{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:LZCX4RUX6IRKNAWNG66GF4UOAX","short_pith_number":"pith:LZCX4RUX","canonical_record":{"source":{"id":"2202.10886","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-02-22T13:36:31Z","cross_cats_sorted":[],"title_canon_sha256":"59e40e5f6d0e8275069113111aeb6bde282e1b4f977c9b17f396c119afbdcf13","abstract_canon_sha256":"4b91bde5406569e1dc67205e1e86dd59a8150a13a5b1b00d6603cdad000ec12a"},"schema_version":"1.0"},"canonical_sha256":"5e457e4697f222a682cd37bc62f28e05ec74319b6a5646ccd920c940db53a37e","source":{"kind":"arxiv","id":"2202.10886","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.10886","created_at":"2026-07-05T04:38:35Z"},{"alias_kind":"arxiv_version","alias_value":"2202.10886v1","created_at":"2026-07-05T04:38:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.10886","created_at":"2026-07-05T04:38:35Z"},{"alias_kind":"pith_short_12","alias_value":"LZCX4RUX6IRK","created_at":"2026-07-05T04:38:35Z"},{"alias_kind":"pith_short_16","alias_value":"LZCX4RUX6IRKNAWN","created_at":"2026-07-05T04:38:35Z"},{"alias_kind":"pith_short_8","alias_value":"LZCX4RUX","created_at":"2026-07-05T04:38:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:LZCX4RUX6IRKNAWNG66GF4UOAX","target":"record","payload":{"canonical_record":{"source":{"id":"2202.10886","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-02-22T13:36:31Z","cross_cats_sorted":[],"title_canon_sha256":"59e40e5f6d0e8275069113111aeb6bde282e1b4f977c9b17f396c119afbdcf13","abstract_canon_sha256":"4b91bde5406569e1dc67205e1e86dd59a8150a13a5b1b00d6603cdad000ec12a"},"schema_version":"1.0"},"canonical_sha256":"5e457e4697f222a682cd37bc62f28e05ec74319b6a5646ccd920c940db53a37e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:38:35.204548Z","signature_b64":"LOudlYTFibJIcDeCzUCOpJ7IOSlwIz/DbAa+gixEA+6b+x7BKxSZntURqReS0LEcFTZQXNMVWe1kuhYEhSlRAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e457e4697f222a682cd37bc62f28e05ec74319b6a5646ccd920c940db53a37e","last_reissued_at":"2026-07-05T04:38:35.204136Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:38:35.204136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.10886","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":"2026-07-05T04:38:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9WE7cBg1GvP94BSpfWn8xWfibQwzU0EBDpHr4D8ptaKQN0m1uW63LM3TAh66Cqc4671Szm38etCJZMvbSCjyCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:49:43.902740Z"},"content_sha256":"2eb06a4342656e65f5a0dfcb6601b380b155c7422acc3323f254964729271b33","schema_version":"1.0","event_id":"sha256:2eb06a4342656e65f5a0dfcb6601b380b155c7422acc3323f254964729271b33"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:LZCX4RUX6IRKNAWNG66GF4UOAX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Limitations of nearest-neighbour quantum networks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Anna Pappa, Axel Dahlberg, Frederik Hahn, Jens Eisert","submitted_at":"2022-02-22T13:36:31Z","abstract_excerpt":"Quantum communication research has in recent years shifted to include multi-partite networks for which questions of quantum network routing naturally emerge. To understand the potential for multi-partite routing, we focus on the most promising architectures for future quantum networks - those connecting nodes close to each other. Nearest-neighbour networks such as rings, lines, and grids, have been studied under different communication scenarios to facilitate the sharing of quantum resources, especially in the presence of bottlenecks. We here analyze the potential of nearest-neighbour quantum "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.10886","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/2202.10886/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":"2026-07-05T04:38:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+CyDh/5DIaaCJkactTOd+lOSoM4KBrUnGG7aJVdIHi9xvAS23zwrwCHOz3NQXYggvNgJbm6NHN8eRLxc/L/CBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:49:43.903262Z"},"content_sha256":"e40ad8f2b2b9b3b1dd32547f78f9f9bfd4c2eac4df673210acf0f6ff1b18beae","schema_version":"1.0","event_id":"sha256:e40ad8f2b2b9b3b1dd32547f78f9f9bfd4c2eac4df673210acf0f6ff1b18beae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LZCX4RUX6IRKNAWNG66GF4UOAX/bundle.json","state_url":"https://pith.science/pith/LZCX4RUX6IRKNAWNG66GF4UOAX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LZCX4RUX6IRKNAWNG66GF4UOAX/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":"2026-08-06T11:49:43Z","links":{"resolver":"https://pith.science/pith/LZCX4RUX6IRKNAWNG66GF4UOAX","bundle":"https://pith.science/pith/LZCX4RUX6IRKNAWNG66GF4UOAX/bundle.json","state":"https://pith.science/pith/LZCX4RUX6IRKNAWNG66GF4UOAX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LZCX4RUX6IRKNAWNG66GF4UOAX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:LZCX4RUX6IRKNAWNG66GF4UOAX","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":"4b91bde5406569e1dc67205e1e86dd59a8150a13a5b1b00d6603cdad000ec12a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-02-22T13:36:31Z","title_canon_sha256":"59e40e5f6d0e8275069113111aeb6bde282e1b4f977c9b17f396c119afbdcf13"},"schema_version":"1.0","source":{"id":"2202.10886","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.10886","created_at":"2026-07-05T04:38:35Z"},{"alias_kind":"arxiv_version","alias_value":"2202.10886v1","created_at":"2026-07-05T04:38:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.10886","created_at":"2026-07-05T04:38:35Z"},{"alias_kind":"pith_short_12","alias_value":"LZCX4RUX6IRK","created_at":"2026-07-05T04:38:35Z"},{"alias_kind":"pith_short_16","alias_value":"LZCX4RUX6IRKNAWN","created_at":"2026-07-05T04:38:35Z"},{"alias_kind":"pith_short_8","alias_value":"LZCX4RUX","created_at":"2026-07-05T04:38:35Z"}],"graph_snapshots":[{"event_id":"sha256:e40ad8f2b2b9b3b1dd32547f78f9f9bfd4c2eac4df673210acf0f6ff1b18beae","target":"graph","created_at":"2026-07-05T04:38:35Z","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/2202.10886/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum communication research has in recent years shifted to include multi-partite networks for which questions of quantum network routing naturally emerge. To understand the potential for multi-partite routing, we focus on the most promising architectures for future quantum networks - those connecting nodes close to each other. Nearest-neighbour networks such as rings, lines, and grids, have been studied under different communication scenarios to facilitate the sharing of quantum resources, especially in the presence of bottlenecks. We here analyze the potential of nearest-neighbour quantum ","authors_text":"Anna Pappa, Axel Dahlberg, Frederik Hahn, Jens Eisert","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-02-22T13:36:31Z","title":"Limitations of nearest-neighbour quantum networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.10886","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":"sha256:2eb06a4342656e65f5a0dfcb6601b380b155c7422acc3323f254964729271b33","target":"record","created_at":"2026-07-05T04:38:35Z","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":"4b91bde5406569e1dc67205e1e86dd59a8150a13a5b1b00d6603cdad000ec12a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-02-22T13:36:31Z","title_canon_sha256":"59e40e5f6d0e8275069113111aeb6bde282e1b4f977c9b17f396c119afbdcf13"},"schema_version":"1.0","source":{"id":"2202.10886","kind":"arxiv","version":1}},"canonical_sha256":"5e457e4697f222a682cd37bc62f28e05ec74319b6a5646ccd920c940db53a37e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5e457e4697f222a682cd37bc62f28e05ec74319b6a5646ccd920c940db53a37e","first_computed_at":"2026-07-05T04:38:35.204136Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:38:35.204136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LOudlYTFibJIcDeCzUCOpJ7IOSlwIz/DbAa+gixEA+6b+x7BKxSZntURqReS0LEcFTZQXNMVWe1kuhYEhSlRAg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:38:35.204548Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.10886","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2eb06a4342656e65f5a0dfcb6601b380b155c7422acc3323f254964729271b33","sha256:e40ad8f2b2b9b3b1dd32547f78f9f9bfd4c2eac4df673210acf0f6ff1b18beae"],"state_sha256":"5fb083925edfd50cf56125989fa6ffbee7bb48274a2c2d3a9482dc50adf06a48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KfWuSFuYmpfqCmQWyYDWrvHcYmzHauIkKUv6UoHkY095KXewGlWFIVBf3C1TB65tVUJ7Vyof602fRw72JPhnAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T11:49:43.911735Z","bundle_sha256":"bdbe608b783c8d01723e0bc41dd11a609db93b083542c25ab050cab7e246ca34"}}