{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:SREAXV23YPUSWSVQDYXFU6NJFX","short_pith_number":"pith:SREAXV23","canonical_record":{"source":{"id":"1404.0277","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-01T15:30:53Z","cross_cats_sorted":[],"title_canon_sha256":"6d22462a85d33153e22d69d155c7df02a54502a2341ae395a4ad9a0a014f2a66","abstract_canon_sha256":"7c9f943c74e6642241e23a4118091b4e443565e5524794686facaf2bf42e68d0"},"schema_version":"1.0"},"canonical_sha256":"94480bd75bc3e92b4ab01e2e5a79a92df3586808934278e6f5cb83ff76340ab9","source":{"kind":"arxiv","id":"1404.0277","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.0277","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"arxiv_version","alias_value":"1404.0277v2","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.0277","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"pith_short_12","alias_value":"SREAXV23YPUS","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SREAXV23YPUSWSVQ","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SREAXV23","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:SREAXV23YPUSWSVQDYXFU6NJFX","target":"record","payload":{"canonical_record":{"source":{"id":"1404.0277","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-01T15:30:53Z","cross_cats_sorted":[],"title_canon_sha256":"6d22462a85d33153e22d69d155c7df02a54502a2341ae395a4ad9a0a014f2a66","abstract_canon_sha256":"7c9f943c74e6642241e23a4118091b4e443565e5524794686facaf2bf42e68d0"},"schema_version":"1.0"},"canonical_sha256":"94480bd75bc3e92b4ab01e2e5a79a92df3586808934278e6f5cb83ff76340ab9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:59.510127Z","signature_b64":"omurfFWHgBoa3D2CXrKRmeKRlDAYOTQu4FafvFo+NL+GAcwiofXO/N6a3GUyO0+xhbY9KWwXlJmY5ZRvIYVHAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94480bd75bc3e92b4ab01e2e5a79a92df3586808934278e6f5cb83ff76340ab9","last_reissued_at":"2026-05-18T02:41:59.509713Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:59.509713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.0277","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":"2026-05-18T02:41:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nxlq0CBCkGGO7R54aFtLrHWuFt75WGVEMlJdTzh2fwh6YZCksF3vWD4NGaHUe32ytWsvRzuZM//I73pXV95+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:39:31.518391Z"},"content_sha256":"b160dc31dac00476e5d26829e4254286d195c6ede77075206536f28cdfcf504f","schema_version":"1.0","event_id":"sha256:b160dc31dac00476e5d26829e4254286d195c6ede77075206536f28cdfcf504f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:SREAXV23YPUSWSVQDYXFU6NJFX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Game-theoretic characterization of antidegradable channels","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Francesco Buscemi, Nilanjana Datta, Sergii Strelchuk","submitted_at":"2014-04-01T15:30:53Z","abstract_excerpt":"We introduce a guessing game involving a quantum channel, three parties - the sender, the receiver and an eavesdropper, Eve - and a quantum public side channel. We prove that a necessary and sufficient condition for the quantum channel to be antidegradable, is that Eve wins the game. We thus obtain a complete operational characterization of antidegradable channels in a game-theoretic framework."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.0277","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":"2026-05-18T02:41:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J/pnTQK5CxIy6yKuxBTaBBXJNfiAKF7lov+8bDB6wgzGG8AfMA8pHanq8QO6k3w9T2la9mic3fA3YSfjjsUFDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:39:31.519032Z"},"content_sha256":"02590680d0e53f60992a2b411787f28acd74579625036ca93c2e8294448ab940","schema_version":"1.0","event_id":"sha256:02590680d0e53f60992a2b411787f28acd74579625036ca93c2e8294448ab940"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SREAXV23YPUSWSVQDYXFU6NJFX/bundle.json","state_url":"https://pith.science/pith/SREAXV23YPUSWSVQDYXFU6NJFX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SREAXV23YPUSWSVQDYXFU6NJFX/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":"2026-05-26T17:39:31Z","links":{"resolver":"https://pith.science/pith/SREAXV23YPUSWSVQDYXFU6NJFX","bundle":"https://pith.science/pith/SREAXV23YPUSWSVQDYXFU6NJFX/bundle.json","state":"https://pith.science/pith/SREAXV23YPUSWSVQDYXFU6NJFX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SREAXV23YPUSWSVQDYXFU6NJFX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:SREAXV23YPUSWSVQDYXFU6NJFX","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":"7c9f943c74e6642241e23a4118091b4e443565e5524794686facaf2bf42e68d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-01T15:30:53Z","title_canon_sha256":"6d22462a85d33153e22d69d155c7df02a54502a2341ae395a4ad9a0a014f2a66"},"schema_version":"1.0","source":{"id":"1404.0277","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.0277","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"arxiv_version","alias_value":"1404.0277v2","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.0277","created_at":"2026-05-18T02:41:59Z"},{"alias_kind":"pith_short_12","alias_value":"SREAXV23YPUS","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SREAXV23YPUSWSVQ","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SREAXV23","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:02590680d0e53f60992a2b411787f28acd74579625036ca93c2e8294448ab940","target":"graph","created_at":"2026-05-18T02:41:59Z","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"},"paper":{"abstract_excerpt":"We introduce a guessing game involving a quantum channel, three parties - the sender, the receiver and an eavesdropper, Eve - and a quantum public side channel. We prove that a necessary and sufficient condition for the quantum channel to be antidegradable, is that Eve wins the game. We thus obtain a complete operational characterization of antidegradable channels in a game-theoretic framework.","authors_text":"Francesco Buscemi, Nilanjana Datta, Sergii Strelchuk","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-01T15:30:53Z","title":"Game-theoretic characterization of antidegradable channels"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.0277","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:b160dc31dac00476e5d26829e4254286d195c6ede77075206536f28cdfcf504f","target":"record","created_at":"2026-05-18T02:41:59Z","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":"7c9f943c74e6642241e23a4118091b4e443565e5524794686facaf2bf42e68d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-04-01T15:30:53Z","title_canon_sha256":"6d22462a85d33153e22d69d155c7df02a54502a2341ae395a4ad9a0a014f2a66"},"schema_version":"1.0","source":{"id":"1404.0277","kind":"arxiv","version":2}},"canonical_sha256":"94480bd75bc3e92b4ab01e2e5a79a92df3586808934278e6f5cb83ff76340ab9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"94480bd75bc3e92b4ab01e2e5a79a92df3586808934278e6f5cb83ff76340ab9","first_computed_at":"2026-05-18T02:41:59.509713Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:41:59.509713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"omurfFWHgBoa3D2CXrKRmeKRlDAYOTQu4FafvFo+NL+GAcwiofXO/N6a3GUyO0+xhbY9KWwXlJmY5ZRvIYVHAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:41:59.510127Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.0277","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b160dc31dac00476e5d26829e4254286d195c6ede77075206536f28cdfcf504f","sha256:02590680d0e53f60992a2b411787f28acd74579625036ca93c2e8294448ab940"],"state_sha256":"a3d4e3f6be2eeab1f91b4d4cb9ca1cb76a71d02859a119e75c7832355fa7ac82"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sPYXls1p8vxQQf7ZXidBRlY6TvWXonkHIdWsNfUUAgu0PL7gCBjzGUH8PzG3/luWAC7rCYAhGraiPRyiNGj3Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:39:31.522286Z","bundle_sha256":"ac618d92995bb796d51fb210b029404d8501beff7a3aa01cce4293ff17b306ca"}}