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We prove that $T$ coincides with the connected component, containing the identity element, of the group of automorphisms of the variety $\\overline T$."},"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":"1506.09011","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2015-06-30T09:55:55Z","cross_cats_sorted":["math.GR"],"title_canon_sha256":"414331a0216b64ba4cfa31186709839ff3876d060fca92a8dae12f5e030ec067","abstract_canon_sha256":"3714053447043d01680e0d862ea3abf7a2ba5447841491561da0f818717e2b21"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:33.855684Z","signature_b64":"GZKlDtQjjvMExaQraqagvfJwkZIZ9JGiluExy/tAjfjbGDIDnCT0xuxo9WYJYkwy5nvgSjP8Y45K54ggA9YdAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38036b302ccdd967652e4d12e311fed63c0010c7d3da3f513da2b20c44dd041c","last_reissued_at":"2026-05-18T01:37:33.855065Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:33.855065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Automorphisms of $\\overline{T}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.GR"],"primary_cat":"math.AG","authors_text":"D. 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