{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ITEG54MCX5K2YSRNT5CPVV6ZLZ","short_pith_number":"pith:ITEG54MC","canonical_record":{"source":{"id":"1906.07032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-06-17T13:40:06Z","cross_cats_sorted":[],"title_canon_sha256":"bfefcd9d61c024a67bb739b90ccc29915efd66815f50c08a819999950dc7cfa6","abstract_canon_sha256":"425e9d5fe5f9301f4eeb23cf174587a586029242e37016fe3236a32002461a21"},"schema_version":"1.0"},"canonical_sha256":"44c86ef182bf55ac4a2d9f44fad7d95e42948eb17a19ce72a78047f12dd543d9","source":{"kind":"arxiv","id":"1906.07032","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.07032","created_at":"2026-05-17T23:42:59Z"},{"alias_kind":"arxiv_version","alias_value":"1906.07032v1","created_at":"2026-05-17T23:42:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.07032","created_at":"2026-05-17T23:42:59Z"},{"alias_kind":"pith_short_12","alias_value":"ITEG54MCX5K2","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"ITEG54MCX5K2YSRN","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"ITEG54MC","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ITEG54MCX5K2YSRNT5CPVV6ZLZ","target":"record","payload":{"canonical_record":{"source":{"id":"1906.07032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-06-17T13:40:06Z","cross_cats_sorted":[],"title_canon_sha256":"bfefcd9d61c024a67bb739b90ccc29915efd66815f50c08a819999950dc7cfa6","abstract_canon_sha256":"425e9d5fe5f9301f4eeb23cf174587a586029242e37016fe3236a32002461a21"},"schema_version":"1.0"},"canonical_sha256":"44c86ef182bf55ac4a2d9f44fad7d95e42948eb17a19ce72a78047f12dd543d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:59.763217Z","signature_b64":"Dc+o3clTHTwvvd/JWQuy9rv/Y3FDDxKHFiGHFWsU7HmyK3wyOaBRqr/DpqYuQcgRl4Yg/bSQEjMZNocjnlL4Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44c86ef182bf55ac4a2d9f44fad7d95e42948eb17a19ce72a78047f12dd543d9","last_reissued_at":"2026-05-17T23:42:59.762720Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:59.762720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.07032","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:42:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8RwM5rqp3cAhkpNS51bi2kLBXm2bFK5uqTWQ61kYvabnS28vTfFYcJE4+SodPApJ0bLq219F3qy+MoiTgz2YBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T16:14:16.501235Z"},"content_sha256":"fcfea37e35b5bec5276c2ba1c645463c606df9844cfd2b07981594443885b14e","schema_version":"1.0","event_id":"sha256:fcfea37e35b5bec5276c2ba1c645463c606df9844cfd2b07981594443885b14e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ITEG54MCX5K2YSRNT5CPVV6ZLZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Redshift space distortions of the {\\rm HI} 21-cm intensity mapping signal due to the internal motions within galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","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","submitted_at":"2019-06-17T13:40:06Z","abstract_excerpt":"The {\\rm HI} 21-cm intensity mapping signal experiences redshift space distortions due to the motion of the galaxies which contain the {\\rm HI} as well as the motions of the {\\rm HI} gas within the galaxies. A detailed modelling is essential if this signal is to be used for precision cosmology. Considering dark matter only simulations where the {\\rm HI} is assumed to reside in galaxies which are associated with haloes, in this work we introduce a technique to incorporate the {\\rm HI} motions within the galaxies. This is achieved through a line profile which accounts for both the rotational and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.07032","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:42:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U80ob4L5YoMBoyahII8RGtsNFbuuc/TQ58x0smznwTB9T/czX8Vw6JIFvqRdjVsR4EYbuAMEUQQ93/zN7vBtCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T16:14:16.501767Z"},"content_sha256":"22a803d3013fcfba18139191a2a6adcc08466e3edf34c16e70b35b5c45a9356c","schema_version":"1.0","event_id":"sha256:22a803d3013fcfba18139191a2a6adcc08466e3edf34c16e70b35b5c45a9356c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ITEG54MCX5K2YSRNT5CPVV6ZLZ/bundle.json","state_url":"https://pith.science/pith/ITEG54MCX5K2YSRNT5CPVV6ZLZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ITEG54MCX5K2YSRNT5CPVV6ZLZ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-24T16:14:16Z","links":{"resolver":"https://pith.science/pith/ITEG54MCX5K2YSRNT5CPVV6ZLZ","bundle":"https://pith.science/pith/ITEG54MCX5K2YSRNT5CPVV6ZLZ/bundle.json","state":"https://pith.science/pith/ITEG54MCX5K2YSRNT5CPVV6ZLZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ITEG54MCX5K2YSRNT5CPVV6ZLZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ITEG54MCX5K2YSRNT5CPVV6ZLZ","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":"425e9d5fe5f9301f4eeb23cf174587a586029242e37016fe3236a32002461a21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-06-17T13:40:06Z","title_canon_sha256":"bfefcd9d61c024a67bb739b90ccc29915efd66815f50c08a819999950dc7cfa6"},"schema_version":"1.0","source":{"id":"1906.07032","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.07032","created_at":"2026-05-17T23:42:59Z"},{"alias_kind":"arxiv_version","alias_value":"1906.07032v1","created_at":"2026-05-17T23:42:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.07032","created_at":"2026-05-17T23:42:59Z"},{"alias_kind":"pith_short_12","alias_value":"ITEG54MCX5K2","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"ITEG54MCX5K2YSRN","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"ITEG54MC","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:22a803d3013fcfba18139191a2a6adcc08466e3edf34c16e70b35b5c45a9356c","target":"graph","created_at":"2026-05-17T23:42:59Z","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 {\\rm HI} 21-cm intensity mapping signal experiences redshift space distortions due to the motion of the galaxies which contain the {\\rm HI} as well as the motions of the {\\rm HI} gas within the galaxies. A detailed modelling is essential if this signal is to be used for precision cosmology. Considering dark matter only simulations where the {\\rm HI} is assumed to reside in galaxies which are associated with haloes, in this work we introduce a technique to incorporate the {\\rm HI} motions within the galaxies. This is achieved through a line profile which accounts for both the rotational and","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":"2019-06-17T13:40:06Z","title":"Redshift space distortions of the {\\rm HI} 21-cm intensity mapping signal due to the internal motions within galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.07032","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:fcfea37e35b5bec5276c2ba1c645463c606df9844cfd2b07981594443885b14e","target":"record","created_at":"2026-05-17T23:42:59Z","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":"425e9d5fe5f9301f4eeb23cf174587a586029242e37016fe3236a32002461a21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-06-17T13:40:06Z","title_canon_sha256":"bfefcd9d61c024a67bb739b90ccc29915efd66815f50c08a819999950dc7cfa6"},"schema_version":"1.0","source":{"id":"1906.07032","kind":"arxiv","version":1}},"canonical_sha256":"44c86ef182bf55ac4a2d9f44fad7d95e42948eb17a19ce72a78047f12dd543d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44c86ef182bf55ac4a2d9f44fad7d95e42948eb17a19ce72a78047f12dd543d9","first_computed_at":"2026-05-17T23:42:59.762720Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:59.762720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Dc+o3clTHTwvvd/JWQuy9rv/Y3FDDxKHFiGHFWsU7HmyK3wyOaBRqr/DpqYuQcgRl4Yg/bSQEjMZNocjnlL4Ag==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:59.763217Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.07032","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcfea37e35b5bec5276c2ba1c645463c606df9844cfd2b07981594443885b14e","sha256:22a803d3013fcfba18139191a2a6adcc08466e3edf34c16e70b35b5c45a9356c"],"state_sha256":"882cfe351b91b3143a7674560603fcd22e16792998733df37296d74d03c9461b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B7R7OMMA3k8F9aib1KvJiThGbsFLzku8YaN+CXtIr4OEp5cFt5aeMgaMiI9QUsTxnzBCaFuqYiNf53jD/sU7Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T16:14:16.505233Z","bundle_sha256":"34569dbf0c5378f8912b00859e58f7a1c085ed1cfefce1985a0bddecb5f0ff09"}}