{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:QO4YEFN4XABFZ42KIUTAUZLFIY","short_pith_number":"pith:QO4YEFN4","canonical_record":{"source":{"id":"2301.08258","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-19T19:00:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"b0b29c1ca90ff10cb51da6a95e6b28e6371173654bb711a4a7d77796a3541cb2","abstract_canon_sha256":"9dd9ed21d5560cace30117c0057dc86b49069cf43ea32d8c6c5db76daf230ade"},"schema_version":"1.0"},"canonical_sha256":"83b98215bcb8025cf34a45260a6565461b15b90ad16ba7010f4ecc66b38e4e34","source":{"kind":"arxiv","id":"2301.08258","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.08258","created_at":"2026-07-05T06:02:05Z"},{"alias_kind":"arxiv_version","alias_value":"2301.08258v1","created_at":"2026-07-05T06:02:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.08258","created_at":"2026-07-05T06:02:05Z"},{"alias_kind":"pith_short_12","alias_value":"QO4YEFN4XABF","created_at":"2026-07-05T06:02:05Z"},{"alias_kind":"pith_short_16","alias_value":"QO4YEFN4XABFZ42K","created_at":"2026-07-05T06:02:05Z"},{"alias_kind":"pith_short_8","alias_value":"QO4YEFN4","created_at":"2026-07-05T06:02:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:QO4YEFN4XABFZ42KIUTAUZLFIY","target":"record","payload":{"canonical_record":{"source":{"id":"2301.08258","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-19T19:00:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"b0b29c1ca90ff10cb51da6a95e6b28e6371173654bb711a4a7d77796a3541cb2","abstract_canon_sha256":"9dd9ed21d5560cace30117c0057dc86b49069cf43ea32d8c6c5db76daf230ade"},"schema_version":"1.0"},"canonical_sha256":"83b98215bcb8025cf34a45260a6565461b15b90ad16ba7010f4ecc66b38e4e34","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:02:05.305191Z","signature_b64":"zHZqYHrIaamAjV9LXla/SXb+WY6HzcSECqwWj9cinconCSJgKE2Kz/FAYm60/wUr/a3CONzqrwMvs+sOdRODDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83b98215bcb8025cf34a45260a6565461b15b90ad16ba7010f4ecc66b38e4e34","last_reissued_at":"2026-07-05T06:02:05.304723Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:02:05.304723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.08258","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":"2026-07-05T06:02:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DgIDs453lWjrWXmjgoYIxA0V1iSf0XB0wJnbJnTBbpRKSh80h/l8hkbqyu+1Ex6LG/x2W0WLvkI65zkReNH1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T16:54:18.499969Z"},"content_sha256":"57562a3a89d35aaaa7ea0acb1cc83819feeb2efa7f33cbbd8881c0e4b02b85ec","schema_version":"1.0","event_id":"sha256:57562a3a89d35aaaa7ea0acb1cc83819feeb2efa7f33cbbd8881c0e4b02b85ec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:QO4YEFN4XABFZ42KIUTAUZLFIY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards Robust Atmospheric Retrieval on Cloudy L Dwarfs: The Impact of Thermal and Abundance Profile Assumptions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Caroline Morley, Melanie Rowland, Michael Line","submitted_at":"2023-01-19T19:00:00Z","abstract_excerpt":"Constraining L dwarf properties from their spectra is challenging. Near-infrared spectra probe a limited range of pressures, while many species condense within their photospheres. Condensation creates two complexities: gas-phase species \"rain out\" (decreasing in abundances by many orders of magnitude) and clouds form. We designed tests using synthetic data to determine the best approach for retrieving L dwarf spectra, isolating the challenges in the absence of cloud opacity. We conducted atmospheric retrievals on synthetic cloud-free L dwarf spectra derived from the Sonora Bobcat models at Spe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.08258","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/2301.08258/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":"2026-07-05T06:02:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pt5+AJ2r0E1OQFdgasETkH3qJCPC+S08+yz4TmXPwujpyRaXC6TJNRfl8dPRBV81Z9jYZp5cvBw+PFX3gVjOCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T16:54:18.500872Z"},"content_sha256":"b26e8f2fc47521c5cd74e7d1201e3439af1dc8b3e613361cc746b1a380dbba77","schema_version":"1.0","event_id":"sha256:b26e8f2fc47521c5cd74e7d1201e3439af1dc8b3e613361cc746b1a380dbba77"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QO4YEFN4XABFZ42KIUTAUZLFIY/bundle.json","state_url":"https://pith.science/pith/QO4YEFN4XABFZ42KIUTAUZLFIY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QO4YEFN4XABFZ42KIUTAUZLFIY/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":"2026-08-18T16:54:18Z","links":{"resolver":"https://pith.science/pith/QO4YEFN4XABFZ42KIUTAUZLFIY","bundle":"https://pith.science/pith/QO4YEFN4XABFZ42KIUTAUZLFIY/bundle.json","state":"https://pith.science/pith/QO4YEFN4XABFZ42KIUTAUZLFIY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QO4YEFN4XABFZ42KIUTAUZLFIY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:QO4YEFN4XABFZ42KIUTAUZLFIY","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":"9dd9ed21d5560cace30117c0057dc86b49069cf43ea32d8c6c5db76daf230ade","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-19T19:00:00Z","title_canon_sha256":"b0b29c1ca90ff10cb51da6a95e6b28e6371173654bb711a4a7d77796a3541cb2"},"schema_version":"1.0","source":{"id":"2301.08258","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.08258","created_at":"2026-07-05T06:02:05Z"},{"alias_kind":"arxiv_version","alias_value":"2301.08258v1","created_at":"2026-07-05T06:02:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.08258","created_at":"2026-07-05T06:02:05Z"},{"alias_kind":"pith_short_12","alias_value":"QO4YEFN4XABF","created_at":"2026-07-05T06:02:05Z"},{"alias_kind":"pith_short_16","alias_value":"QO4YEFN4XABFZ42K","created_at":"2026-07-05T06:02:05Z"},{"alias_kind":"pith_short_8","alias_value":"QO4YEFN4","created_at":"2026-07-05T06:02:05Z"}],"graph_snapshots":[{"event_id":"sha256:b26e8f2fc47521c5cd74e7d1201e3439af1dc8b3e613361cc746b1a380dbba77","target":"graph","created_at":"2026-07-05T06:02:05Z","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/2301.08258/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Constraining L dwarf properties from their spectra is challenging. Near-infrared spectra probe a limited range of pressures, while many species condense within their photospheres. Condensation creates two complexities: gas-phase species \"rain out\" (decreasing in abundances by many orders of magnitude) and clouds form. We designed tests using synthetic data to determine the best approach for retrieving L dwarf spectra, isolating the challenges in the absence of cloud opacity. We conducted atmospheric retrievals on synthetic cloud-free L dwarf spectra derived from the Sonora Bobcat models at Spe","authors_text":"Caroline Morley, Melanie Rowland, Michael Line","cross_cats":["astro-ph.EP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-19T19:00:00Z","title":"Towards Robust Atmospheric Retrieval on Cloudy L Dwarfs: The Impact of Thermal and Abundance Profile Assumptions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.08258","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":"sha256:57562a3a89d35aaaa7ea0acb1cc83819feeb2efa7f33cbbd8881c0e4b02b85ec","target":"record","created_at":"2026-07-05T06:02:05Z","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":"9dd9ed21d5560cace30117c0057dc86b49069cf43ea32d8c6c5db76daf230ade","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-19T19:00:00Z","title_canon_sha256":"b0b29c1ca90ff10cb51da6a95e6b28e6371173654bb711a4a7d77796a3541cb2"},"schema_version":"1.0","source":{"id":"2301.08258","kind":"arxiv","version":1}},"canonical_sha256":"83b98215bcb8025cf34a45260a6565461b15b90ad16ba7010f4ecc66b38e4e34","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83b98215bcb8025cf34a45260a6565461b15b90ad16ba7010f4ecc66b38e4e34","first_computed_at":"2026-07-05T06:02:05.304723Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:02:05.304723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zHZqYHrIaamAjV9LXla/SXb+WY6HzcSECqwWj9cinconCSJgKE2Kz/FAYm60/wUr/a3CONzqrwMvs+sOdRODDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:02:05.305191Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.08258","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57562a3a89d35aaaa7ea0acb1cc83819feeb2efa7f33cbbd8881c0e4b02b85ec","sha256:b26e8f2fc47521c5cd74e7d1201e3439af1dc8b3e613361cc746b1a380dbba77"],"state_sha256":"457434d903737d66731ff07c5ee29414c9be31f9eaaa01c26feb05a171972942"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R5blX0Ck78o/VGaxjeJIXEhxeMaL6oEjKxtpVplkon7Z0pV7UtLbY8rHjt2wSQ5kqZXqGceQvY7XZJ0tKN1VBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T16:54:18.507451Z","bundle_sha256":"72f25acb7d56a84b518ec3485c5bf5b8c651231436e56ba142ba7c7b9a91417a"}}