{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:4EKS56EB7SB4JO6D3OFGY5NW5G","short_pith_number":"pith:4EKS56EB","schema_version":"1.0","canonical_sha256":"e1152ef881fc83c4bbc3db8a6c75b6e98e0efc9c6c10075b44ac1b4485fb853c","source":{"kind":"arxiv","id":"2105.03436","version":1},"attestation_state":"computed","paper":{"title":"The Weizmann Fast Astronomical Survey Telescope (W-FAST): System Overview","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Avishay Gal-Yam, Barak Zackay, David Polishook, Eran O. Ofek, Guy Nir, Ilan Manulis, Noam Segev, Ofer Yaron, Ofir Hershko, Oz Diner, Sagi Ben-Ami","submitted_at":"2021-05-07T18:00:02Z","abstract_excerpt":"A relatively unexplored phase space of transients and stellar variability is that of second and sub-second time-scales. We describe a new optical observatory operating in the Negev desert in Israel, with a 55 cm aperture, a field of view of 2.6x2.6 deg (~7deg^2) equipped with a high frame rate, low read noise, CMOS camera. The system can observe at a frame rate of up to 90HZ (full frame), while nominally observations are conducted at 10-25Hz. The data, generated at a rate of over 6Gbits/s at a frame rate of 25Hz, are analyzed in real time. The observatory is fully robotic and capable of autono"},"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":"2105.03436","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-05-07T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"55fd5a03145f3b970dfd6dc2d5f579b07188f1856fc56fcf92f8235977565e05","abstract_canon_sha256":"e577edea9ddbc03aadccee9c4cb00c9f27ea09291b93a61d3888b29b2b8accf0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:59:20.359417Z","signature_b64":"UvY4Aggemuw3vSIw76Rqp0XakTqc961vAPjppUfGIkA/O7++5ZpTxA8pqbkNdhDCNwWc8trYnZnmL2xwhjfgDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e1152ef881fc83c4bbc3db8a6c75b6e98e0efc9c6c10075b44ac1b4485fb853c","last_reissued_at":"2026-07-05T02:59:20.358936Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:59:20.358936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Weizmann Fast Astronomical Survey Telescope (W-FAST): System Overview","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Avishay Gal-Yam, Barak Zackay, David Polishook, Eran O. Ofek, Guy Nir, Ilan Manulis, Noam Segev, Ofer Yaron, Ofir Hershko, Oz Diner, Sagi Ben-Ami","submitted_at":"2021-05-07T18:00:02Z","abstract_excerpt":"A relatively unexplored phase space of transients and stellar variability is that of second and sub-second time-scales. We describe a new optical observatory operating in the Negev desert in Israel, with a 55 cm aperture, a field of view of 2.6x2.6 deg (~7deg^2) equipped with a high frame rate, low read noise, CMOS camera. The system can observe at a frame rate of up to 90HZ (full frame), while nominally observations are conducted at 10-25Hz. The data, generated at a rate of over 6Gbits/s at a frame rate of 25Hz, are analyzed in real time. The observatory is fully robotic and capable of autono"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.03436","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/2105.03436/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":"2105.03436","created_at":"2026-07-05T02:59:20.358989+00:00"},{"alias_kind":"arxiv_version","alias_value":"2105.03436v1","created_at":"2026-07-05T02:59:20.358989+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.03436","created_at":"2026-07-05T02:59:20.358989+00:00"},{"alias_kind":"pith_short_12","alias_value":"4EKS56EB7SB4","created_at":"2026-07-05T02:59:20.358989+00:00"},{"alias_kind":"pith_short_16","alias_value":"4EKS56EB7SB4JO6D","created_at":"2026-07-05T02:59:20.358989+00:00"},{"alias_kind":"pith_short_8","alias_value":"4EKS56EB","created_at":"2026-07-05T02:59:20.358989+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/4EKS56EB7SB4JO6D3OFGY5NW5G","json":"https://pith.science/pith/4EKS56EB7SB4JO6D3OFGY5NW5G.json","graph_json":"https://pith.science/api/pith-number/4EKS56EB7SB4JO6D3OFGY5NW5G/graph.json","events_json":"https://pith.science/api/pith-number/4EKS56EB7SB4JO6D3OFGY5NW5G/events.json","paper":"https://pith.science/paper/4EKS56EB"},"agent_actions":{"view_html":"https://pith.science/pith/4EKS56EB7SB4JO6D3OFGY5NW5G","download_json":"https://pith.science/pith/4EKS56EB7SB4JO6D3OFGY5NW5G.json","view_paper":"https://pith.science/paper/4EKS56EB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2105.03436&json=true","fetch_graph":"https://pith.science/api/pith-number/4EKS56EB7SB4JO6D3OFGY5NW5G/graph.json","fetch_events":"https://pith.science/api/pith-number/4EKS56EB7SB4JO6D3OFGY5NW5G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4EKS56EB7SB4JO6D3OFGY5NW5G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4EKS56EB7SB4JO6D3OFGY5NW5G/action/storage_attestation","attest_author":"https://pith.science/pith/4EKS56EB7SB4JO6D3OFGY5NW5G/action/author_attestation","sign_citation":"https://pith.science/pith/4EKS56EB7SB4JO6D3OFGY5NW5G/action/citation_signature","submit_replication":"https://pith.science/pith/4EKS56EB7SB4JO6D3OFGY5NW5G/action/replication_record"}},"created_at":"2026-07-05T02:59:20.358989+00:00","updated_at":"2026-07-05T02:59:20.358989+00:00"}