{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:AZDFJHP2XLTTWPUISTMQWDY6FO","short_pith_number":"pith:AZDFJHP2","canonical_record":{"source":{"id":"2012.00921","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2020-12-02T01:42:20Z","cross_cats_sorted":[],"title_canon_sha256":"2c9aa61cd652224469bd2eddec4427ff146dd155c19d293625f0c9e4eb7173a2","abstract_canon_sha256":"d97f6f33f94cc00006fb1b94a5ebb4c143989b2810425e0c23cb7e98caf98dbf"},"schema_version":"1.0"},"canonical_sha256":"0646549dfabae73b3e8894d90b0f1e2b8103c0deaadb601c201b44cef1ce3726","source":{"kind":"arxiv","id":"2012.00921","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.00921","created_at":"2026-07-05T02:57:12Z"},{"alias_kind":"arxiv_version","alias_value":"2012.00921v2","created_at":"2026-07-05T02:57:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.00921","created_at":"2026-07-05T02:57:12Z"},{"alias_kind":"pith_short_12","alias_value":"AZDFJHP2XLTT","created_at":"2026-07-05T02:57:12Z"},{"alias_kind":"pith_short_16","alias_value":"AZDFJHP2XLTTWPUI","created_at":"2026-07-05T02:57:12Z"},{"alias_kind":"pith_short_8","alias_value":"AZDFJHP2","created_at":"2026-07-05T02:57:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:AZDFJHP2XLTTWPUISTMQWDY6FO","target":"record","payload":{"canonical_record":{"source":{"id":"2012.00921","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2020-12-02T01:42:20Z","cross_cats_sorted":[],"title_canon_sha256":"2c9aa61cd652224469bd2eddec4427ff146dd155c19d293625f0c9e4eb7173a2","abstract_canon_sha256":"d97f6f33f94cc00006fb1b94a5ebb4c143989b2810425e0c23cb7e98caf98dbf"},"schema_version":"1.0"},"canonical_sha256":"0646549dfabae73b3e8894d90b0f1e2b8103c0deaadb601c201b44cef1ce3726","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:57:12.242421Z","signature_b64":"vS3YnHq23R649d5+vIXSq2noHNQIys9/RY3bt6MsR6ecbYZ4kXk/jKqw0IxLOHC8f2yyYEuDAzHMpnKTVCyMAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0646549dfabae73b3e8894d90b0f1e2b8103c0deaadb601c201b44cef1ce3726","last_reissued_at":"2026-07-05T02:57:12.241885Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:57:12.241885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.00921","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":"2026-07-05T02:57:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6D3eo7r3c1TMnj+st+QDqX6B+1o9vnOozljX57+1SQHbiJZXFyRgvxWdlHsF2PbkDeZ0zZD3rPghn/g7uuJfCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:14:56.337481Z"},"content_sha256":"e202341a8319f083964410dc02b3b79102596353143de4743fb69ce07b8b048f","schema_version":"1.0","event_id":"sha256:e202341a8319f083964410dc02b3b79102596353143de4743fb69ce07b8b048f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:AZDFJHP2XLTTWPUISTMQWDY6FO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accurately computing electronic properties of a quantum ring","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Bengtsson, A. Bourassa, A. Dunsworth, A. G. Fowler, A. Ho, A. Megrant, A. N. Korotkov, A. Opremcak, A. Petukhov, A. R. Derk, A. Zalcman, B. B. Buckley, B. Burkett, B. Chiaro, B. Foxen, B. Pato, B. Villalonga, C. Erickson, C. Gidney, C. Jones, C. Neill, C. Quintana, D. A. Buell, D. Eppens, D. Kafri, D. Landhuis, D. Sank, D. Strain, E. Farhi, E. Jeffrey, E. Lucero, E. Ostby, F. Arute, F. Kostritsa, H. Neven, I. Aleiner, J. A. Gross, J. Atalaya, J. Campero, J. C. Bardin, J. Hilton, J. Kelly, J. Mutus, J. R. McClean, K. Arya, K. C. Miao, K. J. Satzinger, K. Kechedzhi, L. B. Ioffe, M. Broughton, M. D. Trevithick, M. Giustina, M. Jacob-Mitos, M. McEwen, M. Mohseni, M. Neeley, M. Newman, M. P. Harrigan, M. Szalay, M. Y. Niu, N. Bushnell, N. C. Rubin, N. Redd, O. Martin, O. Naaman, P. Laptev, P. Roushan, P. V. Klimov, P. Yeh, R. Babbush, R. Barends, R. Collins, S. Boixo, S. Demura, S. D. Harrington, S. Hong, S. Kim, S. V. Isakov, T. C. White, T. E. O'Brien, T. Huang, T. McCourt, V. Shvarts, V. Smelyanskiy, W. Courtney, W. J. Huggins, W. Mruczkiewicz, X. Mi, Y. Chen, Z. Chen, Z. Jiang, Z. Yao","submitted_at":"2020-12-02T01:42:20Z","abstract_excerpt":"A promising approach to study condensed-matter systems is to simulate them on an engineered quantum platform. However, achieving the accuracy needed to outperform classical methods has been an outstanding challenge. Here, using eighteen superconducting qubits, we provide an experimental blueprint for an accurate condensed-matter simulator and demonstrate how to probe fundamental electronic properties. We benchmark the underlying method by reconstructing the single-particle band-structure of a one-dimensional wire. We demonstrate nearly complete mitigation of decoherence and readout errors and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.00921","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/2012.00921/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":"2026-07-05T02:57:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L1koRqwGJ1bvUBRPWi4m8WbsJvxrBDs0JrCiiYxV9JxNidsukTTODHKzKZntsdr9tZEIVr4VezXRfnWa1BFvAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:14:56.337860Z"},"content_sha256":"52112064c59cc4181bf7de325a34a75b50847ce48feaf5decd864769b2e7e646","schema_version":"1.0","event_id":"sha256:52112064c59cc4181bf7de325a34a75b50847ce48feaf5decd864769b2e7e646"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AZDFJHP2XLTTWPUISTMQWDY6FO/bundle.json","state_url":"https://pith.science/pith/AZDFJHP2XLTTWPUISTMQWDY6FO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AZDFJHP2XLTTWPUISTMQWDY6FO/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":"2026-07-06T08:14:56Z","links":{"resolver":"https://pith.science/pith/AZDFJHP2XLTTWPUISTMQWDY6FO","bundle":"https://pith.science/pith/AZDFJHP2XLTTWPUISTMQWDY6FO/bundle.json","state":"https://pith.science/pith/AZDFJHP2XLTTWPUISTMQWDY6FO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AZDFJHP2XLTTWPUISTMQWDY6FO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:AZDFJHP2XLTTWPUISTMQWDY6FO","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":"d97f6f33f94cc00006fb1b94a5ebb4c143989b2810425e0c23cb7e98caf98dbf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2020-12-02T01:42:20Z","title_canon_sha256":"2c9aa61cd652224469bd2eddec4427ff146dd155c19d293625f0c9e4eb7173a2"},"schema_version":"1.0","source":{"id":"2012.00921","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.00921","created_at":"2026-07-05T02:57:12Z"},{"alias_kind":"arxiv_version","alias_value":"2012.00921v2","created_at":"2026-07-05T02:57:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.00921","created_at":"2026-07-05T02:57:12Z"},{"alias_kind":"pith_short_12","alias_value":"AZDFJHP2XLTT","created_at":"2026-07-05T02:57:12Z"},{"alias_kind":"pith_short_16","alias_value":"AZDFJHP2XLTTWPUI","created_at":"2026-07-05T02:57:12Z"},{"alias_kind":"pith_short_8","alias_value":"AZDFJHP2","created_at":"2026-07-05T02:57:12Z"}],"graph_snapshots":[{"event_id":"sha256:52112064c59cc4181bf7de325a34a75b50847ce48feaf5decd864769b2e7e646","target":"graph","created_at":"2026-07-05T02:57:12Z","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/2012.00921/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A promising approach to study condensed-matter systems is to simulate them on an engineered quantum platform. However, achieving the accuracy needed to outperform classical methods has been an outstanding challenge. Here, using eighteen superconducting qubits, we provide an experimental blueprint for an accurate condensed-matter simulator and demonstrate how to probe fundamental electronic properties. We benchmark the underlying method by reconstructing the single-particle band-structure of a one-dimensional wire. We demonstrate nearly complete mitigation of decoherence and readout errors and ","authors_text":"A. Bengtsson, A. Bourassa, A. Dunsworth, A. G. Fowler, A. Ho, A. Megrant, A. N. Korotkov, A. Opremcak, A. Petukhov, A. R. Derk, A. Zalcman, B. B. Buckley, B. Burkett, B. Chiaro, B. Foxen, B. Pato, B. Villalonga, C. Erickson, C. Gidney, C. Jones, C. Neill, C. Quintana, D. A. Buell, D. Eppens, D. Kafri, D. Landhuis, D. Sank, D. Strain, E. Farhi, E. Jeffrey, E. Lucero, E. Ostby, F. Arute, F. Kostritsa, H. Neven, I. Aleiner, J. A. Gross, J. Atalaya, J. Campero, J. C. Bardin, J. Hilton, J. Kelly, J. Mutus, J. R. McClean, K. Arya, K. C. Miao, K. J. Satzinger, K. Kechedzhi, L. B. Ioffe, M. Broughton, M. D. Trevithick, M. Giustina, M. Jacob-Mitos, M. McEwen, M. Mohseni, M. Neeley, M. Newman, M. P. Harrigan, M. Szalay, M. Y. Niu, N. Bushnell, N. C. Rubin, N. Redd, O. Martin, O. Naaman, P. Laptev, P. Roushan, P. V. Klimov, P. Yeh, R. Babbush, R. Barends, R. Collins, S. Boixo, S. Demura, S. D. Harrington, S. Hong, S. Kim, S. V. Isakov, T. C. White, T. E. O'Brien, T. Huang, T. McCourt, V. Shvarts, V. Smelyanskiy, W. Courtney, W. J. Huggins, W. Mruczkiewicz, X. Mi, Y. Chen, Z. Chen, Z. Jiang, Z. Yao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2020-12-02T01:42:20Z","title":"Accurately computing electronic properties of a quantum ring"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.00921","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:e202341a8319f083964410dc02b3b79102596353143de4743fb69ce07b8b048f","target":"record","created_at":"2026-07-05T02:57:12Z","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":"d97f6f33f94cc00006fb1b94a5ebb4c143989b2810425e0c23cb7e98caf98dbf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2020-12-02T01:42:20Z","title_canon_sha256":"2c9aa61cd652224469bd2eddec4427ff146dd155c19d293625f0c9e4eb7173a2"},"schema_version":"1.0","source":{"id":"2012.00921","kind":"arxiv","version":2}},"canonical_sha256":"0646549dfabae73b3e8894d90b0f1e2b8103c0deaadb601c201b44cef1ce3726","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0646549dfabae73b3e8894d90b0f1e2b8103c0deaadb601c201b44cef1ce3726","first_computed_at":"2026-07-05T02:57:12.241885Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:57:12.241885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vS3YnHq23R649d5+vIXSq2noHNQIys9/RY3bt6MsR6ecbYZ4kXk/jKqw0IxLOHC8f2yyYEuDAzHMpnKTVCyMAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:57:12.242421Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.00921","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e202341a8319f083964410dc02b3b79102596353143de4743fb69ce07b8b048f","sha256:52112064c59cc4181bf7de325a34a75b50847ce48feaf5decd864769b2e7e646"],"state_sha256":"92fd30c3496cb18234d718cc53f7dd0fde6ec5d726acc43b9414f9c46bb7dc25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jaU8UvWiQh/L2LaaFRC7a8+1P42lgysLLajRBBM8eyRLM5CTBi5LkoEbfASt1zGCp+PNNDp9VTvjTplRrNhkCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T08:14:56.340103Z","bundle_sha256":"c5d6b7c5ad0638beabdc3188a2cd44bc0b5ad3e9dae289ecf97d9ea3ba1971ae"}}