{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:WFYTA2HHQBKVTPS7NC4RHZ44FJ","short_pith_number":"pith:WFYTA2HH","schema_version":"1.0","canonical_sha256":"b1713068e7805559be5f68b913e79c2a6dce1168257c3c42c9264244e40fb698","source":{"kind":"arxiv","id":"2007.04993","version":1},"attestation_state":"computed","paper":{"title":"Joint analysis of 6dFGS and SDSS peculiar velocities for the growth rate of cosmic structure and tests of gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Christina Magoulas, John R. Lucey, Khaled Said, Matthew Colless, Michael J. Hudson","submitted_at":"2020-07-09T18:00:01Z","abstract_excerpt":"Measurement of peculiar velocities by combining redshifts and distance indicators is a powerful way to measure the growth rate of cosmic structure and test theories of gravity at low redshift. Here we constrain the growth rate of structure by comparing observed Fundamental Plane peculiar velocities for 15894 galaxies from the 6dF Galaxy Survey (6dFGS) and Sloan Digital Sky Survey (SDSS) with predicted velocities and densities from the 2M$++$ redshift survey. We measure the velocity scale parameter $\\beta \\equiv {\\Omega_m^\\gamma}/b = 0.372^{+0.034}_{-0.050}$ and $0.314^{+0.031}_{-0.047}$ for 6d"},"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":"2007.04993","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-07-09T18:00:01Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"640e66f6cc868f868311a464901c7c3fa08bd296a74c4ac4d5f83e52341e4f98","abstract_canon_sha256":"1780943768b9b325d1519fdca7efe0a5a474e2340bed4b26bfe9b4bc96c442fa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:21:08.588807Z","signature_b64":"ATkTc7K5hwsDxOT0yZijwlT+YDsbhOB5pm+5OGZ2f/FD+37gZTIGGI2EGjKVTgnUa4c2n8281mRhWkWmKp1eBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1713068e7805559be5f68b913e79c2a6dce1168257c3c42c9264244e40fb698","last_reissued_at":"2026-07-05T01:21:08.588359Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:21:08.588359Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Joint analysis of 6dFGS and SDSS peculiar velocities for the growth rate of cosmic structure and tests of gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Christina Magoulas, John R. Lucey, Khaled Said, Matthew Colless, Michael J. Hudson","submitted_at":"2020-07-09T18:00:01Z","abstract_excerpt":"Measurement of peculiar velocities by combining redshifts and distance indicators is a powerful way to measure the growth rate of cosmic structure and test theories of gravity at low redshift. Here we constrain the growth rate of structure by comparing observed Fundamental Plane peculiar velocities for 15894 galaxies from the 6dF Galaxy Survey (6dFGS) and Sloan Digital Sky Survey (SDSS) with predicted velocities and densities from the 2M$++$ redshift survey. We measure the velocity scale parameter $\\beta \\equiv {\\Omega_m^\\gamma}/b = 0.372^{+0.034}_{-0.050}$ and $0.314^{+0.031}_{-0.047}$ for 6d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.04993","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/2007.04993/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":"2007.04993","created_at":"2026-07-05T01:21:08.588424+00:00"},{"alias_kind":"arxiv_version","alias_value":"2007.04993v1","created_at":"2026-07-05T01:21:08.588424+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.04993","created_at":"2026-07-05T01:21:08.588424+00:00"},{"alias_kind":"pith_short_12","alias_value":"WFYTA2HHQBKV","created_at":"2026-07-05T01:21:08.588424+00:00"},{"alias_kind":"pith_short_16","alias_value":"WFYTA2HHQBKVTPS7","created_at":"2026-07-05T01:21:08.588424+00:00"},{"alias_kind":"pith_short_8","alias_value":"WFYTA2HH","created_at":"2026-07-05T01:21:08.588424+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":6,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.06774","citing_title":"Natural Phantom Dark Energy from a $\\mathbb{Z}_N$--Axion","ref_index":49,"is_internal_anchor":true},{"citing_arxiv_id":"2606.10597","citing_title":"Synergy between the gravitational potential decay rate and other structure growth probes in testing gravity","ref_index":55,"is_internal_anchor":false},{"citing_arxiv_id":"2606.05479","citing_title":"On the potential for inhomogeneities to mimic an evolving dark energy","ref_index":39,"is_internal_anchor":false},{"citing_arxiv_id":"2606.05047","citing_title":"Full Nonlinear Velocity Reconstruction With Transformer and Ensemble Tree Machine Learning","ref_index":10,"is_internal_anchor":false},{"citing_arxiv_id":"2605.22309","citing_title":"Signatures of Modified Gravity on Linear Scales in a Dynamical Dark Energy Background","ref_index":107,"is_internal_anchor":false},{"citing_arxiv_id":"2512.03229","citing_title":"The DESI DR1 Peculiar Velocity Survey: growth rate measurements from the maximum likelihood fields method","ref_index":70,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WFYTA2HHQBKVTPS7NC4RHZ44FJ","json":"https://pith.science/pith/WFYTA2HHQBKVTPS7NC4RHZ44FJ.json","graph_json":"https://pith.science/api/pith-number/WFYTA2HHQBKVTPS7NC4RHZ44FJ/graph.json","events_json":"https://pith.science/api/pith-number/WFYTA2HHQBKVTPS7NC4RHZ44FJ/events.json","paper":"https://pith.science/paper/WFYTA2HH"},"agent_actions":{"view_html":"https://pith.science/pith/WFYTA2HHQBKVTPS7NC4RHZ44FJ","download_json":"https://pith.science/pith/WFYTA2HHQBKVTPS7NC4RHZ44FJ.json","view_paper":"https://pith.science/paper/WFYTA2HH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2007.04993&json=true","fetch_graph":"https://pith.science/api/pith-number/WFYTA2HHQBKVTPS7NC4RHZ44FJ/graph.json","fetch_events":"https://pith.science/api/pith-number/WFYTA2HHQBKVTPS7NC4RHZ44FJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WFYTA2HHQBKVTPS7NC4RHZ44FJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WFYTA2HHQBKVTPS7NC4RHZ44FJ/action/storage_attestation","attest_author":"https://pith.science/pith/WFYTA2HHQBKVTPS7NC4RHZ44FJ/action/author_attestation","sign_citation":"https://pith.science/pith/WFYTA2HHQBKVTPS7NC4RHZ44FJ/action/citation_signature","submit_replication":"https://pith.science/pith/WFYTA2HHQBKVTPS7NC4RHZ44FJ/action/replication_record"}},"created_at":"2026-07-05T01:21:08.588424+00:00","updated_at":"2026-07-05T01:21:08.588424+00:00"}