{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:HC62AFVZKCXCN5SWANIW2BCGFI","short_pith_number":"pith:HC62AFVZ","schema_version":"1.0","canonical_sha256":"38bda016b950ae26f65603516d04462a37a4df6d001bca7810aed330bdb88ec7","source":{"kind":"arxiv","id":"1909.05049","version":1},"attestation_state":"computed","paper":{"title":"Calibration of the EUSO-TA detector with stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Djakonow, J. Szabelski, K. Krolik (for the JEM-EUSO Collaboration), L.W. Piotrowski, M. Przybylak, Z. Plebaniak","submitted_at":"2019-09-11T13:46:18Z","abstract_excerpt":"The Extreme Universe Space Observatory-Telescope Array (EUSO-TA) is a ground-based experiment, part of the JEM-EUSO (Joint Experiment Missions -- Extreme Universe Space Observatory) dedicated to the observation of Ultra High Energy Cosmic Rays (UHECRs) in parallel with the Telescope Array (TA) experiment. The main goal of EUSO-TA operations is to test the hardware and calibrate the EUSO detector to obtain optimal performance for cosmic ray observations. Apart from the artificial source calibration such as the Central Laser Facility (CLF), mobile lasers and UV diodes, natural signals from stars"},"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":"1909.05049","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-09-11T13:46:18Z","cross_cats_sorted":[],"title_canon_sha256":"fe848a35ff3edc084d8668e4d4cc6ccc07cc13a55f0b274475d46427237058c5","abstract_canon_sha256":"b36b633929c413b6f60900ffcc07240cf01ae600a47335c25ba26482d04864df"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:04:02.520224Z","signature_b64":"sZqrKfc29BdJUUjAHODGCKtMNH3B8le3gK7dI+Llm1uq2RWuFwQBFTsExTuWA9uvUFkRUUW9gOtMQq+9vvu2Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38bda016b950ae26f65603516d04462a37a4df6d001bca7810aed330bdb88ec7","last_reissued_at":"2026-07-05T00:04:02.519760Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:04:02.519760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Calibration of the EUSO-TA detector with stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"A. Djakonow, J. Szabelski, K. Krolik (for the JEM-EUSO Collaboration), L.W. Piotrowski, M. Przybylak, Z. Plebaniak","submitted_at":"2019-09-11T13:46:18Z","abstract_excerpt":"The Extreme Universe Space Observatory-Telescope Array (EUSO-TA) is a ground-based experiment, part of the JEM-EUSO (Joint Experiment Missions -- Extreme Universe Space Observatory) dedicated to the observation of Ultra High Energy Cosmic Rays (UHECRs) in parallel with the Telescope Array (TA) experiment. The main goal of EUSO-TA operations is to test the hardware and calibrate the EUSO detector to obtain optimal performance for cosmic ray observations. Apart from the artificial source calibration such as the Central Laser Facility (CLF), mobile lasers and UV diodes, natural signals from stars"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.05049","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/1909.05049/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":"1909.05049","created_at":"2026-07-05T00:04:02.519833+00:00"},{"alias_kind":"arxiv_version","alias_value":"1909.05049v1","created_at":"2026-07-05T00:04:02.519833+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.05049","created_at":"2026-07-05T00:04:02.519833+00:00"},{"alias_kind":"pith_short_12","alias_value":"HC62AFVZKCXC","created_at":"2026-07-05T00:04:02.519833+00:00"},{"alias_kind":"pith_short_16","alias_value":"HC62AFVZKCXCN5SW","created_at":"2026-07-05T00:04:02.519833+00:00"},{"alias_kind":"pith_short_8","alias_value":"HC62AFVZ","created_at":"2026-07-05T00:04:02.519833+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/HC62AFVZKCXCN5SWANIW2BCGFI","json":"https://pith.science/pith/HC62AFVZKCXCN5SWANIW2BCGFI.json","graph_json":"https://pith.science/api/pith-number/HC62AFVZKCXCN5SWANIW2BCGFI/graph.json","events_json":"https://pith.science/api/pith-number/HC62AFVZKCXCN5SWANIW2BCGFI/events.json","paper":"https://pith.science/paper/HC62AFVZ"},"agent_actions":{"view_html":"https://pith.science/pith/HC62AFVZKCXCN5SWANIW2BCGFI","download_json":"https://pith.science/pith/HC62AFVZKCXCN5SWANIW2BCGFI.json","view_paper":"https://pith.science/paper/HC62AFVZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1909.05049&json=true","fetch_graph":"https://pith.science/api/pith-number/HC62AFVZKCXCN5SWANIW2BCGFI/graph.json","fetch_events":"https://pith.science/api/pith-number/HC62AFVZKCXCN5SWANIW2BCGFI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HC62AFVZKCXCN5SWANIW2BCGFI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HC62AFVZKCXCN5SWANIW2BCGFI/action/storage_attestation","attest_author":"https://pith.science/pith/HC62AFVZKCXCN5SWANIW2BCGFI/action/author_attestation","sign_citation":"https://pith.science/pith/HC62AFVZKCXCN5SWANIW2BCGFI/action/citation_signature","submit_replication":"https://pith.science/pith/HC62AFVZKCXCN5SWANIW2BCGFI/action/replication_record"}},"created_at":"2026-07-05T00:04:02.519833+00:00","updated_at":"2026-07-05T00:04:02.519833+00:00"}