{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:GAZGNT2YHILHCG53KDRZUDXTKN","short_pith_number":"pith:GAZGNT2Y","schema_version":"1.0","canonical_sha256":"303266cf583a16711bbb50e39a0ef3534d87b3a6b37e9c6249a29140a275e358","source":{"kind":"arxiv","id":"2501.15704","version":1},"attestation_state":"computed","paper":{"title":"Uncertainties in the Hubble Constant from Peculiar Velocities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Amber M. Hollinger, Michael J. Hudson","submitted_at":"2025-01-26T23:34:11Z","abstract_excerpt":"Recent measurements of the Hubble constant using type Ia supernovae explicitly correct for their estimated peculiar velocities using the 2M++ reconstruction of the local density field. The amount of uncertainty from this reconstruction procedure has thus far been unquantified. To rectify this, we use mock universe realisations of the 2M++ catalogue and generate predicted peculiar velocities using the same method as the predictions that are used to correct for the Pantheon+ catalogue. We find that the method yields uncertainties of 0.3 km/s/Mpc and hence subdominant to the total uncertainty in "},"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":"2501.15704","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-01-26T23:34:11Z","cross_cats_sorted":[],"title_canon_sha256":"7f650f0428c352dd2af4556fa7f68d68558ed8c0739bccdbc8cee1c480437c1b","abstract_canon_sha256":"20078dd976b86ebd9a447f5de5739aff7822d86e573e9df0f13ee149d83df862"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:05:33.011380Z","signature_b64":"fqE9MJ5KEw1dl7oAIGlbzlnSa7mSIrmOcE/dTXm61yDyRmECQS1zEQxXOoifFhtjbBfLF0pmW7hPPjSGprTmAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"303266cf583a16711bbb50e39a0ef3534d87b3a6b37e9c6249a29140a275e358","last_reissued_at":"2026-07-05T10:05:33.010901Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:05:33.010901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Uncertainties in the Hubble Constant from Peculiar Velocities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Amber M. Hollinger, Michael J. Hudson","submitted_at":"2025-01-26T23:34:11Z","abstract_excerpt":"Recent measurements of the Hubble constant using type Ia supernovae explicitly correct for their estimated peculiar velocities using the 2M++ reconstruction of the local density field. The amount of uncertainty from this reconstruction procedure has thus far been unquantified. To rectify this, we use mock universe realisations of the 2M++ catalogue and generate predicted peculiar velocities using the same method as the predictions that are used to correct for the Pantheon+ catalogue. We find that the method yields uncertainties of 0.3 km/s/Mpc and hence subdominant to the total uncertainty in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.15704","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/2501.15704/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":"2501.15704","created_at":"2026-07-05T10:05:33.010956+00:00"},{"alias_kind":"arxiv_version","alias_value":"2501.15704v1","created_at":"2026-07-05T10:05:33.010956+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.15704","created_at":"2026-07-05T10:05:33.010956+00:00"},{"alias_kind":"pith_short_12","alias_value":"GAZGNT2YHILH","created_at":"2026-07-05T10:05:33.010956+00:00"},{"alias_kind":"pith_short_16","alias_value":"GAZGNT2YHILHCG53","created_at":"2026-07-05T10:05:33.010956+00:00"},{"alias_kind":"pith_short_8","alias_value":"GAZGNT2Y","created_at":"2026-07-05T10:05:33.010956+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2512.02526","citing_title":"Updates on dipolar anisotropy in local measurements of the Hubble constant from Cosmicflows-4","ref_index":25,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GAZGNT2YHILHCG53KDRZUDXTKN","json":"https://pith.science/pith/GAZGNT2YHILHCG53KDRZUDXTKN.json","graph_json":"https://pith.science/api/pith-number/GAZGNT2YHILHCG53KDRZUDXTKN/graph.json","events_json":"https://pith.science/api/pith-number/GAZGNT2YHILHCG53KDRZUDXTKN/events.json","paper":"https://pith.science/paper/GAZGNT2Y"},"agent_actions":{"view_html":"https://pith.science/pith/GAZGNT2YHILHCG53KDRZUDXTKN","download_json":"https://pith.science/pith/GAZGNT2YHILHCG53KDRZUDXTKN.json","view_paper":"https://pith.science/paper/GAZGNT2Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2501.15704&json=true","fetch_graph":"https://pith.science/api/pith-number/GAZGNT2YHILHCG53KDRZUDXTKN/graph.json","fetch_events":"https://pith.science/api/pith-number/GAZGNT2YHILHCG53KDRZUDXTKN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GAZGNT2YHILHCG53KDRZUDXTKN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GAZGNT2YHILHCG53KDRZUDXTKN/action/storage_attestation","attest_author":"https://pith.science/pith/GAZGNT2YHILHCG53KDRZUDXTKN/action/author_attestation","sign_citation":"https://pith.science/pith/GAZGNT2YHILHCG53KDRZUDXTKN/action/citation_signature","submit_replication":"https://pith.science/pith/GAZGNT2YHILHCG53KDRZUDXTKN/action/replication_record"}},"created_at":"2026-07-05T10:05:33.010956+00:00","updated_at":"2026-07-05T10:05:33.010956+00:00"}