{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:LGEOF7G6TRUNT4UIIZKYHP5SP5","short_pith_number":"pith:LGEOF7G6","canonical_record":{"source":{"id":"2112.04517","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-12-08T19:00:09Z","cross_cats_sorted":["astro-ph.EP","astro-ph.SR"],"title_canon_sha256":"da30cd89d30a2f4b9b782c0e5c0cabb0ebf6ac9773b7981da854ba16b85e90e2","abstract_canon_sha256":"e5c2b9b028eed95e81301be3d355317fef0039e194e0be6a4b46fea351301f31"},"schema_version":"1.0"},"canonical_sha256":"5988e2fcde9c68d9f288465583bfb27f536b94d0d63a14bf4f2bb9a3870e0a3d","source":{"kind":"arxiv","id":"2112.04517","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.04517","created_at":"2026-07-05T03:39:20Z"},{"alias_kind":"arxiv_version","alias_value":"2112.04517v1","created_at":"2026-07-05T03:39:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.04517","created_at":"2026-07-05T03:39:20Z"},{"alias_kind":"pith_short_12","alias_value":"LGEOF7G6TRUN","created_at":"2026-07-05T03:39:20Z"},{"alias_kind":"pith_short_16","alias_value":"LGEOF7G6TRUNT4UI","created_at":"2026-07-05T03:39:20Z"},{"alias_kind":"pith_short_8","alias_value":"LGEOF7G6","created_at":"2026-07-05T03:39:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:LGEOF7G6TRUNT4UIIZKYHP5SP5","target":"record","payload":{"canonical_record":{"source":{"id":"2112.04517","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-12-08T19:00:09Z","cross_cats_sorted":["astro-ph.EP","astro-ph.SR"],"title_canon_sha256":"da30cd89d30a2f4b9b782c0e5c0cabb0ebf6ac9773b7981da854ba16b85e90e2","abstract_canon_sha256":"e5c2b9b028eed95e81301be3d355317fef0039e194e0be6a4b46fea351301f31"},"schema_version":"1.0"},"canonical_sha256":"5988e2fcde9c68d9f288465583bfb27f536b94d0d63a14bf4f2bb9a3870e0a3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:39:20.332711Z","signature_b64":"5qcbmhlxIJwguEn8H3la6UWQ2eAlUjynJreYrhP04/1KljpskXSltS9mzhq8YjcA38jFxOs/4h1O7FHU9pf0Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5988e2fcde9c68d9f288465583bfb27f536b94d0d63a14bf4f2bb9a3870e0a3d","last_reissued_at":"2026-07-05T03:39:20.332310Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:39:20.332310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2112.04517","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":"2026-07-05T03:39:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SNbpzBZgUCABVydrzVT+OjheajW1S+j8hll9UHxQQyAX/79r2CpRpJU3X/jymL7IJ30IpEigrNDFTMcJ+ImqBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T12:39:28.113874Z"},"content_sha256":"bb7da33f0790e7d5d0c79bd0056cc0cde13d8d1e35c07c2209d0c5788c3a7f21","schema_version":"1.0","event_id":"sha256:bb7da33f0790e7d5d0c79bd0056cc0cde13d8d1e35c07c2209d0c5788c3a7f21"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:LGEOF7G6TRUNT4UIIZKYHP5SP5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Final Report for SAG 22: A Target Star Archive for Exoplanet Science","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"Alyssa Columbus, Angelle Tanner, Archit Kalra, Carl Melis, Christopher C. Stark, Chuanfei Dong, David J. Wilson, David R. Ciardi, David W. Latham, Devanshu Jha, Dimitri Veras, E. J. Safron, Eliad Peretz, Galen Bergsten, Ilaria Pascucci, J. A. Caballero, Jacob Luhn, Jacob Lustig-Yaeger, Jennifer A. Burt, Jennifer G. Winters, Joshua Pepper, Karan Molaverdikhani, K. Cunha, Keivan G. Stassun, Kevin K. Hardegree-Ullman, Kimberly Scarangella Smith, Lokesh Mishra, Natalie R. Hinkel, Navya Nagananda, Noah Tuchow, Ravi Kopparapu, R. M. Elowitz, Sabine Reffert, Shawn D. Domagal-Goldman, Tabetha S. Boyajian, Tyler Richey-Yowell","submitted_at":"2021-12-08T19:00:09Z","abstract_excerpt":"Present and upcoming NASA missions will be intensively observing a selected, partially overlapping set of stars for exoplanet studies. Key physical and chemical information about these stars and their systems is needed for planning observations and interpreting the results. A target star archive of such data would benefit a wide cross-section of the exoplanet community by enhancing the chances of mission success and improving the efficiency of mission observatories. It would also provide a common, accessible resource for scientific analysis based on standardized assumptions, while revealing ga"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.04517","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/2112.04517/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":"2026-07-05T03:39:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vbIX3TXR12qSWMGTVLylQXl6kwZGaTj/9TRUqFTslsBNvnn6xX+ZXwnjzX1lvEnlwFDhA22D+KecVnewr8z7CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T12:39:28.120200Z"},"content_sha256":"8d4aa561bee92477e85da5d5655bc52e153f2d81d488d742b7cb261f747f1664","schema_version":"1.0","event_id":"sha256:8d4aa561bee92477e85da5d5655bc52e153f2d81d488d742b7cb261f747f1664"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LGEOF7G6TRUNT4UIIZKYHP5SP5/bundle.json","state_url":"https://pith.science/pith/LGEOF7G6TRUNT4UIIZKYHP5SP5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LGEOF7G6TRUNT4UIIZKYHP5SP5/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":"2026-08-14T12:39:28Z","links":{"resolver":"https://pith.science/pith/LGEOF7G6TRUNT4UIIZKYHP5SP5","bundle":"https://pith.science/pith/LGEOF7G6TRUNT4UIIZKYHP5SP5/bundle.json","state":"https://pith.science/pith/LGEOF7G6TRUNT4UIIZKYHP5SP5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LGEOF7G6TRUNT4UIIZKYHP5SP5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:LGEOF7G6TRUNT4UIIZKYHP5SP5","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":"e5c2b9b028eed95e81301be3d355317fef0039e194e0be6a4b46fea351301f31","cross_cats_sorted":["astro-ph.EP","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-12-08T19:00:09Z","title_canon_sha256":"da30cd89d30a2f4b9b782c0e5c0cabb0ebf6ac9773b7981da854ba16b85e90e2"},"schema_version":"1.0","source":{"id":"2112.04517","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.04517","created_at":"2026-07-05T03:39:20Z"},{"alias_kind":"arxiv_version","alias_value":"2112.04517v1","created_at":"2026-07-05T03:39:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.04517","created_at":"2026-07-05T03:39:20Z"},{"alias_kind":"pith_short_12","alias_value":"LGEOF7G6TRUN","created_at":"2026-07-05T03:39:20Z"},{"alias_kind":"pith_short_16","alias_value":"LGEOF7G6TRUNT4UI","created_at":"2026-07-05T03:39:20Z"},{"alias_kind":"pith_short_8","alias_value":"LGEOF7G6","created_at":"2026-07-05T03:39:20Z"}],"graph_snapshots":[{"event_id":"sha256:8d4aa561bee92477e85da5d5655bc52e153f2d81d488d742b7cb261f747f1664","target":"graph","created_at":"2026-07-05T03:39:20Z","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/2112.04517/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Present and upcoming NASA missions will be intensively observing a selected, partially overlapping set of stars for exoplanet studies. Key physical and chemical information about these stars and their systems is needed for planning observations and interpreting the results. A target star archive of such data would benefit a wide cross-section of the exoplanet community by enhancing the chances of mission success and improving the efficiency of mission observatories. It would also provide a common, accessible resource for scientific analysis based on standardized assumptions, while revealing ga","authors_text":"Alyssa Columbus, Angelle Tanner, Archit Kalra, Carl Melis, Christopher C. Stark, Chuanfei Dong, David J. Wilson, David R. Ciardi, David W. Latham, Devanshu Jha, Dimitri Veras, E. J. Safron, Eliad Peretz, Galen Bergsten, Ilaria Pascucci, J. A. Caballero, Jacob Luhn, Jacob Lustig-Yaeger, Jennifer A. Burt, Jennifer G. Winters, Joshua Pepper, Karan Molaverdikhani, K. Cunha, Keivan G. Stassun, Kevin K. Hardegree-Ullman, Kimberly Scarangella Smith, Lokesh Mishra, Natalie R. Hinkel, Navya Nagananda, Noah Tuchow, Ravi Kopparapu, R. M. Elowitz, Sabine Reffert, Shawn D. Domagal-Goldman, Tabetha S. Boyajian, Tyler Richey-Yowell","cross_cats":["astro-ph.EP","astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-12-08T19:00:09Z","title":"Final Report for SAG 22: A Target Star Archive for Exoplanet Science"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.04517","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:bb7da33f0790e7d5d0c79bd0056cc0cde13d8d1e35c07c2209d0c5788c3a7f21","target":"record","created_at":"2026-07-05T03:39:20Z","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":"e5c2b9b028eed95e81301be3d355317fef0039e194e0be6a4b46fea351301f31","cross_cats_sorted":["astro-ph.EP","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-12-08T19:00:09Z","title_canon_sha256":"da30cd89d30a2f4b9b782c0e5c0cabb0ebf6ac9773b7981da854ba16b85e90e2"},"schema_version":"1.0","source":{"id":"2112.04517","kind":"arxiv","version":1}},"canonical_sha256":"5988e2fcde9c68d9f288465583bfb27f536b94d0d63a14bf4f2bb9a3870e0a3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5988e2fcde9c68d9f288465583bfb27f536b94d0d63a14bf4f2bb9a3870e0a3d","first_computed_at":"2026-07-05T03:39:20.332310Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:39:20.332310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5qcbmhlxIJwguEn8H3la6UWQ2eAlUjynJreYrhP04/1KljpskXSltS9mzhq8YjcA38jFxOs/4h1O7FHU9pf0Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T03:39:20.332711Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.04517","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb7da33f0790e7d5d0c79bd0056cc0cde13d8d1e35c07c2209d0c5788c3a7f21","sha256:8d4aa561bee92477e85da5d5655bc52e153f2d81d488d742b7cb261f747f1664"],"state_sha256":"501a6902b4505b236bb276efe2a4afeee5e08566825e1a3da36a4bd0dcb87efe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lRLk8QQ6S84UyhUp4LQ+GSmvTkHnIiOseZqUGiY0Tfott+4uSjaw6WDfGbUKHnJXkv+6hGQeR54MFpUrkMbfCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T12:39:28.133325Z","bundle_sha256":"befef054bb717615ff96603ea9642fa77b0f92ae61bd4fc2942430feb08fcbed"}}