{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:AYQ2HEKOUV2XVPHDTFL5IPM5OO","short_pith_number":"pith:AYQ2HEKO","canonical_record":{"source":{"id":"2401.15891","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-01-29T05:07:49Z","cross_cats_sorted":[],"title_canon_sha256":"ef4ab914a0aa9f067f984ef6dac0a78702e1fadd4c10363a91eea0f274cb12af","abstract_canon_sha256":"8f0aa33ebcde8a6da465dd0b5fed8ba8f64ff30a69b7c2d05cda32f43e037dfc"},"schema_version":"1.0"},"canonical_sha256":"0621a3914ea5757abce39957d43d9d73b0ccf699df8d2c8c083cbe4ec214e3f2","source":{"kind":"arxiv","id":"2401.15891","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.15891","created_at":"2026-07-05T10:56:05Z"},{"alias_kind":"arxiv_version","alias_value":"2401.15891v1","created_at":"2026-07-05T10:56:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.15891","created_at":"2026-07-05T10:56:05Z"},{"alias_kind":"pith_short_12","alias_value":"AYQ2HEKOUV2X","created_at":"2026-07-05T10:56:05Z"},{"alias_kind":"pith_short_16","alias_value":"AYQ2HEKOUV2XVPHD","created_at":"2026-07-05T10:56:05Z"},{"alias_kind":"pith_short_8","alias_value":"AYQ2HEKO","created_at":"2026-07-05T10:56:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:AYQ2HEKOUV2XVPHDTFL5IPM5OO","target":"record","payload":{"canonical_record":{"source":{"id":"2401.15891","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-01-29T05:07:49Z","cross_cats_sorted":[],"title_canon_sha256":"ef4ab914a0aa9f067f984ef6dac0a78702e1fadd4c10363a91eea0f274cb12af","abstract_canon_sha256":"8f0aa33ebcde8a6da465dd0b5fed8ba8f64ff30a69b7c2d05cda32f43e037dfc"},"schema_version":"1.0"},"canonical_sha256":"0621a3914ea5757abce39957d43d9d73b0ccf699df8d2c8c083cbe4ec214e3f2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:56:05.013913Z","signature_b64":"1qH1Q2HjHda6JSPFQwcrd/9aFpjcBJLb69YcK/kJIQHQHOnBAJaX+7JB9IetqaviUvG6iTdFech05dBbRpFmBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0621a3914ea5757abce39957d43d9d73b0ccf699df8d2c8c083cbe4ec214e3f2","last_reissued_at":"2026-07-05T10:56:05.013428Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:56:05.013428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.15891","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":"2026-07-05T10:56:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8hXDIoxa2LN7GeZet4+JKHbFhNySKyghQImgIFtmNF/blKFJ3UxphNV8X4mFeRM8LU9QCGY8lTU+Kauw3fPdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T01:54:12.020759Z"},"content_sha256":"12b5afb35d50120c6b7e741df2d6399e8dc02cb2a50fd1f8743ca84b9e3ba1b8","schema_version":"1.0","event_id":"sha256:12b5afb35d50120c6b7e741df2d6399e8dc02cb2a50fd1f8743ca84b9e3ba1b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:AYQ2HEKOUV2XVPHDTFL5IPM5OO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A field-level emulator for modeling baryonic effects across hydrodynamic simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Biwei Dai, Divij Sharma, Francisco Villaescusa-Navarro, Uros Seljak","submitted_at":"2024-01-29T05:07:49Z","abstract_excerpt":"We develop a new and simple method to model baryonic effects at the field level relevant for weak lensing analyses. We analyze thousands of state-of-the-art hydrodynamic simulations from the CAMELS project, each with different cosmology and strength of feedback, and we find that the cross-correlation coefficient between full hydrodynamic and N-body simulations is very close to 1 down to $k\\sim10~h{\\rm Mpc}^{-1}$. This suggests that modeling baryonic effects at the field level down to these scales only requires N-body simulations plus a correction to the mode's amplitude given by: $\\sqrt{P_{\\rm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.15891","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2401.15891/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":"2026-07-05T10:56:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CdIG1V+7zJ3ImZG5PPl5VTAgeZ2OIzhxy5rz8qTDaePVxDVyEr+4/8kBNZ/dZj+b1gusKKry7W8v+vWgZI4sDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T01:54:12.021332Z"},"content_sha256":"746d03ca04ec8bcf3230233b2e4a8fa67a7327a5229f7a0ca67d9fd6d7c6dd82","schema_version":"1.0","event_id":"sha256:746d03ca04ec8bcf3230233b2e4a8fa67a7327a5229f7a0ca67d9fd6d7c6dd82"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AYQ2HEKOUV2XVPHDTFL5IPM5OO/bundle.json","state_url":"https://pith.science/pith/AYQ2HEKOUV2XVPHDTFL5IPM5OO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AYQ2HEKOUV2XVPHDTFL5IPM5OO/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":"2026-08-14T01:54:12Z","links":{"resolver":"https://pith.science/pith/AYQ2HEKOUV2XVPHDTFL5IPM5OO","bundle":"https://pith.science/pith/AYQ2HEKOUV2XVPHDTFL5IPM5OO/bundle.json","state":"https://pith.science/pith/AYQ2HEKOUV2XVPHDTFL5IPM5OO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AYQ2HEKOUV2XVPHDTFL5IPM5OO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:AYQ2HEKOUV2XVPHDTFL5IPM5OO","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":"8f0aa33ebcde8a6da465dd0b5fed8ba8f64ff30a69b7c2d05cda32f43e037dfc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-01-29T05:07:49Z","title_canon_sha256":"ef4ab914a0aa9f067f984ef6dac0a78702e1fadd4c10363a91eea0f274cb12af"},"schema_version":"1.0","source":{"id":"2401.15891","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.15891","created_at":"2026-07-05T10:56:05Z"},{"alias_kind":"arxiv_version","alias_value":"2401.15891v1","created_at":"2026-07-05T10:56:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.15891","created_at":"2026-07-05T10:56:05Z"},{"alias_kind":"pith_short_12","alias_value":"AYQ2HEKOUV2X","created_at":"2026-07-05T10:56:05Z"},{"alias_kind":"pith_short_16","alias_value":"AYQ2HEKOUV2XVPHD","created_at":"2026-07-05T10:56:05Z"},{"alias_kind":"pith_short_8","alias_value":"AYQ2HEKO","created_at":"2026-07-05T10:56:05Z"}],"graph_snapshots":[{"event_id":"sha256:746d03ca04ec8bcf3230233b2e4a8fa67a7327a5229f7a0ca67d9fd6d7c6dd82","target":"graph","created_at":"2026-07-05T10:56:05Z","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/2401.15891/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We develop a new and simple method to model baryonic effects at the field level relevant for weak lensing analyses. We analyze thousands of state-of-the-art hydrodynamic simulations from the CAMELS project, each with different cosmology and strength of feedback, and we find that the cross-correlation coefficient between full hydrodynamic and N-body simulations is very close to 1 down to $k\\sim10~h{\\rm Mpc}^{-1}$. This suggests that modeling baryonic effects at the field level down to these scales only requires N-body simulations plus a correction to the mode's amplitude given by: $\\sqrt{P_{\\rm","authors_text":"Biwei Dai, Divij Sharma, Francisco Villaescusa-Navarro, Uros Seljak","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-01-29T05:07:49Z","title":"A field-level emulator for modeling baryonic effects across hydrodynamic simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.15891","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":"sha256:12b5afb35d50120c6b7e741df2d6399e8dc02cb2a50fd1f8743ca84b9e3ba1b8","target":"record","created_at":"2026-07-05T10:56:05Z","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":"8f0aa33ebcde8a6da465dd0b5fed8ba8f64ff30a69b7c2d05cda32f43e037dfc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-01-29T05:07:49Z","title_canon_sha256":"ef4ab914a0aa9f067f984ef6dac0a78702e1fadd4c10363a91eea0f274cb12af"},"schema_version":"1.0","source":{"id":"2401.15891","kind":"arxiv","version":1}},"canonical_sha256":"0621a3914ea5757abce39957d43d9d73b0ccf699df8d2c8c083cbe4ec214e3f2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0621a3914ea5757abce39957d43d9d73b0ccf699df8d2c8c083cbe4ec214e3f2","first_computed_at":"2026-07-05T10:56:05.013428Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:56:05.013428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1qH1Q2HjHda6JSPFQwcrd/9aFpjcBJLb69YcK/kJIQHQHOnBAJaX+7JB9IetqaviUvG6iTdFech05dBbRpFmBg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:56:05.013913Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.15891","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12b5afb35d50120c6b7e741df2d6399e8dc02cb2a50fd1f8743ca84b9e3ba1b8","sha256:746d03ca04ec8bcf3230233b2e4a8fa67a7327a5229f7a0ca67d9fd6d7c6dd82"],"state_sha256":"dc98b14fac3d65b04bb3dcbe72b07ba65e9617db6e929f78362fc5ed46bf9175"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TTs+56IqL9w6S/SeUXq4KtFjADXOEFYxrhNVcGq8DkLlumazXvxG0epcoQY4G3ShqSwSjD8PVAhKpl57rHwzAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T01:54:12.026448Z","bundle_sha256":"54d708d2596e349d1bfa55b1aac50a0cc84ca36ef0b2baa9cf7dbd3b3fdad4b5"}}