{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:ZZDBMLV3742UMFVXC3D3SGOP2I","short_pith_number":"pith:ZZDBMLV3","schema_version":"1.0","canonical_sha256":"ce46162ebbff354616b716c7b919cfd2237de3f94074a48e992d048dfca51d00","source":{"kind":"arxiv","id":"0905.1209","version":1},"attestation_state":"computed","paper":{"title":"Fresnel Interferometric Imager: ground-based prototype","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Denis Serre, Laurent Koechlin, Paul Deba","submitted_at":"2009-05-08T13:45:30Z","abstract_excerpt":"The Fresnel Interferometric Imager is a space-based astronomical telescope project yielding milli-arc second angular resolution and high contrast images with loose manufacturing constraints. This optical concept involves diffractive focusing and formation flying: a first \"primary optics\" space module holds a large binary Fresnel Array, and a second \"focal module\" holds optical elements and focal instruments that allow for chromatic dispersion correction.\n  We have designed a reduced-size Fresnel Interferometric Imager prototype and made optical tests in our lab, in order to validate the concep"},"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":"0905.1209","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-05-08T13:45:30Z","cross_cats_sorted":[],"title_canon_sha256":"88ca75a53d2e9e5f20c33494f69c81fcfcbcd6c653c1762678f046aa5ca492ad","abstract_canon_sha256":"c2d3969c0f57fd7d0c4267f69f2c384a90730a98cda92b7c0cc751b158eeacf6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:46.472346Z","signature_b64":"hb6wEDX+xhE7dETmB9YnSo72DF428IM+d0Cwyl/YeelAaGhtmYB6aNFlkwSvfD+uyRjfwUEiS+S1D+8cLOX/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce46162ebbff354616b716c7b919cfd2237de3f94074a48e992d048dfca51d00","last_reissued_at":"2026-05-18T02:13:46.471542Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:46.471542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fresnel Interferometric Imager: ground-based prototype","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Denis Serre, Laurent Koechlin, Paul Deba","submitted_at":"2009-05-08T13:45:30Z","abstract_excerpt":"The Fresnel Interferometric Imager is a space-based astronomical telescope project yielding milli-arc second angular resolution and high contrast images with loose manufacturing constraints. This optical concept involves diffractive focusing and formation flying: a first \"primary optics\" space module holds a large binary Fresnel Array, and a second \"focal module\" holds optical elements and focal instruments that allow for chromatic dispersion correction.\n  We have designed a reduced-size Fresnel Interferometric Imager prototype and made optical tests in our lab, in order to validate the concep"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.1209","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":"0905.1209","created_at":"2026-05-18T02:13:46.471680+00:00"},{"alias_kind":"arxiv_version","alias_value":"0905.1209v1","created_at":"2026-05-18T02:13:46.471680+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.1209","created_at":"2026-05-18T02:13:46.471680+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZZDBMLV3742U","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZZDBMLV3742UMFVX","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZZDBMLV3","created_at":"2026-05-18T12:26:03.138858+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/ZZDBMLV3742UMFVXC3D3SGOP2I","json":"https://pith.science/pith/ZZDBMLV3742UMFVXC3D3SGOP2I.json","graph_json":"https://pith.science/api/pith-number/ZZDBMLV3742UMFVXC3D3SGOP2I/graph.json","events_json":"https://pith.science/api/pith-number/ZZDBMLV3742UMFVXC3D3SGOP2I/events.json","paper":"https://pith.science/paper/ZZDBMLV3"},"agent_actions":{"view_html":"https://pith.science/pith/ZZDBMLV3742UMFVXC3D3SGOP2I","download_json":"https://pith.science/pith/ZZDBMLV3742UMFVXC3D3SGOP2I.json","view_paper":"https://pith.science/paper/ZZDBMLV3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0905.1209&json=true","fetch_graph":"https://pith.science/api/pith-number/ZZDBMLV3742UMFVXC3D3SGOP2I/graph.json","fetch_events":"https://pith.science/api/pith-number/ZZDBMLV3742UMFVXC3D3SGOP2I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZZDBMLV3742UMFVXC3D3SGOP2I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZZDBMLV3742UMFVXC3D3SGOP2I/action/storage_attestation","attest_author":"https://pith.science/pith/ZZDBMLV3742UMFVXC3D3SGOP2I/action/author_attestation","sign_citation":"https://pith.science/pith/ZZDBMLV3742UMFVXC3D3SGOP2I/action/citation_signature","submit_replication":"https://pith.science/pith/ZZDBMLV3742UMFVXC3D3SGOP2I/action/replication_record"}},"created_at":"2026-05-18T02:13:46.471680+00:00","updated_at":"2026-05-18T02:13:46.471680+00:00"}