{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:6ELV4DGULQAHRHVOFKB2P57J7A","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":"89f71e52f449324843cff744e54e027e3a8d514e55e08aed152d7761b4210a1c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-02-18T17:31:51Z","title_canon_sha256":"4b060102077aa824e5c64786c716a99f6f1c1cf0fc95afc599294ad58856ad59"},"schema_version":"1.0","source":{"id":"1802.06409","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.06409","created_at":"2026-05-18T00:08:43Z"},{"alias_kind":"arxiv_version","alias_value":"1802.06409v2","created_at":"2026-05-18T00:08:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.06409","created_at":"2026-05-18T00:08:43Z"},{"alias_kind":"pith_short_12","alias_value":"6ELV4DGULQAH","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"6ELV4DGULQAHRHVO","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"6ELV4DGU","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:42a26baef1d1efbca76644ed9f81d085c057add1fcfeca06d2db78683ed6d297","target":"graph","created_at":"2026-05-18T00:08:43Z","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"},"paper":{"abstract_excerpt":"The $K2$ Mission has photometrically monitored thousands of stars at high precision and cadence in a series of $\\sim$80-day campaigns focused on sections of the ecliptic plane. During its second campaign, $K2$ targeted over 1000 young stellar objects (YSOs) in the $\\sim$1-3 Myr $\\rho$ Ophiuchus and 5-10 Myr Upper Scorpius regions. From this set, we have carefully vetted photometry from {\\em WISE} and {\\em Spitzer} to identify those YSOs with infrared excess indicative of primordial circumstellar disks. We present here the resulting comprehensive sample of 288 young disk-bearing stars from B th","authors_text":"Ann Marie Cody, Lynne A. Hillenbrand","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-02-18T17:31:51Z","title":"The many-faceted light curves of young disk-bearing stars in Upper Sco and $\\rho$ Oph observed by $K2$ Campaign 2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.06409","kind":"arxiv","version":2},"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":"sha256:414ace1941a86c3a333b2b3938bd623c1cec90540f52988c200b650a1699b3c5","target":"record","created_at":"2026-05-18T00:08:43Z","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":"89f71e52f449324843cff744e54e027e3a8d514e55e08aed152d7761b4210a1c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-02-18T17:31:51Z","title_canon_sha256":"4b060102077aa824e5c64786c716a99f6f1c1cf0fc95afc599294ad58856ad59"},"schema_version":"1.0","source":{"id":"1802.06409","kind":"arxiv","version":2}},"canonical_sha256":"f1175e0cd45c00789eae2a83a7f7e9f837d5ceac3396909c554e39211cdfe240","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1175e0cd45c00789eae2a83a7f7e9f837d5ceac3396909c554e39211cdfe240","first_computed_at":"2026-05-18T00:08:43.299089Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:43.299089Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rRSlS6nKWT9j/bET7s2sp5xcu6z47LMdpJy/VezaZ67MT7d4Ah5O8TvbJ977OL8EzxpJ3QAEJHQ7W+Crcdw9DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:43.299684Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.06409","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:414ace1941a86c3a333b2b3938bd623c1cec90540f52988c200b650a1699b3c5","sha256:42a26baef1d1efbca76644ed9f81d085c057add1fcfeca06d2db78683ed6d297"],"state_sha256":"b77c7db90db1ce346570536dd1fc9aca74379a8ac7326e8c5402a9969c553844"}