{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QWC6RLB6W5Q25WJTLMTN3FYM5H","short_pith_number":"pith:QWC6RLB6","canonical_record":{"source":{"id":"1903.09322","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-22T02:28:04Z","cross_cats_sorted":[],"title_canon_sha256":"c6b696449483beeeb8718c330be28eb56e93be7eadaa1e403069245c79148d4c","abstract_canon_sha256":"3558311445a76bbfa3227009a62c7747cd553a07d94ca4ea763b9d24136544d7"},"schema_version":"1.0"},"canonical_sha256":"8585e8ac3eb761aed9335b26dd970ce9ed25d75511dbaba401222bf19d7a7f21","source":{"kind":"arxiv","id":"1903.09322","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.09322","created_at":"2026-05-17T23:50:04Z"},{"alias_kind":"arxiv_version","alias_value":"1903.09322v2","created_at":"2026-05-17T23:50:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09322","created_at":"2026-05-17T23:50:04Z"},{"alias_kind":"pith_short_12","alias_value":"QWC6RLB6W5Q2","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QWC6RLB6W5Q25WJT","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QWC6RLB6","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QWC6RLB6W5Q25WJTLMTN3FYM5H","target":"record","payload":{"canonical_record":{"source":{"id":"1903.09322","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-22T02:28:04Z","cross_cats_sorted":[],"title_canon_sha256":"c6b696449483beeeb8718c330be28eb56e93be7eadaa1e403069245c79148d4c","abstract_canon_sha256":"3558311445a76bbfa3227009a62c7747cd553a07d94ca4ea763b9d24136544d7"},"schema_version":"1.0"},"canonical_sha256":"8585e8ac3eb761aed9335b26dd970ce9ed25d75511dbaba401222bf19d7a7f21","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:04.340059Z","signature_b64":"szH8FwtmNx8E3cu/qrl8+mUKsJjKs7B3HdhPngjLUtUP6Qj4XeJUPIsTG/7/icjLTWcZdwQDAJLdYwOp2g3vDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8585e8ac3eb761aed9335b26dd970ce9ed25d75511dbaba401222bf19d7a7f21","last_reissued_at":"2026-05-17T23:50:04.339457Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:04.339457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.09322","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:50:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vj1rAcTrSaxSTKNpjYzsdnLW5N3vT41ioSIW5/vnSVVGDyLDI+LkZU+U25Wxl0yGU676TSL+/OSCtuU8uvGtDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:46:57.725846Z"},"content_sha256":"00d1995abc42489d75575c950769687278bdd03e6ace01dfbd6b7ad5c25b0a90","schema_version":"1.0","event_id":"sha256:00d1995abc42489d75575c950769687278bdd03e6ace01dfbd6b7ad5c25b0a90"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QWC6RLB6W5Q25WJTLMTN3FYM5H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Imaging Cool Giant Planets in Reflected Light: Science Investigations and Synergy with Habitable Planets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Aki Roberge, Andrew Skemer, Bj\\\"orn Benneke, Bruce Macintosh, Caroline Morley, Channon Visscher, Charles Beichman, Christian Marois, Courtney Dressing, Dawn Gelino, Dimitri Mawet, Eric Lopez, Eric Nielsen, Eugene Serabyn, Giada Arney, Heidi Hammel, Jasmina Blecic, Jason Wang, Jeffrey Chilcote, John Gizis, Jonathan Fortney, Jonathan Lunine, Karl Stapelfeldt, Kathleen Mandt, Kerri Cahoy, Laura Mayorga, Mark Marley, Michael Fitzgerald, Michael Liu, Natasha Batalha, Nemanja Jovanovic, Nikole Lewis, Olivier Guyon, Quinn Konopacky, Ravi Kopparapu, Richard Freedman, Roxana Lupu, Shawn Domagal-Goldman, Thomas Greene, Vanessa Bailey, Yasuhiro Hasegawa","submitted_at":"2019-03-22T02:28:04Z","abstract_excerpt":"Planned astronomical observatories of the 2020s will be capable of obtaining reflected light photometry and spectroscopy of cool extrasolar giant planets. Here we explain that such data are valuable both for understanding the origin and evolution of giant planets as a whole and for preparing for the interpretation of similar datasets from potentially habitable extrasolar terrestrial planets in the decades to follow."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09322","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:50:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l/znlq+vsZOWb+/mpRSjUKuXG0G+foUNX8g7W+n3vXVqLAJUlPhcBvoV5S7FIzcvbj9fFD4MECF/a75/+nypAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:46:57.726542Z"},"content_sha256":"645ec7e62a8637f3ce0ade36fed617c374f584fe6354917d999bb55e2e96b579","schema_version":"1.0","event_id":"sha256:645ec7e62a8637f3ce0ade36fed617c374f584fe6354917d999bb55e2e96b579"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QWC6RLB6W5Q25WJTLMTN3FYM5H/bundle.json","state_url":"https://pith.science/pith/QWC6RLB6W5Q25WJTLMTN3FYM5H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QWC6RLB6W5Q25WJTLMTN3FYM5H/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":"2026-05-26T10:46:57Z","links":{"resolver":"https://pith.science/pith/QWC6RLB6W5Q25WJTLMTN3FYM5H","bundle":"https://pith.science/pith/QWC6RLB6W5Q25WJTLMTN3FYM5H/bundle.json","state":"https://pith.science/pith/QWC6RLB6W5Q25WJTLMTN3FYM5H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QWC6RLB6W5Q25WJTLMTN3FYM5H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QWC6RLB6W5Q25WJTLMTN3FYM5H","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":"3558311445a76bbfa3227009a62c7747cd553a07d94ca4ea763b9d24136544d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-22T02:28:04Z","title_canon_sha256":"c6b696449483beeeb8718c330be28eb56e93be7eadaa1e403069245c79148d4c"},"schema_version":"1.0","source":{"id":"1903.09322","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.09322","created_at":"2026-05-17T23:50:04Z"},{"alias_kind":"arxiv_version","alias_value":"1903.09322v2","created_at":"2026-05-17T23:50:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09322","created_at":"2026-05-17T23:50:04Z"},{"alias_kind":"pith_short_12","alias_value":"QWC6RLB6W5Q2","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QWC6RLB6W5Q25WJT","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QWC6RLB6","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:645ec7e62a8637f3ce0ade36fed617c374f584fe6354917d999bb55e2e96b579","target":"graph","created_at":"2026-05-17T23:50:04Z","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":"Planned astronomical observatories of the 2020s will be capable of obtaining reflected light photometry and spectroscopy of cool extrasolar giant planets. Here we explain that such data are valuable both for understanding the origin and evolution of giant planets as a whole and for preparing for the interpretation of similar datasets from potentially habitable extrasolar terrestrial planets in the decades to follow.","authors_text":"Aki Roberge, Andrew Skemer, Bj\\\"orn Benneke, Bruce Macintosh, Caroline Morley, Channon Visscher, Charles Beichman, Christian Marois, Courtney Dressing, Dawn Gelino, Dimitri Mawet, Eric Lopez, Eric Nielsen, Eugene Serabyn, Giada Arney, Heidi Hammel, Jasmina Blecic, Jason Wang, Jeffrey Chilcote, John Gizis, Jonathan Fortney, Jonathan Lunine, Karl Stapelfeldt, Kathleen Mandt, Kerri Cahoy, Laura Mayorga, Mark Marley, Michael Fitzgerald, Michael Liu, Natasha Batalha, Nemanja Jovanovic, Nikole Lewis, Olivier Guyon, Quinn Konopacky, Ravi Kopparapu, Richard Freedman, Roxana Lupu, Shawn Domagal-Goldman, Thomas Greene, Vanessa Bailey, Yasuhiro Hasegawa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-22T02:28:04Z","title":"Imaging Cool Giant Planets in Reflected Light: Science Investigations and Synergy with Habitable Planets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09322","kind":"arxiv","version":2},"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":"sha256:00d1995abc42489d75575c950769687278bdd03e6ace01dfbd6b7ad5c25b0a90","target":"record","created_at":"2026-05-17T23:50:04Z","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":"3558311445a76bbfa3227009a62c7747cd553a07d94ca4ea763b9d24136544d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-22T02:28:04Z","title_canon_sha256":"c6b696449483beeeb8718c330be28eb56e93be7eadaa1e403069245c79148d4c"},"schema_version":"1.0","source":{"id":"1903.09322","kind":"arxiv","version":2}},"canonical_sha256":"8585e8ac3eb761aed9335b26dd970ce9ed25d75511dbaba401222bf19d7a7f21","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8585e8ac3eb761aed9335b26dd970ce9ed25d75511dbaba401222bf19d7a7f21","first_computed_at":"2026-05-17T23:50:04.339457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:04.339457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"szH8FwtmNx8E3cu/qrl8+mUKsJjKs7B3HdhPngjLUtUP6Qj4XeJUPIsTG/7/icjLTWcZdwQDAJLdYwOp2g3vDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:04.340059Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.09322","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:00d1995abc42489d75575c950769687278bdd03e6ace01dfbd6b7ad5c25b0a90","sha256:645ec7e62a8637f3ce0ade36fed617c374f584fe6354917d999bb55e2e96b579"],"state_sha256":"e0e00ecfcbe4b7cd27cf642c7aa4d0f0826b6a3de794ae2e847d49a93da18da1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cf2ULXV0fFcTgtqidBnDZSgVY44u0Ulerb6IvIaE6tLXv7EuGz1BaVlxiWh9fL0dkN6kOt4BmBIg1jHnEzY6AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T10:46:57.730419Z","bundle_sha256":"7a5314fdd8a8f8322aabc01e199582d5849183c7253834e79319f49004894937"}}