{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZRXZXFPUOWFWRFTVEOUD4IFYOG","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":"dc612bb4898be3e75c19474bba20d54861ecc9ffdcbcfeeb9c7772d4ada53376","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-08-23T18:24:07Z","title_canon_sha256":"0162ef525b9eb553fbb5084fff95e88cbb0f92f0b287490beee4b504f9aa2757"},"schema_version":"1.0","source":{"id":"1808.07896","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.07896","created_at":"2026-05-18T00:07:23Z"},{"alias_kind":"arxiv_version","alias_value":"1808.07896v1","created_at":"2026-05-18T00:07:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.07896","created_at":"2026-05-18T00:07:23Z"},{"alias_kind":"pith_short_12","alias_value":"ZRXZXFPUOWFW","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZRXZXFPUOWFWRFTV","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZRXZXFPU","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:34192c8ac416bc385e96915ab05d03cb0631e4db81d72a2f20f883f45d856b1c","target":"graph","created_at":"2026-05-18T00:07:23Z","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 Simons Observatory (SO) will provide precision polarimetry of the cosmic microwave background (CMB) using a series of telescopes which will cover angular scales from arc-minutes to tens of degrees, contain over 60,000 detectors, and observe in frequency bands between 27 GHz and 270 GHz. SO will consist of a six-meter-aperture telescope initially coupled to ~35,000 detectors along with an array of 0.5m aperture refractive cameras, coupled to an additional 30,000+ detectors. The large aperture telescope receiver (LATR) is coupled to a six-meter crossed Dragone telescope and will be 2.4m in d","authors_text":"Aamir Ali, Andrew J. May, Brian Keating, Eve M.Vavagiakis, Gabriele Coppi, Giuseppe Puglisi, Grant Teply, Jack L. Orlowski-Scherer, Jeff McMahon, Lucio Piccirillo, Maria Salatino, Marius Longu, Mark J. Devlin, Michael D. Niemack, Michele Limon, Nicholas Galitzki, Ningfeng Zhu, Patricio A. Gallardo, Robert Thornton, Sara M. Simon, Simon Dicker, Zhilei Xu","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-08-23T18:24:07Z","title":"Cooldown Strategies and Transient Thermal Simulations for the Simons Observatory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.07896","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:f918b86c8031fa68461d63cafd35727b60db1f0ba210612e1408d5e41fc54786","target":"record","created_at":"2026-05-18T00:07:23Z","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":"dc612bb4898be3e75c19474bba20d54861ecc9ffdcbcfeeb9c7772d4ada53376","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-08-23T18:24:07Z","title_canon_sha256":"0162ef525b9eb553fbb5084fff95e88cbb0f92f0b287490beee4b504f9aa2757"},"schema_version":"1.0","source":{"id":"1808.07896","kind":"arxiv","version":1}},"canonical_sha256":"cc6f9b95f4758b68967523a83e20b87185369959345d62fd67d3b169d0cb56ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc6f9b95f4758b68967523a83e20b87185369959345d62fd67d3b169d0cb56ae","first_computed_at":"2026-05-18T00:07:23.064073Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:23.064073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4MivEZbBhLaTi6kNZjmMAgaJSzt33sJzu0xq5IY2sbpB4T2F1a9eOrs4WfCKNqOF5FGY5Qh4DwUXj2zojuZpAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:23.064543Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.07896","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f918b86c8031fa68461d63cafd35727b60db1f0ba210612e1408d5e41fc54786","sha256:34192c8ac416bc385e96915ab05d03cb0631e4db81d72a2f20f883f45d856b1c"],"state_sha256":"722c7009cb5b601c1f3880603ba01b8706559ed8a3ddc70e466ea84ce1d89158"}