{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:6MORXJIRZQ2K5LVPA5WNBRNACC","short_pith_number":"pith:6MORXJIR","canonical_record":{"source":{"id":"1608.08046","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-08-29T13:48:41Z","cross_cats_sorted":[],"title_canon_sha256":"176c0c018b2fd6af30067323e3e8e8007683942f71fb1031c65a47e3f8702a22","abstract_canon_sha256":"8e37ee4efb385e135dceea97e4b19177bfceba8c6376abe15d08012d81c2c8df"},"schema_version":"1.0"},"canonical_sha256":"f31d1ba511cc34aeaeaf076cd0c5a010896e6d9150e522c93bcb928d90fd0ad2","source":{"kind":"arxiv","id":"1608.08046","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.08046","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"arxiv_version","alias_value":"1608.08046v2","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.08046","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"pith_short_12","alias_value":"6MORXJIRZQ2K","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"6MORXJIRZQ2K5LVP","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"6MORXJIR","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:6MORXJIRZQ2K5LVPA5WNBRNACC","target":"record","payload":{"canonical_record":{"source":{"id":"1608.08046","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-08-29T13:48:41Z","cross_cats_sorted":[],"title_canon_sha256":"176c0c018b2fd6af30067323e3e8e8007683942f71fb1031c65a47e3f8702a22","abstract_canon_sha256":"8e37ee4efb385e135dceea97e4b19177bfceba8c6376abe15d08012d81c2c8df"},"schema_version":"1.0"},"canonical_sha256":"f31d1ba511cc34aeaeaf076cd0c5a010896e6d9150e522c93bcb928d90fd0ad2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:12.365440Z","signature_b64":"rnANI5BG3gKBH3wxDmBXXkhcbcooM/QGdZbfWjLuMZmVGrZaW8XDPlwgRS6CKKelVqzk9FImEbgPpsXyv17rCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f31d1ba511cc34aeaeaf076cd0c5a010896e6d9150e522c93bcb928d90fd0ad2","last_reissued_at":"2026-05-18T00:50:12.364932Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:12.364932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.08046","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":"2026-05-18T00:50:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fgjfEA6wekD1MrjjW4WfQab9QYO5lz7wAhToQIjLtL07Lf4tm0w1ZXTLo2Ud5wAMMouA3gOXterXyiOgvmZjCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:24:04.782140Z"},"content_sha256":"42370c196a5023d59ac2f9a27ddd2ee1b4ba496c0867cc2a9733919d11354a56","schema_version":"1.0","event_id":"sha256:42370c196a5023d59ac2f9a27ddd2ee1b4ba496c0867cc2a9733919d11354a56"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:6MORXJIRZQ2K5LVPA5WNBRNACC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universal freezing of asymmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Da-Jian Zhang, D. M. Tong, Hua-Lin Huang, Xiao-Dong Yu","submitted_at":"2016-08-29T13:48:41Z","abstract_excerpt":"Asymmetry of quantum states is a useful resource in applications such as quantum metrology, quantum communication, and reference frame alignment. However, asymmetry of a state tends to be degraded in physical scenarios where environment-induced noise is described by covariant operations, e.g., open systems constrained by superselection rules, and such degradations weaken the abilities of the state to implement quantum information processing tasks. In this paper, we investigate under which dynamical conditions asymmetry of a state is totally unaffected by the noise described by covariant operat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.08046","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":"2026-05-18T00:50:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ItOdBw/RWvv+O+ol0ECguKx9SEuM300U8Ro37krcjho7sAg2MCkw/hXXY4PcIhqetaJN7nEYMuJxten5DSe4CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:24:04.782494Z"},"content_sha256":"6d880866764562fb2c5e0bc62d20acfcfc1aeff90fb260d37004bbb087040aed","schema_version":"1.0","event_id":"sha256:6d880866764562fb2c5e0bc62d20acfcfc1aeff90fb260d37004bbb087040aed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6MORXJIRZQ2K5LVPA5WNBRNACC/bundle.json","state_url":"https://pith.science/pith/6MORXJIRZQ2K5LVPA5WNBRNACC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6MORXJIRZQ2K5LVPA5WNBRNACC/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":"2026-06-01T05:24:04Z","links":{"resolver":"https://pith.science/pith/6MORXJIRZQ2K5LVPA5WNBRNACC","bundle":"https://pith.science/pith/6MORXJIRZQ2K5LVPA5WNBRNACC/bundle.json","state":"https://pith.science/pith/6MORXJIRZQ2K5LVPA5WNBRNACC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6MORXJIRZQ2K5LVPA5WNBRNACC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:6MORXJIRZQ2K5LVPA5WNBRNACC","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":"8e37ee4efb385e135dceea97e4b19177bfceba8c6376abe15d08012d81c2c8df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-08-29T13:48:41Z","title_canon_sha256":"176c0c018b2fd6af30067323e3e8e8007683942f71fb1031c65a47e3f8702a22"},"schema_version":"1.0","source":{"id":"1608.08046","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.08046","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"arxiv_version","alias_value":"1608.08046v2","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.08046","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"pith_short_12","alias_value":"6MORXJIRZQ2K","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"6MORXJIRZQ2K5LVP","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"6MORXJIR","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:6d880866764562fb2c5e0bc62d20acfcfc1aeff90fb260d37004bbb087040aed","target":"graph","created_at":"2026-05-18T00:50:12Z","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":"Asymmetry of quantum states is a useful resource in applications such as quantum metrology, quantum communication, and reference frame alignment. However, asymmetry of a state tends to be degraded in physical scenarios where environment-induced noise is described by covariant operations, e.g., open systems constrained by superselection rules, and such degradations weaken the abilities of the state to implement quantum information processing tasks. In this paper, we investigate under which dynamical conditions asymmetry of a state is totally unaffected by the noise described by covariant operat","authors_text":"Da-Jian Zhang, D. M. Tong, Hua-Lin Huang, Xiao-Dong Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-08-29T13:48:41Z","title":"Universal freezing of asymmetry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.08046","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":"sha256:42370c196a5023d59ac2f9a27ddd2ee1b4ba496c0867cc2a9733919d11354a56","target":"record","created_at":"2026-05-18T00:50:12Z","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":"8e37ee4efb385e135dceea97e4b19177bfceba8c6376abe15d08012d81c2c8df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-08-29T13:48:41Z","title_canon_sha256":"176c0c018b2fd6af30067323e3e8e8007683942f71fb1031c65a47e3f8702a22"},"schema_version":"1.0","source":{"id":"1608.08046","kind":"arxiv","version":2}},"canonical_sha256":"f31d1ba511cc34aeaeaf076cd0c5a010896e6d9150e522c93bcb928d90fd0ad2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f31d1ba511cc34aeaeaf076cd0c5a010896e6d9150e522c93bcb928d90fd0ad2","first_computed_at":"2026-05-18T00:50:12.364932Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:12.364932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rnANI5BG3gKBH3wxDmBXXkhcbcooM/QGdZbfWjLuMZmVGrZaW8XDPlwgRS6CKKelVqzk9FImEbgPpsXyv17rCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:12.365440Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.08046","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42370c196a5023d59ac2f9a27ddd2ee1b4ba496c0867cc2a9733919d11354a56","sha256:6d880866764562fb2c5e0bc62d20acfcfc1aeff90fb260d37004bbb087040aed"],"state_sha256":"a81ddd561b7fdf24f8c710e3661219d920df4f2115769e9e540f4f4c2fc24133"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGLiAJ3bges2Nq0ATEqB+jxRTONFxGZnJnbsayXsDV22epyPVbFtztDtEwfLIjoKob8gt5PEfwVYShpWhFqZBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:24:04.784591Z","bundle_sha256":"d728ca6c45031849711edf8694d0c9105cb0a7df58bfeac9fe4986013279caba"}}