{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:JI46UCDE5CYBUPCKPHMMHQZ2LY","short_pith_number":"pith:JI46UCDE","canonical_record":{"source":{"id":"2605.20958","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-20T09:44:21Z","cross_cats_sorted":[],"title_canon_sha256":"aabefc2dcbb7b687e6e7ce4251037e39f3000c360315a260ae6a01496f5ad1ae","abstract_canon_sha256":"894fc4b843ad1890effb217e4f3f8edd3f5f38259b06fc6ad4e494273f606915"},"schema_version":"1.0"},"canonical_sha256":"4a39ea0864e8b01a3c4a79d8c3c33a5e35366293289cf0011a6d3ad3e967e639","source":{"kind":"arxiv","id":"2605.20958","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.20958","created_at":"2026-05-21T01:05:29Z"},{"alias_kind":"arxiv_version","alias_value":"2605.20958v1","created_at":"2026-05-21T01:05:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.20958","created_at":"2026-05-21T01:05:29Z"},{"alias_kind":"pith_short_12","alias_value":"JI46UCDE5CYB","created_at":"2026-05-21T01:05:29Z"},{"alias_kind":"pith_short_16","alias_value":"JI46UCDE5CYBUPCK","created_at":"2026-05-21T01:05:29Z"},{"alias_kind":"pith_short_8","alias_value":"JI46UCDE","created_at":"2026-05-21T01:05:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:JI46UCDE5CYBUPCKPHMMHQZ2LY","target":"record","payload":{"canonical_record":{"source":{"id":"2605.20958","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-20T09:44:21Z","cross_cats_sorted":[],"title_canon_sha256":"aabefc2dcbb7b687e6e7ce4251037e39f3000c360315a260ae6a01496f5ad1ae","abstract_canon_sha256":"894fc4b843ad1890effb217e4f3f8edd3f5f38259b06fc6ad4e494273f606915"},"schema_version":"1.0"},"canonical_sha256":"4a39ea0864e8b01a3c4a79d8c3c33a5e35366293289cf0011a6d3ad3e967e639","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:05:29.807428Z","signature_b64":"VpVPFC86TX2ey8oPTeMll5FuGW0j2GP81tE0JHSf68Oaa9M5yf2eOFgtxao1LTEKrUqzQOirxKeFgSo0gwt/Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a39ea0864e8b01a3c4a79d8c3c33a5e35366293289cf0011a6d3ad3e967e639","last_reissued_at":"2026-05-21T01:05:29.806639Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:05:29.806639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.20958","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-21T01:05:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p1yd21S1/w8O4ZbzHeiVBzI7OgO5ujTKRH3jDGGeCop724m783VdRtkwQUWIIshcexL5dT5tjifkQPljCtbcCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:13:06.581910Z"},"content_sha256":"03d5870e7cc624c26c9dc03c2308790a7478b13b57b7f7a38f8cef213aae1e39","schema_version":"1.0","event_id":"sha256:03d5870e7cc624c26c9dc03c2308790a7478b13b57b7f7a38f8cef213aae1e39"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:JI46UCDE5CYBUPCKPHMMHQZ2LY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-Dimensional Carrier-Assisted Entanglement Purification Based on Mutually Unbiased Bases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Lin Chen, Yongge Wang, Zihua Song","submitted_at":"2026-05-20T09:44:21Z","abstract_excerpt":"Distilling high-dimensional quantum entanglement under realistic, general asymmetric noise remains a formidable challenge. Standard entanglement purification protocols inevitably fail to satisfy convergence constraints under severe asymmetric noise. In this paper, we investigate carrier-assisted entanglement purification protocols, namely CAEPP and mCAEPP, for two-qutrit systems, demonstrating that without adaptive pre-processing, convergence is strictly bottlenecked by marginal $X$-error probabilities. To overcome this limitation, we introduce a deterministic pre-processing scheme based on mu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.20958","kind":"arxiv","version":1},"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/2605.20958/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":"2026-05-21T01:05:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5U+sSyOE0wLDMxBw5rZ2HV3G9TPXzFB5UhemtKcotVNSvciT5dpb38i0/IrRtdjMADs88q+SyIlLSU4L6smaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:13:06.582299Z"},"content_sha256":"bc0e1af21a34e8e97a14a3f32fdd6dee3493dcdc730a8f428be3e56e93c1d24a","schema_version":"1.0","event_id":"sha256:bc0e1af21a34e8e97a14a3f32fdd6dee3493dcdc730a8f428be3e56e93c1d24a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JI46UCDE5CYBUPCKPHMMHQZ2LY/bundle.json","state_url":"https://pith.science/pith/JI46UCDE5CYBUPCKPHMMHQZ2LY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JI46UCDE5CYBUPCKPHMMHQZ2LY/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":"2026-05-26T17:13:06Z","links":{"resolver":"https://pith.science/pith/JI46UCDE5CYBUPCKPHMMHQZ2LY","bundle":"https://pith.science/pith/JI46UCDE5CYBUPCKPHMMHQZ2LY/bundle.json","state":"https://pith.science/pith/JI46UCDE5CYBUPCKPHMMHQZ2LY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JI46UCDE5CYBUPCKPHMMHQZ2LY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JI46UCDE5CYBUPCKPHMMHQZ2LY","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":"894fc4b843ad1890effb217e4f3f8edd3f5f38259b06fc6ad4e494273f606915","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-20T09:44:21Z","title_canon_sha256":"aabefc2dcbb7b687e6e7ce4251037e39f3000c360315a260ae6a01496f5ad1ae"},"schema_version":"1.0","source":{"id":"2605.20958","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.20958","created_at":"2026-05-21T01:05:29Z"},{"alias_kind":"arxiv_version","alias_value":"2605.20958v1","created_at":"2026-05-21T01:05:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.20958","created_at":"2026-05-21T01:05:29Z"},{"alias_kind":"pith_short_12","alias_value":"JI46UCDE5CYB","created_at":"2026-05-21T01:05:29Z"},{"alias_kind":"pith_short_16","alias_value":"JI46UCDE5CYBUPCK","created_at":"2026-05-21T01:05:29Z"},{"alias_kind":"pith_short_8","alias_value":"JI46UCDE","created_at":"2026-05-21T01:05:29Z"}],"graph_snapshots":[{"event_id":"sha256:bc0e1af21a34e8e97a14a3f32fdd6dee3493dcdc730a8f428be3e56e93c1d24a","target":"graph","created_at":"2026-05-21T01:05:29Z","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/2605.20958/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Distilling high-dimensional quantum entanglement under realistic, general asymmetric noise remains a formidable challenge. Standard entanglement purification protocols inevitably fail to satisfy convergence constraints under severe asymmetric noise. In this paper, we investigate carrier-assisted entanglement purification protocols, namely CAEPP and mCAEPP, for two-qutrit systems, demonstrating that without adaptive pre-processing, convergence is strictly bottlenecked by marginal $X$-error probabilities. To overcome this limitation, we introduce a deterministic pre-processing scheme based on mu","authors_text":"Lin Chen, Yongge Wang, Zihua Song","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-20T09:44:21Z","title":"High-Dimensional Carrier-Assisted Entanglement Purification Based on Mutually Unbiased Bases"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.20958","kind":"arxiv","version":1},"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":"sha256:03d5870e7cc624c26c9dc03c2308790a7478b13b57b7f7a38f8cef213aae1e39","target":"record","created_at":"2026-05-21T01:05:29Z","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":"894fc4b843ad1890effb217e4f3f8edd3f5f38259b06fc6ad4e494273f606915","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-20T09:44:21Z","title_canon_sha256":"aabefc2dcbb7b687e6e7ce4251037e39f3000c360315a260ae6a01496f5ad1ae"},"schema_version":"1.0","source":{"id":"2605.20958","kind":"arxiv","version":1}},"canonical_sha256":"4a39ea0864e8b01a3c4a79d8c3c33a5e35366293289cf0011a6d3ad3e967e639","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a39ea0864e8b01a3c4a79d8c3c33a5e35366293289cf0011a6d3ad3e967e639","first_computed_at":"2026-05-21T01:05:29.806639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T01:05:29.806639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VpVPFC86TX2ey8oPTeMll5FuGW0j2GP81tE0JHSf68Oaa9M5yf2eOFgtxao1LTEKrUqzQOirxKeFgSo0gwt/Ag==","signature_status":"signed_v1","signed_at":"2026-05-21T01:05:29.807428Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.20958","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:03d5870e7cc624c26c9dc03c2308790a7478b13b57b7f7a38f8cef213aae1e39","sha256:bc0e1af21a34e8e97a14a3f32fdd6dee3493dcdc730a8f428be3e56e93c1d24a"],"state_sha256":"5ec9ff7736d501cd33ebe96dfc38958a689c3ace2da8c77a8467fb258f138c4b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v1pP1bADxGVCL747SIA1zdLc2QverSjtocZkayd3VZ86MKtdvFlFT0hqtkdC5JViThukRRuzKVYtoBaHDVdjDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:13:06.585703Z","bundle_sha256":"564489eb2c56ac17446cec0ccc29f3edc8128846ee3576048144d40b87e24987"}}