{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:4ZGULRU5GI66MR3PG2NJN6TPH3","short_pith_number":"pith:4ZGULRU5","canonical_record":{"source":{"id":"1705.01843","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T13:59:43Z","cross_cats_sorted":["cs.CC","cs.DS"],"title_canon_sha256":"312822fb97f57820c8a66648e44f70d72fc0a5ede6e54ef12dd9453c87b6f2fe","abstract_canon_sha256":"080709f2b24280425c98938baa8a012c4600ff6ebc09bbdb2f81a50e66ea8859"},"schema_version":"1.0"},"canonical_sha256":"e64d45c69d323de6476f369a96fa6f3ee3a9ab9513e750287ef3011882c0466d","source":{"kind":"arxiv","id":"1705.01843","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.01843","created_at":"2026-07-05T00:41:21Z"},{"alias_kind":"arxiv_version","alias_value":"1705.01843v4","created_at":"2026-07-05T00:41:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.01843","created_at":"2026-07-05T00:41:21Z"},{"alias_kind":"pith_short_12","alias_value":"4ZGULRU5GI66","created_at":"2026-07-05T00:41:21Z"},{"alias_kind":"pith_short_16","alias_value":"4ZGULRU5GI66MR3P","created_at":"2026-07-05T00:41:21Z"},{"alias_kind":"pith_short_8","alias_value":"4ZGULRU5","created_at":"2026-07-05T00:41:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:4ZGULRU5GI66MR3PG2NJN6TPH3","target":"record","payload":{"canonical_record":{"source":{"id":"1705.01843","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T13:59:43Z","cross_cats_sorted":["cs.CC","cs.DS"],"title_canon_sha256":"312822fb97f57820c8a66648e44f70d72fc0a5ede6e54ef12dd9453c87b6f2fe","abstract_canon_sha256":"080709f2b24280425c98938baa8a012c4600ff6ebc09bbdb2f81a50e66ea8859"},"schema_version":"1.0"},"canonical_sha256":"e64d45c69d323de6476f369a96fa6f3ee3a9ab9513e750287ef3011882c0466d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:41:21.306243Z","signature_b64":"nunVNE+dp+aXeWR97RXMcUamaVRfe7R+vgy4K9qCafP7iedi6atgWuoCHaEfJ1rSlxDR3Xlc472FRy98T5oPDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e64d45c69d323de6476f369a96fa6f3ee3a9ab9513e750287ef3011882c0466d","last_reissued_at":"2026-07-05T00:41:21.305811Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:41:21.305811Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.01843","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:41:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xVFc0VJN3qXR7Rr7WoFy5/WopZZ15nPaD4VhYs6n/o+1pY0gTTTxASwBXPZ/HmwToiR05sJtW3Jen3jHrXfEBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:17:42.550929Z"},"content_sha256":"fe1d3fcee7c5756ab6f51e03cb492df4abbe8668d710d101662d2a34ef852b5b","schema_version":"1.0","event_id":"sha256:fe1d3fcee7c5756ab6f51e03cb492df4abbe8668d710d101662d2a34ef852b5b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:4ZGULRU5GI66MR3PG2NJN6TPH3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum SDP-Solvers: Better upper and lower bounds","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CC","cs.DS"],"primary_cat":"quant-ph","authors_text":"Andr\\'as Gily\\'en, Joran van Apeldoorn, Ronald de Wolf, Sander Gribling","submitted_at":"2017-05-04T13:59:43Z","abstract_excerpt":"Brand\\~ao and Svore very recently gave quantum algorithms for approximately solving semidefinite programs, which in some regimes are faster than the best-possible classical algorithms in terms of the dimension $n$ of the problem and the number $m$ of constraints, but worse in terms of various other parameters. In this paper we improve their algorithms in several ways, getting better dependence on those other parameters. To this end we develop new techniques for quantum algorithms, for instance a general way to efficiently implement smooth functions of sparse Hamiltonians, and a generalized min"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.01843","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1705.01843/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:41:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c4S8e8l5akJUNgV3tqqEsEGeZOozCTw1WOD8w+HfQxAeg6DiiAKBdO1iue7X7i6IYPByEim6rcbwIl716NtzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:17:42.551432Z"},"content_sha256":"9bb14bd9cf41c0601b84dbc19ddf9ad7f758309366572af5f82ca816ef0121f4","schema_version":"1.0","event_id":"sha256:9bb14bd9cf41c0601b84dbc19ddf9ad7f758309366572af5f82ca816ef0121f4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ZGULRU5GI66MR3PG2NJN6TPH3/bundle.json","state_url":"https://pith.science/pith/4ZGULRU5GI66MR3PG2NJN6TPH3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ZGULRU5GI66MR3PG2NJN6TPH3/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":"2026-08-05T07:17:42Z","links":{"resolver":"https://pith.science/pith/4ZGULRU5GI66MR3PG2NJN6TPH3","bundle":"https://pith.science/pith/4ZGULRU5GI66MR3PG2NJN6TPH3/bundle.json","state":"https://pith.science/pith/4ZGULRU5GI66MR3PG2NJN6TPH3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ZGULRU5GI66MR3PG2NJN6TPH3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4ZGULRU5GI66MR3PG2NJN6TPH3","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":"080709f2b24280425c98938baa8a012c4600ff6ebc09bbdb2f81a50e66ea8859","cross_cats_sorted":["cs.CC","cs.DS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T13:59:43Z","title_canon_sha256":"312822fb97f57820c8a66648e44f70d72fc0a5ede6e54ef12dd9453c87b6f2fe"},"schema_version":"1.0","source":{"id":"1705.01843","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.01843","created_at":"2026-07-05T00:41:21Z"},{"alias_kind":"arxiv_version","alias_value":"1705.01843v4","created_at":"2026-07-05T00:41:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.01843","created_at":"2026-07-05T00:41:21Z"},{"alias_kind":"pith_short_12","alias_value":"4ZGULRU5GI66","created_at":"2026-07-05T00:41:21Z"},{"alias_kind":"pith_short_16","alias_value":"4ZGULRU5GI66MR3P","created_at":"2026-07-05T00:41:21Z"},{"alias_kind":"pith_short_8","alias_value":"4ZGULRU5","created_at":"2026-07-05T00:41:21Z"}],"graph_snapshots":[{"event_id":"sha256:9bb14bd9cf41c0601b84dbc19ddf9ad7f758309366572af5f82ca816ef0121f4","target":"graph","created_at":"2026-07-05T00:41:21Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1705.01843/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Brand\\~ao and Svore very recently gave quantum algorithms for approximately solving semidefinite programs, which in some regimes are faster than the best-possible classical algorithms in terms of the dimension $n$ of the problem and the number $m$ of constraints, but worse in terms of various other parameters. In this paper we improve their algorithms in several ways, getting better dependence on those other parameters. To this end we develop new techniques for quantum algorithms, for instance a general way to efficiently implement smooth functions of sparse Hamiltonians, and a generalized min","authors_text":"Andr\\'as Gily\\'en, Joran van Apeldoorn, Ronald de Wolf, Sander Gribling","cross_cats":["cs.CC","cs.DS"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T13:59:43Z","title":"Quantum SDP-Solvers: Better upper and lower bounds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.01843","kind":"arxiv","version":4},"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:fe1d3fcee7c5756ab6f51e03cb492df4abbe8668d710d101662d2a34ef852b5b","target":"record","created_at":"2026-07-05T00:41:21Z","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":"080709f2b24280425c98938baa8a012c4600ff6ebc09bbdb2f81a50e66ea8859","cross_cats_sorted":["cs.CC","cs.DS"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T13:59:43Z","title_canon_sha256":"312822fb97f57820c8a66648e44f70d72fc0a5ede6e54ef12dd9453c87b6f2fe"},"schema_version":"1.0","source":{"id":"1705.01843","kind":"arxiv","version":4}},"canonical_sha256":"e64d45c69d323de6476f369a96fa6f3ee3a9ab9513e750287ef3011882c0466d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e64d45c69d323de6476f369a96fa6f3ee3a9ab9513e750287ef3011882c0466d","first_computed_at":"2026-07-05T00:41:21.305811Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:41:21.305811Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nunVNE+dp+aXeWR97RXMcUamaVRfe7R+vgy4K9qCafP7iedi6atgWuoCHaEfJ1rSlxDR3Xlc472FRy98T5oPDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:41:21.306243Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.01843","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe1d3fcee7c5756ab6f51e03cb492df4abbe8668d710d101662d2a34ef852b5b","sha256:9bb14bd9cf41c0601b84dbc19ddf9ad7f758309366572af5f82ca816ef0121f4"],"state_sha256":"378734b8c6565a2292ac37d2dd618d3f319563691d6b98b898f562b1c619aadb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a9c6928MAPpza9Fl7k7tpmXkWPk2BHb9KUx2th0tB2VAXGxLdMJdfz4oP+qBgA2uP67rOFuH9UYNGIeY2L7tCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T07:17:42.558270Z","bundle_sha256":"09a77f6c8be575948a2b448b385e64eba2be5a1d293a25fecdad1b900f622194"}}