{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:XJJGV6VHJ43XSPTFYHMSMI5AEE","short_pith_number":"pith:XJJGV6VH","schema_version":"1.0","canonical_sha256":"ba526afaa74f37793e65c1d92623a021051672b79b88f15e35ed9fceead3e639","source":{"kind":"arxiv","id":"2301.10858","version":2},"attestation_state":"computed","paper":{"title":"The Benchmark M Dwarf Eclipsing Binary CM Draconis With TESS: Spots, Flares and Ultra-Precise Parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"David V. Martin, Emily A. Gilbert, Gregory J. Gilbert, Ritika Sethi, Romy Rodriguez Martinez, Tayt Armitage","submitted_at":"2023-01-25T22:33:23Z","abstract_excerpt":"A gold standard for the study of M dwarfs is the eclipsing binary CM Draconis. It is rare because it is bright ($J_{\\rm mag}=8.5$) and contains twin fully convective stars on an almost perfectly edge-on orbit. Both masses and radii were previously measured to better than $1\\%$ precision, amongst the best known. We use 15 sectors of data from the Transiting Exoplanet Survey Satellite (TESS) to show that CM Draconis is the gift that keeps on giving. Our paper has three main components. First, we present updated parameters, with radii and masses constrained to previously unheard of precisions of "},"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":"2301.10858","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-01-25T22:33:23Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"7d07062ef5d547f5713a62b4e0535e3c19fd66e4a04e94adfe3c57f8867f723a","abstract_canon_sha256":"d6d2c69e93863b3540141ed9e6733f156d67de7b34ad031b6ecdcdfed94eb814"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:32:16.671223Z","signature_b64":"KRfm5HRE1qtwQq7HGoLB0OP7Nw/T4i6iwfxin57CuX7OTGATXrZWxju7aYoQ4kAn0rUPZspATTkY8WDR8bnnBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba526afaa74f37793e65c1d92623a021051672b79b88f15e35ed9fceead3e639","last_reissued_at":"2026-07-05T07:32:16.670711Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:32:16.670711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Benchmark M Dwarf Eclipsing Binary CM Draconis With TESS: Spots, Flares and Ultra-Precise Parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"David V. Martin, Emily A. Gilbert, Gregory J. Gilbert, Ritika Sethi, Romy Rodriguez Martinez, Tayt Armitage","submitted_at":"2023-01-25T22:33:23Z","abstract_excerpt":"A gold standard for the study of M dwarfs is the eclipsing binary CM Draconis. It is rare because it is bright ($J_{\\rm mag}=8.5$) and contains twin fully convective stars on an almost perfectly edge-on orbit. Both masses and radii were previously measured to better than $1\\%$ precision, amongst the best known. We use 15 sectors of data from the Transiting Exoplanet Survey Satellite (TESS) to show that CM Draconis is the gift that keeps on giving. Our paper has three main components. First, we present updated parameters, with radii and masses constrained to previously unheard of precisions of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.10858","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/2301.10858/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2301.10858","created_at":"2026-07-05T07:32:16.670767+00:00"},{"alias_kind":"arxiv_version","alias_value":"2301.10858v2","created_at":"2026-07-05T07:32:16.670767+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.10858","created_at":"2026-07-05T07:32:16.670767+00:00"},{"alias_kind":"pith_short_12","alias_value":"XJJGV6VHJ43X","created_at":"2026-07-05T07:32:16.670767+00:00"},{"alias_kind":"pith_short_16","alias_value":"XJJGV6VHJ43XSPTF","created_at":"2026-07-05T07:32:16.670767+00:00"},{"alias_kind":"pith_short_8","alias_value":"XJJGV6VH","created_at":"2026-07-05T07:32:16.670767+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.04866","citing_title":"Identifying Flare Locations Through Exoplanet Transit Occultations","ref_index":36,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XJJGV6VHJ43XSPTFYHMSMI5AEE","json":"https://pith.science/pith/XJJGV6VHJ43XSPTFYHMSMI5AEE.json","graph_json":"https://pith.science/api/pith-number/XJJGV6VHJ43XSPTFYHMSMI5AEE/graph.json","events_json":"https://pith.science/api/pith-number/XJJGV6VHJ43XSPTFYHMSMI5AEE/events.json","paper":"https://pith.science/paper/XJJGV6VH"},"agent_actions":{"view_html":"https://pith.science/pith/XJJGV6VHJ43XSPTFYHMSMI5AEE","download_json":"https://pith.science/pith/XJJGV6VHJ43XSPTFYHMSMI5AEE.json","view_paper":"https://pith.science/paper/XJJGV6VH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2301.10858&json=true","fetch_graph":"https://pith.science/api/pith-number/XJJGV6VHJ43XSPTFYHMSMI5AEE/graph.json","fetch_events":"https://pith.science/api/pith-number/XJJGV6VHJ43XSPTFYHMSMI5AEE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XJJGV6VHJ43XSPTFYHMSMI5AEE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XJJGV6VHJ43XSPTFYHMSMI5AEE/action/storage_attestation","attest_author":"https://pith.science/pith/XJJGV6VHJ43XSPTFYHMSMI5AEE/action/author_attestation","sign_citation":"https://pith.science/pith/XJJGV6VHJ43XSPTFYHMSMI5AEE/action/citation_signature","submit_replication":"https://pith.science/pith/XJJGV6VHJ43XSPTFYHMSMI5AEE/action/replication_record"}},"created_at":"2026-07-05T07:32:16.670767+00:00","updated_at":"2026-07-05T07:32:16.670767+00:00"}