{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:JLNDHJIG2WYRWYO6WNZS4XVPBA","short_pith_number":"pith:JLNDHJIG","schema_version":"1.0","canonical_sha256":"4ada33a506d5b11b61deb3732e5eaf080414a1dd81efe07b9d26d94627922cda","source":{"kind":"arxiv","id":"0704.2557","version":1},"attestation_state":"computed","paper":{"title":"ULTRACAM: an ultra-fast, triple-beam CCD camera for high-speed astrophysics","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. J. A. Vick, C. J. Tierney, D. C. Atkinson, D. J. Ives, D. W. Lunney, E. T. Harlaftis, J. Kelly, K. O'Brien, M. J. Stevenson, P. Kerry, P. T. Peacocke, R. Nicholson, R. Pashley, S. A. McLay, S. M. Beard, S. P. Littlefair, T. R. Marsh, V. S. Dhillon","submitted_at":"2007-04-19T15:15:48Z","abstract_excerpt":"ULTRACAM is a portable, high-speed imaging photometer designed to study faint astronomical objects at high temporal resolutions. ULTRACAM employs two dichroic beamsplitters and three frame-transfer CCD cameras to provide three-colour optical imaging at frame rates of up to 500 Hz. The instrument has been mounted on both the 4.2-m William Herschel Telescope on La Palma and the 8.2-m Very Large Telescope in Chile, and has been used to study white dwarfs, brown dwarfs, pulsars, black-hole/neutron-star X-ray binaries, gamma-ray bursts, cataclysmic variables, eclipsing binary stars, extrasolar plan"},"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":"0704.2557","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-04-19T15:15:48Z","cross_cats_sorted":[],"title_canon_sha256":"e82e0a2f6391bba0b3b4ad00b716072e132fcb6411745efe163f3778fc2e0ed0","abstract_canon_sha256":"280cc81371e7e07d724a58a41b500c9959529ee7f1d2efd07c3faf6d05a9001f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:44:15.487756Z","signature_b64":"aQYrCgOJLIqVytMpjCtLoOLdUFqPdXuKXSfkcVWcn5p879dFxyO7H/Ut/gEkPwDokHun3Gp2htBT+enIbveLCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ada33a506d5b11b61deb3732e5eaf080414a1dd81efe07b9d26d94627922cda","last_reissued_at":"2026-07-04T15:44:15.487260Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:44:15.487260Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ULTRACAM: an ultra-fast, triple-beam CCD camera for high-speed astrophysics","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. J. A. Vick, C. J. Tierney, D. C. Atkinson, D. J. Ives, D. W. Lunney, E. T. Harlaftis, J. Kelly, K. O'Brien, M. J. Stevenson, P. Kerry, P. T. Peacocke, R. Nicholson, R. Pashley, S. A. McLay, S. M. Beard, S. P. Littlefair, T. R. Marsh, V. S. Dhillon","submitted_at":"2007-04-19T15:15:48Z","abstract_excerpt":"ULTRACAM is a portable, high-speed imaging photometer designed to study faint astronomical objects at high temporal resolutions. ULTRACAM employs two dichroic beamsplitters and three frame-transfer CCD cameras to provide three-colour optical imaging at frame rates of up to 500 Hz. The instrument has been mounted on both the 4.2-m William Herschel Telescope on La Palma and the 8.2-m Very Large Telescope in Chile, and has been used to study white dwarfs, brown dwarfs, pulsars, black-hole/neutron-star X-ray binaries, gamma-ray bursts, cataclysmic variables, eclipsing binary stars, extrasolar plan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0704.2557","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/0704.2557/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":"0704.2557","created_at":"2026-07-04T15:44:15.487324+00:00"},{"alias_kind":"arxiv_version","alias_value":"0704.2557v1","created_at":"2026-07-04T15:44:15.487324+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0704.2557","created_at":"2026-07-04T15:44:15.487324+00:00"},{"alias_kind":"pith_short_12","alias_value":"JLNDHJIG2WYR","created_at":"2026-07-04T15:44:15.487324+00:00"},{"alias_kind":"pith_short_16","alias_value":"JLNDHJIG2WYRWYO6","created_at":"2026-07-04T15:44:15.487324+00:00"},{"alias_kind":"pith_short_8","alias_value":"JLNDHJIG","created_at":"2026-07-04T15:44:15.487324+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/JLNDHJIG2WYRWYO6WNZS4XVPBA","json":"https://pith.science/pith/JLNDHJIG2WYRWYO6WNZS4XVPBA.json","graph_json":"https://pith.science/api/pith-number/JLNDHJIG2WYRWYO6WNZS4XVPBA/graph.json","events_json":"https://pith.science/api/pith-number/JLNDHJIG2WYRWYO6WNZS4XVPBA/events.json","paper":"https://pith.science/paper/JLNDHJIG"},"agent_actions":{"view_html":"https://pith.science/pith/JLNDHJIG2WYRWYO6WNZS4XVPBA","download_json":"https://pith.science/pith/JLNDHJIG2WYRWYO6WNZS4XVPBA.json","view_paper":"https://pith.science/paper/JLNDHJIG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0704.2557&json=true","fetch_graph":"https://pith.science/api/pith-number/JLNDHJIG2WYRWYO6WNZS4XVPBA/graph.json","fetch_events":"https://pith.science/api/pith-number/JLNDHJIG2WYRWYO6WNZS4XVPBA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JLNDHJIG2WYRWYO6WNZS4XVPBA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JLNDHJIG2WYRWYO6WNZS4XVPBA/action/storage_attestation","attest_author":"https://pith.science/pith/JLNDHJIG2WYRWYO6WNZS4XVPBA/action/author_attestation","sign_citation":"https://pith.science/pith/JLNDHJIG2WYRWYO6WNZS4XVPBA/action/citation_signature","submit_replication":"https://pith.science/pith/JLNDHJIG2WYRWYO6WNZS4XVPBA/action/replication_record"}},"created_at":"2026-07-04T15:44:15.487324+00:00","updated_at":"2026-07-04T15:44:15.487324+00:00"}