{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:2YGOVJABDNPZED66UXJDW4RIM7","short_pith_number":"pith:2YGOVJAB","schema_version":"1.0","canonical_sha256":"d60ceaa4011b5f920fdea5d23b722867cec1e75946b94590cf6532e9f690f63d","source":{"kind":"arxiv","id":"2106.01859","version":3},"attestation_state":"computed","paper":{"title":"How can gravitational-wave standard sirens and 21 cm intensity mapping jointly provide a precise late-universe cosmological probe?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Jing-Fei Zhang, Ling-Feng Wang, Peng-Ju Wu, Shang-Jie Jin, Xin Zhang","submitted_at":"2021-06-03T14:01:57Z","abstract_excerpt":"In the next decades, the gravitational-wave (GW) standard siren observations and the neutral hydrogen 21-cm intensity mapping (IM) surveys, as two promising cosmological probes, will play an important role in precisely measuring cosmological parameters. In this work, we make a forecast for cosmological parameter estimation with the synergy between the GW standard siren observations and the 21-cm IM surveys. We choose the Einstein Telescope (ET) and the Taiji observatory as the representatives of the GW detection projects and choose the Square Kilometre Array (SKA) phase I mid-frequency array a"},"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":"2106.01859","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-06-03T14:01:57Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"5905600d714708815bf03c8d1ffb986edab8e2fd9977ce213770ebdcb383b132","abstract_canon_sha256":"e04194ce425e7527ccfe1a52e0c68cc1551cc06ae52d1913413d63b4f44507f5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:31:13.914410Z","signature_b64":"UrLorduaT6JvuiVf9bILlFBltuQfy0C24GG4wRE80gf0hKCyZrklXcU8wE0n7fG02me4bvs0hHrEsJw+rbi1Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d60ceaa4011b5f920fdea5d23b722867cec1e75946b94590cf6532e9f690f63d","last_reissued_at":"2026-07-05T03:31:13.914038Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:31:13.914038Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"How can gravitational-wave standard sirens and 21 cm intensity mapping jointly provide a precise late-universe cosmological probe?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Jing-Fei Zhang, Ling-Feng Wang, Peng-Ju Wu, Shang-Jie Jin, Xin Zhang","submitted_at":"2021-06-03T14:01:57Z","abstract_excerpt":"In the next decades, the gravitational-wave (GW) standard siren observations and the neutral hydrogen 21-cm intensity mapping (IM) surveys, as two promising cosmological probes, will play an important role in precisely measuring cosmological parameters. In this work, we make a forecast for cosmological parameter estimation with the synergy between the GW standard siren observations and the 21-cm IM surveys. We choose the Einstein Telescope (ET) and the Taiji observatory as the representatives of the GW detection projects and choose the Square Kilometre Array (SKA) phase I mid-frequency array a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.01859","kind":"arxiv","version":3},"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/2106.01859/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":"2106.01859","created_at":"2026-07-05T03:31:13.914092+00:00"},{"alias_kind":"arxiv_version","alias_value":"2106.01859v3","created_at":"2026-07-05T03:31:13.914092+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.01859","created_at":"2026-07-05T03:31:13.914092+00:00"},{"alias_kind":"pith_short_12","alias_value":"2YGOVJABDNPZ","created_at":"2026-07-05T03:31:13.914092+00:00"},{"alias_kind":"pith_short_16","alias_value":"2YGOVJABDNPZED66","created_at":"2026-07-05T03:31:13.914092+00:00"},{"alias_kind":"pith_short_8","alias_value":"2YGOVJAB","created_at":"2026-07-05T03:31:13.914092+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":6,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.17617","citing_title":"Synergy between CSST and future gravitational-wave detectors: Probing primordial black holes by cross-correlating dark sirens with galaxies","ref_index":53,"is_internal_anchor":false},{"citing_arxiv_id":"2606.03634","citing_title":"Model-independent H0 from GWTC-4 standard sirens and TDCOSMO 2025 strong lensing time delays","ref_index":69,"is_internal_anchor":false},{"citing_arxiv_id":"2606.28175","citing_title":"HIcosmo: a differentiable JAX-based framework for cosmology inference","ref_index":24,"is_internal_anchor":false},{"citing_arxiv_id":"2605.21310","citing_title":"Contrastive self-supervised convolutional autoencoder for core-collapse supernova gravitational-wave detection","ref_index":21,"is_internal_anchor":false},{"citing_arxiv_id":"2510.21521","citing_title":"Synergy between CSST and third-generation gravitational-wave detectors: Inferring cosmological parameters using cross-correlation of dark sirens and galaxies","ref_index":63,"is_internal_anchor":false},{"citing_arxiv_id":"2604.13867","citing_title":"Robust parameter inference for Taiji via time-frequency contrastive learning and normalizing flows","ref_index":42,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2YGOVJABDNPZED66UXJDW4RIM7","json":"https://pith.science/pith/2YGOVJABDNPZED66UXJDW4RIM7.json","graph_json":"https://pith.science/api/pith-number/2YGOVJABDNPZED66UXJDW4RIM7/graph.json","events_json":"https://pith.science/api/pith-number/2YGOVJABDNPZED66UXJDW4RIM7/events.json","paper":"https://pith.science/paper/2YGOVJAB"},"agent_actions":{"view_html":"https://pith.science/pith/2YGOVJABDNPZED66UXJDW4RIM7","download_json":"https://pith.science/pith/2YGOVJABDNPZED66UXJDW4RIM7.json","view_paper":"https://pith.science/paper/2YGOVJAB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2106.01859&json=true","fetch_graph":"https://pith.science/api/pith-number/2YGOVJABDNPZED66UXJDW4RIM7/graph.json","fetch_events":"https://pith.science/api/pith-number/2YGOVJABDNPZED66UXJDW4RIM7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2YGOVJABDNPZED66UXJDW4RIM7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2YGOVJABDNPZED66UXJDW4RIM7/action/storage_attestation","attest_author":"https://pith.science/pith/2YGOVJABDNPZED66UXJDW4RIM7/action/author_attestation","sign_citation":"https://pith.science/pith/2YGOVJABDNPZED66UXJDW4RIM7/action/citation_signature","submit_replication":"https://pith.science/pith/2YGOVJABDNPZED66UXJDW4RIM7/action/replication_record"}},"created_at":"2026-07-05T03:31:13.914092+00:00","updated_at":"2026-07-05T03:31:13.914092+00:00"}