{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:QB37V4BLC4NYGD35UX4ESV4HOZ","short_pith_number":"pith:QB37V4BL","schema_version":"1.0","canonical_sha256":"8077faf02b171b830f7da5f8495787765b37251b5fa016075a856046173a94d0","source":{"kind":"arxiv","id":"2508.17479","version":1},"attestation_state":"computed","paper":{"title":"Analog Secure Distributed Matrix Multiplication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Camilla Hollanti, Okko Makkonen","submitted_at":"2025-08-24T18:08:54Z","abstract_excerpt":"In this paper, we present secure distributed matrix multiplication (SDMM) schemes over the complex numbers with good numerical stability and small mutual information leakage by utilizing polynomial interpolation with roots of unity. Furthermore, we give constructions utilizing the real numbers by first encoding the real matrices to smaller complex matrices using a technique we call complexification. These schemes over the real numbers enjoy many of the benefits of the schemes over the complex numbers, including good numerical stability, but are computationally more efficient. To analyze the nu"},"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":"2508.17479","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2025-08-24T18:08:54Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"b452544c60a875c65459f30550cd7a17f0ee1aee7ab55c0b72f4e34ec2dae480","abstract_canon_sha256":"66937e7086aaa303a067be4aa735dd385611b6ca0f003a6996387b02c17e12d4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:58:42.186751Z","signature_b64":"LTDMXVxBN48Ft01loLgsjwLN7PPlzkzCQ1982qdzwtt9GlJjZjLzbrQqLvuZOdff7fZiq3PCecAOIgJqBRXXBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8077faf02b171b830f7da5f8495787765b37251b5fa016075a856046173a94d0","last_reissued_at":"2026-07-05T11:58:42.186361Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:58:42.186361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Analog Secure Distributed Matrix Multiplication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Camilla Hollanti, Okko Makkonen","submitted_at":"2025-08-24T18:08:54Z","abstract_excerpt":"In this paper, we present secure distributed matrix multiplication (SDMM) schemes over the complex numbers with good numerical stability and small mutual information leakage by utilizing polynomial interpolation with roots of unity. Furthermore, we give constructions utilizing the real numbers by first encoding the real matrices to smaller complex matrices using a technique we call complexification. These schemes over the real numbers enjoy many of the benefits of the schemes over the complex numbers, including good numerical stability, but are computationally more efficient. To analyze the nu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.17479","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/2508.17479/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":"2508.17479","created_at":"2026-07-05T11:58:42.186418+00:00"},{"alias_kind":"arxiv_version","alias_value":"2508.17479v1","created_at":"2026-07-05T11:58:42.186418+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.17479","created_at":"2026-07-05T11:58:42.186418+00:00"},{"alias_kind":"pith_short_12","alias_value":"QB37V4BLC4NY","created_at":"2026-07-05T11:58:42.186418+00:00"},{"alias_kind":"pith_short_16","alias_value":"QB37V4BLC4NYGD35","created_at":"2026-07-05T11:58:42.186418+00:00"},{"alias_kind":"pith_short_8","alias_value":"QB37V4BL","created_at":"2026-07-05T11:58:42.186418+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/QB37V4BLC4NYGD35UX4ESV4HOZ","json":"https://pith.science/pith/QB37V4BLC4NYGD35UX4ESV4HOZ.json","graph_json":"https://pith.science/api/pith-number/QB37V4BLC4NYGD35UX4ESV4HOZ/graph.json","events_json":"https://pith.science/api/pith-number/QB37V4BLC4NYGD35UX4ESV4HOZ/events.json","paper":"https://pith.science/paper/QB37V4BL"},"agent_actions":{"view_html":"https://pith.science/pith/QB37V4BLC4NYGD35UX4ESV4HOZ","download_json":"https://pith.science/pith/QB37V4BLC4NYGD35UX4ESV4HOZ.json","view_paper":"https://pith.science/paper/QB37V4BL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2508.17479&json=true","fetch_graph":"https://pith.science/api/pith-number/QB37V4BLC4NYGD35UX4ESV4HOZ/graph.json","fetch_events":"https://pith.science/api/pith-number/QB37V4BLC4NYGD35UX4ESV4HOZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QB37V4BLC4NYGD35UX4ESV4HOZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QB37V4BLC4NYGD35UX4ESV4HOZ/action/storage_attestation","attest_author":"https://pith.science/pith/QB37V4BLC4NYGD35UX4ESV4HOZ/action/author_attestation","sign_citation":"https://pith.science/pith/QB37V4BLC4NYGD35UX4ESV4HOZ/action/citation_signature","submit_replication":"https://pith.science/pith/QB37V4BLC4NYGD35UX4ESV4HOZ/action/replication_record"}},"created_at":"2026-07-05T11:58:42.186418+00:00","updated_at":"2026-07-05T11:58:42.186418+00:00"}