{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KCQNLPFSMP2ESVPELXA564BOJE","short_pith_number":"pith:KCQNLPFS","canonical_record":{"source":{"id":"1410.7808","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-10-28T21:00:17Z","cross_cats_sorted":[],"title_canon_sha256":"178759dd737cc1a36b534de77ab6a3de2dbf2fa5f2812d6d2f41e02a808d18a1","abstract_canon_sha256":"0e3af0bbe6e2bcd198c256b9fc7354426a45bca782778b206b7c0d1df4b779d6"},"schema_version":"1.0"},"canonical_sha256":"50a0d5bcb263f44955e45dc1df702e492fe5b1ce6f0290f7a4457da4ef79e4d1","source":{"kind":"arxiv","id":"1410.7808","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.7808","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"arxiv_version","alias_value":"1410.7808v1","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.7808","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"pith_short_12","alias_value":"KCQNLPFSMP2E","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KCQNLPFSMP2ESVPE","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KCQNLPFS","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KCQNLPFSMP2ESVPELXA564BOJE","target":"record","payload":{"canonical_record":{"source":{"id":"1410.7808","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-10-28T21:00:17Z","cross_cats_sorted":[],"title_canon_sha256":"178759dd737cc1a36b534de77ab6a3de2dbf2fa5f2812d6d2f41e02a808d18a1","abstract_canon_sha256":"0e3af0bbe6e2bcd198c256b9fc7354426a45bca782778b206b7c0d1df4b779d6"},"schema_version":"1.0"},"canonical_sha256":"50a0d5bcb263f44955e45dc1df702e492fe5b1ce6f0290f7a4457da4ef79e4d1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:20:39.826410Z","signature_b64":"TURH25TaGnRraJHmUVHQp+u33QDrLcGQQclEXxNZbgJO++T/xJrIlqaAONQODdqgLUsWOwv+n0r9/W11BmInAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50a0d5bcb263f44955e45dc1df702e492fe5b1ce6f0290f7a4457da4ef79e4d1","last_reissued_at":"2026-05-18T02:20:39.825795Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:20:39.825795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.7808","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":"2026-05-18T02:20:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4bSf6oZWVBrIzt4kmdDBsxwSNYv+jtbHXBJ47C6BtPVdX1wRXwUFSnfGAjQBxSFEKgkQ9JXShjMxJh+fQEzlBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T14:34:19.802998Z"},"content_sha256":"a39369ee8e07d3b41c29a55c1ab96908c4422997c205e613ff2ed42d333951f5","schema_version":"1.0","event_id":"sha256:a39369ee8e07d3b41c29a55c1ab96908c4422997c205e613ff2ed42d333951f5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KCQNLPFSMP2ESVPELXA564BOJE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A magic state's fidelity can be superior to the operations that created it","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ying Li","submitted_at":"2014-10-28T21:00:17Z","abstract_excerpt":"The leading approach to fault tolerant quantum computing requires a continual supply of magic states. When a new magic state is first encoded, its initial fidelity will be too poor for use in the computation. This necessitates a resource-intensive distillation process that occupies the majority of the computer's hardware; creating magic states with a high initial fidelity minimises this cost and is therefore crucial for practical quantum computing. Here we present the surprising and encouraging result that raw magic states can have a fidelity significantly better than that of the two-qubit gat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.7808","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":"2026-05-18T02:20:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y4NBfqL53z0uDn/Bq582lD6dDXWF+Kxz7GBPhYvFI2sByZNBd1s7ZDk0Ll8b6PJHsTUD3K3T2JnzlVx84ysFCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T14:34:19.803348Z"},"content_sha256":"2299425dedf7262adbedf654e36eeb9352cc8ea9950e17dc12690753ab5d4d55","schema_version":"1.0","event_id":"sha256:2299425dedf7262adbedf654e36eeb9352cc8ea9950e17dc12690753ab5d4d55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KCQNLPFSMP2ESVPELXA564BOJE/bundle.json","state_url":"https://pith.science/pith/KCQNLPFSMP2ESVPELXA564BOJE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KCQNLPFSMP2ESVPELXA564BOJE/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":"2026-06-25T14:34:19Z","links":{"resolver":"https://pith.science/pith/KCQNLPFSMP2ESVPELXA564BOJE","bundle":"https://pith.science/pith/KCQNLPFSMP2ESVPELXA564BOJE/bundle.json","state":"https://pith.science/pith/KCQNLPFSMP2ESVPELXA564BOJE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KCQNLPFSMP2ESVPELXA564BOJE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KCQNLPFSMP2ESVPELXA564BOJE","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":"0e3af0bbe6e2bcd198c256b9fc7354426a45bca782778b206b7c0d1df4b779d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-10-28T21:00:17Z","title_canon_sha256":"178759dd737cc1a36b534de77ab6a3de2dbf2fa5f2812d6d2f41e02a808d18a1"},"schema_version":"1.0","source":{"id":"1410.7808","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.7808","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"arxiv_version","alias_value":"1410.7808v1","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.7808","created_at":"2026-05-18T02:20:39Z"},{"alias_kind":"pith_short_12","alias_value":"KCQNLPFSMP2E","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KCQNLPFSMP2ESVPE","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KCQNLPFS","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:2299425dedf7262adbedf654e36eeb9352cc8ea9950e17dc12690753ab5d4d55","target":"graph","created_at":"2026-05-18T02:20:39Z","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":"The leading approach to fault tolerant quantum computing requires a continual supply of magic states. When a new magic state is first encoded, its initial fidelity will be too poor for use in the computation. This necessitates a resource-intensive distillation process that occupies the majority of the computer's hardware; creating magic states with a high initial fidelity minimises this cost and is therefore crucial for practical quantum computing. Here we present the surprising and encouraging result that raw magic states can have a fidelity significantly better than that of the two-qubit gat","authors_text":"Ying Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-10-28T21:00:17Z","title":"A magic state's fidelity can be superior to the operations that created it"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.7808","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:a39369ee8e07d3b41c29a55c1ab96908c4422997c205e613ff2ed42d333951f5","target":"record","created_at":"2026-05-18T02:20:39Z","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":"0e3af0bbe6e2bcd198c256b9fc7354426a45bca782778b206b7c0d1df4b779d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-10-28T21:00:17Z","title_canon_sha256":"178759dd737cc1a36b534de77ab6a3de2dbf2fa5f2812d6d2f41e02a808d18a1"},"schema_version":"1.0","source":{"id":"1410.7808","kind":"arxiv","version":1}},"canonical_sha256":"50a0d5bcb263f44955e45dc1df702e492fe5b1ce6f0290f7a4457da4ef79e4d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50a0d5bcb263f44955e45dc1df702e492fe5b1ce6f0290f7a4457da4ef79e4d1","first_computed_at":"2026-05-18T02:20:39.825795Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:20:39.825795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TURH25TaGnRraJHmUVHQp+u33QDrLcGQQclEXxNZbgJO++T/xJrIlqaAONQODdqgLUsWOwv+n0r9/W11BmInAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:20:39.826410Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.7808","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a39369ee8e07d3b41c29a55c1ab96908c4422997c205e613ff2ed42d333951f5","sha256:2299425dedf7262adbedf654e36eeb9352cc8ea9950e17dc12690753ab5d4d55"],"state_sha256":"3999f6c474eb3f3fafbff63809f7ee99e5902bd537c32570736a8b3b2cf84b6a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PKXgpb4zsLiXxmiCqt9cwAGA28wYXzckKKmGWtTFrt4L+y/NAOutz/6K3e/4g80vtb9c/cNwQwdRy33rVTRgCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T14:34:19.805250Z","bundle_sha256":"ce4dffd87534ef95a6f8359aa8056c44e879e0c3c62ceaa7075bf993e84dcf68"}}