{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3RGA6HJEU4RDR5G3XLHJ7W362S","short_pith_number":"pith:3RGA6HJE","canonical_record":{"source":{"id":"1711.10366","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-28T15:57:27Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"e78ebd6de1c1d58bca18e762ab79f21e9072d58efbc54f9eee9cb16acb80b45d","abstract_canon_sha256":"7e5d7dff342a0440437474be28001184d093ef81eaf3d2de0821913ac41f5038"},"schema_version":"1.0"},"canonical_sha256":"dc4c0f1d24a72238f4dbbace9fdb7ed4b18d79c6b52c2d12f420610789217632","source":{"kind":"arxiv","id":"1711.10366","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.10366","created_at":"2026-05-18T00:29:22Z"},{"alias_kind":"arxiv_version","alias_value":"1711.10366v1","created_at":"2026-05-18T00:29:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.10366","created_at":"2026-05-18T00:29:22Z"},{"alias_kind":"pith_short_12","alias_value":"3RGA6HJEU4RD","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3RGA6HJEU4RDR5G3","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3RGA6HJE","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3RGA6HJEU4RDR5G3XLHJ7W362S","target":"record","payload":{"canonical_record":{"source":{"id":"1711.10366","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-28T15:57:27Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"e78ebd6de1c1d58bca18e762ab79f21e9072d58efbc54f9eee9cb16acb80b45d","abstract_canon_sha256":"7e5d7dff342a0440437474be28001184d093ef81eaf3d2de0821913ac41f5038"},"schema_version":"1.0"},"canonical_sha256":"dc4c0f1d24a72238f4dbbace9fdb7ed4b18d79c6b52c2d12f420610789217632","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:22.402305Z","signature_b64":"XXRZgDwChe3HeOoHTa2ND5vSn8PCALNBEx3VaRg5lVE8HH382Frtg+2UG9xQmtxGEOXrC+yD1NgWVJlnlUkGAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc4c0f1d24a72238f4dbbace9fdb7ed4b18d79c6b52c2d12f420610789217632","last_reissued_at":"2026-05-18T00:29:22.401620Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:22.401620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.10366","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:29:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Irb8bqbVyPmcdAWq6lvjjVZ5fFl4OsvtofSsrwOQkH5G4AKofv1LWg//eFdiFK1qMb2He4T7VvUNYIlY1NvFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:19:06.614492Z"},"content_sha256":"2e8865a621d8799e7af693d2f39cb55b1068f1f4f6fec5141597def1d5d73191","schema_version":"1.0","event_id":"sha256:2e8865a621d8799e7af693d2f39cb55b1068f1f4f6fec5141597def1d5d73191"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3RGA6HJEU4RDR5G3XLHJ7W362S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"UVSat: a concept of an ultraviolet/optical photometric satellite","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"A. Baran, A. Niedzielski, A. Pamyatnykh, A. Pigulski, B. Czerny, E. Niemczura, G. Handler, G. Maciejewski, G. Michalska, H. Cugier, J. Daszynska-Daszkiewicz, J. Krzesinski, J. Molenda-Zakowicz, J. Ostrowski, L. Wyrzykowski, M. Bzowski, M. Krolikowska, M. Ratajczak, M. Sarna, M. Siwak, P. Moskalik, R. Smolec, S. Rucinski, S. Szutowicz, S. Zola, T. Tomov, W. Dziembowski, Z. Kolaczkowski","submitted_at":"2017-11-28T15:57:27Z","abstract_excerpt":"Time-series photometry from space in the ultraviolet can be presently done with only a few platforms, none of which is able to provide wide-field long-term high-cadence photometry. We present a concept of UVSat, a twin space telescope which will be capable to perform this kind of photometry, filling an observational niche. The satellite will host two telescopes, one for observations in the ultraviolet, the other for observations in the optical band. We also briefly show what science can be done with UVSat."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.10366","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:29:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KbTbpYvWf2pjnLFg1zI79pKgWMZBkJwToA+YDmBJIpSudcqfyowuKSmV+89/+gautf4eFeQI5f+jMlkiEJAvBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:19:06.614886Z"},"content_sha256":"0a27b1355f2a7d73c0999ab76bb5d5f364f242dac869423278dc5151461c4220","schema_version":"1.0","event_id":"sha256:0a27b1355f2a7d73c0999ab76bb5d5f364f242dac869423278dc5151461c4220"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3RGA6HJEU4RDR5G3XLHJ7W362S/bundle.json","state_url":"https://pith.science/pith/3RGA6HJEU4RDR5G3XLHJ7W362S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3RGA6HJEU4RDR5G3XLHJ7W362S/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-30T17:19:06Z","links":{"resolver":"https://pith.science/pith/3RGA6HJEU4RDR5G3XLHJ7W362S","bundle":"https://pith.science/pith/3RGA6HJEU4RDR5G3XLHJ7W362S/bundle.json","state":"https://pith.science/pith/3RGA6HJEU4RDR5G3XLHJ7W362S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3RGA6HJEU4RDR5G3XLHJ7W362S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3RGA6HJEU4RDR5G3XLHJ7W362S","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":"7e5d7dff342a0440437474be28001184d093ef81eaf3d2de0821913ac41f5038","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-28T15:57:27Z","title_canon_sha256":"e78ebd6de1c1d58bca18e762ab79f21e9072d58efbc54f9eee9cb16acb80b45d"},"schema_version":"1.0","source":{"id":"1711.10366","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.10366","created_at":"2026-05-18T00:29:22Z"},{"alias_kind":"arxiv_version","alias_value":"1711.10366v1","created_at":"2026-05-18T00:29:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.10366","created_at":"2026-05-18T00:29:22Z"},{"alias_kind":"pith_short_12","alias_value":"3RGA6HJEU4RD","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3RGA6HJEU4RDR5G3","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3RGA6HJE","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:0a27b1355f2a7d73c0999ab76bb5d5f364f242dac869423278dc5151461c4220","target":"graph","created_at":"2026-05-18T00:29:22Z","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":"Time-series photometry from space in the ultraviolet can be presently done with only a few platforms, none of which is able to provide wide-field long-term high-cadence photometry. We present a concept of UVSat, a twin space telescope which will be capable to perform this kind of photometry, filling an observational niche. The satellite will host two telescopes, one for observations in the ultraviolet, the other for observations in the optical band. We also briefly show what science can be done with UVSat.","authors_text":"A. Baran, A. Niedzielski, A. Pamyatnykh, A. Pigulski, B. Czerny, E. Niemczura, G. Handler, G. Maciejewski, G. Michalska, H. Cugier, J. Daszynska-Daszkiewicz, J. Krzesinski, J. Molenda-Zakowicz, J. Ostrowski, L. Wyrzykowski, M. Bzowski, M. Krolikowska, M. Ratajczak, M. Sarna, M. Siwak, P. Moskalik, R. Smolec, S. Rucinski, S. Szutowicz, S. Zola, T. Tomov, W. Dziembowski, Z. Kolaczkowski","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-28T15:57:27Z","title":"UVSat: a concept of an ultraviolet/optical photometric satellite"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.10366","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":"sha256:2e8865a621d8799e7af693d2f39cb55b1068f1f4f6fec5141597def1d5d73191","target":"record","created_at":"2026-05-18T00:29:22Z","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":"7e5d7dff342a0440437474be28001184d093ef81eaf3d2de0821913ac41f5038","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-28T15:57:27Z","title_canon_sha256":"e78ebd6de1c1d58bca18e762ab79f21e9072d58efbc54f9eee9cb16acb80b45d"},"schema_version":"1.0","source":{"id":"1711.10366","kind":"arxiv","version":1}},"canonical_sha256":"dc4c0f1d24a72238f4dbbace9fdb7ed4b18d79c6b52c2d12f420610789217632","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc4c0f1d24a72238f4dbbace9fdb7ed4b18d79c6b52c2d12f420610789217632","first_computed_at":"2026-05-18T00:29:22.401620Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:22.401620Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XXRZgDwChe3HeOoHTa2ND5vSn8PCALNBEx3VaRg5lVE8HH382Frtg+2UG9xQmtxGEOXrC+yD1NgWVJlnlUkGAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:22.402305Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.10366","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e8865a621d8799e7af693d2f39cb55b1068f1f4f6fec5141597def1d5d73191","sha256:0a27b1355f2a7d73c0999ab76bb5d5f364f242dac869423278dc5151461c4220"],"state_sha256":"96d4d1d3d4ff385a61dca66f4af25f51944701275efa616230a03271578340a7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9yxYckgxZel4akhGgFbAEwQMX7OWtpQKiYFrFLuPL1agWN5n5/m9etkVIpAfOmvOiEr9EkVVydjCoKz+1ypGDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T17:19:06.618859Z","bundle_sha256":"c512c2f29dbad9159e011deb8614ad1a4132219b75add55b5b57b1698678115b"}}