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We used the data of the QUIJOTE line survey towards TMC-1 and found six lines in perfect harmonic frequency relation from J=27-26 up to J=32-31. The frequency of the lines can be reproduced with a rotational constant and a distortion constant of B=582.68490+/-0.00024 MHz and D=4.01+/-0.13 Hz, respectively. The standard deviation of the fit is 4 kHz. Towards IRC+10216, we identify 17 lines from J=27-26 up to J=43-42; their frequencies are also in harmonic relation, pr"},"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":"2301.12819","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-01-30T12:17:59Z","cross_cats_sorted":[],"title_canon_sha256":"9907472fe2e9be8ed8f2ca58c4d7b12ea1eb332d0d3e29683b193b900a5215c8","abstract_canon_sha256":"6c16cf449344e877161694228cb0aa7e8a138c425d5641cfb7effd322ead119a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:41:40.454433Z","signature_b64":"hAAjAvltLvqbSCZ8/oZp+u4li2RIpspa+OmpoqY0dOpapCLLQq41AkoNnDN98NiB3hH0+9Y9SgVbcvoKaOc9CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3989526bcb1433b4f74bc01d0b7abdcebb913849d64f73f233473a5946caf524","last_reissued_at":"2026-07-05T05:41:40.454025Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:41:40.454025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of the C7N- anion in TMC-1 and IRC+10216","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"B. 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