{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:CDONFNEN4HLEARJLJTDORQOXZ5","short_pith_number":"pith:CDONFNEN","schema_version":"1.0","canonical_sha256":"10dcd2b48de1d640452b4cc6e8c1d7cf656d6d8aad4b4820a82c2c9904b9b7f4","source":{"kind":"arxiv","id":"2605.28310","version":1},"attestation_state":"computed","paper":{"title":"Polycyclic groups and profinite isomorphism","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"math.GR","authors_text":"Dan Segal","submitted_at":"2026-05-27T11:08:25Z","abstract_excerpt":"The Profinite Isomorphism Problem for a class of groups \\mathcal{C} asks for an algorithm that decides for any two groups in \\mathcal{C} whether they have isomorphic profinite completions. We present the positive solution to this problem for the class of virtually polycyclic groups."},"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":"2605.28310","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.GR","submitted_at":"2026-05-27T11:08:25Z","cross_cats_sorted":[],"title_canon_sha256":"46cfb1e845102b1c3c01a4fb48db2a4978facbc9ba89b37b206bceffbd5c2ee1","abstract_canon_sha256":"e8a5a46be545546dd073b0ce12307eba14b336da4b05dbe63d4c8daff467031b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-28T01:05:06.055297Z","signature_b64":"JRqsPgpgMC2iHm1PwdoAUeqTdU8qXwKATiPh6aN1VeKpjsE+tCF2q2CniKiyPrD77DzJ5ZynqdLqAl7rywgWCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10dcd2b48de1d640452b4cc6e8c1d7cf656d6d8aad4b4820a82c2c9904b9b7f4","last_reissued_at":"2026-05-28T01:05:06.054895Z","signature_status":"signed_v1","first_computed_at":"2026-05-28T01:05:06.054895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Polycyclic groups and profinite isomorphism","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"math.GR","authors_text":"Dan Segal","submitted_at":"2026-05-27T11:08:25Z","abstract_excerpt":"The Profinite Isomorphism Problem for a class of groups \\mathcal{C} asks for an algorithm that decides for any two groups in \\mathcal{C} whether they have isomorphic profinite completions. We present the positive solution to this problem for the class of virtually polycyclic groups."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.28310","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/2605.28310/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":"2605.28310","created_at":"2026-05-28T01:05:06.054946+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.28310v1","created_at":"2026-05-28T01:05:06.054946+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.28310","created_at":"2026-05-28T01:05:06.054946+00:00"},{"alias_kind":"pith_short_12","alias_value":"CDONFNEN4HLE","created_at":"2026-05-28T01:05:06.054946+00:00"},{"alias_kind":"pith_short_16","alias_value":"CDONFNEN4HLEARJL","created_at":"2026-05-28T01:05:06.054946+00:00"},{"alias_kind":"pith_short_8","alias_value":"CDONFNEN","created_at":"2026-05-28T01:05:06.054946+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/CDONFNEN4HLEARJLJTDORQOXZ5","json":"https://pith.science/pith/CDONFNEN4HLEARJLJTDORQOXZ5.json","graph_json":"https://pith.science/api/pith-number/CDONFNEN4HLEARJLJTDORQOXZ5/graph.json","events_json":"https://pith.science/api/pith-number/CDONFNEN4HLEARJLJTDORQOXZ5/events.json","paper":"https://pith.science/paper/CDONFNEN"},"agent_actions":{"view_html":"https://pith.science/pith/CDONFNEN4HLEARJLJTDORQOXZ5","download_json":"https://pith.science/pith/CDONFNEN4HLEARJLJTDORQOXZ5.json","view_paper":"https://pith.science/paper/CDONFNEN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.28310&json=true","fetch_graph":"https://pith.science/api/pith-number/CDONFNEN4HLEARJLJTDORQOXZ5/graph.json","fetch_events":"https://pith.science/api/pith-number/CDONFNEN4HLEARJLJTDORQOXZ5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CDONFNEN4HLEARJLJTDORQOXZ5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CDONFNEN4HLEARJLJTDORQOXZ5/action/storage_attestation","attest_author":"https://pith.science/pith/CDONFNEN4HLEARJLJTDORQOXZ5/action/author_attestation","sign_citation":"https://pith.science/pith/CDONFNEN4HLEARJLJTDORQOXZ5/action/citation_signature","submit_replication":"https://pith.science/pith/CDONFNEN4HLEARJLJTDORQOXZ5/action/replication_record"}},"created_at":"2026-05-28T01:05:06.054946+00:00","updated_at":"2026-05-28T01:05:06.054946+00:00"}