{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UPRYBM3MRQDSN3FBU2L34D2LJG","short_pith_number":"pith:UPRYBM3M","canonical_record":{"source":{"id":"1612.08044","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-12-23T17:20:53Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"7685fcb7ebda941c1f53630f292ab8ef4fa1b08ebc1c9c151abbac97c6b1fb25","abstract_canon_sha256":"cffe37f4edf20b11ce3490768f648ab43981dd42e6344a09d72e7a2460f95ff3"},"schema_version":"1.0"},"canonical_sha256":"a3e380b36c8c0726eca1a697be0f4b499715915efb84a17343971845fc4a7f04","source":{"kind":"arxiv","id":"1612.08044","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.08044","created_at":"2026-05-18T00:35:13Z"},{"alias_kind":"arxiv_version","alias_value":"1612.08044v1","created_at":"2026-05-18T00:35:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.08044","created_at":"2026-05-18T00:35:13Z"},{"alias_kind":"pith_short_12","alias_value":"UPRYBM3MRQDS","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UPRYBM3MRQDSN3FB","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UPRYBM3M","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UPRYBM3MRQDSN3FBU2L34D2LJG","target":"record","payload":{"canonical_record":{"source":{"id":"1612.08044","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-12-23T17:20:53Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"7685fcb7ebda941c1f53630f292ab8ef4fa1b08ebc1c9c151abbac97c6b1fb25","abstract_canon_sha256":"cffe37f4edf20b11ce3490768f648ab43981dd42e6344a09d72e7a2460f95ff3"},"schema_version":"1.0"},"canonical_sha256":"a3e380b36c8c0726eca1a697be0f4b499715915efb84a17343971845fc4a7f04","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:13.881181Z","signature_b64":"AwpSnk3Cin0UZvoytu4n9bGpN6bycr11V21NneJHTwIsu5B7vGghWnHqCUXzDJsNz7hM1HU+NzHqJk8W3ZnPBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3e380b36c8c0726eca1a697be0f4b499715915efb84a17343971845fc4a7f04","last_reissued_at":"2026-05-18T00:35:13.880670Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:13.880670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.08044","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":"2026-05-18T00:35:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JLu5ODd1kCkPaeZ1gHPbG357egWR+21uwqeF9vFEuZuOEsxPgGIMpuRtUaOyNlRdFq+Hawr1OST/Qgy3W30TBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:39:26.007051Z"},"content_sha256":"1e7c1b2bdff23b66789241c4aa4a19f328b250de58361df08ac7e4c1113aafc3","schema_version":"1.0","event_id":"sha256:1e7c1b2bdff23b66789241c4aa4a19f328b250de58361df08ac7e4c1113aafc3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UPRYBM3MRQDSN3FBU2L34D2LJG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Error tracing in linear and concatenated quantum circuits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET"],"primary_cat":"quant-ph","authors_text":"Priyanka Mukhopadhyay, Ritajit Majumdar, Saikat Basu, Susmita Sur-Kolay","submitted_at":"2016-12-23T17:20:53Z","abstract_excerpt":"Descriptions of quantum algorithms, communication etc. protocols assume the existence of closed quantum system. However, real life quantum systems are open and are highly sensitive to errors. Hence error correction is of utmost importance if quantum computation is to be carried out in reality. Ideally, an error correction block should be placed after every gate operation in a quantum circuit. This increases the overhead and reduced the speedup of the quantum circuit. Moreover, the error correction blocks themselves may induce errors as the gates used for error correction may be noisy. In this "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.08044","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":""},"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":"2026-05-18T00:35:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QFX5B+H1l8iWZsOaralVg7KOaUM83UMrSmN98HiCdNolkDWn7UkmkvMJUQK8W36yeDIV9r4/lQA/E2naqS2qCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:39:26.007600Z"},"content_sha256":"946a6fc9798a597b0907f541cdc68cbbdd832ea44a045462536b96ad6ff8c5fc","schema_version":"1.0","event_id":"sha256:946a6fc9798a597b0907f541cdc68cbbdd832ea44a045462536b96ad6ff8c5fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UPRYBM3MRQDSN3FBU2L34D2LJG/bundle.json","state_url":"https://pith.science/pith/UPRYBM3MRQDSN3FBU2L34D2LJG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UPRYBM3MRQDSN3FBU2L34D2LJG/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":"2026-06-30T04:39:26Z","links":{"resolver":"https://pith.science/pith/UPRYBM3MRQDSN3FBU2L34D2LJG","bundle":"https://pith.science/pith/UPRYBM3MRQDSN3FBU2L34D2LJG/bundle.json","state":"https://pith.science/pith/UPRYBM3MRQDSN3FBU2L34D2LJG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UPRYBM3MRQDSN3FBU2L34D2LJG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UPRYBM3MRQDSN3FBU2L34D2LJG","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":"cffe37f4edf20b11ce3490768f648ab43981dd42e6344a09d72e7a2460f95ff3","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-12-23T17:20:53Z","title_canon_sha256":"7685fcb7ebda941c1f53630f292ab8ef4fa1b08ebc1c9c151abbac97c6b1fb25"},"schema_version":"1.0","source":{"id":"1612.08044","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.08044","created_at":"2026-05-18T00:35:13Z"},{"alias_kind":"arxiv_version","alias_value":"1612.08044v1","created_at":"2026-05-18T00:35:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.08044","created_at":"2026-05-18T00:35:13Z"},{"alias_kind":"pith_short_12","alias_value":"UPRYBM3MRQDS","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UPRYBM3MRQDSN3FB","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UPRYBM3M","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:946a6fc9798a597b0907f541cdc68cbbdd832ea44a045462536b96ad6ff8c5fc","target":"graph","created_at":"2026-05-18T00:35:13Z","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":"Descriptions of quantum algorithms, communication etc. protocols assume the existence of closed quantum system. However, real life quantum systems are open and are highly sensitive to errors. Hence error correction is of utmost importance if quantum computation is to be carried out in reality. Ideally, an error correction block should be placed after every gate operation in a quantum circuit. This increases the overhead and reduced the speedup of the quantum circuit. Moreover, the error correction blocks themselves may induce errors as the gates used for error correction may be noisy. In this ","authors_text":"Priyanka Mukhopadhyay, Ritajit Majumdar, Saikat Basu, Susmita Sur-Kolay","cross_cats":["cs.ET"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-12-23T17:20:53Z","title":"Error tracing in linear and concatenated quantum circuits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.08044","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":"sha256:1e7c1b2bdff23b66789241c4aa4a19f328b250de58361df08ac7e4c1113aafc3","target":"record","created_at":"2026-05-18T00:35:13Z","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":"cffe37f4edf20b11ce3490768f648ab43981dd42e6344a09d72e7a2460f95ff3","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-12-23T17:20:53Z","title_canon_sha256":"7685fcb7ebda941c1f53630f292ab8ef4fa1b08ebc1c9c151abbac97c6b1fb25"},"schema_version":"1.0","source":{"id":"1612.08044","kind":"arxiv","version":1}},"canonical_sha256":"a3e380b36c8c0726eca1a697be0f4b499715915efb84a17343971845fc4a7f04","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3e380b36c8c0726eca1a697be0f4b499715915efb84a17343971845fc4a7f04","first_computed_at":"2026-05-18T00:35:13.880670Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:13.880670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AwpSnk3Cin0UZvoytu4n9bGpN6bycr11V21NneJHTwIsu5B7vGghWnHqCUXzDJsNz7hM1HU+NzHqJk8W3ZnPBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:13.881181Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.08044","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e7c1b2bdff23b66789241c4aa4a19f328b250de58361df08ac7e4c1113aafc3","sha256:946a6fc9798a597b0907f541cdc68cbbdd832ea44a045462536b96ad6ff8c5fc"],"state_sha256":"b7c789186c24beb422d246b0bf6c594982c2c6d46351cdeb43e15d2d61f9ede9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k3SEhBNacG6YcnoZ0YRmbp4euFVX9bipvoEp268vlj6h7QC4g+n6eyMfVDz/08gFAMekPFtq3rAtjUmmnFteDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T04:39:26.010172Z","bundle_sha256":"1225f55e67ff148d1fce557ed3670df78c2a55d0a13e3573c6ca205835b4de84"}}