{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:ZSSEQ6NA4L2RVBTW5DTTFELHCC","short_pith_number":"pith:ZSSEQ6NA","schema_version":"1.0","canonical_sha256":"cca44879a0e2f51a8676e8e732916710b9b15184fc6b92e8c4a098545b9ffaad","source":{"kind":"arxiv","id":"1706.08979","version":1},"attestation_state":"computed","paper":{"title":"An Improved Age-Activity Relationship for Cool Stars older than a Gigayear","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"C. A. Watson, K. Poppenhaeger, R. S. Booth, S. J. Wolk, V. Silva Aguirre","submitted_at":"2017-06-27T18:00:07Z","abstract_excerpt":"Stars with convective envelopes display magnetic activity, which decreases over time due to the magnetic braking of the star. This age-dependence of magnetic activity is well-studied for younger stars, but the nature of this dependence for older stars is not well understood. This is mainly because absolute stellar ages for older stars are hard to measure. However, relatively accurate stellar ages have recently come into reach through asteroseismology. In this work we present X-ray luminosities, which are a measure for magnetic activity displayed by the stellar coronae, for 24 stars with well-d"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1706.08979","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-06-27T18:00:07Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"3f471dba4e133c6ae4c87fb2155b894e021337d5a000a40214f3ffdcfc544737","abstract_canon_sha256":"802c67cd642757aa28d30face010098dc15e5b43c65dd5e1c0c4ea5bf2f95af9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:02.016652Z","signature_b64":"84Q2y+VKzS1tW+dkTSdtXOPsfUTtKgZWesKiyNWD5jNDHYwsexawYHBbiGPKmGFgem/feJlOddoAUuNU5sF0Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cca44879a0e2f51a8676e8e732916710b9b15184fc6b92e8c4a098545b9ffaad","last_reissued_at":"2026-05-18T00:38:02.016137Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:02.016137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Improved Age-Activity Relationship for Cool Stars older than a Gigayear","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"C. A. Watson, K. Poppenhaeger, R. S. Booth, S. J. Wolk, V. Silva Aguirre","submitted_at":"2017-06-27T18:00:07Z","abstract_excerpt":"Stars with convective envelopes display magnetic activity, which decreases over time due to the magnetic braking of the star. This age-dependence of magnetic activity is well-studied for younger stars, but the nature of this dependence for older stars is not well understood. This is mainly because absolute stellar ages for older stars are hard to measure. However, relatively accurate stellar ages have recently come into reach through asteroseismology. In this work we present X-ray luminosities, which are a measure for magnetic activity displayed by the stellar coronae, for 24 stars with well-d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.08979","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1706.08979","created_at":"2026-05-18T00:38:02.016211+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.08979v1","created_at":"2026-05-18T00:38:02.016211+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.08979","created_at":"2026-05-18T00:38:02.016211+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZSSEQ6NA4L2R","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZSSEQ6NA4L2RVBTW","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZSSEQ6NA","created_at":"2026-05-18T12:31:59.375834+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZSSEQ6NA4L2RVBTW5DTTFELHCC","json":"https://pith.science/pith/ZSSEQ6NA4L2RVBTW5DTTFELHCC.json","graph_json":"https://pith.science/api/pith-number/ZSSEQ6NA4L2RVBTW5DTTFELHCC/graph.json","events_json":"https://pith.science/api/pith-number/ZSSEQ6NA4L2RVBTW5DTTFELHCC/events.json","paper":"https://pith.science/paper/ZSSEQ6NA"},"agent_actions":{"view_html":"https://pith.science/pith/ZSSEQ6NA4L2RVBTW5DTTFELHCC","download_json":"https://pith.science/pith/ZSSEQ6NA4L2RVBTW5DTTFELHCC.json","view_paper":"https://pith.science/paper/ZSSEQ6NA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.08979&json=true","fetch_graph":"https://pith.science/api/pith-number/ZSSEQ6NA4L2RVBTW5DTTFELHCC/graph.json","fetch_events":"https://pith.science/api/pith-number/ZSSEQ6NA4L2RVBTW5DTTFELHCC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZSSEQ6NA4L2RVBTW5DTTFELHCC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZSSEQ6NA4L2RVBTW5DTTFELHCC/action/storage_attestation","attest_author":"https://pith.science/pith/ZSSEQ6NA4L2RVBTW5DTTFELHCC/action/author_attestation","sign_citation":"https://pith.science/pith/ZSSEQ6NA4L2RVBTW5DTTFELHCC/action/citation_signature","submit_replication":"https://pith.science/pith/ZSSEQ6NA4L2RVBTW5DTTFELHCC/action/replication_record"}},"created_at":"2026-05-18T00:38:02.016211+00:00","updated_at":"2026-05-18T00:38:02.016211+00:00"}