{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:V6YV63XPVHDHWKFDXBIBDDEPK4","short_pith_number":"pith:V6YV63XP","canonical_record":{"source":{"id":"1807.10298","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-26T18:05:13Z","cross_cats_sorted":[],"title_canon_sha256":"027e73723e5e73fb25d064526add9a04b0279137b13681155609add7fd9e637e","abstract_canon_sha256":"969b0127860ed8bb9b3dbaeb577ec949111a771c92e330d649803efd3d64a667"},"schema_version":"1.0"},"canonical_sha256":"afb15f6eefa9c67b28a3b850118c8f5732e379016f01ae71ccb9a9cf444f4979","source":{"kind":"arxiv","id":"1807.10298","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10298","created_at":"2026-05-18T00:00:51Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10298v2","created_at":"2026-05-18T00:00:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10298","created_at":"2026-05-18T00:00:51Z"},{"alias_kind":"pith_short_12","alias_value":"V6YV63XPVHDH","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"V6YV63XPVHDHWKFD","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"V6YV63XP","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:V6YV63XPVHDHWKFDXBIBDDEPK4","target":"record","payload":{"canonical_record":{"source":{"id":"1807.10298","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-26T18:05:13Z","cross_cats_sorted":[],"title_canon_sha256":"027e73723e5e73fb25d064526add9a04b0279137b13681155609add7fd9e637e","abstract_canon_sha256":"969b0127860ed8bb9b3dbaeb577ec949111a771c92e330d649803efd3d64a667"},"schema_version":"1.0"},"canonical_sha256":"afb15f6eefa9c67b28a3b850118c8f5732e379016f01ae71ccb9a9cf444f4979","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:51.649495Z","signature_b64":"ptlMva40jVHGZHKa0msHOsc2DUx4cn/6x8b0mLa56Say2ZBIP63GjCL+FpaK0GEZSSODt5B+Peb501FCjfqmBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"afb15f6eefa9c67b28a3b850118c8f5732e379016f01ae71ccb9a9cf444f4979","last_reissued_at":"2026-05-18T00:00:51.648823Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:51.648823Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.10298","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":"2026-05-18T00:00:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J65jRPwYOUx6IVsjO7JUMdOlkkud86TomNbCrbfgz58l5XDB+C+heLe3+3QOB5nuiuG1ggEnilxEtmxeXuofBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:50:25.305859Z"},"content_sha256":"3f21413cf3f714b62be6916af44809cf75ba52289346781caeb2d884284b7dfe","schema_version":"1.0","event_id":"sha256:3f21413cf3f714b62be6916af44809cf75ba52289346781caeb2d884284b7dfe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:V6YV63XPVHDHWKFDXBIBDDEPK4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"EPIC 246851721 b: A Tropical Jupiter Transiting a Rapidly Rotating Star in a Well-Aligned Orbit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Allyson Bieryla, Andrew Vanderburg, B. Scott Gaudi, Charles A. Beichman, Chelsea X. Huang, David R. Ciardi, David W. Latham, George Zhou, Gilbert A. Esquerdo, Ian J. M. Crossfield, Jason D. Eastman, Joseph E. Rodriguez, Keivan G. Stassun, Liang Yu, Michael L. Calkins, Perry Berlind, Samuel N. Quinn, Steven Villanueva Jr","submitted_at":"2018-07-26T18:05:13Z","abstract_excerpt":"We report the discovery of EPIC 246851721 b, a \"tropical\" Jupiter in a 6.18-day orbit around the bright ($V=11.439$) star EPIC 246851721 (TYC 1283-739-1). We present a detailed analysis of the system using $K2$ and ground-based photometry, radial velocities, Doppler tomography and adaptive optics imaging. From our global models, we infer that the host star is a rapidly rotating ($v \\sin i = 74.92 $ km s$^{-1}$) F dwarf with $T_\\mathrm{eff}$ = 6202 K, $R_\\star = 1.586 \\ R_\\odot$ and $M_\\star= 1.317 \\ M_\\odot$. EPIC 246851721 b has a radius of $1.051 \\pm 0.044 R_J$, and a mass of 3.0$^{+1.1}_{-1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10298","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":"2026-05-18T00:00:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iCgjO2EHr/NGl/M0nrDUujDTf2GmNf5pZ+Kkj/DhaJyJ+rHvnkgXhar2/Dh3lhjTwBTxFjRc4RvR5six5ZLUBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:50:25.306489Z"},"content_sha256":"0de69ebd30c68b056441652c1864d81a0938bd9202c80a2ef461b8e7b2c6613a","schema_version":"1.0","event_id":"sha256:0de69ebd30c68b056441652c1864d81a0938bd9202c80a2ef461b8e7b2c6613a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V6YV63XPVHDHWKFDXBIBDDEPK4/bundle.json","state_url":"https://pith.science/pith/V6YV63XPVHDHWKFDXBIBDDEPK4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V6YV63XPVHDHWKFDXBIBDDEPK4/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":"2026-05-28T21:50:25Z","links":{"resolver":"https://pith.science/pith/V6YV63XPVHDHWKFDXBIBDDEPK4","bundle":"https://pith.science/pith/V6YV63XPVHDHWKFDXBIBDDEPK4/bundle.json","state":"https://pith.science/pith/V6YV63XPVHDHWKFDXBIBDDEPK4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V6YV63XPVHDHWKFDXBIBDDEPK4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:V6YV63XPVHDHWKFDXBIBDDEPK4","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":"969b0127860ed8bb9b3dbaeb577ec949111a771c92e330d649803efd3d64a667","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-26T18:05:13Z","title_canon_sha256":"027e73723e5e73fb25d064526add9a04b0279137b13681155609add7fd9e637e"},"schema_version":"1.0","source":{"id":"1807.10298","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10298","created_at":"2026-05-18T00:00:51Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10298v2","created_at":"2026-05-18T00:00:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10298","created_at":"2026-05-18T00:00:51Z"},{"alias_kind":"pith_short_12","alias_value":"V6YV63XPVHDH","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"V6YV63XPVHDHWKFD","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"V6YV63XP","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:0de69ebd30c68b056441652c1864d81a0938bd9202c80a2ef461b8e7b2c6613a","target":"graph","created_at":"2026-05-18T00:00:51Z","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 the discovery of EPIC 246851721 b, a \"tropical\" Jupiter in a 6.18-day orbit around the bright ($V=11.439$) star EPIC 246851721 (TYC 1283-739-1). We present a detailed analysis of the system using $K2$ and ground-based photometry, radial velocities, Doppler tomography and adaptive optics imaging. From our global models, we infer that the host star is a rapidly rotating ($v \\sin i = 74.92 $ km s$^{-1}$) F dwarf with $T_\\mathrm{eff}$ = 6202 K, $R_\\star = 1.586 \\ R_\\odot$ and $M_\\star= 1.317 \\ M_\\odot$. EPIC 246851721 b has a radius of $1.051 \\pm 0.044 R_J$, and a mass of 3.0$^{+1.1}_{-1","authors_text":"Allyson Bieryla, Andrew Vanderburg, B. Scott Gaudi, Charles A. Beichman, Chelsea X. Huang, David R. Ciardi, David W. Latham, George Zhou, Gilbert A. Esquerdo, Ian J. M. Crossfield, Jason D. Eastman, Joseph E. Rodriguez, Keivan G. Stassun, Liang Yu, Michael L. Calkins, Perry Berlind, Samuel N. Quinn, Steven Villanueva Jr","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-26T18:05:13Z","title":"EPIC 246851721 b: A Tropical Jupiter Transiting a Rapidly Rotating Star in a Well-Aligned Orbit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10298","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":"sha256:3f21413cf3f714b62be6916af44809cf75ba52289346781caeb2d884284b7dfe","target":"record","created_at":"2026-05-18T00:00:51Z","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":"969b0127860ed8bb9b3dbaeb577ec949111a771c92e330d649803efd3d64a667","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-26T18:05:13Z","title_canon_sha256":"027e73723e5e73fb25d064526add9a04b0279137b13681155609add7fd9e637e"},"schema_version":"1.0","source":{"id":"1807.10298","kind":"arxiv","version":2}},"canonical_sha256":"afb15f6eefa9c67b28a3b850118c8f5732e379016f01ae71ccb9a9cf444f4979","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"afb15f6eefa9c67b28a3b850118c8f5732e379016f01ae71ccb9a9cf444f4979","first_computed_at":"2026-05-18T00:00:51.648823Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:51.648823Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ptlMva40jVHGZHKa0msHOsc2DUx4cn/6x8b0mLa56Say2ZBIP63GjCL+FpaK0GEZSSODt5B+Peb501FCjfqmBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:51.649495Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.10298","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f21413cf3f714b62be6916af44809cf75ba52289346781caeb2d884284b7dfe","sha256:0de69ebd30c68b056441652c1864d81a0938bd9202c80a2ef461b8e7b2c6613a"],"state_sha256":"6c448367403f9a9285220875d939e1caf9ccd8abaf023d712a66edd02ebc045c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WkCHZhvQZmVWNzfJdP/dLzajZA3nnhd6XcQZ1AC6gLP0iD5AOIXs2BNiEuHgSGOktpP3IDnR/gKOzYtrUPJgAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T21:50:25.310349Z","bundle_sha256":"7d8acbd07f92863a3b2133ec2b8c9e1cf8038a2431f3029fb611b6b47800620e"}}