{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:C3ZAPQKDKSTEQRKUEK3HN2PPG4","short_pith_number":"pith:C3ZAPQKD","schema_version":"1.0","canonical_sha256":"16f207c14354a648455422b676e9ef370d71b06353087a76deccbb211fe428f1","source":{"kind":"arxiv","id":"astro-ph/0304104","version":1},"attestation_state":"computed","paper":{"title":"Nanoengineered Astronomical Optics","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.M. Ritcey, E.F. Borra, H. Yockell-Lelievre, J. Gingras, L. da Silva, M. Dallaire, P. Laird, R. Bergamasco","submitted_at":"2003-04-05T23:01:41Z","abstract_excerpt":"We describe a technology for the fabrication of inexpensive and versatile mirrors through the use of a new type of nanoengineered optical material composed by the spreading of a self-assembling reflective colloidal film spread at the surface of a liquid. These new reflecting liquids offer interesting possibilities for astronomical instrumentation. For example, they can replace mercury in conventional rotating liquid mirrors. The main advantages offered include extremely low cost and, by coating a viscous liquid, the possibility of tilting the mirror by a few tens of degrees. We also have coate"},"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":"astro-ph/0304104","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-05T23:01:41Z","cross_cats_sorted":[],"title_canon_sha256":"0b25721476d9b8ad8382d110d944d1fa553a79bce2d3c78a6112eb6cc62c8022","abstract_canon_sha256":"6707b6e8f87cd83d57b467ba12a02db949c742dfbf8bde55fb2496a75a8b194c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:36:48.326000Z","signature_b64":"NU50MeYXo+GF5pdJpddT0hsxxi7sK2bfcMC8GHpeoJ+6+zbM5mqwOknJMZAeN+/n4uXlCyZ8SSCEaK7oamiWAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16f207c14354a648455422b676e9ef370d71b06353087a76deccbb211fe428f1","last_reissued_at":"2026-07-04T16:36:48.325575Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:36:48.325575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nanoengineered Astronomical Optics","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.M. Ritcey, E.F. Borra, H. Yockell-Lelievre, J. Gingras, L. da Silva, M. Dallaire, P. Laird, R. Bergamasco","submitted_at":"2003-04-05T23:01:41Z","abstract_excerpt":"We describe a technology for the fabrication of inexpensive and versatile mirrors through the use of a new type of nanoengineered optical material composed by the spreading of a self-assembling reflective colloidal film spread at the surface of a liquid. These new reflecting liquids offer interesting possibilities for astronomical instrumentation. For example, they can replace mercury in conventional rotating liquid mirrors. The main advantages offered include extremely low cost and, by coating a viscous liquid, the possibility of tilting the mirror by a few tens of degrees. We also have coate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0304104","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0304104/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":"astro-ph/0304104","created_at":"2026-07-04T16:36:48.325635+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0304104v1","created_at":"2026-07-04T16:36:48.325635+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0304104","created_at":"2026-07-04T16:36:48.325635+00:00"},{"alias_kind":"pith_short_12","alias_value":"C3ZAPQKDKSTE","created_at":"2026-07-04T16:36:48.325635+00:00"},{"alias_kind":"pith_short_16","alias_value":"C3ZAPQKDKSTEQRKU","created_at":"2026-07-04T16:36:48.325635+00:00"},{"alias_kind":"pith_short_8","alias_value":"C3ZAPQKD","created_at":"2026-07-04T16:36:48.325635+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/C3ZAPQKDKSTEQRKUEK3HN2PPG4","json":"https://pith.science/pith/C3ZAPQKDKSTEQRKUEK3HN2PPG4.json","graph_json":"https://pith.science/api/pith-number/C3ZAPQKDKSTEQRKUEK3HN2PPG4/graph.json","events_json":"https://pith.science/api/pith-number/C3ZAPQKDKSTEQRKUEK3HN2PPG4/events.json","paper":"https://pith.science/paper/C3ZAPQKD"},"agent_actions":{"view_html":"https://pith.science/pith/C3ZAPQKDKSTEQRKUEK3HN2PPG4","download_json":"https://pith.science/pith/C3ZAPQKDKSTEQRKUEK3HN2PPG4.json","view_paper":"https://pith.science/paper/C3ZAPQKD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0304104&json=true","fetch_graph":"https://pith.science/api/pith-number/C3ZAPQKDKSTEQRKUEK3HN2PPG4/graph.json","fetch_events":"https://pith.science/api/pith-number/C3ZAPQKDKSTEQRKUEK3HN2PPG4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C3ZAPQKDKSTEQRKUEK3HN2PPG4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C3ZAPQKDKSTEQRKUEK3HN2PPG4/action/storage_attestation","attest_author":"https://pith.science/pith/C3ZAPQKDKSTEQRKUEK3HN2PPG4/action/author_attestation","sign_citation":"https://pith.science/pith/C3ZAPQKDKSTEQRKUEK3HN2PPG4/action/citation_signature","submit_replication":"https://pith.science/pith/C3ZAPQKDKSTEQRKUEK3HN2PPG4/action/replication_record"}},"created_at":"2026-07-04T16:36:48.325635+00:00","updated_at":"2026-07-04T16:36:48.325635+00:00"}