{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:2CZ256SGKN3SUIMW3CB6O7WQPE","short_pith_number":"pith:2CZ256SG","canonical_record":{"source":{"id":"1711.03218","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-11-09T00:25:48Z","cross_cats_sorted":[],"title_canon_sha256":"aa1a38c90752e1b349dce6de80b33e5032de53a85c29b3bb1dd8a42952d838a7","abstract_canon_sha256":"be3124f727068fa15d4d0b404ced3f4bdfc06fd869231417a15e91f4a195272f"},"schema_version":"1.0"},"canonical_sha256":"d0b3aefa4653772a2196d883e77ed0791210346e64143b44c902602e948c546b","source":{"kind":"arxiv","id":"1711.03218","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03218","created_at":"2026-05-18T00:23:52Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03218v3","created_at":"2026-05-18T00:23:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03218","created_at":"2026-05-18T00:23:52Z"},{"alias_kind":"pith_short_12","alias_value":"2CZ256SGKN3S","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2CZ256SGKN3SUIMW","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2CZ256SG","created_at":"2026-05-18T12:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:2CZ256SGKN3SUIMW3CB6O7WQPE","target":"record","payload":{"canonical_record":{"source":{"id":"1711.03218","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-11-09T00:25:48Z","cross_cats_sorted":[],"title_canon_sha256":"aa1a38c90752e1b349dce6de80b33e5032de53a85c29b3bb1dd8a42952d838a7","abstract_canon_sha256":"be3124f727068fa15d4d0b404ced3f4bdfc06fd869231417a15e91f4a195272f"},"schema_version":"1.0"},"canonical_sha256":"d0b3aefa4653772a2196d883e77ed0791210346e64143b44c902602e948c546b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:52.622455Z","signature_b64":"ULSHNI5YhVBGa8uagXVcHSy4KbgeqYqTCjBkEICsdERdYlETw4mG4nLZd8Jun6si2itVWzOgeyadjCF8LgbNDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0b3aefa4653772a2196d883e77ed0791210346e64143b44c902602e948c546b","last_reissued_at":"2026-05-18T00:23:52.621849Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:52.621849Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.03218","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:23:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HRsbaMxYke2Pk8yN6l7VXAjJ/sYrvk5Y6N3i9y188IbHtUmQFGV8KhmbR+XxiByzLcw8Vjde5/toWvK2NgrVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T00:17:05.852396Z"},"content_sha256":"fe4aefa6865a8a2bc92f229f7e719af083d30980b168c8a629627d311fbad9d2","schema_version":"1.0","event_id":"sha256:fe4aefa6865a8a2bc92f229f7e719af083d30980b168c8a629627d311fbad9d2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:2CZ256SGKN3SUIMW3CB6O7WQPE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinear reconstruction of redshift space distortions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Hong-Ming Zhu, Ue-Li Pen, Yu Yu","submitted_at":"2017-11-09T00:25:48Z","abstract_excerpt":"We apply nonlinear reconstruction to the dark matter density field in redshift space and solve for the nonlinear mapping from the initial Lagrangian position to the final redshift space position. The reconstructed anisotropic field inferred from the nonlinear displacement correlates with the linear initial conditions to much smaller scales than the redshift space density field. The number of linear modes in the density field is improved by a factor of 30-40 after reconstruction. We thus expect this reconstruction approach to substantially expand the cosmological information including baryon ac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03218","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":""},"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":"2026-05-18T00:23:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LcRsZhzwF4uiufJu2F4RfmIRtbdP9f/OeXQ8iFOgtAEQwn+ZHdHi4zca12KPh/uqFPatYbzRkgcPTfjAQk8OCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T00:17:05.852873Z"},"content_sha256":"9630a454fb6ce958e8cbd1536019741025e1af65f141c1fe426febdfb2901846","schema_version":"1.0","event_id":"sha256:9630a454fb6ce958e8cbd1536019741025e1af65f141c1fe426febdfb2901846"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2CZ256SGKN3SUIMW3CB6O7WQPE/bundle.json","state_url":"https://pith.science/pith/2CZ256SGKN3SUIMW3CB6O7WQPE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2CZ256SGKN3SUIMW3CB6O7WQPE/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":"2026-08-19T00:17:05Z","links":{"resolver":"https://pith.science/pith/2CZ256SGKN3SUIMW3CB6O7WQPE","bundle":"https://pith.science/pith/2CZ256SGKN3SUIMW3CB6O7WQPE/bundle.json","state":"https://pith.science/pith/2CZ256SGKN3SUIMW3CB6O7WQPE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2CZ256SGKN3SUIMW3CB6O7WQPE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:2CZ256SGKN3SUIMW3CB6O7WQPE","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":"be3124f727068fa15d4d0b404ced3f4bdfc06fd869231417a15e91f4a195272f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-11-09T00:25:48Z","title_canon_sha256":"aa1a38c90752e1b349dce6de80b33e5032de53a85c29b3bb1dd8a42952d838a7"},"schema_version":"1.0","source":{"id":"1711.03218","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03218","created_at":"2026-05-18T00:23:52Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03218v3","created_at":"2026-05-18T00:23:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03218","created_at":"2026-05-18T00:23:52Z"},{"alias_kind":"pith_short_12","alias_value":"2CZ256SGKN3S","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2CZ256SGKN3SUIMW","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2CZ256SG","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:9630a454fb6ce958e8cbd1536019741025e1af65f141c1fe426febdfb2901846","target":"graph","created_at":"2026-05-18T00:23:52Z","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":"We apply nonlinear reconstruction to the dark matter density field in redshift space and solve for the nonlinear mapping from the initial Lagrangian position to the final redshift space position. The reconstructed anisotropic field inferred from the nonlinear displacement correlates with the linear initial conditions to much smaller scales than the redshift space density field. The number of linear modes in the density field is improved by a factor of 30-40 after reconstruction. We thus expect this reconstruction approach to substantially expand the cosmological information including baryon ac","authors_text":"Hong-Ming Zhu, Ue-Li Pen, Yu Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-11-09T00:25:48Z","title":"Nonlinear reconstruction of redshift space distortions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03218","kind":"arxiv","version":3},"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:fe4aefa6865a8a2bc92f229f7e719af083d30980b168c8a629627d311fbad9d2","target":"record","created_at":"2026-05-18T00:23:52Z","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":"be3124f727068fa15d4d0b404ced3f4bdfc06fd869231417a15e91f4a195272f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-11-09T00:25:48Z","title_canon_sha256":"aa1a38c90752e1b349dce6de80b33e5032de53a85c29b3bb1dd8a42952d838a7"},"schema_version":"1.0","source":{"id":"1711.03218","kind":"arxiv","version":3}},"canonical_sha256":"d0b3aefa4653772a2196d883e77ed0791210346e64143b44c902602e948c546b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d0b3aefa4653772a2196d883e77ed0791210346e64143b44c902602e948c546b","first_computed_at":"2026-05-18T00:23:52.621849Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:23:52.621849Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ULSHNI5YhVBGa8uagXVcHSy4KbgeqYqTCjBkEICsdERdYlETw4mG4nLZd8Jun6si2itVWzOgeyadjCF8LgbNDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:23:52.622455Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.03218","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe4aefa6865a8a2bc92f229f7e719af083d30980b168c8a629627d311fbad9d2","sha256:9630a454fb6ce958e8cbd1536019741025e1af65f141c1fe426febdfb2901846"],"state_sha256":"1b20efea4e2bb08dfd06595f946f16d58862bdf840a996a74c03b63290a7f145"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mRNPBNAHJ2qJx8YpawlWyxbbOHiNob14lS32oIC23O6IqRdNsOnICBak0ASX6e2579Ok59gkvlQeExRtUh88DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T00:17:05.856514Z","bundle_sha256":"eaba395fbf5c67cd50c8b0a08d46909869c5a44db143a1f9c32da290871492a9"}}