{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:WFY3AU76K4YQTEX4HKBE3Y4VPG","short_pith_number":"pith:WFY3AU76","canonical_record":{"source":{"id":"2007.00497","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-07-01T13:54:29Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"fb0c4fb60e7c73253839d8896dd6f506c2d24e1d99042b08a9c19aa866d36a5c","abstract_canon_sha256":"9f5c2160a3a1e0b1e0a7e182361a6a42b9475e36a3e714b64ca7c34742333243"},"schema_version":"1.0"},"canonical_sha256":"b171b053fe57310992fc3a824de39579af539137d42544861156ad82d4cd5bf8","source":{"kind":"arxiv","id":"2007.00497","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.00497","created_at":"2026-07-05T01:32:09Z"},{"alias_kind":"arxiv_version","alias_value":"2007.00497v1","created_at":"2026-07-05T01:32:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.00497","created_at":"2026-07-05T01:32:09Z"},{"alias_kind":"pith_short_12","alias_value":"WFY3AU76K4YQ","created_at":"2026-07-05T01:32:09Z"},{"alias_kind":"pith_short_16","alias_value":"WFY3AU76K4YQTEX4","created_at":"2026-07-05T01:32:09Z"},{"alias_kind":"pith_short_8","alias_value":"WFY3AU76","created_at":"2026-07-05T01:32:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:WFY3AU76K4YQTEX4HKBE3Y4VPG","target":"record","payload":{"canonical_record":{"source":{"id":"2007.00497","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-07-01T13:54:29Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"fb0c4fb60e7c73253839d8896dd6f506c2d24e1d99042b08a9c19aa866d36a5c","abstract_canon_sha256":"9f5c2160a3a1e0b1e0a7e182361a6a42b9475e36a3e714b64ca7c34742333243"},"schema_version":"1.0"},"canonical_sha256":"b171b053fe57310992fc3a824de39579af539137d42544861156ad82d4cd5bf8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:32:09.832440Z","signature_b64":"LQ82mBIRqp/2y2PK63Ygv8DvMU50iac5RF+SIRXqRK4R6zFPnnXCkyhiP8pzTFwhOLbxBb1vSqQvOh70P5YfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b171b053fe57310992fc3a824de39579af539137d42544861156ad82d4cd5bf8","last_reissued_at":"2026-07-05T01:32:09.831986Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:32:09.831986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.00497","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":"2026-07-05T01:32:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"74vbaFNQCrW3VEsHFRA9JAHQXiOo3JaLl6Xuw09aAS4wrumn6UJkXh4iYBRuIqsNFIoh+6iojdtJqdnnfLHNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:30:36.220600Z"},"content_sha256":"5ac4455dd4db9d912b6d60d1c0f4624190ac4f0fe519acae023bd646a2b03e7a","schema_version":"1.0","event_id":"sha256:5ac4455dd4db9d912b6d60d1c0f4624190ac4f0fe519acae023bd646a2b03e7a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:WFY3AU76K4YQTEX4HKBE3Y4VPG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tess asteroseismology of the known planet host star $\\lambda^2$ Fornacis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"A.H.M.J. Triaud, A. Mazumdar, A. Serenelli, B. Mosser, D. Buzasi, E.P. Bellinger, G.R. Davies, I.W. Roxburgh, K.G. Stassun, L. Carboneau, L. Gonz\\'alez-Cuesta, M.B. Nielsen, M. Deal, M.R. Standing, M. Vrard, M. Y{\\i}ld{\\i}z, P. Ranadive, R.A. Garc\\'ia, S. Mathur, S. \\\"Ortel, S.R. Kane, T.L. Campante, W.H. Ball, W.J. Chaplin, Z. \\c{C}elik Orhan","submitted_at":"2020-07-01T13:54:29Z","abstract_excerpt":"The Transiting Exoplanet Survey Satellite (TESS) is observing bright known planet-host stars across almost the entire sky. These stars have been subject to extensive ground-based observations, providing a large number of radial velocity (RV) measurements. In this work we use the new TESS photometric observations to characterize the star $\\lambda^2$ Fornacis, and following this to update the parameters of the orbiting planet $\\lambda^2$ For b. We measure the p-mode oscillation frequencies in $\\lambda^2$ For, and in combination with non-seismic parameters estimate the stellar fundamental propert"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.00497","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/2007.00497/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":"2026-07-05T01:32:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WsmS8hlQpTufu/3u7zb9X6Zc8qTMqUBJxPLOnxiAbVOsmQ7X7m4BSUnp5nlf5WaBGWtdngsW7v8gWMX2JMauCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:30:36.220984Z"},"content_sha256":"7f8e8d923857cc70a449ddfa6d85821638bd0c638b7ea56da1acb8c6fed34ddb","schema_version":"1.0","event_id":"sha256:7f8e8d923857cc70a449ddfa6d85821638bd0c638b7ea56da1acb8c6fed34ddb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WFY3AU76K4YQTEX4HKBE3Y4VPG/bundle.json","state_url":"https://pith.science/pith/WFY3AU76K4YQTEX4HKBE3Y4VPG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WFY3AU76K4YQTEX4HKBE3Y4VPG/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":"2026-07-05T07:30:36Z","links":{"resolver":"https://pith.science/pith/WFY3AU76K4YQTEX4HKBE3Y4VPG","bundle":"https://pith.science/pith/WFY3AU76K4YQTEX4HKBE3Y4VPG/bundle.json","state":"https://pith.science/pith/WFY3AU76K4YQTEX4HKBE3Y4VPG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WFY3AU76K4YQTEX4HKBE3Y4VPG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:WFY3AU76K4YQTEX4HKBE3Y4VPG","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":"9f5c2160a3a1e0b1e0a7e182361a6a42b9475e36a3e714b64ca7c34742333243","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-07-01T13:54:29Z","title_canon_sha256":"fb0c4fb60e7c73253839d8896dd6f506c2d24e1d99042b08a9c19aa866d36a5c"},"schema_version":"1.0","source":{"id":"2007.00497","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.00497","created_at":"2026-07-05T01:32:09Z"},{"alias_kind":"arxiv_version","alias_value":"2007.00497v1","created_at":"2026-07-05T01:32:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.00497","created_at":"2026-07-05T01:32:09Z"},{"alias_kind":"pith_short_12","alias_value":"WFY3AU76K4YQ","created_at":"2026-07-05T01:32:09Z"},{"alias_kind":"pith_short_16","alias_value":"WFY3AU76K4YQTEX4","created_at":"2026-07-05T01:32:09Z"},{"alias_kind":"pith_short_8","alias_value":"WFY3AU76","created_at":"2026-07-05T01:32:09Z"}],"graph_snapshots":[{"event_id":"sha256:7f8e8d923857cc70a449ddfa6d85821638bd0c638b7ea56da1acb8c6fed34ddb","target":"graph","created_at":"2026-07-05T01:32:09Z","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/2007.00497/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Transiting Exoplanet Survey Satellite (TESS) is observing bright known planet-host stars across almost the entire sky. These stars have been subject to extensive ground-based observations, providing a large number of radial velocity (RV) measurements. In this work we use the new TESS photometric observations to characterize the star $\\lambda^2$ Fornacis, and following this to update the parameters of the orbiting planet $\\lambda^2$ For b. We measure the p-mode oscillation frequencies in $\\lambda^2$ For, and in combination with non-seismic parameters estimate the stellar fundamental propert","authors_text":"A.H.M.J. Triaud, A. Mazumdar, A. Serenelli, B. Mosser, D. Buzasi, E.P. Bellinger, G.R. Davies, I.W. Roxburgh, K.G. Stassun, L. Carboneau, L. Gonz\\'alez-Cuesta, M.B. Nielsen, M. Deal, M.R. Standing, M. Vrard, M. Y{\\i}ld{\\i}z, P. Ranadive, R.A. Garc\\'ia, S. Mathur, S. \\\"Ortel, S.R. Kane, T.L. Campante, W.H. Ball, W.J. Chaplin, Z. \\c{C}elik Orhan","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-07-01T13:54:29Z","title":"Tess asteroseismology of the known planet host star $\\lambda^2$ Fornacis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.00497","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":"sha256:5ac4455dd4db9d912b6d60d1c0f4624190ac4f0fe519acae023bd646a2b03e7a","target":"record","created_at":"2026-07-05T01:32:09Z","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":"9f5c2160a3a1e0b1e0a7e182361a6a42b9475e36a3e714b64ca7c34742333243","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-07-01T13:54:29Z","title_canon_sha256":"fb0c4fb60e7c73253839d8896dd6f506c2d24e1d99042b08a9c19aa866d36a5c"},"schema_version":"1.0","source":{"id":"2007.00497","kind":"arxiv","version":1}},"canonical_sha256":"b171b053fe57310992fc3a824de39579af539137d42544861156ad82d4cd5bf8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b171b053fe57310992fc3a824de39579af539137d42544861156ad82d4cd5bf8","first_computed_at":"2026-07-05T01:32:09.831986Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:32:09.831986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LQ82mBIRqp/2y2PK63Ygv8DvMU50iac5RF+SIRXqRK4R6zFPnnXCkyhiP8pzTFwhOLbxBb1vSqQvOh70P5YfCA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:32:09.832440Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.00497","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ac4455dd4db9d912b6d60d1c0f4624190ac4f0fe519acae023bd646a2b03e7a","sha256:7f8e8d923857cc70a449ddfa6d85821638bd0c638b7ea56da1acb8c6fed34ddb"],"state_sha256":"90b2563710374605aeedefb7fc51e21bee0c4ffe31a04bc48d8aed10c4727da4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NMEK7JLtpaweVIP10b64gP6GMve8B7xah+H69milUDgcTrTzADVzZE+TFtAYaBsQKZ7ZANy3/BiCk9fpiGOiCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T07:30:36.222971Z","bundle_sha256":"df02916e1196afaf45934289fd87e724c439569fe6a591eee71b3b067651035d"}}