{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:76MYXCHCSR5ZTAAFRBYIKBHSDP","short_pith_number":"pith:76MYXCHC","canonical_record":{"source":{"id":"quant-ph/0309145","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2003-09-19T10:14:23Z","cross_cats_sorted":[],"title_canon_sha256":"eb670ea33a39a0ae096c4b42a4f16698d9ba29ad5839ba29b4f029ce608972f2","abstract_canon_sha256":"31ace2dcf2fdbc250e5b9f3a48974d651286d759a55ff3d0dfdd65554f19c750"},"schema_version":"1.0"},"canonical_sha256":"ff998b88e2947b99800588708504f21bf82c3bf0dc8b7d2a861e21aac957fdd2","source":{"kind":"arxiv","id":"quant-ph/0309145","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0309145","created_at":"2026-07-04T14:46:24Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0309145v4","created_at":"2026-07-04T14:46:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0309145","created_at":"2026-07-04T14:46:24Z"},{"alias_kind":"pith_short_12","alias_value":"76MYXCHCSR5Z","created_at":"2026-07-04T14:46:24Z"},{"alias_kind":"pith_short_16","alias_value":"76MYXCHCSR5ZTAAF","created_at":"2026-07-04T14:46:24Z"},{"alias_kind":"pith_short_8","alias_value":"76MYXCHC","created_at":"2026-07-04T14:46:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:76MYXCHCSR5ZTAAFRBYIKBHSDP","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0309145","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2003-09-19T10:14:23Z","cross_cats_sorted":[],"title_canon_sha256":"eb670ea33a39a0ae096c4b42a4f16698d9ba29ad5839ba29b4f029ce608972f2","abstract_canon_sha256":"31ace2dcf2fdbc250e5b9f3a48974d651286d759a55ff3d0dfdd65554f19c750"},"schema_version":"1.0"},"canonical_sha256":"ff998b88e2947b99800588708504f21bf82c3bf0dc8b7d2a861e21aac957fdd2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:46:24.822738Z","signature_b64":"ywR32oQ2GKvq78yfJoUxbi43O+if6QIPDzuZ7YfoDASLikJlEhXeINxRvfqYxc6WwEJPYvWlvHOEiaAHLK0XDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff998b88e2947b99800588708504f21bf82c3bf0dc8b7d2a861e21aac957fdd2","last_reissued_at":"2026-07-04T14:46:24.822400Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:46:24.822400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0309145","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T14:46:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c1CIh5mZxyYHrCh3oVhyaIxh/GVja7tf326Zs4E382pN76D1zd+8Yw+UYXrKXbdvFXyLyP/82zmVv/AagMlSAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T05:11:43.261073Z"},"content_sha256":"bf34ab6d5a5e35388324d53c5f4dcd26da9d2f975692385bfb6504bf303003d6","schema_version":"1.0","event_id":"sha256:bf34ab6d5a5e35388324d53c5f4dcd26da9d2f975692385bfb6504bf303003d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:76MYXCHCSR5ZTAAFRBYIKBHSDP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"All information-theoretically secure key establishing protocols are quantum protocols","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Mario Stipcevic","submitted_at":"2003-09-19T10:14:23Z","abstract_excerpt":"A theorem is proved which states that no classical key generating protocol could ever be provably secure. Consequently, candidates for provably secure protocols must rely on some quantum effect. Theorem relies on the fact that BB84 Quantum key distribution protocol has been proven secure."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0309145","kind":"arxiv","version":4},"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/quant-ph/0309145/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":"2026-07-04T14:46:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gqxsct8G7yJG9hRwwEE3FeG+JSdecX+mmn67pd89TxMnTC0wBaACE66ADGNmGXFmtnOV/If9Qq6ggjHofXhZDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T05:11:43.261461Z"},"content_sha256":"9dc8fe0a1643c80ad5973ab021cc949459f7151baf701b1085abc2574001e5fd","schema_version":"1.0","event_id":"sha256:9dc8fe0a1643c80ad5973ab021cc949459f7151baf701b1085abc2574001e5fd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/76MYXCHCSR5ZTAAFRBYIKBHSDP/bundle.json","state_url":"https://pith.science/pith/76MYXCHCSR5ZTAAFRBYIKBHSDP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/76MYXCHCSR5ZTAAFRBYIKBHSDP/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":"2026-07-17T05:11:43Z","links":{"resolver":"https://pith.science/pith/76MYXCHCSR5ZTAAFRBYIKBHSDP","bundle":"https://pith.science/pith/76MYXCHCSR5ZTAAFRBYIKBHSDP/bundle.json","state":"https://pith.science/pith/76MYXCHCSR5ZTAAFRBYIKBHSDP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/76MYXCHCSR5ZTAAFRBYIKBHSDP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:76MYXCHCSR5ZTAAFRBYIKBHSDP","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":"31ace2dcf2fdbc250e5b9f3a48974d651286d759a55ff3d0dfdd65554f19c750","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2003-09-19T10:14:23Z","title_canon_sha256":"eb670ea33a39a0ae096c4b42a4f16698d9ba29ad5839ba29b4f029ce608972f2"},"schema_version":"1.0","source":{"id":"quant-ph/0309145","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0309145","created_at":"2026-07-04T14:46:24Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0309145v4","created_at":"2026-07-04T14:46:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0309145","created_at":"2026-07-04T14:46:24Z"},{"alias_kind":"pith_short_12","alias_value":"76MYXCHCSR5Z","created_at":"2026-07-04T14:46:24Z"},{"alias_kind":"pith_short_16","alias_value":"76MYXCHCSR5ZTAAF","created_at":"2026-07-04T14:46:24Z"},{"alias_kind":"pith_short_8","alias_value":"76MYXCHC","created_at":"2026-07-04T14:46:24Z"}],"graph_snapshots":[{"event_id":"sha256:9dc8fe0a1643c80ad5973ab021cc949459f7151baf701b1085abc2574001e5fd","target":"graph","created_at":"2026-07-04T14:46:24Z","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/quant-ph/0309145/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A theorem is proved which states that no classical key generating protocol could ever be provably secure. Consequently, candidates for provably secure protocols must rely on some quantum effect. Theorem relies on the fact that BB84 Quantum key distribution protocol has been proven secure.","authors_text":"Mario Stipcevic","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2003-09-19T10:14:23Z","title":"All information-theoretically secure key establishing protocols are quantum protocols"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0309145","kind":"arxiv","version":4},"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:bf34ab6d5a5e35388324d53c5f4dcd26da9d2f975692385bfb6504bf303003d6","target":"record","created_at":"2026-07-04T14:46:24Z","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":"31ace2dcf2fdbc250e5b9f3a48974d651286d759a55ff3d0dfdd65554f19c750","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2003-09-19T10:14:23Z","title_canon_sha256":"eb670ea33a39a0ae096c4b42a4f16698d9ba29ad5839ba29b4f029ce608972f2"},"schema_version":"1.0","source":{"id":"quant-ph/0309145","kind":"arxiv","version":4}},"canonical_sha256":"ff998b88e2947b99800588708504f21bf82c3bf0dc8b7d2a861e21aac957fdd2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff998b88e2947b99800588708504f21bf82c3bf0dc8b7d2a861e21aac957fdd2","first_computed_at":"2026-07-04T14:46:24.822400Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:46:24.822400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ywR32oQ2GKvq78yfJoUxbi43O+if6QIPDzuZ7YfoDASLikJlEhXeINxRvfqYxc6WwEJPYvWlvHOEiaAHLK0XDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T14:46:24.822738Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0309145","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf34ab6d5a5e35388324d53c5f4dcd26da9d2f975692385bfb6504bf303003d6","sha256:9dc8fe0a1643c80ad5973ab021cc949459f7151baf701b1085abc2574001e5fd"],"state_sha256":"61e3ffab3e8e609c47d8c17f5259bcff1e5bfeb57c44169fcd433a44ffa8adab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m1JJj+fu4QwpmNQS5Jp/ogj6Vm0BjxaAK2WKTjOjemQXXpKpfE3TSx67mfkxUCyhPszHN8K/GlwGaRMWhlafCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T05:11:43.264042Z","bundle_sha256":"418395e35f7428a36933d409c5b5ac8f372d8b985225dd0e234d853c67a6ee24"}}