{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:32I6F2V5DU23YF5CFQ2DKIUI6R","short_pith_number":"pith:32I6F2V5","schema_version":"1.0","canonical_sha256":"de91e2eabd1d35bc17a22c34352288f472fbcf41568cb60f0f7fbdd0c0cdc8ab","source":{"kind":"arxiv","id":"2209.05008","version":1},"attestation_state":"computed","paper":{"title":"Constraining the Hubble constant and its lower limit from the proper motion of extragalactic radio jets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Alvina Y. L. On, Bjorn Jasper R. Raquel, Bo-Han Chen, Cossas K.-W. Wu, Daryl Joe D. Santos, Ece Kilerci, Seong Jin Kim, Simon C.-C. Ho, Tetsuya Hashimoto, Tiger Yu-Yang Hsiao, Ting-Yi Lu, Tomotsugu Goto, Yi Hang Valerie Wong, Yu-Wei Lin","submitted_at":"2022-09-12T03:55:36Z","abstract_excerpt":"The Hubble constant ($H_{0}$) is a measurement to describe the expansion rate of the Universe in the current era. However, there is a $4.4\\sigma$ discrepancy between the measurements from the early Universe and the late Universe. In this research, we propose a model-free and distance-free method to constrain $H_{0}$. Combining Friedman-Lema\\^itre-Robertson-Walker cosmology with geometrical relation of the proper motion of extragalactic jets, the lower limit ($H_{\\rm 0,min}$) of $H_{0}$ can be determined using only three cosmology-free observables: the redshifts of the host galaxies, as well as"},"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":"2209.05008","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-09-12T03:55:36Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"79abd686d4d56b307715dc6fe096c1dd4cc43d586e838b9e193b2a2e681f3889","abstract_canon_sha256":"5964575b9790da5530ba0ff2802d3c96afdc66393136532bc6c298ec4e4fe3c9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:56:25.492865Z","signature_b64":"dECEIEqVhjvgila11gTM+2Ge5wugVFAf7kzOh93r84pgVRnxJWRO0NoTV1Ua43Pq5BMa6qMPx0InKCBqHqzsAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de91e2eabd1d35bc17a22c34352288f472fbcf41568cb60f0f7fbdd0c0cdc8ab","last_reissued_at":"2026-07-05T04:56:25.492422Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:56:25.492422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraining the Hubble constant and its lower limit from the proper motion of extragalactic radio jets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Alvina Y. L. On, Bjorn Jasper R. Raquel, Bo-Han Chen, Cossas K.-W. Wu, Daryl Joe D. Santos, Ece Kilerci, Seong Jin Kim, Simon C.-C. Ho, Tetsuya Hashimoto, Tiger Yu-Yang Hsiao, Ting-Yi Lu, Tomotsugu Goto, Yi Hang Valerie Wong, Yu-Wei Lin","submitted_at":"2022-09-12T03:55:36Z","abstract_excerpt":"The Hubble constant ($H_{0}$) is a measurement to describe the expansion rate of the Universe in the current era. However, there is a $4.4\\sigma$ discrepancy between the measurements from the early Universe and the late Universe. In this research, we propose a model-free and distance-free method to constrain $H_{0}$. Combining Friedman-Lema\\^itre-Robertson-Walker cosmology with geometrical relation of the proper motion of extragalactic jets, the lower limit ($H_{\\rm 0,min}$) of $H_{0}$ can be determined using only three cosmology-free observables: the redshifts of the host galaxies, as well as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.05008","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/2209.05008/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":"2209.05008","created_at":"2026-07-05T04:56:25.492490+00:00"},{"alias_kind":"arxiv_version","alias_value":"2209.05008v1","created_at":"2026-07-05T04:56:25.492490+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.05008","created_at":"2026-07-05T04:56:25.492490+00:00"},{"alias_kind":"pith_short_12","alias_value":"32I6F2V5DU23","created_at":"2026-07-05T04:56:25.492490+00:00"},{"alias_kind":"pith_short_16","alias_value":"32I6F2V5DU23YF5C","created_at":"2026-07-05T04:56:25.492490+00:00"},{"alias_kind":"pith_short_8","alias_value":"32I6F2V5","created_at":"2026-07-05T04:56:25.492490+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/32I6F2V5DU23YF5CFQ2DKIUI6R","json":"https://pith.science/pith/32I6F2V5DU23YF5CFQ2DKIUI6R.json","graph_json":"https://pith.science/api/pith-number/32I6F2V5DU23YF5CFQ2DKIUI6R/graph.json","events_json":"https://pith.science/api/pith-number/32I6F2V5DU23YF5CFQ2DKIUI6R/events.json","paper":"https://pith.science/paper/32I6F2V5"},"agent_actions":{"view_html":"https://pith.science/pith/32I6F2V5DU23YF5CFQ2DKIUI6R","download_json":"https://pith.science/pith/32I6F2V5DU23YF5CFQ2DKIUI6R.json","view_paper":"https://pith.science/paper/32I6F2V5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2209.05008&json=true","fetch_graph":"https://pith.science/api/pith-number/32I6F2V5DU23YF5CFQ2DKIUI6R/graph.json","fetch_events":"https://pith.science/api/pith-number/32I6F2V5DU23YF5CFQ2DKIUI6R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/32I6F2V5DU23YF5CFQ2DKIUI6R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/32I6F2V5DU23YF5CFQ2DKIUI6R/action/storage_attestation","attest_author":"https://pith.science/pith/32I6F2V5DU23YF5CFQ2DKIUI6R/action/author_attestation","sign_citation":"https://pith.science/pith/32I6F2V5DU23YF5CFQ2DKIUI6R/action/citation_signature","submit_replication":"https://pith.science/pith/32I6F2V5DU23YF5CFQ2DKIUI6R/action/replication_record"}},"created_at":"2026-07-05T04:56:25.492490+00:00","updated_at":"2026-07-05T04:56:25.492490+00:00"}