{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ORW4CTQGZEVSER3FCB77HX3BXE","short_pith_number":"pith:ORW4CTQG","canonical_record":{"source":{"id":"1903.07056","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-17T10:47:38Z","cross_cats_sorted":[],"title_canon_sha256":"dadfd7c654489ab007f47143ec1a4a51c7bfcdc0609cb5ae65fa185f5adadcd9","abstract_canon_sha256":"f427fdb345a3a532cadded8b75140d30f195abd502631bd49455890d4a78ada3"},"schema_version":"1.0"},"canonical_sha256":"746dc14e06c92b224765107ff3df61b92df672effcbe9c29fe7a856ac0dcbd8c","source":{"kind":"arxiv","id":"1903.07056","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.07056","created_at":"2026-07-05T00:24:26Z"},{"alias_kind":"arxiv_version","alias_value":"1903.07056v1","created_at":"2026-07-05T00:24:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.07056","created_at":"2026-07-05T00:24:26Z"},{"alias_kind":"pith_short_12","alias_value":"ORW4CTQGZEVS","created_at":"2026-07-05T00:24:26Z"},{"alias_kind":"pith_short_16","alias_value":"ORW4CTQGZEVSER3F","created_at":"2026-07-05T00:24:26Z"},{"alias_kind":"pith_short_8","alias_value":"ORW4CTQG","created_at":"2026-07-05T00:24:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ORW4CTQGZEVSER3FCB77HX3BXE","target":"record","payload":{"canonical_record":{"source":{"id":"1903.07056","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-17T10:47:38Z","cross_cats_sorted":[],"title_canon_sha256":"dadfd7c654489ab007f47143ec1a4a51c7bfcdc0609cb5ae65fa185f5adadcd9","abstract_canon_sha256":"f427fdb345a3a532cadded8b75140d30f195abd502631bd49455890d4a78ada3"},"schema_version":"1.0"},"canonical_sha256":"746dc14e06c92b224765107ff3df61b92df672effcbe9c29fe7a856ac0dcbd8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:24:26.034418Z","signature_b64":"XqG5XESdwCwfM3SDpT2l0bKIDN4gjPvt/BrCFEAIVgU407r4k+qCyHwHudqhQJigN6lEexSFEs1SGutws/TTDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"746dc14e06c92b224765107ff3df61b92df672effcbe9c29fe7a856ac0dcbd8c","last_reissued_at":"2026-07-05T00:24:26.033929Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:24:26.033929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.07056","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":"2026-07-05T00:24:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9eXNlV3i+UqDLGKafOk3j4co8urv0A1hAYqCJJjUfOB8+Z2If8gRtT6wk+OyHsriahCnpI7SU1Bqn2pzUEtEAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:47:46.140772Z"},"content_sha256":"8628ae672fee1970615e3864ea35b8d6182e58d45ac01f12edbfbe66a2d1c156","schema_version":"1.0","event_id":"sha256:8628ae672fee1970615e3864ea35b8d6182e58d45ac01f12edbfbe66a2d1c156"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ORW4CTQGZEVSER3FCB77HX3BXE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Disorder-assisted graph coloring on quantum annealers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Andrzej Wi\\k{e}ckowski, Bart{\\l}omiej Gardas, Sebastian Deffner","submitted_at":"2019-03-17T10:47:38Z","abstract_excerpt":"We are at the verge of a new era, which will be dominated by Noisy Intermediate-Scale Quantum Devices. Prototypical examples for these new technologies are present-day quantum annealers. In the present work, we investigate to what extent static disorder generated by an external source of noise does not have to be detrimental, but can actually assist quantum annealers in achieving better performance. In particular, we analyze the graph coloring problem that can be solved on a sparse topology (i.e. chimera graph) via suitable embedding. We show that specifically tailored disorder can enhance the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.07056","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/1903.07056/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":"2026-07-05T00:24:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q7izBVXd6xZ/LdvGcVf4yO/Zfg3q/Y3GC44div9++T2ecIbBNgSWYhvCkpxBL9hXBEWx/SxOqIkw9h4foDabAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:47:46.141130Z"},"content_sha256":"5d784711264b6229bf2f11ed7e32232f24f05e44071ea94cfc4e56aaaeb2e90f","schema_version":"1.0","event_id":"sha256:5d784711264b6229bf2f11ed7e32232f24f05e44071ea94cfc4e56aaaeb2e90f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ORW4CTQGZEVSER3FCB77HX3BXE/bundle.json","state_url":"https://pith.science/pith/ORW4CTQGZEVSER3FCB77HX3BXE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ORW4CTQGZEVSER3FCB77HX3BXE/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":"2026-07-07T08:47:46Z","links":{"resolver":"https://pith.science/pith/ORW4CTQGZEVSER3FCB77HX3BXE","bundle":"https://pith.science/pith/ORW4CTQGZEVSER3FCB77HX3BXE/bundle.json","state":"https://pith.science/pith/ORW4CTQGZEVSER3FCB77HX3BXE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ORW4CTQGZEVSER3FCB77HX3BXE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ORW4CTQGZEVSER3FCB77HX3BXE","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":"f427fdb345a3a532cadded8b75140d30f195abd502631bd49455890d4a78ada3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-17T10:47:38Z","title_canon_sha256":"dadfd7c654489ab007f47143ec1a4a51c7bfcdc0609cb5ae65fa185f5adadcd9"},"schema_version":"1.0","source":{"id":"1903.07056","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.07056","created_at":"2026-07-05T00:24:26Z"},{"alias_kind":"arxiv_version","alias_value":"1903.07056v1","created_at":"2026-07-05T00:24:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.07056","created_at":"2026-07-05T00:24:26Z"},{"alias_kind":"pith_short_12","alias_value":"ORW4CTQGZEVS","created_at":"2026-07-05T00:24:26Z"},{"alias_kind":"pith_short_16","alias_value":"ORW4CTQGZEVSER3F","created_at":"2026-07-05T00:24:26Z"},{"alias_kind":"pith_short_8","alias_value":"ORW4CTQG","created_at":"2026-07-05T00:24:26Z"}],"graph_snapshots":[{"event_id":"sha256:5d784711264b6229bf2f11ed7e32232f24f05e44071ea94cfc4e56aaaeb2e90f","target":"graph","created_at":"2026-07-05T00:24:26Z","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/1903.07056/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We are at the verge of a new era, which will be dominated by Noisy Intermediate-Scale Quantum Devices. Prototypical examples for these new technologies are present-day quantum annealers. In the present work, we investigate to what extent static disorder generated by an external source of noise does not have to be detrimental, but can actually assist quantum annealers in achieving better performance. In particular, we analyze the graph coloring problem that can be solved on a sparse topology (i.e. chimera graph) via suitable embedding. We show that specifically tailored disorder can enhance the","authors_text":"Andrzej Wi\\k{e}ckowski, Bart{\\l}omiej Gardas, Sebastian Deffner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-17T10:47:38Z","title":"Disorder-assisted graph coloring on quantum annealers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.07056","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":"sha256:8628ae672fee1970615e3864ea35b8d6182e58d45ac01f12edbfbe66a2d1c156","target":"record","created_at":"2026-07-05T00:24:26Z","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":"f427fdb345a3a532cadded8b75140d30f195abd502631bd49455890d4a78ada3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-17T10:47:38Z","title_canon_sha256":"dadfd7c654489ab007f47143ec1a4a51c7bfcdc0609cb5ae65fa185f5adadcd9"},"schema_version":"1.0","source":{"id":"1903.07056","kind":"arxiv","version":1}},"canonical_sha256":"746dc14e06c92b224765107ff3df61b92df672effcbe9c29fe7a856ac0dcbd8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"746dc14e06c92b224765107ff3df61b92df672effcbe9c29fe7a856ac0dcbd8c","first_computed_at":"2026-07-05T00:24:26.033929Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:24:26.033929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XqG5XESdwCwfM3SDpT2l0bKIDN4gjPvt/BrCFEAIVgU407r4k+qCyHwHudqhQJigN6lEexSFEs1SGutws/TTDw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:24:26.034418Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.07056","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8628ae672fee1970615e3864ea35b8d6182e58d45ac01f12edbfbe66a2d1c156","sha256:5d784711264b6229bf2f11ed7e32232f24f05e44071ea94cfc4e56aaaeb2e90f"],"state_sha256":"9ea13c75076e3474cdfa3df292538276306416a9c24fd89a3cf2d035e0bc06b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yeQTSmh4h2ZTw5WUvO1YeMNwWXHbCNJEbxZRfwdn1H56P3VGkAJPbCELXoqcHXK1fnrFvJ/DKIouEapoKzqKDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:47:46.142934Z","bundle_sha256":"ffabf87571c178d314d8341c308b0bf399f8bf55b12e4108438c0ad6dd196099"}}