{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:FD6M7HTFAQYINVOVGIBP5YZQ6P","short_pith_number":"pith:FD6M7HTF","schema_version":"1.0","canonical_sha256":"28fccf9e65043086d5d53202fee330f3d99432ec2625e4226bac64c994fe337b","source":{"kind":"arxiv","id":"1609.07147","version":2},"attestation_state":"computed","paper":{"title":"What galaxy masses perturb the local cosmic expansion?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Azadeh Fattahi, Jorge Pe\\~narrubia","submitted_at":"2016-09-22T20:00:04Z","abstract_excerpt":"We use 12 cosmological $N$-body simulations of Local Group systems (the Apostle models) to inspect the relation between the virial mass of the main haloes ($M_{\\rm vir,1}$ and $M_{\\rm vir,2}$), the mass derived from the relative motion of the halo pair ($M_{\\rm tim}$), and that inferred from the local Hubble flow ($M_{\\rm lhf}$). We show that within the Spherical Collapse Model (SCM), the correspondence between the three mass estimates is exact, i.e. $M_{\\rm lhf}=M_{\\rm tim}=M_{\\rm vir,1}+M_{\\rm vir,2}$. However, comparison with Apostle simulations reveals that, contrary to what the SCM states"},"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":"1609.07147","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-22T20:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"8c3c4a38b224904587256b69cafa85738b00a88ecd657d66e16b3bd5e3ce8ffd","abstract_canon_sha256":"8909c46f05d96737e04409efb84606c238c78c2c9ddae275f3217627f1148ac1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:39.712501Z","signature_b64":"kJMLtGdwih+F0iMCPIbRX8g+z3CL/2c97fFqlIafKY5ujZH19BLGQZN/Ql7rXJpl63ZHrEd8V1+ww4xPejQKBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28fccf9e65043086d5d53202fee330f3d99432ec2625e4226bac64c994fe337b","last_reissued_at":"2026-05-18T00:46:39.711769Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:39.711769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"What galaxy masses perturb the local cosmic expansion?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Azadeh Fattahi, Jorge Pe\\~narrubia","submitted_at":"2016-09-22T20:00:04Z","abstract_excerpt":"We use 12 cosmological $N$-body simulations of Local Group systems (the Apostle models) to inspect the relation between the virial mass of the main haloes ($M_{\\rm vir,1}$ and $M_{\\rm vir,2}$), the mass derived from the relative motion of the halo pair ($M_{\\rm tim}$), and that inferred from the local Hubble flow ($M_{\\rm lhf}$). We show that within the Spherical Collapse Model (SCM), the correspondence between the three mass estimates is exact, i.e. $M_{\\rm lhf}=M_{\\rm tim}=M_{\\rm vir,1}+M_{\\rm vir,2}$. However, comparison with Apostle simulations reveals that, contrary to what the SCM states"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.07147","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":"1609.07147","created_at":"2026-05-18T00:46:39.711869+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.07147v2","created_at":"2026-05-18T00:46:39.711869+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.07147","created_at":"2026-05-18T00:46:39.711869+00:00"},{"alias_kind":"pith_short_12","alias_value":"FD6M7HTFAQYI","created_at":"2026-05-18T12:30:15.759754+00:00"},{"alias_kind":"pith_short_16","alias_value":"FD6M7HTFAQYINVOV","created_at":"2026-05-18T12:30:15.759754+00:00"},{"alias_kind":"pith_short_8","alias_value":"FD6M7HTF","created_at":"2026-05-18T12:30:15.759754+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.02712","citing_title":"Constraints on the gravitational potential from DESI DR2 BAO and its implications for the local void scenario","ref_index":39,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/FD6M7HTFAQYINVOVGIBP5YZQ6P","json":"https://pith.science/pith/FD6M7HTFAQYINVOVGIBP5YZQ6P.json","graph_json":"https://pith.science/api/pith-number/FD6M7HTFAQYINVOVGIBP5YZQ6P/graph.json","events_json":"https://pith.science/api/pith-number/FD6M7HTFAQYINVOVGIBP5YZQ6P/events.json","paper":"https://pith.science/paper/FD6M7HTF"},"agent_actions":{"view_html":"https://pith.science/pith/FD6M7HTFAQYINVOVGIBP5YZQ6P","download_json":"https://pith.science/pith/FD6M7HTFAQYINVOVGIBP5YZQ6P.json","view_paper":"https://pith.science/paper/FD6M7HTF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.07147&json=true","fetch_graph":"https://pith.science/api/pith-number/FD6M7HTFAQYINVOVGIBP5YZQ6P/graph.json","fetch_events":"https://pith.science/api/pith-number/FD6M7HTFAQYINVOVGIBP5YZQ6P/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FD6M7HTFAQYINVOVGIBP5YZQ6P/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FD6M7HTFAQYINVOVGIBP5YZQ6P/action/storage_attestation","attest_author":"https://pith.science/pith/FD6M7HTFAQYINVOVGIBP5YZQ6P/action/author_attestation","sign_citation":"https://pith.science/pith/FD6M7HTFAQYINVOVGIBP5YZQ6P/action/citation_signature","submit_replication":"https://pith.science/pith/FD6M7HTFAQYINVOVGIBP5YZQ6P/action/replication_record"}},"created_at":"2026-05-18T00:46:39.711869+00:00","updated_at":"2026-05-18T00:46:39.711869+00:00"}