Barsuglia, S. Mastrogiovanni","submitted_at":"2020-04-03T15:52:44Z","abstract_excerpt":"The direct detection of gravitational waves by the LIGO-Virgo collaboration has opened a new window with which to measure cosmological parameters such as the Hubble constant $H_0$, and also probe general relativity on large scales. In this paper we present a new phenomenological approach, together with its inferencial implementation, for measuring deviations from general relativity (GR) on cosmological scales concurrently with a determination of $H_0$. We consider gravitational waves (GWs) propagating in an expanding homogeneous and isotropic background, but with a modified friction term and d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.01632","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/2004.01632/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":"2004.01632","created_at":"2026-07-05T01:26:51.296336+00:00"},{"alias_kind":"arxiv_version","alias_value":"2004.01632v2","created_at":"2026-07-05T01:26:51.296336+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.01632","created_at":"2026-07-05T01:26:51.296336+00:00"},{"alias_kind":"pith_short_12","alias_value":"TJKLWJDREPBN","created_at":"2026-07-05T01:26:51.296336+00:00"},{"alias_kind":"pith_short_16","alias_value":"TJKLWJDREPBNEXAW","created_at":"2026-07-05T01:26:51.296336+00:00"},{"alias_kind":"pith_short_8","alias_value":"TJKLWJDR","created_at":"2026-07-05T01:26:51.296336+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.23056","citing_title":"Polarization States and Effective Stress Energy Tensor of Gravitational Waves in Metric $f(R)$ Gravity","ref_index":36,"is_internal_anchor":false},{"citing_arxiv_id":"2604.27185","citing_title":"Agnostically decoding gravitational wave model deficiencies in GWTC-3","ref_index":30,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TJKLWJDREPBNEXAW6LHVF5S4HO","json":"https://pith.science/pith/TJKLWJDREPBNEXAW6LHVF5S4HO.json","graph_json":"https://pith.science/api/pith-number/TJKLWJDREPBNEXAW6LHVF5S4HO/graph.json","events_json":"https://pith.science/api/pith-number/TJKLWJDREPBNEXAW6LHVF5S4HO/events.json","paper":"https://pith.science/paper/TJKLWJDR"},"agent_actions":{"view_html":"https://pith.science/pith/TJKLWJDREPBNEXAW6LHVF5S4HO","download_json":"https://pith.science/pith/TJKLWJDREPBNEXAW6LHVF5S4HO.json","view_paper":"https://pith.science/paper/TJKLWJDR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2004.01632&json=true","fetch_graph":"https://pith.science/api/pith-number/TJKLWJDREPBNEXAW6LHVF5S4HO/graph.json","fetch_events":"https://pith.science/api/pith-number/TJKLWJDREPBNEXAW6LHVF5S4HO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TJKLWJDREPBNEXAW6LHVF5S4HO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TJKLWJDREPBNEXAW6LHVF5S4HO/action/storage_attestation","attest_author":"https://pith.science/pith/TJKLWJDREPBNEXAW6LHVF5S4HO/action/author_attestation","sign_citation":"https://pith.science/pith/TJKLWJDREPBNEXAW6LHVF5S4HO/action/citation_signature","submit_replication":"https://pith.science/pith/TJKLWJDREPBNEXAW6LHVF5S4HO/action/replication_record"}},"created_at":"2026-07-05T01:26:51.296336+00:00","updated_at":"2026-07-05T01:26:51.296336+00:00"}