{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:MYPX6EMBOMCBS3UW4KGGHEKYVP","short_pith_number":"pith:MYPX6EMB","canonical_record":{"source":{"id":"1206.3717","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2012-06-17T02:33:22Z","cross_cats_sorted":[],"title_canon_sha256":"8dcf09dbdb88dc7989f0b5de6f4d450c0050cf45f6546ff1732e3770b173a562","abstract_canon_sha256":"c9bb82c6141ec0ef29b7bb7302fa5e5364cd6dc8c6210a3d255cbf4e631b903f"},"schema_version":"1.0"},"canonical_sha256":"661f7f11817304196e96e28c639158abdb81273355dd0483c7b821e682547661","source":{"kind":"arxiv","id":"1206.3717","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.3717","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"arxiv_version","alias_value":"1206.3717v1","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.3717","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"pith_short_12","alias_value":"MYPX6EMBOMCB","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MYPX6EMBOMCBS3UW","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MYPX6EMB","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:MYPX6EMBOMCBS3UW4KGGHEKYVP","target":"record","payload":{"canonical_record":{"source":{"id":"1206.3717","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2012-06-17T02:33:22Z","cross_cats_sorted":[],"title_canon_sha256":"8dcf09dbdb88dc7989f0b5de6f4d450c0050cf45f6546ff1732e3770b173a562","abstract_canon_sha256":"c9bb82c6141ec0ef29b7bb7302fa5e5364cd6dc8c6210a3d255cbf4e631b903f"},"schema_version":"1.0"},"canonical_sha256":"661f7f11817304196e96e28c639158abdb81273355dd0483c7b821e682547661","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:53:18.981477Z","signature_b64":"0TIGgz3i1hlGVe/FiVQhZlTK0pPPDZSJfpqgmVgMCVxYMMqCnktsBz0NZtIrGnhX4YOe1eeTjqUH1kE0SHnuBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"661f7f11817304196e96e28c639158abdb81273355dd0483c7b821e682547661","last_reissued_at":"2026-05-18T03:53:18.980612Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:53:18.980612Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.3717","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":"2026-05-18T03:53:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zr7uxNgqJ+KY03YS/33cYR4X+CGARAk4DUw8rjwfQl0ncBLgQrqE1MkuB4ZENFa6+DckHfOVJrPmRY9tGutoDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T19:57:28.316962Z"},"content_sha256":"a8e6c89f12f48af764930ba14eff6dd79cd8a187f899660b312aacd9f3289027","schema_version":"1.0","event_id":"sha256:a8e6c89f12f48af764930ba14eff6dd79cd8a187f899660b312aacd9f3289027"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:MYPX6EMBOMCBS3UW4KGGHEKYVP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multiparty Cloud Computation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Qingji Zheng, Xinwen Zhang","submitted_at":"2012-06-17T02:33:22Z","abstract_excerpt":"With the increasing popularity of the cloud, clients oursource their data to clouds in order to take advantage of unlimited virtualized storage space and the low management cost. Such trend prompts the privately oursourcing computation, called \\emph{multiparty cloud computation} (\\MCC): Given $k$ clients storing their data in the cloud, how can they perform the joint functionality by contributing their private data as inputs, and making use of cloud's powerful computation capability. Namely, the clients wish to oursource computation to the cloud together with their private data stored in the c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.3717","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":"2026-05-18T03:53:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fmp4IXp5fZA7lxmTQiRPj1xpPRGjW3pvvFMP7LU/bHGD5kQrVQYE9JL+SjjDvGhXykhF46t2YTDZK0lC+HLLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T19:57:28.317299Z"},"content_sha256":"8058442ecfe2816429a0a728de2331f19d16a68bc921e8856f833915b9d62cc5","schema_version":"1.0","event_id":"sha256:8058442ecfe2816429a0a728de2331f19d16a68bc921e8856f833915b9d62cc5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MYPX6EMBOMCBS3UW4KGGHEKYVP/bundle.json","state_url":"https://pith.science/pith/MYPX6EMBOMCBS3UW4KGGHEKYVP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MYPX6EMBOMCBS3UW4KGGHEKYVP/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":"2026-06-27T19:57:28Z","links":{"resolver":"https://pith.science/pith/MYPX6EMBOMCBS3UW4KGGHEKYVP","bundle":"https://pith.science/pith/MYPX6EMBOMCBS3UW4KGGHEKYVP/bundle.json","state":"https://pith.science/pith/MYPX6EMBOMCBS3UW4KGGHEKYVP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MYPX6EMBOMCBS3UW4KGGHEKYVP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MYPX6EMBOMCBS3UW4KGGHEKYVP","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":"c9bb82c6141ec0ef29b7bb7302fa5e5364cd6dc8c6210a3d255cbf4e631b903f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2012-06-17T02:33:22Z","title_canon_sha256":"8dcf09dbdb88dc7989f0b5de6f4d450c0050cf45f6546ff1732e3770b173a562"},"schema_version":"1.0","source":{"id":"1206.3717","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.3717","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"arxiv_version","alias_value":"1206.3717v1","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.3717","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"pith_short_12","alias_value":"MYPX6EMBOMCB","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MYPX6EMBOMCBS3UW","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MYPX6EMB","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:8058442ecfe2816429a0a728de2331f19d16a68bc921e8856f833915b9d62cc5","target":"graph","created_at":"2026-05-18T03:53:18Z","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":"With the increasing popularity of the cloud, clients oursource their data to clouds in order to take advantage of unlimited virtualized storage space and the low management cost. Such trend prompts the privately oursourcing computation, called \\emph{multiparty cloud computation} (\\MCC): Given $k$ clients storing their data in the cloud, how can they perform the joint functionality by contributing their private data as inputs, and making use of cloud's powerful computation capability. Namely, the clients wish to oursource computation to the cloud together with their private data stored in the c","authors_text":"Qingji Zheng, Xinwen Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2012-06-17T02:33:22Z","title":"Multiparty Cloud Computation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.3717","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:a8e6c89f12f48af764930ba14eff6dd79cd8a187f899660b312aacd9f3289027","target":"record","created_at":"2026-05-18T03:53:18Z","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":"c9bb82c6141ec0ef29b7bb7302fa5e5364cd6dc8c6210a3d255cbf4e631b903f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2012-06-17T02:33:22Z","title_canon_sha256":"8dcf09dbdb88dc7989f0b5de6f4d450c0050cf45f6546ff1732e3770b173a562"},"schema_version":"1.0","source":{"id":"1206.3717","kind":"arxiv","version":1}},"canonical_sha256":"661f7f11817304196e96e28c639158abdb81273355dd0483c7b821e682547661","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"661f7f11817304196e96e28c639158abdb81273355dd0483c7b821e682547661","first_computed_at":"2026-05-18T03:53:18.980612Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:53:18.980612Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0TIGgz3i1hlGVe/FiVQhZlTK0pPPDZSJfpqgmVgMCVxYMMqCnktsBz0NZtIrGnhX4YOe1eeTjqUH1kE0SHnuBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:53:18.981477Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.3717","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a8e6c89f12f48af764930ba14eff6dd79cd8a187f899660b312aacd9f3289027","sha256:8058442ecfe2816429a0a728de2331f19d16a68bc921e8856f833915b9d62cc5"],"state_sha256":"93e774c6c1a065bf37e0f1bf8c25492bf73c1ef32a054e3cec0ce9f38535501d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qrJ9frj5WZExwqmcOD/Yv8Q0cBdTUh+cEkue6pGbovBYuro+EPSm8SmXGzzBwg72+iSPgz0H6hIr3AiBUwkaAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T19:57:28.319274Z","bundle_sha256":"655d775b1a433fe3656dff4780967830efdf19dd3263dfc7261d824bc691e7df"}}