{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:TEPOFDQLBOLQ5NB2YSBCXK6IA7","short_pith_number":"pith:TEPOFDQL","schema_version":"1.0","canonical_sha256":"991ee28e0b0b970eb43ac4822babc807d972bca9173e47dbb36a06b8f35f86ba","source":{"kind":"arxiv","id":"1910.00666","version":1},"attestation_state":"computed","paper":{"title":"A Cepheid-Based Distance to the Seyfert Galaxy NGC 6814","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Bradley M. Peterson, Christopher A. Onken, Laura Ferrarese, Misty C. Bentz, Monica Valluri","submitted_at":"2019-10-01T21:07:34Z","abstract_excerpt":"We present a Cepheid-based distance to the nearby Seyfert galaxy NGC\\,6814 from {\\it Hubble Space Telescope} observations. We obtained F555W and F814W imaging over the course of 12 visits with logarithmic time spacing in 2013 August$-$October. We detected and made photometric measurements for 16,469 unique sources across all images in both filters, from which we identify 90 excellent Cepheid candidates spanning a range of periods of $13-84$ days. We find evidence for incompleteness in the detection of candidates at periods <21 days. Based on the analysis of Cepheid candidates above the incompl"},"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":"1910.00666","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-01T21:07:34Z","cross_cats_sorted":[],"title_canon_sha256":"d98a999390b51ac7bed63ed962de6af8b4857ee5f2a36515f1624432fcf58914","abstract_canon_sha256":"7b6b5b27502b7ef31f46dfb2bcb5b230508350999243983adf12b37799d1dd16"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:30:26.471049Z","signature_b64":"W30PkQgpwpYPBNup+EjHLcVijQbjpknfYNF2lLcTbFuQpD5/iGcKVLv26kLg2c1w5VltmxzrzUYi8JN4+f84Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"991ee28e0b0b970eb43ac4822babc807d972bca9173e47dbb36a06b8f35f86ba","last_reissued_at":"2026-07-05T00:30:26.470555Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:30:26.470555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Cepheid-Based Distance to the Seyfert Galaxy NGC 6814","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Bradley M. Peterson, Christopher A. Onken, Laura Ferrarese, Misty C. Bentz, Monica Valluri","submitted_at":"2019-10-01T21:07:34Z","abstract_excerpt":"We present a Cepheid-based distance to the nearby Seyfert galaxy NGC\\,6814 from {\\it Hubble Space Telescope} observations. We obtained F555W and F814W imaging over the course of 12 visits with logarithmic time spacing in 2013 August$-$October. We detected and made photometric measurements for 16,469 unique sources across all images in both filters, from which we identify 90 excellent Cepheid candidates spanning a range of periods of $13-84$ days. We find evidence for incompleteness in the detection of candidates at periods <21 days. Based on the analysis of Cepheid candidates above the incompl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.00666","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/1910.00666/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":"1910.00666","created_at":"2026-07-05T00:30:26.470615+00:00"},{"alias_kind":"arxiv_version","alias_value":"1910.00666v1","created_at":"2026-07-05T00:30:26.470615+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.00666","created_at":"2026-07-05T00:30:26.470615+00:00"},{"alias_kind":"pith_short_12","alias_value":"TEPOFDQLBOLQ","created_at":"2026-07-05T00:30:26.470615+00:00"},{"alias_kind":"pith_short_16","alias_value":"TEPOFDQLBOLQ5NB2","created_at":"2026-07-05T00:30:26.470615+00:00"},{"alias_kind":"pith_short_8","alias_value":"TEPOFDQL","created_at":"2026-07-05T00:30:26.470615+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/TEPOFDQLBOLQ5NB2YSBCXK6IA7","json":"https://pith.science/pith/TEPOFDQLBOLQ5NB2YSBCXK6IA7.json","graph_json":"https://pith.science/api/pith-number/TEPOFDQLBOLQ5NB2YSBCXK6IA7/graph.json","events_json":"https://pith.science/api/pith-number/TEPOFDQLBOLQ5NB2YSBCXK6IA7/events.json","paper":"https://pith.science/paper/TEPOFDQL"},"agent_actions":{"view_html":"https://pith.science/pith/TEPOFDQLBOLQ5NB2YSBCXK6IA7","download_json":"https://pith.science/pith/TEPOFDQLBOLQ5NB2YSBCXK6IA7.json","view_paper":"https://pith.science/paper/TEPOFDQL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1910.00666&json=true","fetch_graph":"https://pith.science/api/pith-number/TEPOFDQLBOLQ5NB2YSBCXK6IA7/graph.json","fetch_events":"https://pith.science/api/pith-number/TEPOFDQLBOLQ5NB2YSBCXK6IA7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TEPOFDQLBOLQ5NB2YSBCXK6IA7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TEPOFDQLBOLQ5NB2YSBCXK6IA7/action/storage_attestation","attest_author":"https://pith.science/pith/TEPOFDQLBOLQ5NB2YSBCXK6IA7/action/author_attestation","sign_citation":"https://pith.science/pith/TEPOFDQLBOLQ5NB2YSBCXK6IA7/action/citation_signature","submit_replication":"https://pith.science/pith/TEPOFDQLBOLQ5NB2YSBCXK6IA7/action/replication_record"}},"created_at":"2026-07-05T00:30:26.470615+00:00","updated_at":"2026-07-05T00:30:26.470615+00:00"}