{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:QW5QVDNM7CLROH7VZXHBGFFFUB","short_pith_number":"pith:QW5QVDNM","schema_version":"1.0","canonical_sha256":"85bb0a8dacf897171ff5cdce1314a5a049e7d434d596eabdf06d5e5b7ba0fb68","source":{"kind":"arxiv","id":"1105.0997","version":1},"attestation_state":"computed","paper":{"title":"Grisms Developed for FOCAS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Akiko Yamada, Kashiko Kodate, Keiko Oka, Koji S. Kawabata, Masako Kashiwagi, Masanori Iye, Noboru Ebizuka, Nobunari Kashikawa, Takashi Hattori","submitted_at":"2011-05-05T07:01:06Z","abstract_excerpt":"Faint Object Camera and Spectrograph (FOCAS) is a versatile common-use optical instrument for the 8.2m Subaru Telescope, offering imaging and spectroscopic observations. FOCAS employs grisms with resolving powers ranging from 280 to 8200 as dispersive optical elements. A grism is a direct-vision grating composed of a transmission grating and prism(s). FOCAS has five grisms with replica surface-relief gratings including an echelle-type grism, and eight grisms with volume-phase holographic (VPH) gratings. The size of these grisms is 110 mm X 106 mm in aperture with a maximum thickness of 110 mm."},"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":"1105.0997","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-05-05T07:01:06Z","cross_cats_sorted":[],"title_canon_sha256":"133514e0b50ff9d8b77cd998731295ae66d2c9445f527956832e66c6a08cbbbf","abstract_canon_sha256":"91ecba8958601efa3275a7aa3be0bdaf941284f39b70359c942230227b46a0a8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:04.059179Z","signature_b64":"29ChrjSoP4aLTWasiiufsAUX+QNRWd/kWZaQkeMbsIovC3RfnFeLc/6FdqU3W17gqvCMMO+W17Sxe3xkTwF7Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85bb0a8dacf897171ff5cdce1314a5a049e7d434d596eabdf06d5e5b7ba0fb68","last_reissued_at":"2026-05-18T02:02:04.058407Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:04.058407Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Grisms Developed for FOCAS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Akiko Yamada, Kashiko Kodate, Keiko Oka, Koji S. Kawabata, Masako Kashiwagi, Masanori Iye, Noboru Ebizuka, Nobunari Kashikawa, Takashi Hattori","submitted_at":"2011-05-05T07:01:06Z","abstract_excerpt":"Faint Object Camera and Spectrograph (FOCAS) is a versatile common-use optical instrument for the 8.2m Subaru Telescope, offering imaging and spectroscopic observations. FOCAS employs grisms with resolving powers ranging from 280 to 8200 as dispersive optical elements. A grism is a direct-vision grating composed of a transmission grating and prism(s). FOCAS has five grisms with replica surface-relief gratings including an echelle-type grism, and eight grisms with volume-phase holographic (VPH) gratings. The size of these grisms is 110 mm X 106 mm in aperture with a maximum thickness of 110 mm."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.0997","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":"1105.0997","created_at":"2026-05-18T02:02:04.058533+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.0997v1","created_at":"2026-05-18T02:02:04.058533+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.0997","created_at":"2026-05-18T02:02:04.058533+00:00"},{"alias_kind":"pith_short_12","alias_value":"QW5QVDNM7CLR","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_16","alias_value":"QW5QVDNM7CLROH7V","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_8","alias_value":"QW5QVDNM","created_at":"2026-05-18T12:26:39.201973+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/QW5QVDNM7CLROH7VZXHBGFFFUB","json":"https://pith.science/pith/QW5QVDNM7CLROH7VZXHBGFFFUB.json","graph_json":"https://pith.science/api/pith-number/QW5QVDNM7CLROH7VZXHBGFFFUB/graph.json","events_json":"https://pith.science/api/pith-number/QW5QVDNM7CLROH7VZXHBGFFFUB/events.json","paper":"https://pith.science/paper/QW5QVDNM"},"agent_actions":{"view_html":"https://pith.science/pith/QW5QVDNM7CLROH7VZXHBGFFFUB","download_json":"https://pith.science/pith/QW5QVDNM7CLROH7VZXHBGFFFUB.json","view_paper":"https://pith.science/paper/QW5QVDNM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.0997&json=true","fetch_graph":"https://pith.science/api/pith-number/QW5QVDNM7CLROH7VZXHBGFFFUB/graph.json","fetch_events":"https://pith.science/api/pith-number/QW5QVDNM7CLROH7VZXHBGFFFUB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QW5QVDNM7CLROH7VZXHBGFFFUB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QW5QVDNM7CLROH7VZXHBGFFFUB/action/storage_attestation","attest_author":"https://pith.science/pith/QW5QVDNM7CLROH7VZXHBGFFFUB/action/author_attestation","sign_citation":"https://pith.science/pith/QW5QVDNM7CLROH7VZXHBGFFFUB/action/citation_signature","submit_replication":"https://pith.science/pith/QW5QVDNM7CLROH7VZXHBGFFFUB/action/replication_record"}},"created_at":"2026-05-18T02:02:04.058533+00:00","updated_at":"2026-05-18T02:02:04.058533+00:00"}