{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UJTNHJIIRLUEL47J2SNA52OQ4V","short_pith_number":"pith:UJTNHJII","canonical_record":{"source":{"id":"1803.03976","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-11T15:24:37Z","cross_cats_sorted":[],"title_canon_sha256":"8ad59460d1465e44ceaf142a28a006f22c3e8360b9b32ccf9575b413a7bb60d4","abstract_canon_sha256":"53cd3fad8f025fb7505e4519fdbf40ed694b095b45598a15ba6e396132408053"},"schema_version":"1.0"},"canonical_sha256":"a266d3a5088ae845f3e9d49a0ee9d0e54268a7db487b4c3b94e0dab99bb9f391","source":{"kind":"arxiv","id":"1803.03976","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.03976","created_at":"2026-05-18T00:08:27Z"},{"alias_kind":"arxiv_version","alias_value":"1803.03976v2","created_at":"2026-05-18T00:08:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.03976","created_at":"2026-05-18T00:08:27Z"},{"alias_kind":"pith_short_12","alias_value":"UJTNHJIIRLUE","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UJTNHJIIRLUEL47J","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UJTNHJII","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UJTNHJIIRLUEL47J2SNA52OQ4V","target":"record","payload":{"canonical_record":{"source":{"id":"1803.03976","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-11T15:24:37Z","cross_cats_sorted":[],"title_canon_sha256":"8ad59460d1465e44ceaf142a28a006f22c3e8360b9b32ccf9575b413a7bb60d4","abstract_canon_sha256":"53cd3fad8f025fb7505e4519fdbf40ed694b095b45598a15ba6e396132408053"},"schema_version":"1.0"},"canonical_sha256":"a266d3a5088ae845f3e9d49a0ee9d0e54268a7db487b4c3b94e0dab99bb9f391","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:27.018632Z","signature_b64":"AU+ROaWiRz2wWJSJHNxvsD0qaYQgj9J78X6LFNbRSmS7TY9jQt9l/hIiNQWWiUwAvi83/G7rmQla9Etu9wK/CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a266d3a5088ae845f3e9d49a0ee9d0e54268a7db487b4c3b94e0dab99bb9f391","last_reissued_at":"2026-05-18T00:08:27.018016Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:27.018016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.03976","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:08:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L7ujMWMq+sxc0L11S+i84HQ9oe8PEYSUo7udxxtkF78viVTilVjEQr1TKvnGoTV4xRKaY5nMXJIrineXjHbXBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T15:34:47.396837Z"},"content_sha256":"ca12c45db50b78cae4a0f29075ba1db0c9c00614c56f8caf3b9c3321d7a2ef01","schema_version":"1.0","event_id":"sha256:ca12c45db50b78cae4a0f29075ba1db0c9c00614c56f8caf3b9c3321d7a2ef01"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UJTNHJIIRLUEL47J2SNA52OQ4V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement-assisted private communication over quantum broadcast channels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Haoyu Qi, Kunal Sharma, Mark M. Wilde","submitted_at":"2018-03-11T15:24:37Z","abstract_excerpt":"We consider entanglement-assisted (EA) private communication over a quantum broadcast channel, in which there is a single sender and multiple receivers. We divide the receivers into two sets: the decoding set and the malicious set. The decoding set and the malicious set can either be disjoint or can have a finite intersection. For simplicity, we say that a single party Bob has access to the decoding set and another party Eve has access to the malicious set, and both Eve and Bob have access to the pre-shared entanglement with Alice. The goal of the task is for Alice to communicate classical inf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.03976","kind":"arxiv","version":2},"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":"2026-05-18T00:08:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7d46+otnUkCXyxlts3qIfwyonE4fUtZj0oxlXMIrVGer9hSbNfQB4ZOOBc3FnJyjKL6XOfk1XBfPHqo70RspBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T15:34:47.397414Z"},"content_sha256":"b7e285a747bb0a5889bb195ef300c06283cfd1d9a4dcb51e06c858c8f8755434","schema_version":"1.0","event_id":"sha256:b7e285a747bb0a5889bb195ef300c06283cfd1d9a4dcb51e06c858c8f8755434"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UJTNHJIIRLUEL47J2SNA52OQ4V/bundle.json","state_url":"https://pith.science/pith/UJTNHJIIRLUEL47J2SNA52OQ4V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UJTNHJIIRLUEL47J2SNA52OQ4V/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":"2026-06-04T15:34:47Z","links":{"resolver":"https://pith.science/pith/UJTNHJIIRLUEL47J2SNA52OQ4V","bundle":"https://pith.science/pith/UJTNHJIIRLUEL47J2SNA52OQ4V/bundle.json","state":"https://pith.science/pith/UJTNHJIIRLUEL47J2SNA52OQ4V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UJTNHJIIRLUEL47J2SNA52OQ4V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UJTNHJIIRLUEL47J2SNA52OQ4V","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":"53cd3fad8f025fb7505e4519fdbf40ed694b095b45598a15ba6e396132408053","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-11T15:24:37Z","title_canon_sha256":"8ad59460d1465e44ceaf142a28a006f22c3e8360b9b32ccf9575b413a7bb60d4"},"schema_version":"1.0","source":{"id":"1803.03976","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.03976","created_at":"2026-05-18T00:08:27Z"},{"alias_kind":"arxiv_version","alias_value":"1803.03976v2","created_at":"2026-05-18T00:08:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.03976","created_at":"2026-05-18T00:08:27Z"},{"alias_kind":"pith_short_12","alias_value":"UJTNHJIIRLUE","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UJTNHJIIRLUEL47J","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UJTNHJII","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:b7e285a747bb0a5889bb195ef300c06283cfd1d9a4dcb51e06c858c8f8755434","target":"graph","created_at":"2026-05-18T00:08:27Z","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":"We consider entanglement-assisted (EA) private communication over a quantum broadcast channel, in which there is a single sender and multiple receivers. We divide the receivers into two sets: the decoding set and the malicious set. The decoding set and the malicious set can either be disjoint or can have a finite intersection. For simplicity, we say that a single party Bob has access to the decoding set and another party Eve has access to the malicious set, and both Eve and Bob have access to the pre-shared entanglement with Alice. The goal of the task is for Alice to communicate classical inf","authors_text":"Haoyu Qi, Kunal Sharma, Mark M. Wilde","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-11T15:24:37Z","title":"Entanglement-assisted private communication over quantum broadcast channels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.03976","kind":"arxiv","version":2},"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:ca12c45db50b78cae4a0f29075ba1db0c9c00614c56f8caf3b9c3321d7a2ef01","target":"record","created_at":"2026-05-18T00:08:27Z","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":"53cd3fad8f025fb7505e4519fdbf40ed694b095b45598a15ba6e396132408053","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-11T15:24:37Z","title_canon_sha256":"8ad59460d1465e44ceaf142a28a006f22c3e8360b9b32ccf9575b413a7bb60d4"},"schema_version":"1.0","source":{"id":"1803.03976","kind":"arxiv","version":2}},"canonical_sha256":"a266d3a5088ae845f3e9d49a0ee9d0e54268a7db487b4c3b94e0dab99bb9f391","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a266d3a5088ae845f3e9d49a0ee9d0e54268a7db487b4c3b94e0dab99bb9f391","first_computed_at":"2026-05-18T00:08:27.018016Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:27.018016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AU+ROaWiRz2wWJSJHNxvsD0qaYQgj9J78X6LFNbRSmS7TY9jQt9l/hIiNQWWiUwAvi83/G7rmQla9Etu9wK/CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:27.018632Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.03976","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca12c45db50b78cae4a0f29075ba1db0c9c00614c56f8caf3b9c3321d7a2ef01","sha256:b7e285a747bb0a5889bb195ef300c06283cfd1d9a4dcb51e06c858c8f8755434"],"state_sha256":"870b6f890bd54087792c746a0bf29d436fecec0446388b615f66f3a206ba997a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YLuORO5LB1lwVXr7YqD5fqVOZMBSaiLGOWvfOifaWA4ywIjC+0lWtNUDYKmKl2aSmcS45DTAQNjDLFRxoqXgAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T15:34:47.400340Z","bundle_sha256":"faeefee6d9d341fb49bde4b478a8dea58f5c81d604236fe6c0e0591f28409a0a"}}