{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:GDHYGX6W7W373HGAO5T2VY54PR","short_pith_number":"pith:GDHYGX6W","canonical_record":{"source":{"id":"2212.10820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-12-21T07:21:50Z","cross_cats_sorted":[],"title_canon_sha256":"b4d59b6086a70c0944b5f9377105c70b0b7a5bd699c83ef06cd01669734cf58c","abstract_canon_sha256":"75f3606a9b5761f379ca6022c8aeb530e61e7c556e701e9f9c45d1237ca692c6"},"schema_version":"1.0"},"canonical_sha256":"30cf835fd6fdb7fd9cc07767aae3bc7c71dfb3433b7ed45f1c629e916ce10554","source":{"kind":"arxiv","id":"2212.10820","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.10820","created_at":"2026-07-05T07:26:35Z"},{"alias_kind":"arxiv_version","alias_value":"2212.10820v2","created_at":"2026-07-05T07:26:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.10820","created_at":"2026-07-05T07:26:35Z"},{"alias_kind":"pith_short_12","alias_value":"GDHYGX6W7W37","created_at":"2026-07-05T07:26:35Z"},{"alias_kind":"pith_short_16","alias_value":"GDHYGX6W7W373HGA","created_at":"2026-07-05T07:26:35Z"},{"alias_kind":"pith_short_8","alias_value":"GDHYGX6W","created_at":"2026-07-05T07:26:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:GDHYGX6W7W373HGAO5T2VY54PR","target":"record","payload":{"canonical_record":{"source":{"id":"2212.10820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-12-21T07:21:50Z","cross_cats_sorted":[],"title_canon_sha256":"b4d59b6086a70c0944b5f9377105c70b0b7a5bd699c83ef06cd01669734cf58c","abstract_canon_sha256":"75f3606a9b5761f379ca6022c8aeb530e61e7c556e701e9f9c45d1237ca692c6"},"schema_version":"1.0"},"canonical_sha256":"30cf835fd6fdb7fd9cc07767aae3bc7c71dfb3433b7ed45f1c629e916ce10554","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:26:35.921621Z","signature_b64":"NcO0oydPCsj1XEmd/02H50CWdVr5PtpMLijvhHzNfAk6N45tgQKBpx5djkGXsfq6HPXVGl+L0h4OBtiOHr3nAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30cf835fd6fdb7fd9cc07767aae3bc7c71dfb3433b7ed45f1c629e916ce10554","last_reissued_at":"2026-07-05T07:26:35.921184Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:26:35.921184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.10820","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":"2026-07-05T07:26:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NdWFXKEJAv2T9Uyz3VvKjliG/xfHzldOORIXGN79hMOONXlEraVcUegHdkKh0DWrWW5LenH+34aLKXZ+LzVsBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T22:55:02.087187Z"},"content_sha256":"24816c45c2ce6e84f75b1209c797faa699af20fda3031c95f85db22c84964978","schema_version":"1.0","event_id":"sha256:24816c45c2ce6e84f75b1209c797faa699af20fda3031c95f85db22c84964978"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:GDHYGX6W7W373HGAO5T2VY54PR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum repeaters: From quantum networks to the quantum internet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"David Elkouss, Hoi-Kwong Lo, Ilan Tzitrin, Koji Azuma, Liang Jiang, Paul Hilaire, Sophia E. Economou","submitted_at":"2022-12-21T07:21:50Z","abstract_excerpt":"A quantum internet is the holy grail of quantum information processing, enabling the deployment of a broad range of quantum technologies and protocols on a global scale. However, numerous challenges exist before the quantum internet can become a reality. Perhaps the most crucial of these is the realization of a quantum repeater, an essential component in the long-distance transmission of quantum information. As the analog of a classical repeater, extender, or booster, the quantum repeater works to overcome loss and noise in the quantum channels comprising a quantum network. Here, we review the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.10820","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2212.10820/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":"2026-07-05T07:26:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"54Zx6+DYQ5gcYfena1OeJ81ieBo2YNw1p11gRCdrIvID3ufIRo8Mcf+lvR0vg5hpHjkzAtxSbeHR1fgSu0ADBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T22:55:02.088127Z"},"content_sha256":"66c364269a5e76f2d11cbc64ef6c33d5c5806af9c8c79feabc19bdf08fa26474","schema_version":"1.0","event_id":"sha256:66c364269a5e76f2d11cbc64ef6c33d5c5806af9c8c79feabc19bdf08fa26474"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GDHYGX6W7W373HGAO5T2VY54PR/bundle.json","state_url":"https://pith.science/pith/GDHYGX6W7W373HGAO5T2VY54PR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GDHYGX6W7W373HGAO5T2VY54PR/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":"2026-08-15T22:55:02Z","links":{"resolver":"https://pith.science/pith/GDHYGX6W7W373HGAO5T2VY54PR","bundle":"https://pith.science/pith/GDHYGX6W7W373HGAO5T2VY54PR/bundle.json","state":"https://pith.science/pith/GDHYGX6W7W373HGAO5T2VY54PR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GDHYGX6W7W373HGAO5T2VY54PR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:GDHYGX6W7W373HGAO5T2VY54PR","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":"75f3606a9b5761f379ca6022c8aeb530e61e7c556e701e9f9c45d1237ca692c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-12-21T07:21:50Z","title_canon_sha256":"b4d59b6086a70c0944b5f9377105c70b0b7a5bd699c83ef06cd01669734cf58c"},"schema_version":"1.0","source":{"id":"2212.10820","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.10820","created_at":"2026-07-05T07:26:35Z"},{"alias_kind":"arxiv_version","alias_value":"2212.10820v2","created_at":"2026-07-05T07:26:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.10820","created_at":"2026-07-05T07:26:35Z"},{"alias_kind":"pith_short_12","alias_value":"GDHYGX6W7W37","created_at":"2026-07-05T07:26:35Z"},{"alias_kind":"pith_short_16","alias_value":"GDHYGX6W7W373HGA","created_at":"2026-07-05T07:26:35Z"},{"alias_kind":"pith_short_8","alias_value":"GDHYGX6W","created_at":"2026-07-05T07:26:35Z"}],"graph_snapshots":[{"event_id":"sha256:66c364269a5e76f2d11cbc64ef6c33d5c5806af9c8c79feabc19bdf08fa26474","target":"graph","created_at":"2026-07-05T07:26:35Z","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/2212.10820/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A quantum internet is the holy grail of quantum information processing, enabling the deployment of a broad range of quantum technologies and protocols on a global scale. However, numerous challenges exist before the quantum internet can become a reality. Perhaps the most crucial of these is the realization of a quantum repeater, an essential component in the long-distance transmission of quantum information. As the analog of a classical repeater, extender, or booster, the quantum repeater works to overcome loss and noise in the quantum channels comprising a quantum network. Here, we review the","authors_text":"David Elkouss, Hoi-Kwong Lo, Ilan Tzitrin, Koji Azuma, Liang Jiang, Paul Hilaire, Sophia E. Economou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-12-21T07:21:50Z","title":"Quantum repeaters: From quantum networks to the quantum internet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.10820","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":"sha256:24816c45c2ce6e84f75b1209c797faa699af20fda3031c95f85db22c84964978","target":"record","created_at":"2026-07-05T07:26:35Z","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":"75f3606a9b5761f379ca6022c8aeb530e61e7c556e701e9f9c45d1237ca692c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-12-21T07:21:50Z","title_canon_sha256":"b4d59b6086a70c0944b5f9377105c70b0b7a5bd699c83ef06cd01669734cf58c"},"schema_version":"1.0","source":{"id":"2212.10820","kind":"arxiv","version":2}},"canonical_sha256":"30cf835fd6fdb7fd9cc07767aae3bc7c71dfb3433b7ed45f1c629e916ce10554","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30cf835fd6fdb7fd9cc07767aae3bc7c71dfb3433b7ed45f1c629e916ce10554","first_computed_at":"2026-07-05T07:26:35.921184Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:26:35.921184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NcO0oydPCsj1XEmd/02H50CWdVr5PtpMLijvhHzNfAk6N45tgQKBpx5djkGXsfq6HPXVGl+L0h4OBtiOHr3nAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:26:35.921621Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.10820","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24816c45c2ce6e84f75b1209c797faa699af20fda3031c95f85db22c84964978","sha256:66c364269a5e76f2d11cbc64ef6c33d5c5806af9c8c79feabc19bdf08fa26474"],"state_sha256":"b5618b84c1a631a26d79ee47b86cf3fb852b5e03de14fd251ef0b9b93b9b23d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RxIdw3q5h2F3FzNLk0V+Ttowc0Kke0HbCM6f5PwZoEBHnG+DnzHcMrEaepZpjAxK9rN4VCG+FP32r0p8BYfPBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T22:55:02.095209Z","bundle_sha256":"18d446bbd2364748b61d82dd4a502a62fab672cbf494ebd3370d4fa03a823994"}}