{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:52WI3J5KO2S4CHEFY5CGNAVS4M","short_pith_number":"pith:52WI3J5K","schema_version":"1.0","canonical_sha256":"eeac8da7aa76a5c11c85c7446682b2e32eecb6e12eeac382b981ecbf41979f4b","source":{"kind":"arxiv","id":"1406.5304","version":1},"attestation_state":"computed","paper":{"title":"A probable pre-main sequence chemically peculiar star in the open cluster Stock 16","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"E. Paunzen, K. Zwintz, L. Fossati, M. Netopil, O.I. Pintado, S. Bagnulo","submitted_at":"2014-06-20T08:04:03Z","abstract_excerpt":"We used the Ultraviolet and Visual Echelle Spectrograph of the ESO-Very Large Telescope to obtain a high resolution and high signal-to-noise ratio spectrum of Stock 16-12, an early-type star which previous Delta-a photometric observations suggest being a chemically peculiar (CP) star. We used spectral synthesis to perform a detailed abundance analysis obtaining an effective temperature of 8400 +/- 400 K, a surface gravity of 4.1 +/- 0.4, a microturbulence velocity of 3.4 +0.7/-0.3 km/s, and a projected rotational velocity of 68 +/- 4 km/s. We provide photometric and spectroscopic evidence show"},"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":"1406.5304","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-06-20T08:04:03Z","cross_cats_sorted":[],"title_canon_sha256":"b8d349cbe73e40c5a6997773d72396ea7acd40b5f4568790670d8416b6ccd17a","abstract_canon_sha256":"7c5ab7135e38d5e61d2ad6dae5030601427fb7e37b169191882ff65ee01284af"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:52.609520Z","signature_b64":"7SbmiQmAVV2Fx9pVG++zuLPEKXu1wzkdmdx6Fz0ru7BuJ0Bs1e9DmAFJHOuB9vHHgVl8REhfnTJS66SMVEjZBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eeac8da7aa76a5c11c85c7446682b2e32eecb6e12eeac382b981ecbf41979f4b","last_reissued_at":"2026-05-18T01:42:52.608893Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:52.608893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A probable pre-main sequence chemically peculiar star in the open cluster Stock 16","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"E. Paunzen, K. Zwintz, L. Fossati, M. Netopil, O.I. Pintado, S. Bagnulo","submitted_at":"2014-06-20T08:04:03Z","abstract_excerpt":"We used the Ultraviolet and Visual Echelle Spectrograph of the ESO-Very Large Telescope to obtain a high resolution and high signal-to-noise ratio spectrum of Stock 16-12, an early-type star which previous Delta-a photometric observations suggest being a chemically peculiar (CP) star. We used spectral synthesis to perform a detailed abundance analysis obtaining an effective temperature of 8400 +/- 400 K, a surface gravity of 4.1 +/- 0.4, a microturbulence velocity of 3.4 +0.7/-0.3 km/s, and a projected rotational velocity of 68 +/- 4 km/s. We provide photometric and spectroscopic evidence show"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.5304","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":"1406.5304","created_at":"2026-05-18T01:42:52.608981+00:00"},{"alias_kind":"arxiv_version","alias_value":"1406.5304v1","created_at":"2026-05-18T01:42:52.608981+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.5304","created_at":"2026-05-18T01:42:52.608981+00:00"},{"alias_kind":"pith_short_12","alias_value":"52WI3J5KO2S4","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_16","alias_value":"52WI3J5KO2S4CHEF","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_8","alias_value":"52WI3J5K","created_at":"2026-05-18T12:28:14.216126+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/52WI3J5KO2S4CHEFY5CGNAVS4M","json":"https://pith.science/pith/52WI3J5KO2S4CHEFY5CGNAVS4M.json","graph_json":"https://pith.science/api/pith-number/52WI3J5KO2S4CHEFY5CGNAVS4M/graph.json","events_json":"https://pith.science/api/pith-number/52WI3J5KO2S4CHEFY5CGNAVS4M/events.json","paper":"https://pith.science/paper/52WI3J5K"},"agent_actions":{"view_html":"https://pith.science/pith/52WI3J5KO2S4CHEFY5CGNAVS4M","download_json":"https://pith.science/pith/52WI3J5KO2S4CHEFY5CGNAVS4M.json","view_paper":"https://pith.science/paper/52WI3J5K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1406.5304&json=true","fetch_graph":"https://pith.science/api/pith-number/52WI3J5KO2S4CHEFY5CGNAVS4M/graph.json","fetch_events":"https://pith.science/api/pith-number/52WI3J5KO2S4CHEFY5CGNAVS4M/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/52WI3J5KO2S4CHEFY5CGNAVS4M/action/timestamp_anchor","attest_storage":"https://pith.science/pith/52WI3J5KO2S4CHEFY5CGNAVS4M/action/storage_attestation","attest_author":"https://pith.science/pith/52WI3J5KO2S4CHEFY5CGNAVS4M/action/author_attestation","sign_citation":"https://pith.science/pith/52WI3J5KO2S4CHEFY5CGNAVS4M/action/citation_signature","submit_replication":"https://pith.science/pith/52WI3J5KO2S4CHEFY5CGNAVS4M/action/replication_record"}},"created_at":"2026-05-18T01:42:52.608981+00:00","updated_at":"2026-05-18T01:42:52.608981+00:00"}