{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:I6ICR3H3FQF3DFJNJYNXBYJGBF","short_pith_number":"pith:I6ICR3H3","canonical_record":{"source":{"id":"2204.09014","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-04-19T17:25:46Z","cross_cats_sorted":[],"title_canon_sha256":"ea3969a4823dd7825a1f0fcee373bb71852495affd1459cbbc7b827d61118f25","abstract_canon_sha256":"81c56b152421eb039ee038bdb01febb2ee838dab596b8676b1365ca60f13a695"},"schema_version":"1.0"},"canonical_sha256":"479028ecfb2c0bb1952d4e1b70e1260946b79420c1b8cb4e11cc5d956c4a4203","source":{"kind":"arxiv","id":"2204.09014","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.09014","created_at":"2026-07-05T04:26:01Z"},{"alias_kind":"arxiv_version","alias_value":"2204.09014v1","created_at":"2026-07-05T04:26:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.09014","created_at":"2026-07-05T04:26:01Z"},{"alias_kind":"pith_short_12","alias_value":"I6ICR3H3FQF3","created_at":"2026-07-05T04:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"I6ICR3H3FQF3DFJN","created_at":"2026-07-05T04:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"I6ICR3H3","created_at":"2026-07-05T04:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:I6ICR3H3FQF3DFJNJYNXBYJGBF","target":"record","payload":{"canonical_record":{"source":{"id":"2204.09014","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-04-19T17:25:46Z","cross_cats_sorted":[],"title_canon_sha256":"ea3969a4823dd7825a1f0fcee373bb71852495affd1459cbbc7b827d61118f25","abstract_canon_sha256":"81c56b152421eb039ee038bdb01febb2ee838dab596b8676b1365ca60f13a695"},"schema_version":"1.0"},"canonical_sha256":"479028ecfb2c0bb1952d4e1b70e1260946b79420c1b8cb4e11cc5d956c4a4203","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:26:01.989057Z","signature_b64":"kAAM7vvgTMgQJ+3tkok5a8wi/QmGxvwywhEqUxB9uo9AfoANp6oi/w9+nwXcHGFN99MWb47Ik0oS/1gIR9MtBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"479028ecfb2c0bb1952d4e1b70e1260946b79420c1b8cb4e11cc5d956c4a4203","last_reissued_at":"2026-07-05T04:26:01.988563Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:26:01.988563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.09014","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":"2026-07-05T04:26:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NssuJCP+L/D6oaBaReOL56J4vthJ0Q6vqW2jxZDfgHrjbO9CpjVHMLmLK2/BQ/R/idfxON+hhSnmbfXPw1StBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:25:43.011507Z"},"content_sha256":"3ed463c53fe9dc16e55700cbef87384e8b282b201645bdd54288e93dd02a8f4d","schema_version":"1.0","event_id":"sha256:3ed463c53fe9dc16e55700cbef87384e8b282b201645bdd54288e93dd02a8f4d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:I6ICR3H3FQF3DFJNJYNXBYJGBF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Leveraging space-based data from the nearest Solar-type star to better understand stellar activity signatures in radial velocity data","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Abigail Burrows, Andrea S.J. Lin, Arpita Roy, Chad F. Bender, Federica Rescigno, Jennifer Burt, Neil Murphy, Raphaelle D. Haywood, Samuel Halverson, Suvrath Mahadevan, Tamar Ervin","submitted_at":"2022-04-19T17:25:46Z","abstract_excerpt":"Stellar variability is a key obstacle in reaching the sensitivity required to recover Earth-like exoplanetary signals using the radial velocity (RV) detection method. To explore activity signatures in Sun-like stars, we present SolAster, a publicly-distributed analysis pipeline that allows for comparison of space-based measurements with ground-based disk-integrated RVs. Using high spatial resolution Dopplergrams, magnetograms, and continuum filtergrams from the Helioseismic and Magnetic Imager (HMI) aboard the Solar Dynamics Observatory (SDO), we estimate 'Sun-as-a-star' disk-integrated RVs du"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.09014","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/2204.09014/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":"2026-07-05T04:26:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xeYNToWOQ3ferfgk2diYjwzHfeRvCIOFmUU5CQyGwBNP5gv62n2toi+tQ8/JOMGnTLb24ZW8UEBQguyuUSHtDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:25:43.011872Z"},"content_sha256":"989f203c5a23d9d51eeb9e685f21c9772626e136f60662ae4d64d1c4224b711d","schema_version":"1.0","event_id":"sha256:989f203c5a23d9d51eeb9e685f21c9772626e136f60662ae4d64d1c4224b711d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I6ICR3H3FQF3DFJNJYNXBYJGBF/bundle.json","state_url":"https://pith.science/pith/I6ICR3H3FQF3DFJNJYNXBYJGBF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I6ICR3H3FQF3DFJNJYNXBYJGBF/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":"2026-07-06T20:25:43Z","links":{"resolver":"https://pith.science/pith/I6ICR3H3FQF3DFJNJYNXBYJGBF","bundle":"https://pith.science/pith/I6ICR3H3FQF3DFJNJYNXBYJGBF/bundle.json","state":"https://pith.science/pith/I6ICR3H3FQF3DFJNJYNXBYJGBF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I6ICR3H3FQF3DFJNJYNXBYJGBF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:I6ICR3H3FQF3DFJNJYNXBYJGBF","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":"81c56b152421eb039ee038bdb01febb2ee838dab596b8676b1365ca60f13a695","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-04-19T17:25:46Z","title_canon_sha256":"ea3969a4823dd7825a1f0fcee373bb71852495affd1459cbbc7b827d61118f25"},"schema_version":"1.0","source":{"id":"2204.09014","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.09014","created_at":"2026-07-05T04:26:01Z"},{"alias_kind":"arxiv_version","alias_value":"2204.09014v1","created_at":"2026-07-05T04:26:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.09014","created_at":"2026-07-05T04:26:01Z"},{"alias_kind":"pith_short_12","alias_value":"I6ICR3H3FQF3","created_at":"2026-07-05T04:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"I6ICR3H3FQF3DFJN","created_at":"2026-07-05T04:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"I6ICR3H3","created_at":"2026-07-05T04:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:989f203c5a23d9d51eeb9e685f21c9772626e136f60662ae4d64d1c4224b711d","target":"graph","created_at":"2026-07-05T04:26:01Z","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/2204.09014/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Stellar variability is a key obstacle in reaching the sensitivity required to recover Earth-like exoplanetary signals using the radial velocity (RV) detection method. To explore activity signatures in Sun-like stars, we present SolAster, a publicly-distributed analysis pipeline that allows for comparison of space-based measurements with ground-based disk-integrated RVs. Using high spatial resolution Dopplergrams, magnetograms, and continuum filtergrams from the Helioseismic and Magnetic Imager (HMI) aboard the Solar Dynamics Observatory (SDO), we estimate 'Sun-as-a-star' disk-integrated RVs du","authors_text":"Abigail Burrows, Andrea S.J. Lin, Arpita Roy, Chad F. Bender, Federica Rescigno, Jennifer Burt, Neil Murphy, Raphaelle D. Haywood, Samuel Halverson, Suvrath Mahadevan, Tamar Ervin","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-04-19T17:25:46Z","title":"Leveraging space-based data from the nearest Solar-type star to better understand stellar activity signatures in radial velocity data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.09014","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":"sha256:3ed463c53fe9dc16e55700cbef87384e8b282b201645bdd54288e93dd02a8f4d","target":"record","created_at":"2026-07-05T04:26:01Z","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":"81c56b152421eb039ee038bdb01febb2ee838dab596b8676b1365ca60f13a695","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-04-19T17:25:46Z","title_canon_sha256":"ea3969a4823dd7825a1f0fcee373bb71852495affd1459cbbc7b827d61118f25"},"schema_version":"1.0","source":{"id":"2204.09014","kind":"arxiv","version":1}},"canonical_sha256":"479028ecfb2c0bb1952d4e1b70e1260946b79420c1b8cb4e11cc5d956c4a4203","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"479028ecfb2c0bb1952d4e1b70e1260946b79420c1b8cb4e11cc5d956c4a4203","first_computed_at":"2026-07-05T04:26:01.988563Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:26:01.988563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kAAM7vvgTMgQJ+3tkok5a8wi/QmGxvwywhEqUxB9uo9AfoANp6oi/w9+nwXcHGFN99MWb47Ik0oS/1gIR9MtBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:26:01.989057Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.09014","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ed463c53fe9dc16e55700cbef87384e8b282b201645bdd54288e93dd02a8f4d","sha256:989f203c5a23d9d51eeb9e685f21c9772626e136f60662ae4d64d1c4224b711d"],"state_sha256":"24750f5dff9463f3c025ec65e9dbd157b1c7ec34e307bfc5214f0d613c7bd47f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tpm7PGRc64FZWzRWaABI9ZrAwLbS49E9pMZVCyUaiGIVBwmwfwo1U3OYEIgTtznNC+h6a5GsA5D5INLTRNCxDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T20:25:43.013792Z","bundle_sha256":"2982f747bdfe641715aa47624b3817f7b9b95e5426779f9b5c894a38a270e15e"}}