{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:4NVTJ3KVJTEWBCOZOPQFAIZOGV","short_pith_number":"pith:4NVTJ3KV","schema_version":"1.0","canonical_sha256":"e36b34ed554cc96089d973e050232e356c234600a5ec4e76e8352e821d6cee6c","source":{"kind":"arxiv","id":"quant-ph/0410077","version":1},"attestation_state":"computed","paper":{"title":"Hybrid noiseless subsystems for quantum communication over optical fibers","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jonathan L. Ball, Konrad Banaszek","submitted_at":"2004-10-11T15:10:21Z","abstract_excerpt":"We derive the general structure of noiseless subsystems for optical radiation contained in a sequence of pulses undergoing collective depolarization in an optical fiber. This result is used to identify optimal ways to implement quantum communication over a collectively depolarizing channel, which in general combine various degrees of freedom, such as polarization and phase, into joint hybrid schemes for protecting quantum coherence."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"quant-ph/0410077","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2004-10-11T15:10:21Z","cross_cats_sorted":[],"title_canon_sha256":"d66af09ef2b0d298b87963b27e21d53af88aed04eba03a8cabc4e623459e7844","abstract_canon_sha256":"0fae2e815fe0d8cb7595aa46db098cb16c316fd8757bef016e6f2753e55c90ae"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:03.203661Z","signature_b64":"pl2ke12LaCvBZt2mzOvoOFpMSA3sdpMb2nNJ0oFalQL3CMf/MJa8sy0CVcq9e1gGT3DEPhPlIr4WRN3z3vkgCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e36b34ed554cc96089d973e050232e356c234600a5ec4e76e8352e821d6cee6c","last_reissued_at":"2026-05-18T01:05:03.202955Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:03.202955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hybrid noiseless subsystems for quantum communication over optical fibers","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jonathan L. Ball, Konrad Banaszek","submitted_at":"2004-10-11T15:10:21Z","abstract_excerpt":"We derive the general structure of noiseless subsystems for optical radiation contained in a sequence of pulses undergoing collective depolarization in an optical fiber. This result is used to identify optimal ways to implement quantum communication over a collectively depolarizing channel, which in general combine various degrees of freedom, such as polarization and phase, into joint hybrid schemes for protecting quantum coherence."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0410077","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0410077","created_at":"2026-05-18T01:05:03.203068+00:00"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0410077v1","created_at":"2026-05-18T01:05:03.203068+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0410077","created_at":"2026-05-18T01:05:03.203068+00:00"},{"alias_kind":"pith_short_12","alias_value":"4NVTJ3KVJTEW","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_16","alias_value":"4NVTJ3KVJTEWBCOZ","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_8","alias_value":"4NVTJ3KV","created_at":"2026-05-18T12:25:52.051335+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4NVTJ3KVJTEWBCOZOPQFAIZOGV","json":"https://pith.science/pith/4NVTJ3KVJTEWBCOZOPQFAIZOGV.json","graph_json":"https://pith.science/api/pith-number/4NVTJ3KVJTEWBCOZOPQFAIZOGV/graph.json","events_json":"https://pith.science/api/pith-number/4NVTJ3KVJTEWBCOZOPQFAIZOGV/events.json","paper":"https://pith.science/paper/4NVTJ3KV"},"agent_actions":{"view_html":"https://pith.science/pith/4NVTJ3KVJTEWBCOZOPQFAIZOGV","download_json":"https://pith.science/pith/4NVTJ3KVJTEWBCOZOPQFAIZOGV.json","view_paper":"https://pith.science/paper/4NVTJ3KV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=quant-ph/0410077&json=true","fetch_graph":"https://pith.science/api/pith-number/4NVTJ3KVJTEWBCOZOPQFAIZOGV/graph.json","fetch_events":"https://pith.science/api/pith-number/4NVTJ3KVJTEWBCOZOPQFAIZOGV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4NVTJ3KVJTEWBCOZOPQFAIZOGV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4NVTJ3KVJTEWBCOZOPQFAIZOGV/action/storage_attestation","attest_author":"https://pith.science/pith/4NVTJ3KVJTEWBCOZOPQFAIZOGV/action/author_attestation","sign_citation":"https://pith.science/pith/4NVTJ3KVJTEWBCOZOPQFAIZOGV/action/citation_signature","submit_replication":"https://pith.science/pith/4NVTJ3KVJTEWBCOZOPQFAIZOGV/action/replication_record"}},"created_at":"2026-05-18T01:05:03.203068+00:00","updated_at":"2026-05-18T01:05:03.203068+00:00"}