{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:BEMXUBRSR6HYGMFMMSRMMJFC6H","short_pith_number":"pith:BEMXUBRS","schema_version":"1.0","canonical_sha256":"09197a06328f8f8330ac64a2c624a2f1ca0f1d44622dc80fc991a9b626aaa023","source":{"kind":"arxiv","id":"1604.03881","version":1},"attestation_state":"computed","paper":{"title":"Open clusters in AurOB2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Marco (University of Alicante, I. Negueruela (University of Alicante), University of Florida)","submitted_at":"2016-04-13T17:37:30Z","abstract_excerpt":"We study the area around the HII region Sh 2-234, including the young open cluster Stock 8, to investigate the extent and definition of the association Aur OB2 and the possible role of triggering in massive cluster formation. We obtained Str\\\"omgren and J,H,Ks photometry for Stock 8 and Str\\\"omgren photometry for two other cluster candidates in the area, which we confirm as young open clusters and name Alicante 11 and Alicante 12. We took spectroscopy of 33 early-type stars in the area, including the brightest cluster members. We calculate a common distance of $2.80^{+0.27}_{-0.24}$ kpc for th"},"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":"1604.03881","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-04-13T17:37:30Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"17d8bc194b511f82aa526a57725d4fc3cd56f0cd743257a58ce0e31101b4a1c2","abstract_canon_sha256":"7331b24663546b00d866c1cef41aa150942424746a6050cc9d5a72e49ccdc22f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:40.207930Z","signature_b64":"bZULb77svHO+Z7oDe4a+WCFXwqISZjq2Yq6/V99eIpI53IOhhXblsC5nyuBUe9XBtdrQ7y2WkmMUcM+qCkplBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09197a06328f8f8330ac64a2c624a2f1ca0f1d44622dc80fc991a9b626aaa023","last_reissued_at":"2026-05-18T00:20:40.207230Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:40.207230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Open clusters in AurOB2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Marco (University of Alicante, I. Negueruela (University of Alicante), University of Florida)","submitted_at":"2016-04-13T17:37:30Z","abstract_excerpt":"We study the area around the HII region Sh 2-234, including the young open cluster Stock 8, to investigate the extent and definition of the association Aur OB2 and the possible role of triggering in massive cluster formation. We obtained Str\\\"omgren and J,H,Ks photometry for Stock 8 and Str\\\"omgren photometry for two other cluster candidates in the area, which we confirm as young open clusters and name Alicante 11 and Alicante 12. We took spectroscopy of 33 early-type stars in the area, including the brightest cluster members. We calculate a common distance of $2.80^{+0.27}_{-0.24}$ kpc for th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.03881","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":"1604.03881","created_at":"2026-05-18T00:20:40.207359+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.03881v1","created_at":"2026-05-18T00:20:40.207359+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.03881","created_at":"2026-05-18T00:20:40.207359+00:00"},{"alias_kind":"pith_short_12","alias_value":"BEMXUBRSR6HY","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_16","alias_value":"BEMXUBRSR6HYGMFM","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_8","alias_value":"BEMXUBRS","created_at":"2026-05-18T12:30:07.202191+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.07068","citing_title":"Unveiling the Milky Way with a Gaia DR3 census of OB-type stars within 2 kpc. I. Tracing local Galactic structure, massive star-forming regions and core-collapse supernova progenitors","ref_index":72,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BEMXUBRSR6HYGMFMMSRMMJFC6H","json":"https://pith.science/pith/BEMXUBRSR6HYGMFMMSRMMJFC6H.json","graph_json":"https://pith.science/api/pith-number/BEMXUBRSR6HYGMFMMSRMMJFC6H/graph.json","events_json":"https://pith.science/api/pith-number/BEMXUBRSR6HYGMFMMSRMMJFC6H/events.json","paper":"https://pith.science/paper/BEMXUBRS"},"agent_actions":{"view_html":"https://pith.science/pith/BEMXUBRSR6HYGMFMMSRMMJFC6H","download_json":"https://pith.science/pith/BEMXUBRSR6HYGMFMMSRMMJFC6H.json","view_paper":"https://pith.science/paper/BEMXUBRS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.03881&json=true","fetch_graph":"https://pith.science/api/pith-number/BEMXUBRSR6HYGMFMMSRMMJFC6H/graph.json","fetch_events":"https://pith.science/api/pith-number/BEMXUBRSR6HYGMFMMSRMMJFC6H/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BEMXUBRSR6HYGMFMMSRMMJFC6H/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BEMXUBRSR6HYGMFMMSRMMJFC6H/action/storage_attestation","attest_author":"https://pith.science/pith/BEMXUBRSR6HYGMFMMSRMMJFC6H/action/author_attestation","sign_citation":"https://pith.science/pith/BEMXUBRSR6HYGMFMMSRMMJFC6H/action/citation_signature","submit_replication":"https://pith.science/pith/BEMXUBRSR6HYGMFMMSRMMJFC6H/action/replication_record"}},"created_at":"2026-05-18T00:20:40.207359+00:00","updated_at":"2026-05-18T00:20:40.207359+00:00"}