{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:WEIRRZ347BHO32VRA5KIOCRFKP","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":"4b2527c8926744b05cd5586da55aa5611243e16f52a68433687edfcf2c6d3c4e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-09-29T10:07:31Z","title_canon_sha256":"76981fb33bd964a2f96cde99a5e5deed6fc1c5b5d311b556ca502f8c18fde00f"},"schema_version":"1.0","source":{"id":"1009.5828","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.5828","created_at":"2026-05-18T04:40:08Z"},{"alias_kind":"arxiv_version","alias_value":"1009.5828v1","created_at":"2026-05-18T04:40:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5828","created_at":"2026-05-18T04:40:08Z"},{"alias_kind":"pith_short_12","alias_value":"WEIRRZ347BHO","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"WEIRRZ347BHO32VR","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"WEIRRZ34","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:fff3c26bcc11a773bd8af17379ab8145fbbdcd95c0da28f84cf9ba6872e23921","target":"graph","created_at":"2026-05-18T04:40:08Z","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":"Kilometric-scale optical imagers seem feasible to realize by intensity interferometry, using telescopes primarily erected for measuring Cherenkov light induced by gamma rays. Planned arrays envision 50--100 telescopes, distributed over some 1--4 km$^2$. Although array layouts and telescope sizes will primarily be chosen for gamma-ray observations, also their interferometric performance may be optimized. Observations of stellar objects were numerically simulated for different array geometries, yielding signal-to-noise ratios for different Fourier components of the source images in the interfero","authors_text":"Dainis Dravins, Hannes Jensen, Paul D. Nu\\~nez, Stephan LeBohec","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-09-29T10:07:31Z","title":"Stellar intensity interferometry: Optimizing air Cherenkov telescope array layouts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5828","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:fef258a6b343338c24b00585019eefbedb7fad4ce6ebc732ae12c5870634bc26","target":"record","created_at":"2026-05-18T04:40:08Z","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":"4b2527c8926744b05cd5586da55aa5611243e16f52a68433687edfcf2c6d3c4e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2010-09-29T10:07:31Z","title_canon_sha256":"76981fb33bd964a2f96cde99a5e5deed6fc1c5b5d311b556ca502f8c18fde00f"},"schema_version":"1.0","source":{"id":"1009.5828","kind":"arxiv","version":1}},"canonical_sha256":"b11118e77cf84eedeab10754870a2553d39c329b349a86e2c21315cb35efd93d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b11118e77cf84eedeab10754870a2553d39c329b349a86e2c21315cb35efd93d","first_computed_at":"2026-05-18T04:40:08.815438Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:40:08.815438Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S+9Rc8E4rzHDzruMkYDRhsvQV3l3xmKyujRDfgLpjrUcAxG29aLmLXhK1UsuM9lUV8WcPxOX+hQXDbVscIZFCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:40:08.815875Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.5828","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fef258a6b343338c24b00585019eefbedb7fad4ce6ebc732ae12c5870634bc26","sha256:fff3c26bcc11a773bd8af17379ab8145fbbdcd95c0da28f84cf9ba6872e23921"],"state_sha256":"33014ccce28dde920d3ed95e0d78847786ee9b4d68efdc31872ad5cb6f51cd20"}