{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:AH47C3TSAD5AGOFZ3WCOQNEHFL","short_pith_number":"pith:AH47C3TS","canonical_record":{"source":{"id":"2605.23331","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2026-05-22T07:45:50Z","cross_cats_sorted":[],"title_canon_sha256":"eda7cbb2ac2b94d06e3a258509ea81e7bd8567596c8593a3088774f559f76fde","abstract_canon_sha256":"fce558dafde0b5baceb4088a3ace23de51afae80e9cf4cc05b3ddcf7e9540700"},"schema_version":"1.0"},"canonical_sha256":"01f9f16e7200fa0338b9dd84e834872af7693f063528907231d873ca370a15df","source":{"kind":"arxiv","id":"2605.23331","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.23331","created_at":"2026-05-25T02:01:49Z"},{"alias_kind":"arxiv_version","alias_value":"2605.23331v1","created_at":"2026-05-25T02:01:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.23331","created_at":"2026-05-25T02:01:49Z"},{"alias_kind":"pith_short_12","alias_value":"AH47C3TSAD5A","created_at":"2026-05-25T02:01:49Z"},{"alias_kind":"pith_short_16","alias_value":"AH47C3TSAD5AGOFZ","created_at":"2026-05-25T02:01:49Z"},{"alias_kind":"pith_short_8","alias_value":"AH47C3TS","created_at":"2026-05-25T02:01:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:AH47C3TSAD5AGOFZ3WCOQNEHFL","target":"record","payload":{"canonical_record":{"source":{"id":"2605.23331","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2026-05-22T07:45:50Z","cross_cats_sorted":[],"title_canon_sha256":"eda7cbb2ac2b94d06e3a258509ea81e7bd8567596c8593a3088774f559f76fde","abstract_canon_sha256":"fce558dafde0b5baceb4088a3ace23de51afae80e9cf4cc05b3ddcf7e9540700"},"schema_version":"1.0"},"canonical_sha256":"01f9f16e7200fa0338b9dd84e834872af7693f063528907231d873ca370a15df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-25T02:01:49.301812Z","signature_b64":"i0gorcf9cyB8anRDFulToS6flGZMn3yz4ZTSDEGtkRmNnejHfHHC+4hb8q/t+EenaCT7iSIYAUX1rJfq1FwLDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01f9f16e7200fa0338b9dd84e834872af7693f063528907231d873ca370a15df","last_reissued_at":"2026-05-25T02:01:49.301188Z","signature_status":"signed_v1","first_computed_at":"2026-05-25T02:01:49.301188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.23331","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":"2026-05-25T02:01:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"enpBmhvs505xzj8ZuZ93nk+l+lX6Ac/qpDutRGQppE6dF453iGHZgWttQtk366VmFGlmNl7epUSFT28Sr74yDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:14:55.174536Z"},"content_sha256":"88f01ba94379c9751da83d4a3a689862cb6805d9dd1c370d1226daa4e3f5b4d8","schema_version":"1.0","event_id":"sha256:88f01ba94379c9751da83d4a3a689862cb6805d9dd1c370d1226daa4e3f5b4d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:AH47C3TSAD5AGOFZ3WCOQNEHFL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Purification Strategy Optimization for Entanglement Routing in Quantum Networks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Ana Fern\\'andez-Vilas, Javier Vecino Pe\\~nas, Manuel Fern\\'andez-Veiga, Rebeca P. D\\'iaz-Redondo, Sergio G\\'andara G\\'andara","submitted_at":"2026-05-22T07:45:50Z","abstract_excerpt":"Quantum networks rely on the efficient distribution of entanglement to enable long-distance quantum communication and information processing. A key challenge in these networks is the design of routing protocols capable of maintaining high quality entanglement in the presence of noise, decoherence, and imperfect operations, which progressively degrade the fidelity of entangled states through entanglement swapping. Entanglement purification provides an effective mechanism to mitigate this degradation at the cost of additional resources. In this work, we study purification-aware quantum routing a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.23331","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/2605.23331/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":"2026-05-25T02:01:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IHvnGVYqy40u5qthltDbdn8tUIMxO8ZqODc3dskOUcK4a1ziEm7UQR1LiHFpYEoGPTPv7xYCvbZ03Cp1JmkKDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:14:55.175241Z"},"content_sha256":"fdfa20f2d30652660b43c570f8d40f4478d302d01cc774998e18a615eaf8e75e","schema_version":"1.0","event_id":"sha256:fdfa20f2d30652660b43c570f8d40f4478d302d01cc774998e18a615eaf8e75e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AH47C3TSAD5AGOFZ3WCOQNEHFL/bundle.json","state_url":"https://pith.science/pith/AH47C3TSAD5AGOFZ3WCOQNEHFL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AH47C3TSAD5AGOFZ3WCOQNEHFL/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":"2026-05-27T22:14:55Z","links":{"resolver":"https://pith.science/pith/AH47C3TSAD5AGOFZ3WCOQNEHFL","bundle":"https://pith.science/pith/AH47C3TSAD5AGOFZ3WCOQNEHFL/bundle.json","state":"https://pith.science/pith/AH47C3TSAD5AGOFZ3WCOQNEHFL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AH47C3TSAD5AGOFZ3WCOQNEHFL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AH47C3TSAD5AGOFZ3WCOQNEHFL","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":"fce558dafde0b5baceb4088a3ace23de51afae80e9cf4cc05b3ddcf7e9540700","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2026-05-22T07:45:50Z","title_canon_sha256":"eda7cbb2ac2b94d06e3a258509ea81e7bd8567596c8593a3088774f559f76fde"},"schema_version":"1.0","source":{"id":"2605.23331","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.23331","created_at":"2026-05-25T02:01:49Z"},{"alias_kind":"arxiv_version","alias_value":"2605.23331v1","created_at":"2026-05-25T02:01:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.23331","created_at":"2026-05-25T02:01:49Z"},{"alias_kind":"pith_short_12","alias_value":"AH47C3TSAD5A","created_at":"2026-05-25T02:01:49Z"},{"alias_kind":"pith_short_16","alias_value":"AH47C3TSAD5AGOFZ","created_at":"2026-05-25T02:01:49Z"},{"alias_kind":"pith_short_8","alias_value":"AH47C3TS","created_at":"2026-05-25T02:01:49Z"}],"graph_snapshots":[{"event_id":"sha256:fdfa20f2d30652660b43c570f8d40f4478d302d01cc774998e18a615eaf8e75e","target":"graph","created_at":"2026-05-25T02:01:49Z","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/2605.23331/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum networks rely on the efficient distribution of entanglement to enable long-distance quantum communication and information processing. A key challenge in these networks is the design of routing protocols capable of maintaining high quality entanglement in the presence of noise, decoherence, and imperfect operations, which progressively degrade the fidelity of entangled states through entanglement swapping. Entanglement purification provides an effective mechanism to mitigate this degradation at the cost of additional resources. In this work, we study purification-aware quantum routing a","authors_text":"Ana Fern\\'andez-Vilas, Javier Vecino Pe\\~nas, Manuel Fern\\'andez-Veiga, Rebeca P. D\\'iaz-Redondo, Sergio G\\'andara G\\'andara","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2026-05-22T07:45:50Z","title":"Purification Strategy Optimization for Entanglement Routing in Quantum Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.23331","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":"sha256:88f01ba94379c9751da83d4a3a689862cb6805d9dd1c370d1226daa4e3f5b4d8","target":"record","created_at":"2026-05-25T02:01:49Z","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":"fce558dafde0b5baceb4088a3ace23de51afae80e9cf4cc05b3ddcf7e9540700","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.NI","submitted_at":"2026-05-22T07:45:50Z","title_canon_sha256":"eda7cbb2ac2b94d06e3a258509ea81e7bd8567596c8593a3088774f559f76fde"},"schema_version":"1.0","source":{"id":"2605.23331","kind":"arxiv","version":1}},"canonical_sha256":"01f9f16e7200fa0338b9dd84e834872af7693f063528907231d873ca370a15df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01f9f16e7200fa0338b9dd84e834872af7693f063528907231d873ca370a15df","first_computed_at":"2026-05-25T02:01:49.301188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-25T02:01:49.301188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i0gorcf9cyB8anRDFulToS6flGZMn3yz4ZTSDEGtkRmNnejHfHHC+4hb8q/t+EenaCT7iSIYAUX1rJfq1FwLDA==","signature_status":"signed_v1","signed_at":"2026-05-25T02:01:49.301812Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.23331","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:88f01ba94379c9751da83d4a3a689862cb6805d9dd1c370d1226daa4e3f5b4d8","sha256:fdfa20f2d30652660b43c570f8d40f4478d302d01cc774998e18a615eaf8e75e"],"state_sha256":"2350d062f930d44aad359f79f6531381e21fa39cb139d4d4df1f331571c7634e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iEqEyC4tjV4izCysV62Jm5TDtF0InzEXR1DdezFv+YqIXCrM1gUarPXP1Pp3JDe9gproNFsEo+WTo5i8zcLbDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:14:55.178588Z","bundle_sha256":"ed81a4cbd95531048ea10834f7e3b11037b08e271f36c3320e37c8fc7f2af1d5"}}