{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KDYUEBLVWWHYFODOQDJPLQ37LM","short_pith_number":"pith:KDYUEBLV","canonical_record":{"source":{"id":"1601.02933","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-12T16:02:10Z","cross_cats_sorted":[],"title_canon_sha256":"88331104adb714047c8e7c0b3ef02f7cc14ade03f9946d66c22b1bab8b0ac87e","abstract_canon_sha256":"046159e71a0110f38d179a7719d8bd3e78db1c5f18bc902a5cccbc4530e4455c"},"schema_version":"1.0"},"canonical_sha256":"50f1420575b58f82b86e80d2f5c37f5b2f99e6f39f45a1a2fdd2f3c8fbaceb23","source":{"kind":"arxiv","id":"1601.02933","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.02933","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"arxiv_version","alias_value":"1601.02933v1","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.02933","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"pith_short_12","alias_value":"KDYUEBLVWWHY","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KDYUEBLVWWHYFODO","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KDYUEBLV","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KDYUEBLVWWHYFODOQDJPLQ37LM","target":"record","payload":{"canonical_record":{"source":{"id":"1601.02933","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-12T16:02:10Z","cross_cats_sorted":[],"title_canon_sha256":"88331104adb714047c8e7c0b3ef02f7cc14ade03f9946d66c22b1bab8b0ac87e","abstract_canon_sha256":"046159e71a0110f38d179a7719d8bd3e78db1c5f18bc902a5cccbc4530e4455c"},"schema_version":"1.0"},"canonical_sha256":"50f1420575b58f82b86e80d2f5c37f5b2f99e6f39f45a1a2fdd2f3c8fbaceb23","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:41.034307Z","signature_b64":"rN1Z3OsQvI2MZZH6AxApsu4a26D4N+shgYlMQb4P0Jh+LDyDewVEZ9dG8rwdg0AfCR9NYBF573/sdh9imsqPCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50f1420575b58f82b86e80d2f5c37f5b2f99e6f39f45a1a2fdd2f3c8fbaceb23","last_reissued_at":"2026-05-18T00:54:41.033841Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:41.033841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.02933","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":"2026-05-18T00:54:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pqd8JsuWdyQSbgRmIWGaL+YJtMIqEe7j5ZCxXf1urx/rKwkkdjnz5HFmXPM8bvaUDB+HBrb9KF9nCFgptVx4Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:07:14.037439Z"},"content_sha256":"90eb76f63a29770006615106f35d580715efdb13bc7f63bec40fe8cbccb34515","schema_version":"1.0","event_id":"sha256:90eb76f63a29770006615106f35d580715efdb13bc7f63bec40fe8cbccb34515"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KDYUEBLVWWHYFODOQDJPLQ37LM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fundamental rate-loss tradeoff for the quantum internet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Akihiro Mizutani, Hoi-Kwong Lo, Koji Azuma","submitted_at":"2016-01-12T16:02:10Z","abstract_excerpt":"The quantum internet holds promise for performing quantum communication, such as quantum teleportation and quantum key distribution (QKD), freely between any parties all over the globe. Such a future quantum network, depending on the communication distance of the requesting parties, necessitates to invoke several classes of optical quantum communication such as point-to-point communication protocols, intercity QKD protocols and quantum repeater protocols. Recently, Takeoka, Guha and Wilde (TGW) have presented a fundamental rate-loss tradeoff on quantum communication capacity and secret key agr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.02933","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":"2026-05-18T00:54:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KzSvxe0vMQaOjIac3eH941TKXnrcnUZ0ekvOJoNfdG0rKBMXtD/pY5G1WyynA06wmWnlOPgmv7YEBqHkDVIUCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:07:14.038102Z"},"content_sha256":"585dc88c2922e9e2d896a9d284c0f73c6e9c434376855b1057dcc8ffd4c53acc","schema_version":"1.0","event_id":"sha256:585dc88c2922e9e2d896a9d284c0f73c6e9c434376855b1057dcc8ffd4c53acc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KDYUEBLVWWHYFODOQDJPLQ37LM/bundle.json","state_url":"https://pith.science/pith/KDYUEBLVWWHYFODOQDJPLQ37LM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KDYUEBLVWWHYFODOQDJPLQ37LM/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":"2026-05-29T15:07:14Z","links":{"resolver":"https://pith.science/pith/KDYUEBLVWWHYFODOQDJPLQ37LM","bundle":"https://pith.science/pith/KDYUEBLVWWHYFODOQDJPLQ37LM/bundle.json","state":"https://pith.science/pith/KDYUEBLVWWHYFODOQDJPLQ37LM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KDYUEBLVWWHYFODOQDJPLQ37LM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KDYUEBLVWWHYFODOQDJPLQ37LM","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":"046159e71a0110f38d179a7719d8bd3e78db1c5f18bc902a5cccbc4530e4455c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-12T16:02:10Z","title_canon_sha256":"88331104adb714047c8e7c0b3ef02f7cc14ade03f9946d66c22b1bab8b0ac87e"},"schema_version":"1.0","source":{"id":"1601.02933","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.02933","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"arxiv_version","alias_value":"1601.02933v1","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.02933","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"pith_short_12","alias_value":"KDYUEBLVWWHY","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KDYUEBLVWWHYFODO","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KDYUEBLV","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:585dc88c2922e9e2d896a9d284c0f73c6e9c434376855b1057dcc8ffd4c53acc","target":"graph","created_at":"2026-05-18T00:54:41Z","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":"The quantum internet holds promise for performing quantum communication, such as quantum teleportation and quantum key distribution (QKD), freely between any parties all over the globe. Such a future quantum network, depending on the communication distance of the requesting parties, necessitates to invoke several classes of optical quantum communication such as point-to-point communication protocols, intercity QKD protocols and quantum repeater protocols. Recently, Takeoka, Guha and Wilde (TGW) have presented a fundamental rate-loss tradeoff on quantum communication capacity and secret key agr","authors_text":"Akihiro Mizutani, Hoi-Kwong Lo, Koji Azuma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-12T16:02:10Z","title":"Fundamental rate-loss tradeoff for the quantum internet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.02933","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":"sha256:90eb76f63a29770006615106f35d580715efdb13bc7f63bec40fe8cbccb34515","target":"record","created_at":"2026-05-18T00:54:41Z","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":"046159e71a0110f38d179a7719d8bd3e78db1c5f18bc902a5cccbc4530e4455c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-01-12T16:02:10Z","title_canon_sha256":"88331104adb714047c8e7c0b3ef02f7cc14ade03f9946d66c22b1bab8b0ac87e"},"schema_version":"1.0","source":{"id":"1601.02933","kind":"arxiv","version":1}},"canonical_sha256":"50f1420575b58f82b86e80d2f5c37f5b2f99e6f39f45a1a2fdd2f3c8fbaceb23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50f1420575b58f82b86e80d2f5c37f5b2f99e6f39f45a1a2fdd2f3c8fbaceb23","first_computed_at":"2026-05-18T00:54:41.033841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:41.033841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rN1Z3OsQvI2MZZH6AxApsu4a26D4N+shgYlMQb4P0Jh+LDyDewVEZ9dG8rwdg0AfCR9NYBF573/sdh9imsqPCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:41.034307Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.02933","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90eb76f63a29770006615106f35d580715efdb13bc7f63bec40fe8cbccb34515","sha256:585dc88c2922e9e2d896a9d284c0f73c6e9c434376855b1057dcc8ffd4c53acc"],"state_sha256":"e86fd0d7ae003747501397ea2a740783cd5c32627dbd6227438037e2311b9942"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fGkbMXXWLtfl5+sqZIGSVPmiD3TgK8itI/76XxPP3UElJ1IU/LUNVf64B1vZgMFTC/TLGT57RUrvkx9CwkE0Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T15:07:14.041872Z","bundle_sha256":"ffbae5dca33c772c48da289c5cd073a04f867c5a0070cf69daaabfaaae4a6c55"}}