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In this paper, we address the problem of the non--tautology of the Chow ring of $\\mathcal{R}_{g;m}$. The locus which allows us to achieve earlier bounds for the non--tautology of $\\mathrm{CH}^\\bullet(\\mathcal{R}_{g})$ compared to $\\mathcal{M}_g$ is the component $\\mathcal{R}\\mathcal{B}_g^0$ of the locus of bi--elliptic Prym curv"},"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":"2605.21675","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2026-05-20T19:35:08Z","cross_cats_sorted":[],"title_canon_sha256":"c9407cc25295cff2efb2c37d7dbccd84c7b2b76d615487c22ba74480b9fe8225","abstract_canon_sha256":"540e8a6ead49c89df3538e9f119fbe3ca7a69f153de1311e1a888149892f86bc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-22T01:03:27.649743Z","signature_b64":"34yFCpWYG715tq4VKD0NvVQqOxY0u+eHo6GqCQfCbNXGeozWPX0kggMwZUvKJy87+nVq1gWbF4znVxAHvYlBDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0050f973216c05d6f890d8bd32b5dd6d346aa52e126f29fc579f9b4e19cb3320","last_reissued_at":"2026-05-22T01:03:27.649223Z","signature_status":"signed_v1","first_computed_at":"2026-05-22T01:03:27.649223Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Non--tautological cycles on Prym moduli spaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Bogdan Carasca, Riccardo Redigolo","submitted_at":"2026-05-20T19:35:08Z","abstract_excerpt":"We denote by $\\mathcal{R}_{g;m}$ the moduli space of $m$--pointed Prym curves of genus $g$, that is, tuples $[\\widetilde C / C; x_1, \\dots, x_m]$ where $[C, x_1, \\dots, x_m]$ is an $m$--pointed curve of genus $g$ and $\\widetilde C/ C$ is an \\'etale double cover of $C$. 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