{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:3SB7BTXTXMYAAH5AVRMCJWIOY6","short_pith_number":"pith:3SB7BTXT","canonical_record":{"source":{"id":"2402.09116","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-02-14T11:59:23Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"9d9907449ea79f7bb2d42e4c793998c9e37b3cb669af8796cdde8c32a0c5cef9","abstract_canon_sha256":"a2b7604e48e15c8f87c407c2ce55aa754a9de70c15ed8a513594ac9797fba613"},"schema_version":"1.0"},"canonical_sha256":"dc83f0cef3bb30001fa0ac5824d90ec7a056bf3d883f7b2d80bc4a7f1f0230c7","source":{"kind":"arxiv","id":"2402.09116","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.09116","created_at":"2026-07-05T09:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"2402.09116v2","created_at":"2026-07-05T09:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.09116","created_at":"2026-07-05T09:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"3SB7BTXTXMYA","created_at":"2026-07-05T09:12:59Z"},{"alias_kind":"pith_short_16","alias_value":"3SB7BTXTXMYAAH5A","created_at":"2026-07-05T09:12:59Z"},{"alias_kind":"pith_short_8","alias_value":"3SB7BTXT","created_at":"2026-07-05T09:12:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:3SB7BTXTXMYAAH5AVRMCJWIOY6","target":"record","payload":{"canonical_record":{"source":{"id":"2402.09116","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-02-14T11:59:23Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"9d9907449ea79f7bb2d42e4c793998c9e37b3cb669af8796cdde8c32a0c5cef9","abstract_canon_sha256":"a2b7604e48e15c8f87c407c2ce55aa754a9de70c15ed8a513594ac9797fba613"},"schema_version":"1.0"},"canonical_sha256":"dc83f0cef3bb30001fa0ac5824d90ec7a056bf3d883f7b2d80bc4a7f1f0230c7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:12:59.272395Z","signature_b64":"NWoLPPNHLWWlb4z8lRbUp6Ux+V5K2wnIHHJAW56ZemuLzbmmz3RIyd5N9qGpNbyQs+kqnFP1bMwGwkFzmjKsDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc83f0cef3bb30001fa0ac5824d90ec7a056bf3d883f7b2d80bc4a7f1f0230c7","last_reissued_at":"2026-07-05T09:12:59.271969Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:12:59.271969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.09116","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":"2026-07-05T09:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2ne5IjhQQxkwoHcIysFe1mOiNwgChQI9SVjXWuJvBb/KO7/zPh/5BsQaRyHmyUqm5LLY+MC64KvPeP8f2RtwCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:06:41.623235Z"},"content_sha256":"e2661f7b6114d7da024562e8dd4052bf73185b30400b18470c004fb911ec5e68","schema_version":"1.0","event_id":"sha256:e2661f7b6114d7da024562e8dd4052bf73185b30400b18470c004fb911ec5e68"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:3SB7BTXTXMYAAH5AVRMCJWIOY6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Zero-entropy encoders and simultaneous decoders in identification via quantum channels","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"quant-ph","authors_text":"Andreas Winter, Christian Deppe, Holger Boche, Pau Colomer","submitted_at":"2024-02-14T11:59:23Z","abstract_excerpt":"Motivated by deterministic identification via classical channels, where the encoder is not allowed to use randomization, we revisit the problem of identification via quantum channels but now with the additional restriction that the message encoding must use pure quantum states, rather than general mixed states. Together with the previously considered distinction between simultaneous and general decoders, this suggests a two-dimensional spectrum of different identification capacities, whose behaviour could a priori be very different.\n  We demonstrate two new results as our main findings: first,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.09116","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2402.09116/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGO1Lad9JuUfEEwp7rG8JlOFSZa5djnowLzTQnsFvYMlYdlCAcMloSIlDiFzFl1pK+OqO2Yly+8Vz+oacQWIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:06:41.623569Z"},"content_sha256":"8c304550d40d29831a63a50eb4484cb8d14555e715820edb8af8d8ba1395154b","schema_version":"1.0","event_id":"sha256:8c304550d40d29831a63a50eb4484cb8d14555e715820edb8af8d8ba1395154b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3SB7BTXTXMYAAH5AVRMCJWIOY6/bundle.json","state_url":"https://pith.science/pith/3SB7BTXTXMYAAH5AVRMCJWIOY6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3SB7BTXTXMYAAH5AVRMCJWIOY6/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":"2026-08-07T00:06:41Z","links":{"resolver":"https://pith.science/pith/3SB7BTXTXMYAAH5AVRMCJWIOY6","bundle":"https://pith.science/pith/3SB7BTXTXMYAAH5AVRMCJWIOY6/bundle.json","state":"https://pith.science/pith/3SB7BTXTXMYAAH5AVRMCJWIOY6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3SB7BTXTXMYAAH5AVRMCJWIOY6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3SB7BTXTXMYAAH5AVRMCJWIOY6","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":"a2b7604e48e15c8f87c407c2ce55aa754a9de70c15ed8a513594ac9797fba613","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-02-14T11:59:23Z","title_canon_sha256":"9d9907449ea79f7bb2d42e4c793998c9e37b3cb669af8796cdde8c32a0c5cef9"},"schema_version":"1.0","source":{"id":"2402.09116","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.09116","created_at":"2026-07-05T09:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"2402.09116v2","created_at":"2026-07-05T09:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.09116","created_at":"2026-07-05T09:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"3SB7BTXTXMYA","created_at":"2026-07-05T09:12:59Z"},{"alias_kind":"pith_short_16","alias_value":"3SB7BTXTXMYAAH5A","created_at":"2026-07-05T09:12:59Z"},{"alias_kind":"pith_short_8","alias_value":"3SB7BTXT","created_at":"2026-07-05T09:12:59Z"}],"graph_snapshots":[{"event_id":"sha256:8c304550d40d29831a63a50eb4484cb8d14555e715820edb8af8d8ba1395154b","target":"graph","created_at":"2026-07-05T09:12:59Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2402.09116/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Motivated by deterministic identification via classical channels, where the encoder is not allowed to use randomization, we revisit the problem of identification via quantum channels but now with the additional restriction that the message encoding must use pure quantum states, rather than general mixed states. Together with the previously considered distinction between simultaneous and general decoders, this suggests a two-dimensional spectrum of different identification capacities, whose behaviour could a priori be very different.\n  We demonstrate two new results as our main findings: first,","authors_text":"Andreas Winter, Christian Deppe, Holger Boche, Pau Colomer","cross_cats":["cs.IT","math.IT"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-02-14T11:59:23Z","title":"Zero-entropy encoders and simultaneous decoders in identification via quantum channels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.09116","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:e2661f7b6114d7da024562e8dd4052bf73185b30400b18470c004fb911ec5e68","target":"record","created_at":"2026-07-05T09:12:59Z","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":"a2b7604e48e15c8f87c407c2ce55aa754a9de70c15ed8a513594ac9797fba613","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-02-14T11:59:23Z","title_canon_sha256":"9d9907449ea79f7bb2d42e4c793998c9e37b3cb669af8796cdde8c32a0c5cef9"},"schema_version":"1.0","source":{"id":"2402.09116","kind":"arxiv","version":2}},"canonical_sha256":"dc83f0cef3bb30001fa0ac5824d90ec7a056bf3d883f7b2d80bc4a7f1f0230c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc83f0cef3bb30001fa0ac5824d90ec7a056bf3d883f7b2d80bc4a7f1f0230c7","first_computed_at":"2026-07-05T09:12:59.271969Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:12:59.271969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NWoLPPNHLWWlb4z8lRbUp6Ux+V5K2wnIHHJAW56ZemuLzbmmz3RIyd5N9qGpNbyQs+kqnFP1bMwGwkFzmjKsDg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:12:59.272395Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.09116","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e2661f7b6114d7da024562e8dd4052bf73185b30400b18470c004fb911ec5e68","sha256:8c304550d40d29831a63a50eb4484cb8d14555e715820edb8af8d8ba1395154b"],"state_sha256":"6b3de8b43e13e0685093610619c58a704008112d3d96bd84d1bcdb736114975c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LsD/LOPwl44/oNTQ0m6spnxJZ9KOKQmnrTGmSi3tnorl41dgyzg+KQt38rjqC4inM0y8AlOIwqnmNg62Uft/AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T00:06:41.627424Z","bundle_sha256":"c3487a24f792e9c98e781f1c3dfddfc123f004522efa05ab3de3fe6cdabff901"}}