{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VCEGPE66OHHH3L66FKJVMKZL5K","short_pith_number":"pith:VCEGPE66","canonical_record":{"source":{"id":"1505.01536","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-05-06T23:01:52Z","cross_cats_sorted":[],"title_canon_sha256":"4392e068ac01c55c494f8f3f37108c6ae36a76343d861941bdb936d16e455a35","abstract_canon_sha256":"6ba74a9be8495d8e3e2b1a062ebcc78f12eb367860643e744bea4b4d490828a6"},"schema_version":"1.0"},"canonical_sha256":"a8886793de71ce7dafde2a93562b2beaa3d437a7d7509e21d57ea79868b9b3fd","source":{"kind":"arxiv","id":"1505.01536","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.01536","created_at":"2026-05-18T01:08:21Z"},{"alias_kind":"arxiv_version","alias_value":"1505.01536v1","created_at":"2026-05-18T01:08:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.01536","created_at":"2026-05-18T01:08:21Z"},{"alias_kind":"pith_short_12","alias_value":"VCEGPE66OHHH","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"VCEGPE66OHHH3L66","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"VCEGPE66","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VCEGPE66OHHH3L66FKJVMKZL5K","target":"record","payload":{"canonical_record":{"source":{"id":"1505.01536","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-05-06T23:01:52Z","cross_cats_sorted":[],"title_canon_sha256":"4392e068ac01c55c494f8f3f37108c6ae36a76343d861941bdb936d16e455a35","abstract_canon_sha256":"6ba74a9be8495d8e3e2b1a062ebcc78f12eb367860643e744bea4b4d490828a6"},"schema_version":"1.0"},"canonical_sha256":"a8886793de71ce7dafde2a93562b2beaa3d437a7d7509e21d57ea79868b9b3fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:21.266297Z","signature_b64":"37x0YAgmyKO+b0kes8NNiPmZ+/eavdyZK34HVHhC2EqV/yGj+cap2ASRlrdm0x1PHLTIscsDbAvnGR9V5rkMCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8886793de71ce7dafde2a93562b2beaa3d437a7d7509e21d57ea79868b9b3fd","last_reissued_at":"2026-05-18T01:08:21.265673Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:21.265673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.01536","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":"2026-05-18T01:08:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Li2BFrwLTQ7oEnefPznSPhIoHhSQLf12U5pX+wg5uORCkRUhiJtEFsmzim2DPFE9Cw6xy+gXhEF3SKbgF5cCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T01:49:38.588586Z"},"content_sha256":"4fd3f5c7bbccd026181703135d877baf90068b2bd53107177475f8c7b038104f","schema_version":"1.0","event_id":"sha256:4fd3f5c7bbccd026181703135d877baf90068b2bd53107177475f8c7b038104f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VCEGPE66OHHH3L66FKJVMKZL5K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Design and Analysis of Communication Protocols for Quantum Repeater Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Cody Jones, Danny Kim, Matthew T. Rakher, Paul G. Kwiat, Thaddeus D. Ladd","submitted_at":"2015-05-06T23:01:52Z","abstract_excerpt":"We analyze how the performance of a quantum-repeater network depends on the protocol employed to distribute entanglement, and we find that the choice of repeater-to-repeater link protocol has a profound impact on communication rate as a function of hardware parameters. We develop numerical simulations of quantum networks using different protocols, where the repeater hardware is modeled in terms of key performance parameters, such as photon generation rate and collection efficiency. These parameters are motivated by recent experimental demonstrations in quantum dots, trapped ions, and nitrogen-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.01536","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":""},"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":"2026-05-18T01:08:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xe4+ZHrDwdgcbJ8Prq4j765NwpRsg7gw6ZLjhazVQTaM2WxzfhBVVqPtF3jzja7+v1CSxeG3lLjpETra6tEHBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T01:49:38.588932Z"},"content_sha256":"9c726f6c917131c4ac129f62618968861e527a6f9c85adf035febc20b9365e9d","schema_version":"1.0","event_id":"sha256:9c726f6c917131c4ac129f62618968861e527a6f9c85adf035febc20b9365e9d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VCEGPE66OHHH3L66FKJVMKZL5K/bundle.json","state_url":"https://pith.science/pith/VCEGPE66OHHH3L66FKJVMKZL5K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VCEGPE66OHHH3L66FKJVMKZL5K/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":"2026-06-22T01:49:38Z","links":{"resolver":"https://pith.science/pith/VCEGPE66OHHH3L66FKJVMKZL5K","bundle":"https://pith.science/pith/VCEGPE66OHHH3L66FKJVMKZL5K/bundle.json","state":"https://pith.science/pith/VCEGPE66OHHH3L66FKJVMKZL5K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VCEGPE66OHHH3L66FKJVMKZL5K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VCEGPE66OHHH3L66FKJVMKZL5K","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":"6ba74a9be8495d8e3e2b1a062ebcc78f12eb367860643e744bea4b4d490828a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-05-06T23:01:52Z","title_canon_sha256":"4392e068ac01c55c494f8f3f37108c6ae36a76343d861941bdb936d16e455a35"},"schema_version":"1.0","source":{"id":"1505.01536","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.01536","created_at":"2026-05-18T01:08:21Z"},{"alias_kind":"arxiv_version","alias_value":"1505.01536v1","created_at":"2026-05-18T01:08:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.01536","created_at":"2026-05-18T01:08:21Z"},{"alias_kind":"pith_short_12","alias_value":"VCEGPE66OHHH","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"VCEGPE66OHHH3L66","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"VCEGPE66","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:9c726f6c917131c4ac129f62618968861e527a6f9c85adf035febc20b9365e9d","target":"graph","created_at":"2026-05-18T01:08:21Z","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 analyze how the performance of a quantum-repeater network depends on the protocol employed to distribute entanglement, and we find that the choice of repeater-to-repeater link protocol has a profound impact on communication rate as a function of hardware parameters. We develop numerical simulations of quantum networks using different protocols, where the repeater hardware is modeled in terms of key performance parameters, such as photon generation rate and collection efficiency. These parameters are motivated by recent experimental demonstrations in quantum dots, trapped ions, and nitrogen-","authors_text":"Cody Jones, Danny Kim, Matthew T. Rakher, Paul G. Kwiat, Thaddeus D. Ladd","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-05-06T23:01:52Z","title":"Design and Analysis of Communication Protocols for Quantum Repeater Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.01536","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":"sha256:4fd3f5c7bbccd026181703135d877baf90068b2bd53107177475f8c7b038104f","target":"record","created_at":"2026-05-18T01:08:21Z","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":"6ba74a9be8495d8e3e2b1a062ebcc78f12eb367860643e744bea4b4d490828a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-05-06T23:01:52Z","title_canon_sha256":"4392e068ac01c55c494f8f3f37108c6ae36a76343d861941bdb936d16e455a35"},"schema_version":"1.0","source":{"id":"1505.01536","kind":"arxiv","version":1}},"canonical_sha256":"a8886793de71ce7dafde2a93562b2beaa3d437a7d7509e21d57ea79868b9b3fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8886793de71ce7dafde2a93562b2beaa3d437a7d7509e21d57ea79868b9b3fd","first_computed_at":"2026-05-18T01:08:21.265673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:21.265673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"37x0YAgmyKO+b0kes8NNiPmZ+/eavdyZK34HVHhC2EqV/yGj+cap2ASRlrdm0x1PHLTIscsDbAvnGR9V5rkMCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:21.266297Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.01536","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4fd3f5c7bbccd026181703135d877baf90068b2bd53107177475f8c7b038104f","sha256:9c726f6c917131c4ac129f62618968861e527a6f9c85adf035febc20b9365e9d"],"state_sha256":"6e50ab49a9cf007a7877ec867e5a20db564a821299bf3530289424a75fffde62"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gsUDbIjd/uaaZOZ0nS8uomMGSA7qAFjV6O84lKLgPDERVHNFdD+8C0NDwXYXMWcSkG8h7lCf7d/Zk4Zmll4xDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T01:49:38.590896Z","bundle_sha256":"c00e6b67bc39c9d0012dbdae3adf139e3333fe4c6aaa6da8cb4ce100eed8eb7e"}}