{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:4Y7KBKYYJ3QGGK2CUDF7GNJOBK","short_pith_number":"pith:4Y7KBKYY","schema_version":"1.0","canonical_sha256":"e63ea0ab184ee0632b42a0cbf3352e0a8192c696b1fd1c1a3766464608e34258","source":{"kind":"arxiv","id":"1904.09355","version":2},"attestation_state":"computed","paper":{"title":"Exoplanet Reflected Light Spectroscopy with PICASO","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Jonathan J. Fortney, Mark S. Marley, Natasha E. Batalha, Nikole K. Lewis","submitted_at":"2019-04-19T22:03:32Z","abstract_excerpt":"Here we present the first open-source radiative transfer model for computing the reflected light of exoplanets at any phase geometry, called PICASO: Planetary Intensity Code for Atmospheric Scattering Observations. This code, written in Python, has heritage from a decades old, well-known Fortran model used for several studies of planetary objects within the Solar System and beyond. We have adopted it to include several methodologies for computing both direct and diffuse scattering phase functions, and have added several updates including the ability to compute Raman scattering spectral feature"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1904.09355","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-04-19T22:03:32Z","cross_cats_sorted":[],"title_canon_sha256":"076aedf8c657c74d89e6fb33c343bb36fe21a8297bf00895baf86bcf194ca32d","abstract_canon_sha256":"5c92fa8dd613b3e47fd09e7c153401f9afff583ad6062cc64e266518a6920008"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:02.487309Z","signature_b64":"dNg+X7skfhB7uYQdvufKPpWqrTinOGaCWGp2hu694FE/w2+K+HLcPd/VMFIhahHCyhLjxeIVU6kQ6GEPHmqlAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e63ea0ab184ee0632b42a0cbf3352e0a8192c696b1fd1c1a3766464608e34258","last_reissued_at":"2026-05-17T23:43:02.486805Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:02.486805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exoplanet Reflected Light Spectroscopy with PICASO","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Jonathan J. Fortney, Mark S. Marley, Natasha E. Batalha, Nikole K. Lewis","submitted_at":"2019-04-19T22:03:32Z","abstract_excerpt":"Here we present the first open-source radiative transfer model for computing the reflected light of exoplanets at any phase geometry, called PICASO: Planetary Intensity Code for Atmospheric Scattering Observations. This code, written in Python, has heritage from a decades old, well-known Fortran model used for several studies of planetary objects within the Solar System and beyond. We have adopted it to include several methodologies for computing both direct and diffuse scattering phase functions, and have added several updates including the ability to compute Raman scattering spectral feature"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.09355","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1904.09355","created_at":"2026-05-17T23:43:02.486881+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.09355v2","created_at":"2026-05-17T23:43:02.486881+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.09355","created_at":"2026-05-17T23:43:02.486881+00:00"},{"alias_kind":"pith_short_12","alias_value":"4Y7KBKYYJ3QG","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"4Y7KBKYYJ3QGGK2C","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"4Y7KBKYY","created_at":"2026-05-18T12:33:10.108867+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2606.30112","citing_title":"Asymmetric nightside CO2 features, inefficient heat transport, and precise evolutionary constraints: Spectroscopic phase curves reveal the past and present of a white dwarf-brown dwarf binary","ref_index":1,"is_internal_anchor":true},{"citing_arxiv_id":"2606.00177","citing_title":"Magnesium Silicate Clouds in the Atmosphere of HD 209458b from a Rule-Based Tree-Structured Data Reduction","ref_index":300,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4Y7KBKYYJ3QGGK2CUDF7GNJOBK","json":"https://pith.science/pith/4Y7KBKYYJ3QGGK2CUDF7GNJOBK.json","graph_json":"https://pith.science/api/pith-number/4Y7KBKYYJ3QGGK2CUDF7GNJOBK/graph.json","events_json":"https://pith.science/api/pith-number/4Y7KBKYYJ3QGGK2CUDF7GNJOBK/events.json","paper":"https://pith.science/paper/4Y7KBKYY"},"agent_actions":{"view_html":"https://pith.science/pith/4Y7KBKYYJ3QGGK2CUDF7GNJOBK","download_json":"https://pith.science/pith/4Y7KBKYYJ3QGGK2CUDF7GNJOBK.json","view_paper":"https://pith.science/paper/4Y7KBKYY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.09355&json=true","fetch_graph":"https://pith.science/api/pith-number/4Y7KBKYYJ3QGGK2CUDF7GNJOBK/graph.json","fetch_events":"https://pith.science/api/pith-number/4Y7KBKYYJ3QGGK2CUDF7GNJOBK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4Y7KBKYYJ3QGGK2CUDF7GNJOBK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4Y7KBKYYJ3QGGK2CUDF7GNJOBK/action/storage_attestation","attest_author":"https://pith.science/pith/4Y7KBKYYJ3QGGK2CUDF7GNJOBK/action/author_attestation","sign_citation":"https://pith.science/pith/4Y7KBKYYJ3QGGK2CUDF7GNJOBK/action/citation_signature","submit_replication":"https://pith.science/pith/4Y7KBKYYJ3QGGK2CUDF7GNJOBK/action/replication_record"}},"created_at":"2026-05-17T23:43:02.486881+00:00","updated_at":"2026-05-17T23:43:02.486881+00:00"}