{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:A7WXZMB7PMN2C6GQF4CTMKQDXL","short_pith_number":"pith:A7WXZMB7","canonical_record":{"source":{"id":"1311.2335","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2013-11-11T02:38:44Z","cross_cats_sorted":["math.OC"],"title_canon_sha256":"154327a4a2f3e08d69cbba10141a000d865581419fdff83be6fd783ed7720369","abstract_canon_sha256":"f13c51520f83e32e02e6ef1650ab01f18af49ab78388c798ddaef36e35e0ccb5"},"schema_version":"1.0"},"canonical_sha256":"07ed7cb03f7b1ba178d02f05362a03bac6c594484b8d777f32fe5d674e649044","source":{"kind":"arxiv","id":"1311.2335","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2335","created_at":"2026-05-18T03:07:32Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2335v1","created_at":"2026-05-18T03:07:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2335","created_at":"2026-05-18T03:07:32Z"},{"alias_kind":"pith_short_12","alias_value":"A7WXZMB7PMN2","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"A7WXZMB7PMN2C6GQ","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"A7WXZMB7","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:A7WXZMB7PMN2C6GQF4CTMKQDXL","target":"record","payload":{"canonical_record":{"source":{"id":"1311.2335","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2013-11-11T02:38:44Z","cross_cats_sorted":["math.OC"],"title_canon_sha256":"154327a4a2f3e08d69cbba10141a000d865581419fdff83be6fd783ed7720369","abstract_canon_sha256":"f13c51520f83e32e02e6ef1650ab01f18af49ab78388c798ddaef36e35e0ccb5"},"schema_version":"1.0"},"canonical_sha256":"07ed7cb03f7b1ba178d02f05362a03bac6c594484b8d777f32fe5d674e649044","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:07:32.929760Z","signature_b64":"xCmqvx0NApAbe3ZR6jg/AnQl6WMMc3iCW9HFRo8AV9ymw6YUVy8vnN5l3EAMC6RB7GKwZtgRMV7aF90AFfucDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07ed7cb03f7b1ba178d02f05362a03bac6c594484b8d777f32fe5d674e649044","last_reissued_at":"2026-05-18T03:07:32.929370Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:07:32.929370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.2335","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:07:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EmTOquK8n9dTTtcIIlhbaoThY2jBZ7E+tpoR+thrTpY/SIYMq7nBMxMpq/IxYGhedQKoXo2lLy7Ixvr6rCdODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T21:35:04.658742Z"},"content_sha256":"a509935bbdea2a9671d84b3792b4e7818a5fa196160b82ed4dd66021a63db947","schema_version":"1.0","event_id":"sha256:a509935bbdea2a9671d84b3792b4e7818a5fa196160b82ed4dd66021a63db947"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:A7WXZMB7PMN2C6GQF4CTMKQDXL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A First-Order Algorithm for the A-Optimal Experimental Design Problem: A Mathematical Programming Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.OC"],"primary_cat":"stat.CO","authors_text":"Selin Damla Ahipasaoglu","submitted_at":"2013-11-11T02:38:44Z","abstract_excerpt":"We develop and analyse a first-order algorithm for the A-optimal experimental design problem. The problem is first presented as a special case of a parametric family of optimal design problems for which duality results and optimality conditions are given. Then, two first-order (Frank-Wolfe type) algorithms are presented, accompanied by a detailed time-complexity analysis of the algorithms and computational results on various sized problems."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2335","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:07:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/RymFaFfDVRuOmFjPUMzMjGdQuKcgXvau7j+sIi/bY5MiUR8CbeHPHTkR/z9qP+NfrJKX8ZIjFp0ADm7ncoxDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T21:35:04.659090Z"},"content_sha256":"eda32be2f82e09aed6e87b829cab447a164b78b4cbf1b1bb7e45d1e2f4720a63","schema_version":"1.0","event_id":"sha256:eda32be2f82e09aed6e87b829cab447a164b78b4cbf1b1bb7e45d1e2f4720a63"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A7WXZMB7PMN2C6GQF4CTMKQDXL/bundle.json","state_url":"https://pith.science/pith/A7WXZMB7PMN2C6GQF4CTMKQDXL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A7WXZMB7PMN2C6GQF4CTMKQDXL/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-22T21:35:04Z","links":{"resolver":"https://pith.science/pith/A7WXZMB7PMN2C6GQF4CTMKQDXL","bundle":"https://pith.science/pith/A7WXZMB7PMN2C6GQF4CTMKQDXL/bundle.json","state":"https://pith.science/pith/A7WXZMB7PMN2C6GQF4CTMKQDXL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A7WXZMB7PMN2C6GQF4CTMKQDXL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:A7WXZMB7PMN2C6GQF4CTMKQDXL","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f13c51520f83e32e02e6ef1650ab01f18af49ab78388c798ddaef36e35e0ccb5","cross_cats_sorted":["math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2013-11-11T02:38:44Z","title_canon_sha256":"154327a4a2f3e08d69cbba10141a000d865581419fdff83be6fd783ed7720369"},"schema_version":"1.0","source":{"id":"1311.2335","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2335","created_at":"2026-05-18T03:07:32Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2335v1","created_at":"2026-05-18T03:07:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2335","created_at":"2026-05-18T03:07:32Z"},{"alias_kind":"pith_short_12","alias_value":"A7WXZMB7PMN2","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"A7WXZMB7PMN2C6GQ","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"A7WXZMB7","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:eda32be2f82e09aed6e87b829cab447a164b78b4cbf1b1bb7e45d1e2f4720a63","target":"graph","created_at":"2026-05-18T03:07:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We develop and analyse a first-order algorithm for the A-optimal experimental design problem. The problem is first presented as a special case of a parametric family of optimal design problems for which duality results and optimality conditions are given. Then, two first-order (Frank-Wolfe type) algorithms are presented, accompanied by a detailed time-complexity analysis of the algorithms and computational results on various sized problems.","authors_text":"Selin Damla Ahipasaoglu","cross_cats":["math.OC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2013-11-11T02:38:44Z","title":"A First-Order Algorithm for the A-Optimal Experimental Design Problem: A Mathematical Programming Approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2335","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a509935bbdea2a9671d84b3792b4e7818a5fa196160b82ed4dd66021a63db947","target":"record","created_at":"2026-05-18T03:07:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f13c51520f83e32e02e6ef1650ab01f18af49ab78388c798ddaef36e35e0ccb5","cross_cats_sorted":["math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2013-11-11T02:38:44Z","title_canon_sha256":"154327a4a2f3e08d69cbba10141a000d865581419fdff83be6fd783ed7720369"},"schema_version":"1.0","source":{"id":"1311.2335","kind":"arxiv","version":1}},"canonical_sha256":"07ed7cb03f7b1ba178d02f05362a03bac6c594484b8d777f32fe5d674e649044","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07ed7cb03f7b1ba178d02f05362a03bac6c594484b8d777f32fe5d674e649044","first_computed_at":"2026-05-18T03:07:32.929370Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:32.929370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xCmqvx0NApAbe3ZR6jg/AnQl6WMMc3iCW9HFRo8AV9ymw6YUVy8vnN5l3EAMC6RB7GKwZtgRMV7aF90AFfucDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:32.929760Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.2335","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a509935bbdea2a9671d84b3792b4e7818a5fa196160b82ed4dd66021a63db947","sha256:eda32be2f82e09aed6e87b829cab447a164b78b4cbf1b1bb7e45d1e2f4720a63"],"state_sha256":"2394559a7b0d4db205ed43239b003b833488db0736da5d0becb8f6fdbd2d3b8a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mw3XPtXPHjpe9ZhQ2CoU2rcJR+wjmlOVPX5VcLPZHv4ymDdw/6bTeRuxnxZcXh/GhA5h4Cr0FZwaBUp+4mDBCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T21:35:04.661154Z","bundle_sha256":"2e65982c795286c90ed6560f7cd82de14bfcde6b3fff106873768cc49dd63586"}}