{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HIXFG7JBJIHU5F2LXUW7SIFDGN","short_pith_number":"pith:HIXFG7JB","canonical_record":{"source":{"id":"1807.04443","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-12T06:58:48Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"d1b8f88c60a66f982a572954702bc5bff91c5df94d4d098367e67fdd09f28a6e","abstract_canon_sha256":"74f410f11743522811e6082a8291c142d9c31cf26de4e3c2d18ea44e8449308c"},"schema_version":"1.0"},"canonical_sha256":"3a2e537d214a0f4e974bbd2df920a3336e44ef8f7e93619ce9a378adfade5780","source":{"kind":"arxiv","id":"1807.04443","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.04443","created_at":"2026-05-18T00:09:23Z"},{"alias_kind":"arxiv_version","alias_value":"1807.04443v1","created_at":"2026-05-18T00:09:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04443","created_at":"2026-05-18T00:09:23Z"},{"alias_kind":"pith_short_12","alias_value":"HIXFG7JBJIHU","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HIXFG7JBJIHU5F2L","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HIXFG7JB","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HIXFG7JBJIHU5F2LXUW7SIFDGN","target":"record","payload":{"canonical_record":{"source":{"id":"1807.04443","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-12T06:58:48Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"d1b8f88c60a66f982a572954702bc5bff91c5df94d4d098367e67fdd09f28a6e","abstract_canon_sha256":"74f410f11743522811e6082a8291c142d9c31cf26de4e3c2d18ea44e8449308c"},"schema_version":"1.0"},"canonical_sha256":"3a2e537d214a0f4e974bbd2df920a3336e44ef8f7e93619ce9a378adfade5780","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:23.983000Z","signature_b64":"cavt3wGsl+hobq6jYLj9KlNO01P7ZTKN7671rcaxSMJwxyrwfiimjKT4I0QwV/HpqGdMiFyzguqxxaJmxOX4AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a2e537d214a0f4e974bbd2df920a3336e44ef8f7e93619ce9a378adfade5780","last_reissued_at":"2026-05-18T00:09:23.982519Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:23.982519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.04443","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":"2026-05-18T00:09:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8cCjmUvKwUsOoZQFdFLJYo4k52/bj25QBZPCT/GrTjGIHlDTIFLm2mzbRVtfx0aJcaEBt/7WRQ5bY9l4u0W3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T01:41:06.075097Z"},"content_sha256":"08101f03765529503004ef05d93d73c5107ce07511a714b3ca748ebbf3df81ac","schema_version":"1.0","event_id":"sha256:08101f03765529503004ef05d93d73c5107ce07511a714b3ca748ebbf3df81ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HIXFG7JBJIHU5F2LXUW7SIFDGN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polarized Radiative Transfer in Planetary Atmospheres and the Polarization of Exoplanets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Jeremy Bailey, Kimberly Bott, Lucyna Kedziora-Chudczer","submitted_at":"2018-07-12T06:58:48Z","abstract_excerpt":"We describe the incorporation of polarized radiative transfer into the atmospheric radiative transfer modelling code VSTAR (Versatile Software for Transfer of Atmospheric Radiation). Using a vector discrete-ordinate radiative transfer code we are able to generate maps of radiance and polarization across the disc of a planet, and integrate over these to get the full-disc polarization. In this way we are able to obtain disc-resolved, phase-resolved and spectrally-resolved intensity and polarization for any of the wide range of atmopsheres that can be modelled with VSTAR. We have tested the code "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04443","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":""},"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":"2026-05-18T00:09:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3XpXan8gcgPxn+hKM1MBoACUcVyTTvZKZlRBS+eR7NeTMUx+aWGisFNzsvHXpY2jKRK4m29L1LCApeR6gnreDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T01:41:06.075469Z"},"content_sha256":"890476c3f01023f33b7a0f8bac343ef88620d1e4591eb5c85042738bac6c401c","schema_version":"1.0","event_id":"sha256:890476c3f01023f33b7a0f8bac343ef88620d1e4591eb5c85042738bac6c401c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HIXFG7JBJIHU5F2LXUW7SIFDGN/bundle.json","state_url":"https://pith.science/pith/HIXFG7JBJIHU5F2LXUW7SIFDGN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HIXFG7JBJIHU5F2LXUW7SIFDGN/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":"2026-06-20T01:41:06Z","links":{"resolver":"https://pith.science/pith/HIXFG7JBJIHU5F2LXUW7SIFDGN","bundle":"https://pith.science/pith/HIXFG7JBJIHU5F2LXUW7SIFDGN/bundle.json","state":"https://pith.science/pith/HIXFG7JBJIHU5F2LXUW7SIFDGN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HIXFG7JBJIHU5F2LXUW7SIFDGN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HIXFG7JBJIHU5F2LXUW7SIFDGN","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":"74f410f11743522811e6082a8291c142d9c31cf26de4e3c2d18ea44e8449308c","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-12T06:58:48Z","title_canon_sha256":"d1b8f88c60a66f982a572954702bc5bff91c5df94d4d098367e67fdd09f28a6e"},"schema_version":"1.0","source":{"id":"1807.04443","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.04443","created_at":"2026-05-18T00:09:23Z"},{"alias_kind":"arxiv_version","alias_value":"1807.04443v1","created_at":"2026-05-18T00:09:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04443","created_at":"2026-05-18T00:09:23Z"},{"alias_kind":"pith_short_12","alias_value":"HIXFG7JBJIHU","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HIXFG7JBJIHU5F2L","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HIXFG7JB","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:890476c3f01023f33b7a0f8bac343ef88620d1e4591eb5c85042738bac6c401c","target":"graph","created_at":"2026-05-18T00:09:23Z","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"},"paper":{"abstract_excerpt":"We describe the incorporation of polarized radiative transfer into the atmospheric radiative transfer modelling code VSTAR (Versatile Software for Transfer of Atmospheric Radiation). Using a vector discrete-ordinate radiative transfer code we are able to generate maps of radiance and polarization across the disc of a planet, and integrate over these to get the full-disc polarization. In this way we are able to obtain disc-resolved, phase-resolved and spectrally-resolved intensity and polarization for any of the wide range of atmopsheres that can be modelled with VSTAR. We have tested the code ","authors_text":"Jeremy Bailey, Kimberly Bott, Lucyna Kedziora-Chudczer","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-12T06:58:48Z","title":"Polarized Radiative Transfer in Planetary Atmospheres and the Polarization of Exoplanets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04443","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":"sha256:08101f03765529503004ef05d93d73c5107ce07511a714b3ca748ebbf3df81ac","target":"record","created_at":"2026-05-18T00:09:23Z","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":"74f410f11743522811e6082a8291c142d9c31cf26de4e3c2d18ea44e8449308c","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-12T06:58:48Z","title_canon_sha256":"d1b8f88c60a66f982a572954702bc5bff91c5df94d4d098367e67fdd09f28a6e"},"schema_version":"1.0","source":{"id":"1807.04443","kind":"arxiv","version":1}},"canonical_sha256":"3a2e537d214a0f4e974bbd2df920a3336e44ef8f7e93619ce9a378adfade5780","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a2e537d214a0f4e974bbd2df920a3336e44ef8f7e93619ce9a378adfade5780","first_computed_at":"2026-05-18T00:09:23.982519Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:23.982519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cavt3wGsl+hobq6jYLj9KlNO01P7ZTKN7671rcaxSMJwxyrwfiimjKT4I0QwV/HpqGdMiFyzguqxxaJmxOX4AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:23.983000Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.04443","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08101f03765529503004ef05d93d73c5107ce07511a714b3ca748ebbf3df81ac","sha256:890476c3f01023f33b7a0f8bac343ef88620d1e4591eb5c85042738bac6c401c"],"state_sha256":"81d21b6b8c677fd9046088cad10bdfaa7aca1b891d198ac7f4009d361218cf9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YlEEXJygU89qxyOaEfe2N5tZ/etPYt9yWBQnb1stqM5fguYoR8xxjvAEScN5UCLiVngtptS2cw//ee97bMeDCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T01:41:06.077348Z","bundle_sha256":"4149259b946e22bc6788e940e1f0f59cb1859c4d1317298c6bcb0662e1d81efe"}}