{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:Q63DGS2OWSA7MKI55XYEZG56LZ","short_pith_number":"pith:Q63DGS2O","canonical_record":{"source":{"id":"2207.06437","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-13T18:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"7edec89154c44afa6e3d1badc994e0a609d4ae65953c0ea65532ff9c37577478","abstract_canon_sha256":"7b40b1211fb9368bb13b73ff724c0301411e567ea4af0f4a8bc567b19ae6aae7"},"schema_version":"1.0"},"canonical_sha256":"87b6334b4eb481f6291dedf04c9bbe5e4a5a4586dbf47a77f4a3fb76e0789830","source":{"kind":"arxiv","id":"2207.06437","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.06437","created_at":"2026-07-05T05:55:09Z"},{"alias_kind":"arxiv_version","alias_value":"2207.06437v3","created_at":"2026-07-05T05:55:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.06437","created_at":"2026-07-05T05:55:09Z"},{"alias_kind":"pith_short_12","alias_value":"Q63DGS2OWSA7","created_at":"2026-07-05T05:55:09Z"},{"alias_kind":"pith_short_16","alias_value":"Q63DGS2OWSA7MKI5","created_at":"2026-07-05T05:55:09Z"},{"alias_kind":"pith_short_8","alias_value":"Q63DGS2O","created_at":"2026-07-05T05:55:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:Q63DGS2OWSA7MKI55XYEZG56LZ","target":"record","payload":{"canonical_record":{"source":{"id":"2207.06437","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-13T18:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"7edec89154c44afa6e3d1badc994e0a609d4ae65953c0ea65532ff9c37577478","abstract_canon_sha256":"7b40b1211fb9368bb13b73ff724c0301411e567ea4af0f4a8bc567b19ae6aae7"},"schema_version":"1.0"},"canonical_sha256":"87b6334b4eb481f6291dedf04c9bbe5e4a5a4586dbf47a77f4a3fb76e0789830","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:55:09.985796Z","signature_b64":"wGSvNnRWzdXgJtekI9oGJStC/JE6rPgq22cZ7vWxjTRx4oriu6yuEleB2EncAQtNTjDGml9neVPoW7wYh3Z+Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87b6334b4eb481f6291dedf04c9bbe5e4a5a4586dbf47a77f4a3fb76e0789830","last_reissued_at":"2026-07-05T05:55:09.985254Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:55:09.985254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.06437","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":"2026-07-05T05:55:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGs0IeFM9TqH93/gHTFjFG2VL1boKjHEiFPWSXelqYt8QhLWHKHF7HLHFSSb1AK6gx8UYkqbrWGLs0d+RmxtCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T12:27:31.507266Z"},"content_sha256":"40ea906daed5c4625f6c991499cf6cafc57d72a5109fd582bb3d9cf13e40edc0","schema_version":"1.0","event_id":"sha256:40ea906daed5c4625f6c991499cf6cafc57d72a5109fd582bb3d9cf13e40edc0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:Q63DGS2OWSA7MKI55XYEZG56LZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Bacco Simulation Project: Bacco Hybrid Lagrangian Bias Expansion Model in Redshift Space","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Francisco Maion, Giovanni Arico, Jens Stuecker, Marcos Pellejero-Ibanez, Matteo Zennaro, Raul E. Angulo, Sergio Contreras","submitted_at":"2022-07-13T18:00:05Z","abstract_excerpt":"We present an emulator that accurately predicts the power spectrum of galaxies in redshift space as a function of cosmological parameters. Our emulator is based on a 2nd-order Lagrangian bias expansion that is displaced to Eulerian space using cosmological $N$-body simulations. Redshift space distortions are then imprinted using the non-linear velocity field of simulated particles and haloes. We build the emulator using a forward neural network trained with the simulations of the BACCO project, which covers an 8-dimensional parameter space including massive neutrinos and dynamical dark energy."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.06437","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/2207.06437/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:55:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rt80vXi3HQvczxuZ8ROeqDEB8cJ7E71CW+JTH6Q1GJSeK9YVE114xiAIbPEMh3ZKPa1+WaW9PDghP4f38F0rAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T12:27:31.507771Z"},"content_sha256":"e19d2028865a1aae1684a35ca1847f7783d227f6dc28c31e5cae8845debfaafe","schema_version":"1.0","event_id":"sha256:e19d2028865a1aae1684a35ca1847f7783d227f6dc28c31e5cae8845debfaafe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q63DGS2OWSA7MKI55XYEZG56LZ/bundle.json","state_url":"https://pith.science/pith/Q63DGS2OWSA7MKI55XYEZG56LZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q63DGS2OWSA7MKI55XYEZG56LZ/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":"2026-08-08T12:27:31Z","links":{"resolver":"https://pith.science/pith/Q63DGS2OWSA7MKI55XYEZG56LZ","bundle":"https://pith.science/pith/Q63DGS2OWSA7MKI55XYEZG56LZ/bundle.json","state":"https://pith.science/pith/Q63DGS2OWSA7MKI55XYEZG56LZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q63DGS2OWSA7MKI55XYEZG56LZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:Q63DGS2OWSA7MKI55XYEZG56LZ","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":"7b40b1211fb9368bb13b73ff724c0301411e567ea4af0f4a8bc567b19ae6aae7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-13T18:00:05Z","title_canon_sha256":"7edec89154c44afa6e3d1badc994e0a609d4ae65953c0ea65532ff9c37577478"},"schema_version":"1.0","source":{"id":"2207.06437","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.06437","created_at":"2026-07-05T05:55:09Z"},{"alias_kind":"arxiv_version","alias_value":"2207.06437v3","created_at":"2026-07-05T05:55:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.06437","created_at":"2026-07-05T05:55:09Z"},{"alias_kind":"pith_short_12","alias_value":"Q63DGS2OWSA7","created_at":"2026-07-05T05:55:09Z"},{"alias_kind":"pith_short_16","alias_value":"Q63DGS2OWSA7MKI5","created_at":"2026-07-05T05:55:09Z"},{"alias_kind":"pith_short_8","alias_value":"Q63DGS2O","created_at":"2026-07-05T05:55:09Z"}],"graph_snapshots":[{"event_id":"sha256:e19d2028865a1aae1684a35ca1847f7783d227f6dc28c31e5cae8845debfaafe","target":"graph","created_at":"2026-07-05T05:55:09Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2207.06437/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an emulator that accurately predicts the power spectrum of galaxies in redshift space as a function of cosmological parameters. Our emulator is based on a 2nd-order Lagrangian bias expansion that is displaced to Eulerian space using cosmological $N$-body simulations. Redshift space distortions are then imprinted using the non-linear velocity field of simulated particles and haloes. We build the emulator using a forward neural network trained with the simulations of the BACCO project, which covers an 8-dimensional parameter space including massive neutrinos and dynamical dark energy.","authors_text":"Francisco Maion, Giovanni Arico, Jens Stuecker, Marcos Pellejero-Ibanez, Matteo Zennaro, Raul E. Angulo, Sergio Contreras","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-13T18:00:05Z","title":"The Bacco Simulation Project: Bacco Hybrid Lagrangian Bias Expansion Model in Redshift Space"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.06437","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":"sha256:40ea906daed5c4625f6c991499cf6cafc57d72a5109fd582bb3d9cf13e40edc0","target":"record","created_at":"2026-07-05T05:55:09Z","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":"7b40b1211fb9368bb13b73ff724c0301411e567ea4af0f4a8bc567b19ae6aae7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-13T18:00:05Z","title_canon_sha256":"7edec89154c44afa6e3d1badc994e0a609d4ae65953c0ea65532ff9c37577478"},"schema_version":"1.0","source":{"id":"2207.06437","kind":"arxiv","version":3}},"canonical_sha256":"87b6334b4eb481f6291dedf04c9bbe5e4a5a4586dbf47a77f4a3fb76e0789830","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"87b6334b4eb481f6291dedf04c9bbe5e4a5a4586dbf47a77f4a3fb76e0789830","first_computed_at":"2026-07-05T05:55:09.985254Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:55:09.985254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wGSvNnRWzdXgJtekI9oGJStC/JE6rPgq22cZ7vWxjTRx4oriu6yuEleB2EncAQtNTjDGml9neVPoW7wYh3Z+Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:55:09.985796Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.06437","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:40ea906daed5c4625f6c991499cf6cafc57d72a5109fd582bb3d9cf13e40edc0","sha256:e19d2028865a1aae1684a35ca1847f7783d227f6dc28c31e5cae8845debfaafe"],"state_sha256":"f39fb40664f96f41b16576b9acdd64c4f2e52e4c54edff42fe9b68a5436d93c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7zCFf1gyhdQ0uyyvbVjBmhNgD623zVMmki1MZgvHp7KRovcO3y8lJJ0KWzOapeslXcpqhCRZwSl1enerhB/JBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T12:27:31.511973Z","bundle_sha256":"e905135a31a9d2307e133edd80c8543313a0a9e9cbded9213878c9fad54b61b6"}}