{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:7LA3E5OBVFDWGGEJ43XJUH7QJZ","short_pith_number":"pith:7LA3E5OB","canonical_record":{"source":{"id":"2110.06885","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-10-13T17:17:03Z","cross_cats_sorted":[],"title_canon_sha256":"ffa95b74808911e0a0e5a8372cfd96da6b0a59bf041b0ba6566656b060ff3502","abstract_canon_sha256":"e7403f1016fcd2497e89fdf71883608068020af77301639b6cb2144cc5a934ec"},"schema_version":"1.0"},"canonical_sha256":"fac1b275c1a947631889e6ee9a1ff04e5252267d028029405b59f9c4cecc6e64","source":{"kind":"arxiv","id":"2110.06885","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.06885","created_at":"2026-07-05T03:46:23Z"},{"alias_kind":"arxiv_version","alias_value":"2110.06885v2","created_at":"2026-07-05T03:46:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.06885","created_at":"2026-07-05T03:46:23Z"},{"alias_kind":"pith_short_12","alias_value":"7LA3E5OBVFDW","created_at":"2026-07-05T03:46:23Z"},{"alias_kind":"pith_short_16","alias_value":"7LA3E5OBVFDWGGEJ","created_at":"2026-07-05T03:46:23Z"},{"alias_kind":"pith_short_8","alias_value":"7LA3E5OB","created_at":"2026-07-05T03:46:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:7LA3E5OBVFDWGGEJ43XJUH7QJZ","target":"record","payload":{"canonical_record":{"source":{"id":"2110.06885","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-10-13T17:17:03Z","cross_cats_sorted":[],"title_canon_sha256":"ffa95b74808911e0a0e5a8372cfd96da6b0a59bf041b0ba6566656b060ff3502","abstract_canon_sha256":"e7403f1016fcd2497e89fdf71883608068020af77301639b6cb2144cc5a934ec"},"schema_version":"1.0"},"canonical_sha256":"fac1b275c1a947631889e6ee9a1ff04e5252267d028029405b59f9c4cecc6e64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:46:23.029881Z","signature_b64":"aEBS6M/C975EM/JwLcO3Fhfclyh0wgVUjsb7i/A2IRNCnQl7/Nx6G894Xqz/+7lwW8AjB4nBKQe/0DJ0IkoACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fac1b275c1a947631889e6ee9a1ff04e5252267d028029405b59f9c4cecc6e64","last_reissued_at":"2026-07-05T03:46:23.029373Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:46:23.029373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.06885","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":"2026-07-05T03:46:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s9+Ju2r/zD+ApFR8FMEPJwk+q/S4jL5sTXOvCO47HNoZCExZss6TvtTvhA1UWyfK9QzKJdj2kx0Eqh5OGtN2DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:13:39.958325Z"},"content_sha256":"4f072f201c090fb0629235b870c1ab99f6c7d79e502229d9f7a3cf9c9e0ee391","schema_version":"1.0","event_id":"sha256:4f072f201c090fb0629235b870c1ab99f6c7d79e502229d9f7a3cf9c9e0ee391"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:7LA3E5OBVFDWGGEJ43XJUH7QJZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TKS V. Twin sub-Neptunes Transiting the Nearby G Star HD 63935","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Aida Behmard, Akihiko Fukui, Andrew W. Howard, Andrew W. Mayo, Arpita Roy, Ashley Chontos, Avi Shporer, Benjamin Fulton, Bill Wohler, Corey Beard, Courtney D. Dressing, Daniel A. Yahalomi, Daniel Huber, David R. Ciardi, David W. Latham, Diana Dragomir, Enric Pall\\'e, Erica J. Gonzales, Eric L. N. Jensen, Erik A. Petigura, Fei Dai, Gavin Wang, George R. Ricker, Grzegorz Nowak, Howard Isaacson, Ian J. M. Crossfield, Jack Lubin, Jerome P. de Leon, Jessie L. Christiansen, Joe Twicken, Jon Jenkins, Joseph M. Akana Murphy, Joshua E. Schlieder, Joshua N. Winn, Karen A. Collins, Keivan G. Stassun, Kevin I. Collins, Lauren M. Weiss, Lea A. Hirsch, Lee J. Rosenthal, Markus Rabus, Mayuko Mori, Michael B. Lund, Michelle L. Hill, Molly R. Kosiarek, Natalie M. Batalha, Nicholas Scarsdale, Norio Narita, Paul A. Dalba, Paul Robertson, Rafael Luque, Roland Vanderspek, Ryan A. Rubenzahl, S. Seager, Stephen R. Kane, Steven Giacalone, Tara Fetherolf, Teo Mo\\v{c}nik, Zachary R. Claytor","submitted_at":"2021-10-13T17:17:03Z","abstract_excerpt":"We present the discovery of two nearly identically-sized sub-Neptune transiting planets orbiting HD 63935, a bright ($V=8.6$ mag), sun-like ($T_{eff}=5560K$) star at 49 pc. TESS identified the first planet, HD 63935 b (TOI-509.01), in Sectors 7 and 34. We identified the second signal (HD 63935 c) in Keck HIRES and Lick APF radial velocity data as part of our followup campaign. It was subsequently confirmed with TESS photometry in Sector 34 as TOI-509.02. Our analysis of the photometric and radial velocity data yields a robust detection of both planets with periods of $9.0600 \\pm 0.007$ and $21"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.06885","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2110.06885/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":"2026-07-05T03:46:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CPawP8YWSs/cGO5PJMcH6kWuvO1IsH9kng0epqGqHEfEVqQObtqHRxZRD/pjAFgDM0r48Cz5DEbEZ7pX9vxaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:13:39.958847Z"},"content_sha256":"8836fbc57bc80e08ac27d6506bf8130116ed3835c5744c14ba1cd1c944c91fac","schema_version":"1.0","event_id":"sha256:8836fbc57bc80e08ac27d6506bf8130116ed3835c5744c14ba1cd1c944c91fac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7LA3E5OBVFDWGGEJ43XJUH7QJZ/bundle.json","state_url":"https://pith.science/pith/7LA3E5OBVFDWGGEJ43XJUH7QJZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7LA3E5OBVFDWGGEJ43XJUH7QJZ/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":"2026-08-05T06:13:39Z","links":{"resolver":"https://pith.science/pith/7LA3E5OBVFDWGGEJ43XJUH7QJZ","bundle":"https://pith.science/pith/7LA3E5OBVFDWGGEJ43XJUH7QJZ/bundle.json","state":"https://pith.science/pith/7LA3E5OBVFDWGGEJ43XJUH7QJZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7LA3E5OBVFDWGGEJ43XJUH7QJZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:7LA3E5OBVFDWGGEJ43XJUH7QJZ","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":"e7403f1016fcd2497e89fdf71883608068020af77301639b6cb2144cc5a934ec","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-10-13T17:17:03Z","title_canon_sha256":"ffa95b74808911e0a0e5a8372cfd96da6b0a59bf041b0ba6566656b060ff3502"},"schema_version":"1.0","source":{"id":"2110.06885","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.06885","created_at":"2026-07-05T03:46:23Z"},{"alias_kind":"arxiv_version","alias_value":"2110.06885v2","created_at":"2026-07-05T03:46:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.06885","created_at":"2026-07-05T03:46:23Z"},{"alias_kind":"pith_short_12","alias_value":"7LA3E5OBVFDW","created_at":"2026-07-05T03:46:23Z"},{"alias_kind":"pith_short_16","alias_value":"7LA3E5OBVFDWGGEJ","created_at":"2026-07-05T03:46:23Z"},{"alias_kind":"pith_short_8","alias_value":"7LA3E5OB","created_at":"2026-07-05T03:46:23Z"}],"graph_snapshots":[{"event_id":"sha256:8836fbc57bc80e08ac27d6506bf8130116ed3835c5744c14ba1cd1c944c91fac","target":"graph","created_at":"2026-07-05T03:46:23Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2110.06885/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the discovery of two nearly identically-sized sub-Neptune transiting planets orbiting HD 63935, a bright ($V=8.6$ mag), sun-like ($T_{eff}=5560K$) star at 49 pc. TESS identified the first planet, HD 63935 b (TOI-509.01), in Sectors 7 and 34. We identified the second signal (HD 63935 c) in Keck HIRES and Lick APF radial velocity data as part of our followup campaign. It was subsequently confirmed with TESS photometry in Sector 34 as TOI-509.02. Our analysis of the photometric and radial velocity data yields a robust detection of both planets with periods of $9.0600 \\pm 0.007$ and $21","authors_text":"Aida Behmard, Akihiko Fukui, Andrew W. Howard, Andrew W. Mayo, Arpita Roy, Ashley Chontos, Avi Shporer, Benjamin Fulton, Bill Wohler, Corey Beard, Courtney D. Dressing, Daniel A. Yahalomi, Daniel Huber, David R. Ciardi, David W. Latham, Diana Dragomir, Enric Pall\\'e, Erica J. Gonzales, Eric L. N. Jensen, Erik A. Petigura, Fei Dai, Gavin Wang, George R. Ricker, Grzegorz Nowak, Howard Isaacson, Ian J. M. Crossfield, Jack Lubin, Jerome P. de Leon, Jessie L. Christiansen, Joe Twicken, Jon Jenkins, Joseph M. Akana Murphy, Joshua E. Schlieder, Joshua N. Winn, Karen A. Collins, Keivan G. Stassun, Kevin I. Collins, Lauren M. Weiss, Lea A. Hirsch, Lee J. Rosenthal, Markus Rabus, Mayuko Mori, Michael B. Lund, Michelle L. Hill, Molly R. Kosiarek, Natalie M. Batalha, Nicholas Scarsdale, Norio Narita, Paul A. Dalba, Paul Robertson, Rafael Luque, Roland Vanderspek, Ryan A. Rubenzahl, S. Seager, Stephen R. Kane, Steven Giacalone, Tara Fetherolf, Teo Mo\\v{c}nik, Zachary R. Claytor","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-10-13T17:17:03Z","title":"TKS V. Twin sub-Neptunes Transiting the Nearby G Star HD 63935"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.06885","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":"sha256:4f072f201c090fb0629235b870c1ab99f6c7d79e502229d9f7a3cf9c9e0ee391","target":"record","created_at":"2026-07-05T03:46:23Z","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":"e7403f1016fcd2497e89fdf71883608068020af77301639b6cb2144cc5a934ec","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-10-13T17:17:03Z","title_canon_sha256":"ffa95b74808911e0a0e5a8372cfd96da6b0a59bf041b0ba6566656b060ff3502"},"schema_version":"1.0","source":{"id":"2110.06885","kind":"arxiv","version":2}},"canonical_sha256":"fac1b275c1a947631889e6ee9a1ff04e5252267d028029405b59f9c4cecc6e64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fac1b275c1a947631889e6ee9a1ff04e5252267d028029405b59f9c4cecc6e64","first_computed_at":"2026-07-05T03:46:23.029373Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:46:23.029373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aEBS6M/C975EM/JwLcO3Fhfclyh0wgVUjsb7i/A2IRNCnQl7/Nx6G894Xqz/+7lwW8AjB4nBKQe/0DJ0IkoACg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:46:23.029881Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.06885","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f072f201c090fb0629235b870c1ab99f6c7d79e502229d9f7a3cf9c9e0ee391","sha256:8836fbc57bc80e08ac27d6506bf8130116ed3835c5744c14ba1cd1c944c91fac"],"state_sha256":"6759fa4c05ae8702fb6e926769a1af62bfe68c623c9bc17df18fdd2d8ce6c358"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cyHDzOkZTpdYozWHVaKzu9c2u4QEvQKwOzk+vWUfNREWjxTsURwTsZmxFJGLC8G8gs+F0UluAQL0By2GBYkKAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:13:39.963244Z","bundle_sha256":"c15679180100af4341e671752e2bbd9b5551054d4ab277595cea0ca5a16e0cf0"}}