{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:O3YXRPU4GKMWELVQLX5Y3ARWLN","short_pith_number":"pith:O3YXRPU4","canonical_record":{"source":{"id":"1607.08235","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-27T15:12:37Z","cross_cats_sorted":[],"title_canon_sha256":"96a78d9ffe63de3d6f5b6aa8406a44804842b8bbb218b45b25fc57c3b1951aa8","abstract_canon_sha256":"42b15549114005b6ddf51720d26cd6ab48a0dd9119ecb9b6c81370600f683684"},"schema_version":"1.0"},"canonical_sha256":"76f178be9c3299622eb05dfb8d82365b5a386a1d847b0775352533d086c38c64","source":{"kind":"arxiv","id":"1607.08235","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.08235","created_at":"2026-05-18T01:10:19Z"},{"alias_kind":"arxiv_version","alias_value":"1607.08235v1","created_at":"2026-05-18T01:10:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.08235","created_at":"2026-05-18T01:10:19Z"},{"alias_kind":"pith_short_12","alias_value":"O3YXRPU4GKMW","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"O3YXRPU4GKMWELVQ","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"O3YXRPU4","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:O3YXRPU4GKMWELVQLX5Y3ARWLN","target":"record","payload":{"canonical_record":{"source":{"id":"1607.08235","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-27T15:12:37Z","cross_cats_sorted":[],"title_canon_sha256":"96a78d9ffe63de3d6f5b6aa8406a44804842b8bbb218b45b25fc57c3b1951aa8","abstract_canon_sha256":"42b15549114005b6ddf51720d26cd6ab48a0dd9119ecb9b6c81370600f683684"},"schema_version":"1.0"},"canonical_sha256":"76f178be9c3299622eb05dfb8d82365b5a386a1d847b0775352533d086c38c64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:19.594340Z","signature_b64":"kLVeoEkYs6fD05e8aUEl9GZQzE3vOv1nqnAX7n+VhEUUhjTfO5KyVAhiqgSjssoDi00AN8L71Ice1nk+zrYoBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76f178be9c3299622eb05dfb8d82365b5a386a1d847b0775352533d086c38c64","last_reissued_at":"2026-05-18T01:10:19.593709Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:19.593709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.08235","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":"2026-05-18T01:10:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GDKL6DJ08edyulOpQMMGj1dzsI7f3oWe9Ibe+F1C7Qg+LSgdDNe+8S7U4hb1gT9YuRSG3LIugOblvFtNypDYCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T18:13:00.147082Z"},"content_sha256":"80ec8a7207efecb9c9075e3b5b10078f110f5ae0380b4de8738144cd5ca682cc","schema_version":"1.0","event_id":"sha256:80ec8a7207efecb9c9075e3b5b10078f110f5ae0380b4de8738144cd5ca682cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:O3YXRPU4GKMWELVQLX5Y3ARWLN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comment on \"proactive quantum secret sharing\"","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Gan Gao","submitted_at":"2016-07-27T15:12:37Z","abstract_excerpt":"In the paper [Quantum Inf. Process. 14, 4237-4244 (2015)], Qin and Dai proposed a proactive quantum secret sharing scheme. We study the security of the proposed scheme and find that it is not secure. In the distribution phase of the proposed scheme, two dishonest participants may collaborate to eavesdrop the secret of the dealer without introducing any error. Incidentally, a possible improvement of the distribution phase is given."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.08235","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":"2026-05-18T01:10:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e+1XvIRT+P7Q+/ESr0NX5VENym1tdgvKrsDUvTckazwbDT2g0DxEIhJr/3TbB62dDiIvK5LS/hpcOpDYyti9Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T18:13:00.147541Z"},"content_sha256":"881203ee516e7481b149d6316143666298b9ea71073a54d453cd7d413951d47f","schema_version":"1.0","event_id":"sha256:881203ee516e7481b149d6316143666298b9ea71073a54d453cd7d413951d47f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O3YXRPU4GKMWELVQLX5Y3ARWLN/bundle.json","state_url":"https://pith.science/pith/O3YXRPU4GKMWELVQLX5Y3ARWLN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O3YXRPU4GKMWELVQLX5Y3ARWLN/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":"2026-08-19T18:13:00Z","links":{"resolver":"https://pith.science/pith/O3YXRPU4GKMWELVQLX5Y3ARWLN","bundle":"https://pith.science/pith/O3YXRPU4GKMWELVQLX5Y3ARWLN/bundle.json","state":"https://pith.science/pith/O3YXRPU4GKMWELVQLX5Y3ARWLN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O3YXRPU4GKMWELVQLX5Y3ARWLN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:O3YXRPU4GKMWELVQLX5Y3ARWLN","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":"42b15549114005b6ddf51720d26cd6ab48a0dd9119ecb9b6c81370600f683684","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-27T15:12:37Z","title_canon_sha256":"96a78d9ffe63de3d6f5b6aa8406a44804842b8bbb218b45b25fc57c3b1951aa8"},"schema_version":"1.0","source":{"id":"1607.08235","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.08235","created_at":"2026-05-18T01:10:19Z"},{"alias_kind":"arxiv_version","alias_value":"1607.08235v1","created_at":"2026-05-18T01:10:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.08235","created_at":"2026-05-18T01:10:19Z"},{"alias_kind":"pith_short_12","alias_value":"O3YXRPU4GKMW","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"O3YXRPU4GKMWELVQ","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"O3YXRPU4","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:881203ee516e7481b149d6316143666298b9ea71073a54d453cd7d413951d47f","target":"graph","created_at":"2026-05-18T01:10:19Z","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":"In the paper [Quantum Inf. Process. 14, 4237-4244 (2015)], Qin and Dai proposed a proactive quantum secret sharing scheme. We study the security of the proposed scheme and find that it is not secure. In the distribution phase of the proposed scheme, two dishonest participants may collaborate to eavesdrop the secret of the dealer without introducing any error. Incidentally, a possible improvement of the distribution phase is given.","authors_text":"Gan Gao","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-27T15:12:37Z","title":"Comment on \"proactive quantum secret sharing\""},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.08235","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":"sha256:80ec8a7207efecb9c9075e3b5b10078f110f5ae0380b4de8738144cd5ca682cc","target":"record","created_at":"2026-05-18T01:10:19Z","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":"42b15549114005b6ddf51720d26cd6ab48a0dd9119ecb9b6c81370600f683684","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-27T15:12:37Z","title_canon_sha256":"96a78d9ffe63de3d6f5b6aa8406a44804842b8bbb218b45b25fc57c3b1951aa8"},"schema_version":"1.0","source":{"id":"1607.08235","kind":"arxiv","version":1}},"canonical_sha256":"76f178be9c3299622eb05dfb8d82365b5a386a1d847b0775352533d086c38c64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76f178be9c3299622eb05dfb8d82365b5a386a1d847b0775352533d086c38c64","first_computed_at":"2026-05-18T01:10:19.593709Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:19.593709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kLVeoEkYs6fD05e8aUEl9GZQzE3vOv1nqnAX7n+VhEUUhjTfO5KyVAhiqgSjssoDi00AN8L71Ice1nk+zrYoBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:19.594340Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.08235","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80ec8a7207efecb9c9075e3b5b10078f110f5ae0380b4de8738144cd5ca682cc","sha256:881203ee516e7481b149d6316143666298b9ea71073a54d453cd7d413951d47f"],"state_sha256":"0395ef82b139cb8ba53f03cacdf06d044f303e760a731806df1fa31261d464ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qe3Ih6tLsMFsy8Vq7drNDoonZOMKTqWGwrEVBMlObk91oMw9fQZKK0ePGIwJ1OxjUlIlcBUhAwDQb4V4I5ryCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T18:13:00.152669Z","bundle_sha256":"9a11517c6e5ad9af6d0c684512894b3cb8211ff3b82f95d1d46e34f3998b4288"}}