{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:Q6G63GDQLI6XDWTZ6BACEY6L7Q","short_pith_number":"pith:Q6G63GDQ","canonical_record":{"source":{"id":"1410.2628","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2014-10-09T21:09:09Z","cross_cats_sorted":["cs.ET","quant-ph"],"title_canon_sha256":"130a841e1259daa1e0333c74d0968376eb898ced34d4a3f9e8e8e106fd2bf8c4","abstract_canon_sha256":"a4c369b0f0db83ee71d7c9dc049f4a5e1092ec4e848ecd21ad75decab1440696"},"schema_version":"1.0"},"canonical_sha256":"878ded98705a3d71da79f0402263cbfc20bbe8ae16cf3759246cb0cab1ab7830","source":{"kind":"arxiv","id":"1410.2628","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2628","created_at":"2026-05-18T02:39:47Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2628v2","created_at":"2026-05-18T02:39:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2628","created_at":"2026-05-18T02:39:47Z"},{"alias_kind":"pith_short_12","alias_value":"Q6G63GDQLI6X","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"Q6G63GDQLI6XDWTZ","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"Q6G63GDQ","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:Q6G63GDQLI6XDWTZ6BACEY6L7Q","target":"record","payload":{"canonical_record":{"source":{"id":"1410.2628","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2014-10-09T21:09:09Z","cross_cats_sorted":["cs.ET","quant-ph"],"title_canon_sha256":"130a841e1259daa1e0333c74d0968376eb898ced34d4a3f9e8e8e106fd2bf8c4","abstract_canon_sha256":"a4c369b0f0db83ee71d7c9dc049f4a5e1092ec4e848ecd21ad75decab1440696"},"schema_version":"1.0"},"canonical_sha256":"878ded98705a3d71da79f0402263cbfc20bbe8ae16cf3759246cb0cab1ab7830","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:47.763485Z","signature_b64":"nBXyPjYUcOcqWcc+Gtc9vHwRpACgQ5QflXWWBVnhCbDh9Tz/5diAgVrjs6meXv4UdUOYA1eu1JTcs1V6f0nPCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"878ded98705a3d71da79f0402263cbfc20bbe8ae16cf3759246cb0cab1ab7830","last_reissued_at":"2026-05-18T02:39:47.762924Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:47.762924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.2628","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:39:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UdZ5G8uXyfUCU65H2H5S5c1+FjsWPngPABhRACfa7p0fztaXjaMdboEXuxLEQ1717V4YWO8eibePGOq1Xhl2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:39:59.892997Z"},"content_sha256":"da8384355673d8bc2cc6d6135f3c1ab2b032691e8d1b6d33bd786b487867ba0f","schema_version":"1.0","event_id":"sha256:da8384355673d8bc2cc6d6135f3c1ab2b032691e8d1b6d33bd786b487867ba0f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:Q6G63GDQLI6XDWTZ6BACEY6L7Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Algorithm engineering for a quantum annealing platform","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET","quant-ph"],"primary_cat":"cs.DS","authors_text":"Andrew D. King, Catherine C. McGeoch","submitted_at":"2014-10-09T21:09:09Z","abstract_excerpt":"Recent advances bring within reach the viability of solving combinatorial problems using a quantum annealing algorithm implemented on a purpose-built platform that exploits quantum properties. However, the question of how to tune the algorithm for most effective use in this framework is not well understood. In this paper we describe some operational parameters that drive performance, discuss approaches for mitigating sources of error, and present experimental results from a D-Wave Two quantum annealing processor."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2628","kind":"arxiv","version":2},"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":"2026-05-18T02:39:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"76FzcSBYmPe2mKPKu1Y9Sm/6DMlDpi+SBK/2+Wnvxq23fhz5dzeBgIdPJme2sXCqN2pHv+9iu3pL1Irl6a2MCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:39:59.893355Z"},"content_sha256":"6b846978a75b0789b9cbfefa2033427ee6223128410b5990649efe3156e6576e","schema_version":"1.0","event_id":"sha256:6b846978a75b0789b9cbfefa2033427ee6223128410b5990649efe3156e6576e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q6G63GDQLI6XDWTZ6BACEY6L7Q/bundle.json","state_url":"https://pith.science/pith/Q6G63GDQLI6XDWTZ6BACEY6L7Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q6G63GDQLI6XDWTZ6BACEY6L7Q/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":"2026-05-30T08:39:59Z","links":{"resolver":"https://pith.science/pith/Q6G63GDQLI6XDWTZ6BACEY6L7Q","bundle":"https://pith.science/pith/Q6G63GDQLI6XDWTZ6BACEY6L7Q/bundle.json","state":"https://pith.science/pith/Q6G63GDQLI6XDWTZ6BACEY6L7Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q6G63GDQLI6XDWTZ6BACEY6L7Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Q6G63GDQLI6XDWTZ6BACEY6L7Q","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":"a4c369b0f0db83ee71d7c9dc049f4a5e1092ec4e848ecd21ad75decab1440696","cross_cats_sorted":["cs.ET","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2014-10-09T21:09:09Z","title_canon_sha256":"130a841e1259daa1e0333c74d0968376eb898ced34d4a3f9e8e8e106fd2bf8c4"},"schema_version":"1.0","source":{"id":"1410.2628","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2628","created_at":"2026-05-18T02:39:47Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2628v2","created_at":"2026-05-18T02:39:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2628","created_at":"2026-05-18T02:39:47Z"},{"alias_kind":"pith_short_12","alias_value":"Q6G63GDQLI6X","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"Q6G63GDQLI6XDWTZ","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"Q6G63GDQ","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:6b846978a75b0789b9cbfefa2033427ee6223128410b5990649efe3156e6576e","target":"graph","created_at":"2026-05-18T02:39:47Z","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":"Recent advances bring within reach the viability of solving combinatorial problems using a quantum annealing algorithm implemented on a purpose-built platform that exploits quantum properties. However, the question of how to tune the algorithm for most effective use in this framework is not well understood. In this paper we describe some operational parameters that drive performance, discuss approaches for mitigating sources of error, and present experimental results from a D-Wave Two quantum annealing processor.","authors_text":"Andrew D. King, Catherine C. McGeoch","cross_cats":["cs.ET","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2014-10-09T21:09:09Z","title":"Algorithm engineering for a quantum annealing platform"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2628","kind":"arxiv","version":2},"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:da8384355673d8bc2cc6d6135f3c1ab2b032691e8d1b6d33bd786b487867ba0f","target":"record","created_at":"2026-05-18T02:39:47Z","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":"a4c369b0f0db83ee71d7c9dc049f4a5e1092ec4e848ecd21ad75decab1440696","cross_cats_sorted":["cs.ET","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DS","submitted_at":"2014-10-09T21:09:09Z","title_canon_sha256":"130a841e1259daa1e0333c74d0968376eb898ced34d4a3f9e8e8e106fd2bf8c4"},"schema_version":"1.0","source":{"id":"1410.2628","kind":"arxiv","version":2}},"canonical_sha256":"878ded98705a3d71da79f0402263cbfc20bbe8ae16cf3759246cb0cab1ab7830","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"878ded98705a3d71da79f0402263cbfc20bbe8ae16cf3759246cb0cab1ab7830","first_computed_at":"2026-05-18T02:39:47.762924Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:47.762924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nBXyPjYUcOcqWcc+Gtc9vHwRpACgQ5QflXWWBVnhCbDh9Tz/5diAgVrjs6meXv4UdUOYA1eu1JTcs1V6f0nPCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:47.763485Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.2628","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da8384355673d8bc2cc6d6135f3c1ab2b032691e8d1b6d33bd786b487867ba0f","sha256:6b846978a75b0789b9cbfefa2033427ee6223128410b5990649efe3156e6576e"],"state_sha256":"7ab18fa2348ba61325eabd86cacc0077996af3d50b3831c68bcd3982ef1dbe16"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xABQSY2ZvKX7bPxMa4ngyZN+xofcCSA0JfksiEV/plR+lyP1C1QP2tGa7CK59Vd+eHfKwLgCj3npwpeBmwszCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T08:39:59.895357Z","bundle_sha256":"27f5eadc925b176ba65a5cc5c93aa20ef33e927df9c7f0e03a50e18d334584ea"}}