{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1995:Q5DA5IQOHWDUE3D3XQKRFBCZ2U","short_pith_number":"pith:Q5DA5IQO","schema_version":"1.0","canonical_sha256":"87460ea20e3d87426c7bbc15128459d520b37d7d95596c685a2755ccfa9c469c","source":{"kind":"arxiv","id":"astro-ph/9509060","version":1},"attestation_state":"computed","paper":{"title":"Statistics and properties of HII regions in a sample of grand design galaxies I. Luminosity functions","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.E. Beckman (IAC Tenerife), J.H. Knapen (Univ. de Montreal), M. Rozas","submitted_at":"1995-09-11T14:27:48Z","abstract_excerpt":"We present new high quality continuum-subtracted H alpha images of the grand-design galaxies NGC 157, NGC 3631, NGC 6764 and NGC 6951. We have determined the positions, angular sizes, and fluxes of their individual HII regions, and describe statistical properties of the HII region samples. We construct luminosity functions for all the HII regions in the disc and separately for arm and interarm zones for each galaxy. The slopes of the luminosity functions for the complete sample agree well with values published for other spiral galaxies of comparable morphological type. For three galaxies we de"},"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":"astro-ph/9509060","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1995-09-11T14:27:48Z","cross_cats_sorted":[],"title_canon_sha256":"13aa21ccdda014f8fbb62144f1f32f687103d4fc9a345a6d3dd333f14aac5462","abstract_canon_sha256":"1f1fbf07479e4952eded1f787f4cb1ae07cb06d1c55b380f8bcdcb8f133b72ce"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:14:36.719982Z","signature_b64":"mk8n3zZGbfyX/X3aXxja9aFo2ICRKe5Yzl+aS9kZ8ihIt0HUQfV+h9ibrW+CNqPm4bJwHtHEr7fMnPQ8KTf9Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87460ea20e3d87426c7bbc15128459d520b37d7d95596c685a2755ccfa9c469c","last_reissued_at":"2026-07-04T14:14:36.719602Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:14:36.719602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Statistics and properties of HII regions in a sample of grand design galaxies I. Luminosity functions","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.E. Beckman (IAC Tenerife), J.H. Knapen (Univ. de Montreal), M. Rozas","submitted_at":"1995-09-11T14:27:48Z","abstract_excerpt":"We present new high quality continuum-subtracted H alpha images of the grand-design galaxies NGC 157, NGC 3631, NGC 6764 and NGC 6951. We have determined the positions, angular sizes, and fluxes of their individual HII regions, and describe statistical properties of the HII region samples. We construct luminosity functions for all the HII regions in the disc and separately for arm and interarm zones for each galaxy. The slopes of the luminosity functions for the complete sample agree well with values published for other spiral galaxies of comparable morphological type. For three galaxies we de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9509060","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/astro-ph/9509060/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":"astro-ph/9509060","created_at":"2026-07-04T14:14:36.719670+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9509060v1","created_at":"2026-07-04T14:14:36.719670+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9509060","created_at":"2026-07-04T14:14:36.719670+00:00"},{"alias_kind":"pith_short_12","alias_value":"Q5DA5IQOHWDU","created_at":"2026-07-04T14:14:36.719670+00:00"},{"alias_kind":"pith_short_16","alias_value":"Q5DA5IQOHWDUE3D3","created_at":"2026-07-04T14:14:36.719670+00:00"},{"alias_kind":"pith_short_8","alias_value":"Q5DA5IQO","created_at":"2026-07-04T14:14:36.719670+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/Q5DA5IQOHWDUE3D3XQKRFBCZ2U","json":"https://pith.science/pith/Q5DA5IQOHWDUE3D3XQKRFBCZ2U.json","graph_json":"https://pith.science/api/pith-number/Q5DA5IQOHWDUE3D3XQKRFBCZ2U/graph.json","events_json":"https://pith.science/api/pith-number/Q5DA5IQOHWDUE3D3XQKRFBCZ2U/events.json","paper":"https://pith.science/paper/Q5DA5IQO"},"agent_actions":{"view_html":"https://pith.science/pith/Q5DA5IQOHWDUE3D3XQKRFBCZ2U","download_json":"https://pith.science/pith/Q5DA5IQOHWDUE3D3XQKRFBCZ2U.json","view_paper":"https://pith.science/paper/Q5DA5IQO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9509060&json=true","fetch_graph":"https://pith.science/api/pith-number/Q5DA5IQOHWDUE3D3XQKRFBCZ2U/graph.json","fetch_events":"https://pith.science/api/pith-number/Q5DA5IQOHWDUE3D3XQKRFBCZ2U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Q5DA5IQOHWDUE3D3XQKRFBCZ2U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Q5DA5IQOHWDUE3D3XQKRFBCZ2U/action/storage_attestation","attest_author":"https://pith.science/pith/Q5DA5IQOHWDUE3D3XQKRFBCZ2U/action/author_attestation","sign_citation":"https://pith.science/pith/Q5DA5IQOHWDUE3D3XQKRFBCZ2U/action/citation_signature","submit_replication":"https://pith.science/pith/Q5DA5IQOHWDUE3D3XQKRFBCZ2U/action/replication_record"}},"created_at":"2026-07-04T14:14:36.719670+00:00","updated_at":"2026-07-04T14:14:36.719670+00:00"}