{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:7P3VRP43T677RZS6TJLGB5F4OH","short_pith_number":"pith:7P3VRP43","schema_version":"1.0","canonical_sha256":"fbf758bf9b9fbff8e65e9a5660f4bc71c1ff78266775a54855960829f5adb65c","source":{"kind":"arxiv","id":"2408.00518","version":4},"attestation_state":"computed","paper":{"title":"Transmission of quantum information through quantum fields in curved spacetimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"quant-ph","authors_text":"Erickson Tjoa, Michael Kasprzak","submitted_at":"2024-08-01T12:48:48Z","abstract_excerpt":"We construct a relativistic quantum communication channel between two localized qubit systems, mediated by a relativistic quantum field, that can achieve the theoretical maximum for the quantum capacity in arbitrary curved spacetimes using the Unruh-DeWitt detector formalism. Using techniques from algebraic quantum field theory, we express the quantum capacity of the quantum communication channel purely in terms of the correlation functions of the field and the causal propagator for the wave equation. Consequently, the resulting quantum channel, and hence the quantum capacity, are by construct"},"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":"2408.00518","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-08-01T12:48:48Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"5f383bab2082d015eda386937cd7b62a50c7bbc1a9ed0b0cae3149575be6d445","abstract_canon_sha256":"9324132820718e3b6facbe96e9749a456b80f1bda854bc44fc1bda375a1f62d7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:30:20.789824Z","signature_b64":"1pQ2jOWUl95ucgtoEWwJlp1YsqVaW409HVAGRfwdF9aj1FM7UkB9R8C0WK3bxX0K37gp96uNivEvxjt4qQLPCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbf758bf9b9fbff8e65e9a5660f4bc71c1ff78266775a54855960829f5adb65c","last_reissued_at":"2026-07-05T11:30:20.789369Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:30:20.789369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Transmission of quantum information through quantum fields in curved spacetimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"quant-ph","authors_text":"Erickson Tjoa, Michael Kasprzak","submitted_at":"2024-08-01T12:48:48Z","abstract_excerpt":"We construct a relativistic quantum communication channel between two localized qubit systems, mediated by a relativistic quantum field, that can achieve the theoretical maximum for the quantum capacity in arbitrary curved spacetimes using the Unruh-DeWitt detector formalism. Using techniques from algebraic quantum field theory, we express the quantum capacity of the quantum communication channel purely in terms of the correlation functions of the field and the causal propagator for the wave equation. Consequently, the resulting quantum channel, and hence the quantum capacity, are by construct"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.00518","kind":"arxiv","version":4},"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/2408.00518/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2408.00518","created_at":"2026-07-05T11:30:20.789421+00:00"},{"alias_kind":"arxiv_version","alias_value":"2408.00518v4","created_at":"2026-07-05T11:30:20.789421+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.00518","created_at":"2026-07-05T11:30:20.789421+00:00"},{"alias_kind":"pith_short_12","alias_value":"7P3VRP43T677","created_at":"2026-07-05T11:30:20.789421+00:00"},{"alias_kind":"pith_short_16","alias_value":"7P3VRP43T677RZS6","created_at":"2026-07-05T11:30:20.789421+00:00"},{"alias_kind":"pith_short_8","alias_value":"7P3VRP43","created_at":"2026-07-05T11:30:20.789421+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/7P3VRP43T677RZS6TJLGB5F4OH","json":"https://pith.science/pith/7P3VRP43T677RZS6TJLGB5F4OH.json","graph_json":"https://pith.science/api/pith-number/7P3VRP43T677RZS6TJLGB5F4OH/graph.json","events_json":"https://pith.science/api/pith-number/7P3VRP43T677RZS6TJLGB5F4OH/events.json","paper":"https://pith.science/paper/7P3VRP43"},"agent_actions":{"view_html":"https://pith.science/pith/7P3VRP43T677RZS6TJLGB5F4OH","download_json":"https://pith.science/pith/7P3VRP43T677RZS6TJLGB5F4OH.json","view_paper":"https://pith.science/paper/7P3VRP43","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2408.00518&json=true","fetch_graph":"https://pith.science/api/pith-number/7P3VRP43T677RZS6TJLGB5F4OH/graph.json","fetch_events":"https://pith.science/api/pith-number/7P3VRP43T677RZS6TJLGB5F4OH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7P3VRP43T677RZS6TJLGB5F4OH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7P3VRP43T677RZS6TJLGB5F4OH/action/storage_attestation","attest_author":"https://pith.science/pith/7P3VRP43T677RZS6TJLGB5F4OH/action/author_attestation","sign_citation":"https://pith.science/pith/7P3VRP43T677RZS6TJLGB5F4OH/action/citation_signature","submit_replication":"https://pith.science/pith/7P3VRP43T677RZS6TJLGB5F4OH/action/replication_record"}},"created_at":"2026-07-05T11:30:20.789421+00:00","updated_at":"2026-07-05T11:30:20.789421+00:00"}