{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:UGIVBNL5B34TPBKHLJ36XYFXUG","short_pith_number":"pith:UGIVBNL5","canonical_record":{"source":{"id":"2205.12964","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-05-25T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"c47e1c9a2a83775e643941618c2576cf3531de482361bc0c28d8be8aaafbb044","abstract_canon_sha256":"1e199182fecc614bd1344b1e54c1c8d8562c73a768a444a4d9d686e9b57e8199"},"schema_version":"1.0"},"canonical_sha256":"a19150b57d0ef93785475a77ebe0b7a18f363955b01d992297ba9705554e6b4a","source":{"kind":"arxiv","id":"2205.12964","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.12964","created_at":"2026-07-05T05:55:08Z"},{"alias_kind":"arxiv_version","alias_value":"2205.12964v1","created_at":"2026-07-05T05:55:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.12964","created_at":"2026-07-05T05:55:08Z"},{"alias_kind":"pith_short_12","alias_value":"UGIVBNL5B34T","created_at":"2026-07-05T05:55:08Z"},{"alias_kind":"pith_short_16","alias_value":"UGIVBNL5B34TPBKH","created_at":"2026-07-05T05:55:08Z"},{"alias_kind":"pith_short_8","alias_value":"UGIVBNL5","created_at":"2026-07-05T05:55:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:UGIVBNL5B34TPBKHLJ36XYFXUG","target":"record","payload":{"canonical_record":{"source":{"id":"2205.12964","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-05-25T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"c47e1c9a2a83775e643941618c2576cf3531de482361bc0c28d8be8aaafbb044","abstract_canon_sha256":"1e199182fecc614bd1344b1e54c1c8d8562c73a768a444a4d9d686e9b57e8199"},"schema_version":"1.0"},"canonical_sha256":"a19150b57d0ef93785475a77ebe0b7a18f363955b01d992297ba9705554e6b4a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:55:08.997287Z","signature_b64":"asMj2HaST/QLHHLc8g+agIdq36BGgPeS1DqEmozq2e/nn9tSWUO0AAKwZdeERVZovPYWwVDGi3Jl/awK6FKsAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a19150b57d0ef93785475a77ebe0b7a18f363955b01d992297ba9705554e6b4a","last_reissued_at":"2026-07-05T05:55:08.996800Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:55:08.996800Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.12964","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":"2026-07-05T05:55:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/iUyQeOS3KFD51zxl+VMJBR9K7cXd0muS3KH+4pF+Iosevc3Nu10guMQTrF0ZOZkEz89454YarVi5v7ThITGAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T01:30:28.768527Z"},"content_sha256":"988155080982409fdf0b310c3483b5e08e1b6f3ad489aa656021775f84d75253","schema_version":"1.0","event_id":"sha256:988155080982409fdf0b310c3483b5e08e1b6f3ad489aa656021775f84d75253"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:UGIVBNL5B34TPBKHLJ36XYFXUG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robust Neural Network-Enhanced Estimation of Local Primordial Non-Gaussianity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Kendrick M. Smith, Moritz M\\\"unchmeyer, Utkarsh Giri","submitted_at":"2022-05-25T18:00:00Z","abstract_excerpt":"When applied to the non-linear matter distribution of the universe, neural networks have been shown to be very statistically sensitive probes of cosmological parameters, such as the linear perturbation amplitude $\\sigma_8$. However, when used as a \"black box\", neural networks are not robust to baryonic uncertainty. We propose a robust architecture for constraining primordial non-Gaussianity $f_{NL}$, by training a neural network to locally estimate $\\sigma_8$, and correlating these local estimates with the large-scale density field. We apply our method to N-body simulations, and show that $\\si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.12964","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/2205.12964/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":"2026-07-05T05:55:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gN3O9pTgryeugh2m9OLKmRAFDS9AweTZhbi1It7AflZfWMyd8WN46MB8HjzaRPl9kh2rHS5HbPrJbRazNDQODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T01:30:28.768861Z"},"content_sha256":"7bc166a9871d42170ba577156e07e9439eee4a806c6caf35a4c2d4e5b76a0d1c","schema_version":"1.0","event_id":"sha256:7bc166a9871d42170ba577156e07e9439eee4a806c6caf35a4c2d4e5b76a0d1c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UGIVBNL5B34TPBKHLJ36XYFXUG/bundle.json","state_url":"https://pith.science/pith/UGIVBNL5B34TPBKHLJ36XYFXUG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UGIVBNL5B34TPBKHLJ36XYFXUG/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":"2026-08-19T01:30:28Z","links":{"resolver":"https://pith.science/pith/UGIVBNL5B34TPBKHLJ36XYFXUG","bundle":"https://pith.science/pith/UGIVBNL5B34TPBKHLJ36XYFXUG/bundle.json","state":"https://pith.science/pith/UGIVBNL5B34TPBKHLJ36XYFXUG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UGIVBNL5B34TPBKHLJ36XYFXUG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:UGIVBNL5B34TPBKHLJ36XYFXUG","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":"1e199182fecc614bd1344b1e54c1c8d8562c73a768a444a4d9d686e9b57e8199","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-05-25T18:00:00Z","title_canon_sha256":"c47e1c9a2a83775e643941618c2576cf3531de482361bc0c28d8be8aaafbb044"},"schema_version":"1.0","source":{"id":"2205.12964","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.12964","created_at":"2026-07-05T05:55:08Z"},{"alias_kind":"arxiv_version","alias_value":"2205.12964v1","created_at":"2026-07-05T05:55:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.12964","created_at":"2026-07-05T05:55:08Z"},{"alias_kind":"pith_short_12","alias_value":"UGIVBNL5B34T","created_at":"2026-07-05T05:55:08Z"},{"alias_kind":"pith_short_16","alias_value":"UGIVBNL5B34TPBKH","created_at":"2026-07-05T05:55:08Z"},{"alias_kind":"pith_short_8","alias_value":"UGIVBNL5","created_at":"2026-07-05T05:55:08Z"}],"graph_snapshots":[{"event_id":"sha256:7bc166a9871d42170ba577156e07e9439eee4a806c6caf35a4c2d4e5b76a0d1c","target":"graph","created_at":"2026-07-05T05:55:08Z","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/2205.12964/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"When applied to the non-linear matter distribution of the universe, neural networks have been shown to be very statistically sensitive probes of cosmological parameters, such as the linear perturbation amplitude $\\sigma_8$. However, when used as a \"black box\", neural networks are not robust to baryonic uncertainty. We propose a robust architecture for constraining primordial non-Gaussianity $f_{NL}$, by training a neural network to locally estimate $\\sigma_8$, and correlating these local estimates with the large-scale density field. We apply our method to N-body simulations, and show that $\\si","authors_text":"Kendrick M. Smith, Moritz M\\\"unchmeyer, Utkarsh Giri","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-05-25T18:00:00Z","title":"Robust Neural Network-Enhanced Estimation of Local Primordial Non-Gaussianity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.12964","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":"sha256:988155080982409fdf0b310c3483b5e08e1b6f3ad489aa656021775f84d75253","target":"record","created_at":"2026-07-05T05:55:08Z","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":"1e199182fecc614bd1344b1e54c1c8d8562c73a768a444a4d9d686e9b57e8199","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-05-25T18:00:00Z","title_canon_sha256":"c47e1c9a2a83775e643941618c2576cf3531de482361bc0c28d8be8aaafbb044"},"schema_version":"1.0","source":{"id":"2205.12964","kind":"arxiv","version":1}},"canonical_sha256":"a19150b57d0ef93785475a77ebe0b7a18f363955b01d992297ba9705554e6b4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a19150b57d0ef93785475a77ebe0b7a18f363955b01d992297ba9705554e6b4a","first_computed_at":"2026-07-05T05:55:08.996800Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:55:08.996800Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"asMj2HaST/QLHHLc8g+agIdq36BGgPeS1DqEmozq2e/nn9tSWUO0AAKwZdeERVZovPYWwVDGi3Jl/awK6FKsAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:55:08.997287Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.12964","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:988155080982409fdf0b310c3483b5e08e1b6f3ad489aa656021775f84d75253","sha256:7bc166a9871d42170ba577156e07e9439eee4a806c6caf35a4c2d4e5b76a0d1c"],"state_sha256":"218e9574b494c357084bc3f37d45cb4f35279c50f9b8cbd500ffd0c0b02241ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kj7ipAnd4IPEQ7HQ4LOUxHsef0Qu+sCRLhmwJgvk7WImRVnjtsVTMYzJEflr8MDGxjZSHTbCIH1aePTdtwkFBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T01:30:28.772674Z","bundle_sha256":"9133f70d04359f9298e422abcf180c46bcaa6fa496338959118b2c2a58b5d493"}}