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Two of the sources, $\\beta$ Lyr and MWC 349 also show emission from other species. Both of these objects show evidence of [Ne II] emission, and $\\beta$ Lyr also shows evidence of He I emission. We tabulate the effective line streng"},"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/9910185","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-10-11T13:08:59Z","cross_cats_sorted":[],"title_canon_sha256":"5a8b49ffa8bb0d5fd5f06944458e9820d2c497454094b07646fcd903e4bdebb1","abstract_canon_sha256":"049ea60e1f340d2882df9c118897e2cc4ad0a0ccea33371654cc9ba7a343fd49"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:35.953496Z","signature_b64":"vrjvrzsK0GqrsCJrvoA6IzRk0Wkoe8HpG34VQt/agCTCTGvpuToLqZyh8otUu/LG4hOcxBNeOfxT1fOIxVk7Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e1ea5a6ec26e83bee2b8696f152a2eea803936098e3b6e72166be35c4fcaec4","last_reissued_at":"2026-05-18T01:07:35.952847Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:35.952847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mid-Infrared Spectra of Be Stars","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.D. 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