{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:FSVQH4XCEPIROGFOVPTTE3HMMV","short_pith_number":"pith:FSVQH4XC","canonical_record":{"source":{"id":"1906.02395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-06-06T03:43:34Z","cross_cats_sorted":[],"title_canon_sha256":"cb76078eef13fc52b4b501017e334262c40cc2e493c6685feafee6dbb0ea0a24","abstract_canon_sha256":"ac00b4f0956493b34c4dfe9a7cd7dca8021ca9a841fe6d1b9b7b1d27e1af33ed"},"schema_version":"1.0"},"canonical_sha256":"2cab03f2e223d11718aeabe7326cec6554f1e3fa639f3777aa12087225b4b9e2","source":{"kind":"arxiv","id":"1906.02395","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02395","created_at":"2026-05-17T23:39:53Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02395v1","created_at":"2026-05-17T23:39:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02395","created_at":"2026-05-17T23:39:53Z"},{"alias_kind":"pith_short_12","alias_value":"FSVQH4XCEPIR","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FSVQH4XCEPIROGFO","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FSVQH4XC","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:FSVQH4XCEPIROGFOVPTTE3HMMV","target":"record","payload":{"canonical_record":{"source":{"id":"1906.02395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-06-06T03:43:34Z","cross_cats_sorted":[],"title_canon_sha256":"cb76078eef13fc52b4b501017e334262c40cc2e493c6685feafee6dbb0ea0a24","abstract_canon_sha256":"ac00b4f0956493b34c4dfe9a7cd7dca8021ca9a841fe6d1b9b7b1d27e1af33ed"},"schema_version":"1.0"},"canonical_sha256":"2cab03f2e223d11718aeabe7326cec6554f1e3fa639f3777aa12087225b4b9e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:53.652898Z","signature_b64":"TbPtASzgxtDOHUDBOE7A1csK5IRN3AY9rbAcCTUFekVlCbdPtULZ0ba9ftWZq/qUEZy3Gz7bWljzrM5gdky1Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cab03f2e223d11718aeabe7326cec6554f1e3fa639f3777aa12087225b4b9e2","last_reissued_at":"2026-05-17T23:39:53.652231Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:53.652231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.02395","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":"2026-05-17T23:39:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0qYZVkGkV5gdLWJnL7vHle+cVyIS/DSO6Zpuh3jeIgTRoKgFGeQ1qFBVsYhEj2nJ91jdFFHiYL3IZjZrFHP5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:44:16.324518Z"},"content_sha256":"11aa74a2fc8c1ff244bc4c37cc57c6e68990b400dbe7fd353045f5ef840d50d2","schema_version":"1.0","event_id":"sha256:11aa74a2fc8c1ff244bc4c37cc57c6e68990b400dbe7fd353045f5ef840d50d2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:FSVQH4XCEPIROGFOVPTTE3HMMV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Hot Saturn Near (but unassociated with) the Open Cluster NGC 1817","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Allyson Bieryla, Andrew Vanderburg, Andrew W. Mayo, Christoph Baranec, David W. Latham, Dmitry A. Duev, Gilbert A. Esquerdo, Ma\\\"issa Salama, Michael Endl, Michael L. Calkins, Nicholas M. Law, Perry Berlind, Rayna Rampalli, Rebecca Jensen-Clem, Reed Riddle, Samuel N. Quinn, William D. Cochran","submitted_at":"2019-06-06T03:43:34Z","abstract_excerpt":"We report on the discovery of a hot Saturn-sized planet (9.916 +/- 0.985 R_earth) around a late F star, EPIC 246865365, observed in Campaign 13 of the K2 mission. We began studying this planet candidate because prior to the release of Gaia DR2, the host star was thought to have been a member (> 90% membership probability) of the approximately 1 Gyr open cluster NGC 1817 based on its kinematics and photometric distance. We identify the host star (among three stars within the K2 photometric aperture) using seeing-limited photometry and rule out false positive scenarios using adaptive optics imag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02395","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":"2026-05-17T23:39:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Ilm+aZ8HLm54MGwo7uuk2/6k4/QqVO4XIc+9Q+U9VvYVyUkUkMCtHD7EOwEzG5+WdgGZrSwNm1hxae3+o/+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T11:44:16.324889Z"},"content_sha256":"90ef04aa5b859258a80908c2f62acdccb95d29638acc9c5dc69c7389cb078df2","schema_version":"1.0","event_id":"sha256:90ef04aa5b859258a80908c2f62acdccb95d29638acc9c5dc69c7389cb078df2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FSVQH4XCEPIROGFOVPTTE3HMMV/bundle.json","state_url":"https://pith.science/pith/FSVQH4XCEPIROGFOVPTTE3HMMV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FSVQH4XCEPIROGFOVPTTE3HMMV/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":"2026-05-28T11:44:16Z","links":{"resolver":"https://pith.science/pith/FSVQH4XCEPIROGFOVPTTE3HMMV","bundle":"https://pith.science/pith/FSVQH4XCEPIROGFOVPTTE3HMMV/bundle.json","state":"https://pith.science/pith/FSVQH4XCEPIROGFOVPTTE3HMMV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FSVQH4XCEPIROGFOVPTTE3HMMV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FSVQH4XCEPIROGFOVPTTE3HMMV","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":"ac00b4f0956493b34c4dfe9a7cd7dca8021ca9a841fe6d1b9b7b1d27e1af33ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-06-06T03:43:34Z","title_canon_sha256":"cb76078eef13fc52b4b501017e334262c40cc2e493c6685feafee6dbb0ea0a24"},"schema_version":"1.0","source":{"id":"1906.02395","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02395","created_at":"2026-05-17T23:39:53Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02395v1","created_at":"2026-05-17T23:39:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02395","created_at":"2026-05-17T23:39:53Z"},{"alias_kind":"pith_short_12","alias_value":"FSVQH4XCEPIR","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"FSVQH4XCEPIROGFO","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"FSVQH4XC","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:90ef04aa5b859258a80908c2f62acdccb95d29638acc9c5dc69c7389cb078df2","target":"graph","created_at":"2026-05-17T23:39:53Z","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 report on the discovery of a hot Saturn-sized planet (9.916 +/- 0.985 R_earth) around a late F star, EPIC 246865365, observed in Campaign 13 of the K2 mission. We began studying this planet candidate because prior to the release of Gaia DR2, the host star was thought to have been a member (> 90% membership probability) of the approximately 1 Gyr open cluster NGC 1817 based on its kinematics and photometric distance. We identify the host star (among three stars within the K2 photometric aperture) using seeing-limited photometry and rule out false positive scenarios using adaptive optics imag","authors_text":"Allyson Bieryla, Andrew Vanderburg, Andrew W. Mayo, Christoph Baranec, David W. Latham, Dmitry A. Duev, Gilbert A. Esquerdo, Ma\\\"issa Salama, Michael Endl, Michael L. Calkins, Nicholas M. Law, Perry Berlind, Rayna Rampalli, Rebecca Jensen-Clem, Reed Riddle, Samuel N. Quinn, William D. Cochran","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-06-06T03:43:34Z","title":"A Hot Saturn Near (but unassociated with) the Open Cluster NGC 1817"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02395","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":"sha256:11aa74a2fc8c1ff244bc4c37cc57c6e68990b400dbe7fd353045f5ef840d50d2","target":"record","created_at":"2026-05-17T23:39:53Z","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":"ac00b4f0956493b34c4dfe9a7cd7dca8021ca9a841fe6d1b9b7b1d27e1af33ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-06-06T03:43:34Z","title_canon_sha256":"cb76078eef13fc52b4b501017e334262c40cc2e493c6685feafee6dbb0ea0a24"},"schema_version":"1.0","source":{"id":"1906.02395","kind":"arxiv","version":1}},"canonical_sha256":"2cab03f2e223d11718aeabe7326cec6554f1e3fa639f3777aa12087225b4b9e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2cab03f2e223d11718aeabe7326cec6554f1e3fa639f3777aa12087225b4b9e2","first_computed_at":"2026-05-17T23:39:53.652231Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:53.652231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TbPtASzgxtDOHUDBOE7A1csK5IRN3AY9rbAcCTUFekVlCbdPtULZ0ba9ftWZq/qUEZy3Gz7bWljzrM5gdky1Ag==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:53.652898Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.02395","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11aa74a2fc8c1ff244bc4c37cc57c6e68990b400dbe7fd353045f5ef840d50d2","sha256:90ef04aa5b859258a80908c2f62acdccb95d29638acc9c5dc69c7389cb078df2"],"state_sha256":"821f9cdf49bdab8dda426b787bd7d4a5223ad38188f4e8533312860e816ec71e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lvhyhbrRjHL6hEean9C5RyaMXgAGHXbh0I/vGmbA7iqtA8ud2uNGPoIZKQAUeHvaHYY0coT0aaM5hWfYbiJzBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T11:44:16.327009Z","bundle_sha256":"e2bf5ebcc7742234bb738150a958a2eb369f01d915f1fddeb7055ba0dc8f65aa"}}