{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:BVZZZKX4QHI4LZPMDJJZOMNBZM","short_pith_number":"pith:BVZZZKX4","canonical_record":{"source":{"id":"2312.05254","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-12-08T18:59:22Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR","cs.LG"],"title_canon_sha256":"0c4c6e8db13c0d043ccf66e12510bf2bb8a82ab228b0da43ca0ae73e04840cfc","abstract_canon_sha256":"dfa43e3b570d92907d1c1437f99d050ebe5743839724ded69fd5d1eb8371dc9f"},"schema_version":"1.0"},"canonical_sha256":"0d739caafc81d1c5e5ec1a539731a1cb203a6d97a1239afb280f3a54c9ff47eb","source":{"kind":"arxiv","id":"2312.05254","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.05254","created_at":"2026-07-05T07:21:59Z"},{"alias_kind":"arxiv_version","alias_value":"2312.05254v1","created_at":"2026-07-05T07:21:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.05254","created_at":"2026-07-05T07:21:59Z"},{"alias_kind":"pith_short_12","alias_value":"BVZZZKX4QHI4","created_at":"2026-07-05T07:21:59Z"},{"alias_kind":"pith_short_16","alias_value":"BVZZZKX4QHI4LZPM","created_at":"2026-07-05T07:21:59Z"},{"alias_kind":"pith_short_8","alias_value":"BVZZZKX4","created_at":"2026-07-05T07:21:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:BVZZZKX4QHI4LZPMDJJZOMNBZM","target":"record","payload":{"canonical_record":{"source":{"id":"2312.05254","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-12-08T18:59:22Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR","cs.LG"],"title_canon_sha256":"0c4c6e8db13c0d043ccf66e12510bf2bb8a82ab228b0da43ca0ae73e04840cfc","abstract_canon_sha256":"dfa43e3b570d92907d1c1437f99d050ebe5743839724ded69fd5d1eb8371dc9f"},"schema_version":"1.0"},"canonical_sha256":"0d739caafc81d1c5e5ec1a539731a1cb203a6d97a1239afb280f3a54c9ff47eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:21:59.173843Z","signature_b64":"G7Ko9pXBqrHTFN58q9bfcpkWsrf6rud6rjKjbddZ+/RftdnYBYzFBWlFLEcS2GRsjXkwXV5x+IS4oxWlH4pbBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d739caafc81d1c5e5ec1a539731a1cb203a6d97a1239afb280f3a54c9ff47eb","last_reissued_at":"2026-07-05T07:21:59.173427Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:21:59.173427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.05254","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":"2026-07-05T07:21:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mrW/E4361LtYUyekI/+O7NTbGNTb07pVbL1Ipuc/RSOsE79awlzzqLJOeLYzn5JWuR6iilUVwB+0XKmtAjC/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T22:26:00.648814Z"},"content_sha256":"0456c20e10658c221980fe0d205977ed74088befd4ce4d11da4ecd5a7688c723","schema_version":"1.0","event_id":"sha256:0456c20e10658c221980fe0d205977ed74088befd4ce4d11da4ecd5a7688c723"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:BVZZZKX4QHI4LZPMDJJZOMNBZM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Disentangling CO Chemistry in a Protoplanetary Disk Using Explanatory Machine Learning Techniques","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR","cs.LG"],"primary_cat":"astro-ph.EP","authors_text":"(2) Earth, (3) Space Telescope Science Institute, (4) National Radio Astronomy Observatory), Adele Plunkett (4) ((1) University of Virginia, Amina Diop (1), Carnegie Institution for Science, Dana Anderson (2), Ilse Cleeves (1), Jamila Pegues (3), Planets Laboratory","submitted_at":"2023-12-08T18:59:22Z","abstract_excerpt":"Molecular abundances in protoplanetary disks are highly sensitive to the local physical conditions, including gas temperature, gas density, radiation field, and dust properties. Often multiple factors are intertwined, impacting the abundances of both simple and complex species. We present a new approach to understanding these chemical and physical interdependencies using machine learning. Specifically we explore the case of CO modeled under the conditions of a generic disk and build an explanatory regression model to study the dependence of CO spatial density on the gas density, gas temperatur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.05254","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/2312.05254/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":"2026-07-05T07:21:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6CsNsWOxFcglpnYrrwfIvH8QW/MSMucg/nvxvTCb3WW4diIalIIP9F2mUOZFzjaeAgZvwlFiWDCw5WTH4u5pBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T22:26:00.649354Z"},"content_sha256":"75f33401ac5d5e85d0855dae30d860085d53fafd30099150538197c0a637e90b","schema_version":"1.0","event_id":"sha256:75f33401ac5d5e85d0855dae30d860085d53fafd30099150538197c0a637e90b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BVZZZKX4QHI4LZPMDJJZOMNBZM/bundle.json","state_url":"https://pith.science/pith/BVZZZKX4QHI4LZPMDJJZOMNBZM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BVZZZKX4QHI4LZPMDJJZOMNBZM/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":"2026-08-10T22:26:00Z","links":{"resolver":"https://pith.science/pith/BVZZZKX4QHI4LZPMDJJZOMNBZM","bundle":"https://pith.science/pith/BVZZZKX4QHI4LZPMDJJZOMNBZM/bundle.json","state":"https://pith.science/pith/BVZZZKX4QHI4LZPMDJJZOMNBZM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BVZZZKX4QHI4LZPMDJJZOMNBZM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:BVZZZKX4QHI4LZPMDJJZOMNBZM","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":"dfa43e3b570d92907d1c1437f99d050ebe5743839724ded69fd5d1eb8371dc9f","cross_cats_sorted":["astro-ph.GA","astro-ph.SR","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-12-08T18:59:22Z","title_canon_sha256":"0c4c6e8db13c0d043ccf66e12510bf2bb8a82ab228b0da43ca0ae73e04840cfc"},"schema_version":"1.0","source":{"id":"2312.05254","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.05254","created_at":"2026-07-05T07:21:59Z"},{"alias_kind":"arxiv_version","alias_value":"2312.05254v1","created_at":"2026-07-05T07:21:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.05254","created_at":"2026-07-05T07:21:59Z"},{"alias_kind":"pith_short_12","alias_value":"BVZZZKX4QHI4","created_at":"2026-07-05T07:21:59Z"},{"alias_kind":"pith_short_16","alias_value":"BVZZZKX4QHI4LZPM","created_at":"2026-07-05T07:21:59Z"},{"alias_kind":"pith_short_8","alias_value":"BVZZZKX4","created_at":"2026-07-05T07:21:59Z"}],"graph_snapshots":[{"event_id":"sha256:75f33401ac5d5e85d0855dae30d860085d53fafd30099150538197c0a637e90b","target":"graph","created_at":"2026-07-05T07:21:59Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2312.05254/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Molecular abundances in protoplanetary disks are highly sensitive to the local physical conditions, including gas temperature, gas density, radiation field, and dust properties. Often multiple factors are intertwined, impacting the abundances of both simple and complex species. We present a new approach to understanding these chemical and physical interdependencies using machine learning. Specifically we explore the case of CO modeled under the conditions of a generic disk and build an explanatory regression model to study the dependence of CO spatial density on the gas density, gas temperatur","authors_text":"(2) Earth, (3) Space Telescope Science Institute, (4) National Radio Astronomy Observatory), Adele Plunkett (4) ((1) University of Virginia, Amina Diop (1), Carnegie Institution for Science, Dana Anderson (2), Ilse Cleeves (1), Jamila Pegues (3), Planets Laboratory","cross_cats":["astro-ph.GA","astro-ph.SR","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-12-08T18:59:22Z","title":"Disentangling CO Chemistry in a Protoplanetary Disk Using Explanatory Machine Learning Techniques"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.05254","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":"sha256:0456c20e10658c221980fe0d205977ed74088befd4ce4d11da4ecd5a7688c723","target":"record","created_at":"2026-07-05T07:21:59Z","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":"dfa43e3b570d92907d1c1437f99d050ebe5743839724ded69fd5d1eb8371dc9f","cross_cats_sorted":["astro-ph.GA","astro-ph.SR","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-12-08T18:59:22Z","title_canon_sha256":"0c4c6e8db13c0d043ccf66e12510bf2bb8a82ab228b0da43ca0ae73e04840cfc"},"schema_version":"1.0","source":{"id":"2312.05254","kind":"arxiv","version":1}},"canonical_sha256":"0d739caafc81d1c5e5ec1a539731a1cb203a6d97a1239afb280f3a54c9ff47eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d739caafc81d1c5e5ec1a539731a1cb203a6d97a1239afb280f3a54c9ff47eb","first_computed_at":"2026-07-05T07:21:59.173427Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:21:59.173427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G7Ko9pXBqrHTFN58q9bfcpkWsrf6rud6rjKjbddZ+/RftdnYBYzFBWlFLEcS2GRsjXkwXV5x+IS4oxWlH4pbBw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:21:59.173843Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.05254","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0456c20e10658c221980fe0d205977ed74088befd4ce4d11da4ecd5a7688c723","sha256:75f33401ac5d5e85d0855dae30d860085d53fafd30099150538197c0a637e90b"],"state_sha256":"bfe15ab4cf5dc68b0e4d9c2e6c4189f35dde8f717c9bf4a6225ae8ee39447017"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CYAWHFI/0axs+uwuFiMKvyg/bYH+X2veK3WPJfc3v/sMH8FZ0piJCiEztAzKQgnBwLL3z2R6f2sb33mtJogWDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T22:26:00.653601Z","bundle_sha256":"6b0172b5215028e46334e8f3af9c76e25dd374599a10ec0aeaf125097c24b304"}}