{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:73SR2NFHODB44ZMRHWH4HRWFEN","short_pith_number":"pith:73SR2NFH","canonical_record":{"source":{"id":"2406.19616","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-06-28T02:52:43Z","cross_cats_sorted":[],"title_canon_sha256":"45edfb7e14e111a18a7ef3d403e7a3532f0da03463d9d733ac3ceff733b24b1b","abstract_canon_sha256":"be6a7320802c0747515a9375d475cb8729451c2df56e9398a5c417f065bc7d54"},"schema_version":"1.0"},"canonical_sha256":"fee51d34a770c3ce65913d8fc3c6c52348057d28e455146b97394cecd54f8e4c","source":{"kind":"arxiv","id":"2406.19616","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.19616","created_at":"2026-07-05T08:37:42Z"},{"alias_kind":"arxiv_version","alias_value":"2406.19616v1","created_at":"2026-07-05T08:37:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.19616","created_at":"2026-07-05T08:37:42Z"},{"alias_kind":"pith_short_12","alias_value":"73SR2NFHODB4","created_at":"2026-07-05T08:37:42Z"},{"alias_kind":"pith_short_16","alias_value":"73SR2NFHODB44ZMR","created_at":"2026-07-05T08:37:42Z"},{"alias_kind":"pith_short_8","alias_value":"73SR2NFH","created_at":"2026-07-05T08:37:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:73SR2NFHODB44ZMRHWH4HRWFEN","target":"record","payload":{"canonical_record":{"source":{"id":"2406.19616","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-06-28T02:52:43Z","cross_cats_sorted":[],"title_canon_sha256":"45edfb7e14e111a18a7ef3d403e7a3532f0da03463d9d733ac3ceff733b24b1b","abstract_canon_sha256":"be6a7320802c0747515a9375d475cb8729451c2df56e9398a5c417f065bc7d54"},"schema_version":"1.0"},"canonical_sha256":"fee51d34a770c3ce65913d8fc3c6c52348057d28e455146b97394cecd54f8e4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:37:42.498648Z","signature_b64":"YkV9iW3eQeGtOfW98l43b3cr7cKx6EHY1pzROWYjFvXHkHPuIYzLGA0NlBV9BIWmne4B1vFfHnJS15kLTUI6Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fee51d34a770c3ce65913d8fc3c6c52348057d28e455146b97394cecd54f8e4c","last_reissued_at":"2026-07-05T08:37:42.498184Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:37:42.498184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.19616","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":"2026-07-05T08:37:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2LVbZ/+feU6xputtR8qBsbs8CUU+qi07vQ9tEUd8/hrXNIEKAZPx7SgopXwDGLlzntNFKj5Js1hefO3C1EjvBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T14:39:51.197474Z"},"content_sha256":"c6048f7f56b22836caff6e0a72ab5b2ec8b5ae2105a2694dd7ef8e9cad10c9e2","schema_version":"1.0","event_id":"sha256:c6048f7f56b22836caff6e0a72ab5b2ec8b5ae2105a2694dd7ef8e9cad10c9e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:73SR2NFHODB44ZMRHWH4HRWFEN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The space coronagraph optical bench (SCoOB): 3. Mueller matrix polarimetry of a coronagraphic exit pupil","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Emory Jenkins, Ewan S. Douglas, Jaren N. Ashcraft, Kyle Van Gorkom, Maxwell A. Millar-Blanchaer, Ramya M. Anche, William Melby","submitted_at":"2024-06-28T02:52:43Z","abstract_excerpt":"High-contrast imaging in the next decade aims to image exoplanets at smaller angular separations and deeper contrasts than ever before. A problem that has recently garnered attention for telescopes equipped with high-contrast coronagraphs is polarization aberration arising from the optics. These aberrations manifest as low-order aberrations of different magnitudes for orthogonal polarization states and spread light into the dark hole of the coronagraph that cannot be fully corrected. The origin of polarization aberrations has been modeled at the telescope level. However, we don't fully underst"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.19616","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/2406.19616/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":"2026-07-05T08:37:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e5mzbEyA5MnuzGlT7ramoR79Rp1P+4CEgGjiQoKZowsKRBEvXfnc4S3hEA5LJmfQ7E8gLbdGnh2AiTjnv1+kBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T14:39:51.198012Z"},"content_sha256":"55c652c903f76f5de321e1137000e2fe9748b18ff350dc73bf6b7464a6122792","schema_version":"1.0","event_id":"sha256:55c652c903f76f5de321e1137000e2fe9748b18ff350dc73bf6b7464a6122792"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/73SR2NFHODB44ZMRHWH4HRWFEN/bundle.json","state_url":"https://pith.science/pith/73SR2NFHODB44ZMRHWH4HRWFEN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/73SR2NFHODB44ZMRHWH4HRWFEN/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":"2026-08-12T14:39:51Z","links":{"resolver":"https://pith.science/pith/73SR2NFHODB44ZMRHWH4HRWFEN","bundle":"https://pith.science/pith/73SR2NFHODB44ZMRHWH4HRWFEN/bundle.json","state":"https://pith.science/pith/73SR2NFHODB44ZMRHWH4HRWFEN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/73SR2NFHODB44ZMRHWH4HRWFEN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:73SR2NFHODB44ZMRHWH4HRWFEN","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":"be6a7320802c0747515a9375d475cb8729451c2df56e9398a5c417f065bc7d54","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-06-28T02:52:43Z","title_canon_sha256":"45edfb7e14e111a18a7ef3d403e7a3532f0da03463d9d733ac3ceff733b24b1b"},"schema_version":"1.0","source":{"id":"2406.19616","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.19616","created_at":"2026-07-05T08:37:42Z"},{"alias_kind":"arxiv_version","alias_value":"2406.19616v1","created_at":"2026-07-05T08:37:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.19616","created_at":"2026-07-05T08:37:42Z"},{"alias_kind":"pith_short_12","alias_value":"73SR2NFHODB4","created_at":"2026-07-05T08:37:42Z"},{"alias_kind":"pith_short_16","alias_value":"73SR2NFHODB44ZMR","created_at":"2026-07-05T08:37:42Z"},{"alias_kind":"pith_short_8","alias_value":"73SR2NFH","created_at":"2026-07-05T08:37:42Z"}],"graph_snapshots":[{"event_id":"sha256:55c652c903f76f5de321e1137000e2fe9748b18ff350dc73bf6b7464a6122792","target":"graph","created_at":"2026-07-05T08:37:42Z","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/2406.19616/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High-contrast imaging in the next decade aims to image exoplanets at smaller angular separations and deeper contrasts than ever before. A problem that has recently garnered attention for telescopes equipped with high-contrast coronagraphs is polarization aberration arising from the optics. These aberrations manifest as low-order aberrations of different magnitudes for orthogonal polarization states and spread light into the dark hole of the coronagraph that cannot be fully corrected. The origin of polarization aberrations has been modeled at the telescope level. However, we don't fully underst","authors_text":"Emory Jenkins, Ewan S. Douglas, Jaren N. Ashcraft, Kyle Van Gorkom, Maxwell A. Millar-Blanchaer, Ramya M. Anche, William Melby","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-06-28T02:52:43Z","title":"The space coronagraph optical bench (SCoOB): 3. Mueller matrix polarimetry of a coronagraphic exit pupil"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.19616","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:c6048f7f56b22836caff6e0a72ab5b2ec8b5ae2105a2694dd7ef8e9cad10c9e2","target":"record","created_at":"2026-07-05T08:37:42Z","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":"be6a7320802c0747515a9375d475cb8729451c2df56e9398a5c417f065bc7d54","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-06-28T02:52:43Z","title_canon_sha256":"45edfb7e14e111a18a7ef3d403e7a3532f0da03463d9d733ac3ceff733b24b1b"},"schema_version":"1.0","source":{"id":"2406.19616","kind":"arxiv","version":1}},"canonical_sha256":"fee51d34a770c3ce65913d8fc3c6c52348057d28e455146b97394cecd54f8e4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fee51d34a770c3ce65913d8fc3c6c52348057d28e455146b97394cecd54f8e4c","first_computed_at":"2026-07-05T08:37:42.498184Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:37:42.498184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YkV9iW3eQeGtOfW98l43b3cr7cKx6EHY1pzROWYjFvXHkHPuIYzLGA0NlBV9BIWmne4B1vFfHnJS15kLTUI6Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:37:42.498648Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.19616","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6048f7f56b22836caff6e0a72ab5b2ec8b5ae2105a2694dd7ef8e9cad10c9e2","sha256:55c652c903f76f5de321e1137000e2fe9748b18ff350dc73bf6b7464a6122792"],"state_sha256":"5986141a574f0a2463e7660ad04b4ff7faa6cc3da3d581ff1a6e05f7d64cb045"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"525NT9ckAy3I0+mbyMym3ZvbLZZBzp4eLBntN/FD4/FL8UcrjNvIla0p8v8hFWTeQ/M0LHoBgoPp6VO7JxiSDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T14:39:51.202632Z","bundle_sha256":"143825a0721caa43288faf3b3c745016e06668bba6949e959f6b497d6e658031"}}