{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:YOCOVF3G7PKQDQELPEUYWHCO5A","short_pith_number":"pith:YOCOVF3G","schema_version":"1.0","canonical_sha256":"c384ea9766fbd501c08b79298b1c4ee827f7c2b1a2f4e44eb8b39605828d589b","source":{"kind":"arxiv","id":"1005.4761","version":4},"attestation_state":"computed","paper":{"title":"Characteristic varieties of quasi-projective manifolds and orbifolds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Daniel Matei, Enrique Artal Bartolo, Jose Ignacio Cogolludo-Agustin","submitted_at":"2010-05-26T08:56:37Z","abstract_excerpt":"We prove that the irreducible components of the characteristic varieties of quasi-projective manifolds are either pull-backs of such components for orbifolds, or torsion points. This gives an interpretation for the so-called \\emph{translated} components of the characteristic varieties, and shows that the zero-dimensional components are indeed torsion. The main result is used to derive further obstructions for a group to be the fundamental group of a quasi-projective manifold."},"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":"1005.4761","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2010-05-26T08:56:37Z","cross_cats_sorted":[],"title_canon_sha256":"4ad10a3a6ef45d654e0f0af90ae39c75bb4bd0aed0d258c9bcec8589d35f32a2","abstract_canon_sha256":"4be810f6b5425f2413ae3fe368323777bf6c40123b9a913f29f1b149d7ba8e10"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:57.175619Z","signature_b64":"ptsJHFpPEwLNObNJ4H2HLxv8DW6eRRbU1Mp309E++4ZDNgJH/zMc+3RawOCBWYIFCqtTSWd6Lw7JIrAIZsYSCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c384ea9766fbd501c08b79298b1c4ee827f7c2b1a2f4e44eb8b39605828d589b","last_reissued_at":"2026-05-18T00:16:57.174880Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:57.174880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Characteristic varieties of quasi-projective manifolds and orbifolds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Daniel Matei, Enrique Artal Bartolo, Jose Ignacio Cogolludo-Agustin","submitted_at":"2010-05-26T08:56:37Z","abstract_excerpt":"We prove that the irreducible components of the characteristic varieties of quasi-projective manifolds are either pull-backs of such components for orbifolds, or torsion points. This gives an interpretation for the so-called \\emph{translated} components of the characteristic varieties, and shows that the zero-dimensional components are indeed torsion. The main result is used to derive further obstructions for a group to be the fundamental group of a quasi-projective manifold."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.4761","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1005.4761","created_at":"2026-05-18T00:16:57.175011+00:00"},{"alias_kind":"arxiv_version","alias_value":"1005.4761v4","created_at":"2026-05-18T00:16:57.175011+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.4761","created_at":"2026-05-18T00:16:57.175011+00:00"},{"alias_kind":"pith_short_12","alias_value":"YOCOVF3G7PKQ","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_16","alias_value":"YOCOVF3G7PKQDQEL","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_8","alias_value":"YOCOVF3G","created_at":"2026-05-18T12:26:17.028572+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/YOCOVF3G7PKQDQELPEUYWHCO5A","json":"https://pith.science/pith/YOCOVF3G7PKQDQELPEUYWHCO5A.json","graph_json":"https://pith.science/api/pith-number/YOCOVF3G7PKQDQELPEUYWHCO5A/graph.json","events_json":"https://pith.science/api/pith-number/YOCOVF3G7PKQDQELPEUYWHCO5A/events.json","paper":"https://pith.science/paper/YOCOVF3G"},"agent_actions":{"view_html":"https://pith.science/pith/YOCOVF3G7PKQDQELPEUYWHCO5A","download_json":"https://pith.science/pith/YOCOVF3G7PKQDQELPEUYWHCO5A.json","view_paper":"https://pith.science/paper/YOCOVF3G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1005.4761&json=true","fetch_graph":"https://pith.science/api/pith-number/YOCOVF3G7PKQDQELPEUYWHCO5A/graph.json","fetch_events":"https://pith.science/api/pith-number/YOCOVF3G7PKQDQELPEUYWHCO5A/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YOCOVF3G7PKQDQELPEUYWHCO5A/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YOCOVF3G7PKQDQELPEUYWHCO5A/action/storage_attestation","attest_author":"https://pith.science/pith/YOCOVF3G7PKQDQELPEUYWHCO5A/action/author_attestation","sign_citation":"https://pith.science/pith/YOCOVF3G7PKQDQELPEUYWHCO5A/action/citation_signature","submit_replication":"https://pith.science/pith/YOCOVF3G7PKQDQELPEUYWHCO5A/action/replication_record"}},"created_at":"2026-05-18T00:16:57.175011+00:00","updated_at":"2026-05-18T00:16:57.175011+00:00"}