{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:U3OIW3VR2PDQHEURX3UMZEG5DD","short_pith_number":"pith:U3OIW3VR","schema_version":"1.0","canonical_sha256":"a6dc8b6eb1d3c7039291bee8cc90dd18e20ad1c6722ebb6f0a695555566f476e","source":{"kind":"arxiv","id":"1403.0546","version":1},"attestation_state":"computed","paper":{"title":"CCD BVRI and 2MASS Photometry of the Poorly Studied Open Cluster NGC 6631","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Essam, A. L. Tadross, A. Osman, H. Priya, R. Bendary","submitted_at":"2014-03-03T20:02:01Z","abstract_excerpt":"Here we have obtained the {\\it BVRI CCD} photometry down to a limiting magnitude of $V \\sim$ 20 for the southern poorly studied open cluster NGC 6631. It is observed from the {\\it 1.88 m} Telescope of Kottamia Observatory in Egypt. About 3300 stars have been observed in an area of $\\sim 10^{\\prime} \\times 10^{\\prime}$ around the cluster center. The main photometric parameters have been estimated and compared with the results that determined for the cluster using {\\it JHKs 2MASS} photometric database. The cluster's diameter is estimated to be 10 arcmin; the reddening E(B-V)= 0.68 $\\pm$ 0.10 mag"},"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":"1403.0546","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-03T20:02:01Z","cross_cats_sorted":[],"title_canon_sha256":"fb7c0bb8adb7a1b4f8d85143afcb7df320318d95f46d2dc73e2624e06e495bbb","abstract_canon_sha256":"3710268dda4ce65a64d92c880cbf70189148823938b942e8c2bb2dc0bd96ed6d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:24.584313Z","signature_b64":"cabregoe/w2VukWPnidZ6ds9t0Nq0ssd3r9MAhIC/ySxyotTdcQyOmjP8c21giR1DfFUCT4vNqphRBrIR7YMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6dc8b6eb1d3c7039291bee8cc90dd18e20ad1c6722ebb6f0a695555566f476e","last_reissued_at":"2026-05-18T02:57:24.583641Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:24.583641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CCD BVRI and 2MASS Photometry of the Poorly Studied Open Cluster NGC 6631","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Essam, A. L. Tadross, A. Osman, H. Priya, R. Bendary","submitted_at":"2014-03-03T20:02:01Z","abstract_excerpt":"Here we have obtained the {\\it BVRI CCD} photometry down to a limiting magnitude of $V \\sim$ 20 for the southern poorly studied open cluster NGC 6631. It is observed from the {\\it 1.88 m} Telescope of Kottamia Observatory in Egypt. About 3300 stars have been observed in an area of $\\sim 10^{\\prime} \\times 10^{\\prime}$ around the cluster center. The main photometric parameters have been estimated and compared with the results that determined for the cluster using {\\it JHKs 2MASS} photometric database. The cluster's diameter is estimated to be 10 arcmin; the reddening E(B-V)= 0.68 $\\pm$ 0.10 mag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.0546","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1403.0546","created_at":"2026-05-18T02:57:24.583740+00:00"},{"alias_kind":"arxiv_version","alias_value":"1403.0546v1","created_at":"2026-05-18T02:57:24.583740+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.0546","created_at":"2026-05-18T02:57:24.583740+00:00"},{"alias_kind":"pith_short_12","alias_value":"U3OIW3VR2PDQ","created_at":"2026-05-18T12:28:52.271510+00:00"},{"alias_kind":"pith_short_16","alias_value":"U3OIW3VR2PDQHEUR","created_at":"2026-05-18T12:28:52.271510+00:00"},{"alias_kind":"pith_short_8","alias_value":"U3OIW3VR","created_at":"2026-05-18T12:28:52.271510+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/U3OIW3VR2PDQHEURX3UMZEG5DD","json":"https://pith.science/pith/U3OIW3VR2PDQHEURX3UMZEG5DD.json","graph_json":"https://pith.science/api/pith-number/U3OIW3VR2PDQHEURX3UMZEG5DD/graph.json","events_json":"https://pith.science/api/pith-number/U3OIW3VR2PDQHEURX3UMZEG5DD/events.json","paper":"https://pith.science/paper/U3OIW3VR"},"agent_actions":{"view_html":"https://pith.science/pith/U3OIW3VR2PDQHEURX3UMZEG5DD","download_json":"https://pith.science/pith/U3OIW3VR2PDQHEURX3UMZEG5DD.json","view_paper":"https://pith.science/paper/U3OIW3VR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1403.0546&json=true","fetch_graph":"https://pith.science/api/pith-number/U3OIW3VR2PDQHEURX3UMZEG5DD/graph.json","fetch_events":"https://pith.science/api/pith-number/U3OIW3VR2PDQHEURX3UMZEG5DD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U3OIW3VR2PDQHEURX3UMZEG5DD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U3OIW3VR2PDQHEURX3UMZEG5DD/action/storage_attestation","attest_author":"https://pith.science/pith/U3OIW3VR2PDQHEURX3UMZEG5DD/action/author_attestation","sign_citation":"https://pith.science/pith/U3OIW3VR2PDQHEURX3UMZEG5DD/action/citation_signature","submit_replication":"https://pith.science/pith/U3OIW3VR2PDQHEURX3UMZEG5DD/action/replication_record"}},"created_at":"2026-05-18T02:57:24.583740+00:00","updated_at":"2026-05-18T02:57:24.583740+00:00"}