{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:NE2MHJBJLU2HZHKN4MLKSL6QEB","short_pith_number":"pith:NE2MHJBJ","canonical_record":{"source":{"id":"1108.3845","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-18T20:07:46Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"e780ed305978de453efb81ad6f1aba67f4cf707b91b7dbec29d8f489733992bb","abstract_canon_sha256":"2c2d426ab834f5fa196815bf195b23158621ec590cbf2f9832838daf6d642d77"},"schema_version":"1.0"},"canonical_sha256":"6934c3a4295d347c9d4de316a92fd0204a5f403f96fbca5bf12462b64fca2eb9","source":{"kind":"arxiv","id":"1108.3845","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.3845","created_at":"2026-05-18T03:11:33Z"},{"alias_kind":"arxiv_version","alias_value":"1108.3845v1","created_at":"2026-05-18T03:11:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.3845","created_at":"2026-05-18T03:11:33Z"},{"alias_kind":"pith_short_12","alias_value":"NE2MHJBJLU2H","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NE2MHJBJLU2HZHKN","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NE2MHJBJ","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:NE2MHJBJLU2HZHKN4MLKSL6QEB","target":"record","payload":{"canonical_record":{"source":{"id":"1108.3845","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-18T20:07:46Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"e780ed305978de453efb81ad6f1aba67f4cf707b91b7dbec29d8f489733992bb","abstract_canon_sha256":"2c2d426ab834f5fa196815bf195b23158621ec590cbf2f9832838daf6d642d77"},"schema_version":"1.0"},"canonical_sha256":"6934c3a4295d347c9d4de316a92fd0204a5f403f96fbca5bf12462b64fca2eb9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:11:33.784792Z","signature_b64":"+WV54kCOLh2zF5bXM2+neSjEM/El9QdHKvHZ1mZja9ETAKBOli5lf2HL1TWfnagnIhdvMGhTp1yiv3H+CuUKBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6934c3a4295d347c9d4de316a92fd0204a5f403f96fbca5bf12462b64fca2eb9","last_reissued_at":"2026-05-18T03:11:33.784239Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:11:33.784239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.3845","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":"2026-05-18T03:11:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zyvbKer0ZzTMSXobwiUAC3ENkZ9n/ThB7Rf7ezJfe6hMIJNHCTT8Ob+psUyOfp7/rRjJ0cClwNVbO9ozXzyTDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:01:07.703750Z"},"content_sha256":"631de13cca126a5eab158a5c7ae84ba88f0bc2d4fc74d885b3a81a174dc49961","schema_version":"1.0","event_id":"sha256:631de13cca126a5eab158a5c7ae84ba88f0bc2d4fc74d885b3a81a174dc49961"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:NE2MHJBJLU2HZHKN4MLKSL6QEB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Disorder-assisted error correction in Majorana chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"Robert Koenig, Sergey Bravyi","submitted_at":"2011-08-18T20:07:46Z","abstract_excerpt":"It was recently realized that quenched disorder may enhance the reliability of topological qubits by reducing the mobility of anyons at zero temperature. Here we compute storage times with and without disorder for quantum chains with unpaired Majorana fermions - the simplest toy model of a quantum memory. Disorder takes the form of a random site-dependent chemical potential. The corresponding one-particle problem is a one-dimensional Anderson model with disorder in the hopping amplitudes. We focus on the zero-temperature storage of a qubit encoded in the ground state of the Majorana chain. Sto"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.3845","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":"2026-05-18T03:11:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CkiVPT+eZx8XAPhgker/B6skRKofJRQ58Gbbdbcdc8qhgApZm8w3BsXd2NYfWLt1pKo8NkGSuWV0rSaKkrADDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:01:07.704102Z"},"content_sha256":"e5cbb6a5c14a5b57ff31d98d217f8a52aff78fba053f38a951f3d6090e0b91c3","schema_version":"1.0","event_id":"sha256:e5cbb6a5c14a5b57ff31d98d217f8a52aff78fba053f38a951f3d6090e0b91c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NE2MHJBJLU2HZHKN4MLKSL6QEB/bundle.json","state_url":"https://pith.science/pith/NE2MHJBJLU2HZHKN4MLKSL6QEB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NE2MHJBJLU2HZHKN4MLKSL6QEB/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":"2026-06-03T00:01:07Z","links":{"resolver":"https://pith.science/pith/NE2MHJBJLU2HZHKN4MLKSL6QEB","bundle":"https://pith.science/pith/NE2MHJBJLU2HZHKN4MLKSL6QEB/bundle.json","state":"https://pith.science/pith/NE2MHJBJLU2HZHKN4MLKSL6QEB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NE2MHJBJLU2HZHKN4MLKSL6QEB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:NE2MHJBJLU2HZHKN4MLKSL6QEB","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":"2c2d426ab834f5fa196815bf195b23158621ec590cbf2f9832838daf6d642d77","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-18T20:07:46Z","title_canon_sha256":"e780ed305978de453efb81ad6f1aba67f4cf707b91b7dbec29d8f489733992bb"},"schema_version":"1.0","source":{"id":"1108.3845","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.3845","created_at":"2026-05-18T03:11:33Z"},{"alias_kind":"arxiv_version","alias_value":"1108.3845v1","created_at":"2026-05-18T03:11:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.3845","created_at":"2026-05-18T03:11:33Z"},{"alias_kind":"pith_short_12","alias_value":"NE2MHJBJLU2H","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NE2MHJBJLU2HZHKN","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NE2MHJBJ","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:e5cbb6a5c14a5b57ff31d98d217f8a52aff78fba053f38a951f3d6090e0b91c3","target":"graph","created_at":"2026-05-18T03:11:33Z","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":"It was recently realized that quenched disorder may enhance the reliability of topological qubits by reducing the mobility of anyons at zero temperature. Here we compute storage times with and without disorder for quantum chains with unpaired Majorana fermions - the simplest toy model of a quantum memory. Disorder takes the form of a random site-dependent chemical potential. The corresponding one-particle problem is a one-dimensional Anderson model with disorder in the hopping amplitudes. We focus on the zero-temperature storage of a qubit encoded in the ground state of the Majorana chain. Sto","authors_text":"Robert Koenig, Sergey Bravyi","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-18T20:07:46Z","title":"Disorder-assisted error correction in Majorana chains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.3845","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":"sha256:631de13cca126a5eab158a5c7ae84ba88f0bc2d4fc74d885b3a81a174dc49961","target":"record","created_at":"2026-05-18T03:11:33Z","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":"2c2d426ab834f5fa196815bf195b23158621ec590cbf2f9832838daf6d642d77","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-18T20:07:46Z","title_canon_sha256":"e780ed305978de453efb81ad6f1aba67f4cf707b91b7dbec29d8f489733992bb"},"schema_version":"1.0","source":{"id":"1108.3845","kind":"arxiv","version":1}},"canonical_sha256":"6934c3a4295d347c9d4de316a92fd0204a5f403f96fbca5bf12462b64fca2eb9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6934c3a4295d347c9d4de316a92fd0204a5f403f96fbca5bf12462b64fca2eb9","first_computed_at":"2026-05-18T03:11:33.784239Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:11:33.784239Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+WV54kCOLh2zF5bXM2+neSjEM/El9QdHKvHZ1mZja9ETAKBOli5lf2HL1TWfnagnIhdvMGhTp1yiv3H+CuUKBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:11:33.784792Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.3845","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:631de13cca126a5eab158a5c7ae84ba88f0bc2d4fc74d885b3a81a174dc49961","sha256:e5cbb6a5c14a5b57ff31d98d217f8a52aff78fba053f38a951f3d6090e0b91c3"],"state_sha256":"d15883113911153ec7eb168566eb2e0cddc2f5adaac97e8c814a91b42a96f77f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uYV1raj3MDAJUsct9WdoMbLIhtgsupBEy/XvLahmH3Z6RW/e5afTziqDl1XrmQ75J5b7OZBgE+kRFoqwrMDTDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T00:01:07.706016Z","bundle_sha256":"1230d21d1ab7f9b551bae972d8f202dfc388b535d4002abeff3839ae1c51b5ac"}}