{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:2OE37ZCGPFNN2GOMU7OT23HLBZ","short_pith_number":"pith:2OE37ZCG","canonical_record":{"source":{"id":"2101.01690","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-01-05T18:31:28Z","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.stat-mech","cond-mat.str-el"],"title_canon_sha256":"0808a8160c5d4e19849ed7c80b433198952eecd13d0232d26c1175bb5e6e89d2","abstract_canon_sha256":"90e5115659178398135c9d2707d9acdb9323e8b5e39b1cfc26418a3867c13d8c"},"schema_version":"1.0"},"canonical_sha256":"d389bfe446795add19cca7dd3d6ceb0e6adf1a59d30ede0f4d4d6210781713ab","source":{"kind":"arxiv","id":"2101.01690","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.01690","created_at":"2026-07-05T03:19:04Z"},{"alias_kind":"arxiv_version","alias_value":"2101.01690v2","created_at":"2026-07-05T03:19:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.01690","created_at":"2026-07-05T03:19:04Z"},{"alias_kind":"pith_short_12","alias_value":"2OE37ZCGPFNN","created_at":"2026-07-05T03:19:04Z"},{"alias_kind":"pith_short_16","alias_value":"2OE37ZCGPFNN2GOM","created_at":"2026-07-05T03:19:04Z"},{"alias_kind":"pith_short_8","alias_value":"2OE37ZCG","created_at":"2026-07-05T03:19:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:2OE37ZCGPFNN2GOMU7OT23HLBZ","target":"record","payload":{"canonical_record":{"source":{"id":"2101.01690","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-01-05T18:31:28Z","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.stat-mech","cond-mat.str-el"],"title_canon_sha256":"0808a8160c5d4e19849ed7c80b433198952eecd13d0232d26c1175bb5e6e89d2","abstract_canon_sha256":"90e5115659178398135c9d2707d9acdb9323e8b5e39b1cfc26418a3867c13d8c"},"schema_version":"1.0"},"canonical_sha256":"d389bfe446795add19cca7dd3d6ceb0e6adf1a59d30ede0f4d4d6210781713ab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:19:04.148440Z","signature_b64":"8OZ68vriKUQZZ+lgHm3jXuqMEgkG7NYbqV8Z0TV7OIhmPE079OLsxvvfZakKJj0GKLcVgMHzY33wyRpPyhbBAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d389bfe446795add19cca7dd3d6ceb0e6adf1a59d30ede0f4d4d6210781713ab","last_reissued_at":"2026-07-05T03:19:04.147820Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:19:04.147820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.01690","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":"2026-07-05T03:19:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NYdCoEBGC4codQXPztaAKV1AC7pc2AEomHEYsw1FWi6RgWm/e/eDvyh4edNPAuDZlNRie3UFsBDmjnZ+K6tpDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T05:38:50.103537Z"},"content_sha256":"96f0cb49147916b8c8947226f8d50e2c230fc526c6ff998dc854b830d7fbfe44","schema_version":"1.0","event_id":"sha256:96f0cb49147916b8c8947226f8d50e2c230fc526c6ff998dc854b830d7fbfe44"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:2OE37ZCGPFNN2GOMU7OT23HLBZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simple Mitigation of Global Depolarizing Errors in Quantum Simulations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.quant-gas","cond-mat.stat-mech","cond-mat.str-el"],"primary_cat":"quant-ph","authors_text":"Christopher Self, Johannes Knolle, Joseph Vovrosh, Kiran E. Khosla, Myungshik Kim, Sean Greenaway","submitted_at":"2021-01-05T18:31:28Z","abstract_excerpt":"To get the best possible results from current quantum devices error mitigation is essential. In this work we present a simple but effective error mitigation technique based on the assumption that noise in a deep quantum circuit is well described by global depolarizing error channels. By measuring the errors directly on the device, we use an error model ansatz to infer error-free results from noisy data. We highlight the effectiveness of our mitigation via two examples of recent interest in quantum many-body physics: entanglement measurements and real time dynamics of confinement in quantum spi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.01690","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.01690/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":"2026-07-05T03:19:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TAnurCNpCh9Im+dk+Ng32Ucde3sMeuHOM0AvISbQ5CGgWdN414dtKlNQ53YZiSJmfb+sbpFvpBcxaediZfS6Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T05:38:50.104416Z"},"content_sha256":"0e32b47c5c70f4ddfa55c41a059a91c32043132075e3a4f60c0d7a806937bd71","schema_version":"1.0","event_id":"sha256:0e32b47c5c70f4ddfa55c41a059a91c32043132075e3a4f60c0d7a806937bd71"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2OE37ZCGPFNN2GOMU7OT23HLBZ/bundle.json","state_url":"https://pith.science/pith/2OE37ZCGPFNN2GOMU7OT23HLBZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2OE37ZCGPFNN2GOMU7OT23HLBZ/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":"2026-08-01T05:38:50Z","links":{"resolver":"https://pith.science/pith/2OE37ZCGPFNN2GOMU7OT23HLBZ","bundle":"https://pith.science/pith/2OE37ZCGPFNN2GOMU7OT23HLBZ/bundle.json","state":"https://pith.science/pith/2OE37ZCGPFNN2GOMU7OT23HLBZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2OE37ZCGPFNN2GOMU7OT23HLBZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:2OE37ZCGPFNN2GOMU7OT23HLBZ","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":"90e5115659178398135c9d2707d9acdb9323e8b5e39b1cfc26418a3867c13d8c","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.stat-mech","cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-01-05T18:31:28Z","title_canon_sha256":"0808a8160c5d4e19849ed7c80b433198952eecd13d0232d26c1175bb5e6e89d2"},"schema_version":"1.0","source":{"id":"2101.01690","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.01690","created_at":"2026-07-05T03:19:04Z"},{"alias_kind":"arxiv_version","alias_value":"2101.01690v2","created_at":"2026-07-05T03:19:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.01690","created_at":"2026-07-05T03:19:04Z"},{"alias_kind":"pith_short_12","alias_value":"2OE37ZCGPFNN","created_at":"2026-07-05T03:19:04Z"},{"alias_kind":"pith_short_16","alias_value":"2OE37ZCGPFNN2GOM","created_at":"2026-07-05T03:19:04Z"},{"alias_kind":"pith_short_8","alias_value":"2OE37ZCG","created_at":"2026-07-05T03:19:04Z"}],"graph_snapshots":[{"event_id":"sha256:0e32b47c5c70f4ddfa55c41a059a91c32043132075e3a4f60c0d7a806937bd71","target":"graph","created_at":"2026-07-05T03:19:04Z","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/2101.01690/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"To get the best possible results from current quantum devices error mitigation is essential. In this work we present a simple but effective error mitigation technique based on the assumption that noise in a deep quantum circuit is well described by global depolarizing error channels. By measuring the errors directly on the device, we use an error model ansatz to infer error-free results from noisy data. We highlight the effectiveness of our mitigation via two examples of recent interest in quantum many-body physics: entanglement measurements and real time dynamics of confinement in quantum spi","authors_text":"Christopher Self, Johannes Knolle, Joseph Vovrosh, Kiran E. Khosla, Myungshik Kim, Sean Greenaway","cross_cats":["cond-mat.quant-gas","cond-mat.stat-mech","cond-mat.str-el"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-01-05T18:31:28Z","title":"Simple Mitigation of Global Depolarizing Errors in Quantum Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.01690","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":"sha256:96f0cb49147916b8c8947226f8d50e2c230fc526c6ff998dc854b830d7fbfe44","target":"record","created_at":"2026-07-05T03:19:04Z","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":"90e5115659178398135c9d2707d9acdb9323e8b5e39b1cfc26418a3867c13d8c","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.stat-mech","cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-01-05T18:31:28Z","title_canon_sha256":"0808a8160c5d4e19849ed7c80b433198952eecd13d0232d26c1175bb5e6e89d2"},"schema_version":"1.0","source":{"id":"2101.01690","kind":"arxiv","version":2}},"canonical_sha256":"d389bfe446795add19cca7dd3d6ceb0e6adf1a59d30ede0f4d4d6210781713ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d389bfe446795add19cca7dd3d6ceb0e6adf1a59d30ede0f4d4d6210781713ab","first_computed_at":"2026-07-05T03:19:04.147820Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:19:04.147820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8OZ68vriKUQZZ+lgHm3jXuqMEgkG7NYbqV8Z0TV7OIhmPE079OLsxvvfZakKJj0GKLcVgMHzY33wyRpPyhbBAg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:19:04.148440Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.01690","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96f0cb49147916b8c8947226f8d50e2c230fc526c6ff998dc854b830d7fbfe44","sha256:0e32b47c5c70f4ddfa55c41a059a91c32043132075e3a4f60c0d7a806937bd71"],"state_sha256":"5f939175d6c7a6f5ab5d31b6d6e6bb653bc8c49956e84c1939ec3bd7493b70fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A2qDsWZSDIG81lTMHSd1ad/XOlYl9zdEti3d9cypXnwlSeOHapMveB0afyYuucAIeXuue9JsXRM9bJH4loY9DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T05:38:50.110015Z","bundle_sha256":"a65fefa836c990c9f47e5dc82602e1fb34ecf6359a3ef6beb54a1a911ec2cf76"}}