{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:S5EJMHSBDOQ6YSAAHEOGXRMFLS","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"3f08d0355c0408c5cf5b27e60e6f79de6410c423a746def9006457cc34dfe043","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-01-24T05:47:09Z","title_canon_sha256":"e9cb59de4165dd8beaf60f91dfe35d75b3949d34d9d67532453193ac5a3c489d"},"schema_version":"1.0","source":{"id":"1801.07868","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.07868","created_at":"2026-05-18T00:25:10Z"},{"alias_kind":"arxiv_version","alias_value":"1801.07868v1","created_at":"2026-05-18T00:25:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.07868","created_at":"2026-05-18T00:25:10Z"},{"alias_kind":"pith_short_12","alias_value":"S5EJMHSBDOQ6","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"S5EJMHSBDOQ6YSAA","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"S5EJMHSB","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:2fb3896e1b6723991e8c23b26d862132a4f152af527db919f82e23a514bb355b","target":"graph","created_at":"2026-05-18T00:25:10Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The post-reionization ${\\rm HI}$ 21-cm signal is an excellent candidate for precision cosmology, this however requires accurate modelling of the expected signal. Sarkar et al. (2016) have simulated the real space ${\\rm HI}$ 21-cm signal, and have modelled the ${\\rm HI}$ power spectrum as $P_{{\\rm HI}}(k)=b^2 P(k)$ where $P(k)$ is the dark matter power spectrum and $b(k)$ is a (possibly complex) scale dependent bias for which fitting formulas have been provided. This paper extends these simulations to incorporate redshift space distortion and predict the expected redshift space ${\\rm HI}$ 21-cm","authors_text":"2) ((1) Centre for Theoretical Studies, (2) Department of Physics, Debanjan Sarkar (1), Indian Institute of Technology Kharagpur, Indian Institute of Technology Kharagpur), Somnath Bharadwaj (1","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-01-24T05:47:09Z","title":"Modelling redshift-space distortion in the post-reionization ${\\rm HI}$ 21-cm power spectrum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.07868","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:bb1e242c67139e97fc6a22a7608396bbf331f90f5bada33a4af4244274fc7d52","target":"record","created_at":"2026-05-18T00:25:10Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"3f08d0355c0408c5cf5b27e60e6f79de6410c423a746def9006457cc34dfe043","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-01-24T05:47:09Z","title_canon_sha256":"e9cb59de4165dd8beaf60f91dfe35d75b3949d34d9d67532453193ac5a3c489d"},"schema_version":"1.0","source":{"id":"1801.07868","kind":"arxiv","version":1}},"canonical_sha256":"9748961e411ba1ec4800391c6bc5855c911d5fad4ea60907a332e445b4e87146","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9748961e411ba1ec4800391c6bc5855c911d5fad4ea60907a332e445b4e87146","first_computed_at":"2026-05-18T00:25:10.621888Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:10.621888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KoFniCJwe3xUWdANsD1HGcfxRIeWNb5WG5CtjrTPCjJwqTDDfy2r+fVcbps/FM6oonOE5bNygsdnqNptQoXgAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:10.622597Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.07868","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb1e242c67139e97fc6a22a7608396bbf331f90f5bada33a4af4244274fc7d52","sha256:2fb3896e1b6723991e8c23b26d862132a4f152af527db919f82e23a514bb355b"],"state_sha256":"5f5e76704b99f6c5b061d4641370834b0275b1fa6e8cc50f30bfdc5acb0f3d3b"}