{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:RXBSG2SO66PAFKURFJM7ASTM7K","short_pith_number":"pith:RXBSG2SO","canonical_record":{"source":{"id":"1402.2699","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2014-02-12T00:10:59Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"b3c2314309196926787dabfdc3e94c98a061e2759c4165182c3dd3a77a333d6c","abstract_canon_sha256":"4d252fe72818e722390b51c881a69ba4130680d5d973c1d58d8d473d0d678aaf"},"schema_version":"1.0"},"canonical_sha256":"8dc3236a4ef79e02aa912a59f04a6cfaab2cc438291cd7ad46b2248b90747be4","source":{"kind":"arxiv","id":"1402.2699","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.2699","created_at":"2026-05-18T00:57:52Z"},{"alias_kind":"arxiv_version","alias_value":"1402.2699v4","created_at":"2026-05-18T00:57:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2699","created_at":"2026-05-18T00:57:52Z"},{"alias_kind":"pith_short_12","alias_value":"RXBSG2SO66PA","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"RXBSG2SO66PAFKUR","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"RXBSG2SO","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:RXBSG2SO66PAFKURFJM7ASTM7K","target":"record","payload":{"canonical_record":{"source":{"id":"1402.2699","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2014-02-12T00:10:59Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"b3c2314309196926787dabfdc3e94c98a061e2759c4165182c3dd3a77a333d6c","abstract_canon_sha256":"4d252fe72818e722390b51c881a69ba4130680d5d973c1d58d8d473d0d678aaf"},"schema_version":"1.0"},"canonical_sha256":"8dc3236a4ef79e02aa912a59f04a6cfaab2cc438291cd7ad46b2248b90747be4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:52.241861Z","signature_b64":"tneIv0LSdjFbVfo32XkFB8KVCn2xFPuWJc8URhURc1NyHBYmoeO80dHbO7z41s5IyCzA89NZ10tuk30gtI2ADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8dc3236a4ef79e02aa912a59f04a6cfaab2cc438291cd7ad46b2248b90747be4","last_reissued_at":"2026-05-18T00:57:52.241122Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:52.241122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.2699","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":"2026-05-18T00:57:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yCxwgGqIZlhFL+LIBqw5rNRAl0HBv9IQ5IsAvhagBR9pKn67VNy1qjm6XMDQhbNiCUKBGZu/VZvgeJdZQ33sAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T22:43:45.740862Z"},"content_sha256":"30afdb0d3d04067536217bbeb9c660cbe89d2290d83e84fa6b28f26f6c16a025","schema_version":"1.0","event_id":"sha256:30afdb0d3d04067536217bbeb9c660cbe89d2290d83e84fa6b28f26f6c16a025"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:RXBSG2SO66PAFKURFJM7ASTM7K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Security of Trustee-based Social Authentications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.CR","authors_text":"Di Wang, Neil Zhenqiang Gong","submitted_at":"2014-02-12T00:10:59Z","abstract_excerpt":"Recently, authenticating users with the help of their friends (i.e., trustee-based social authentication) has been shown to be a promising backup authentication mechanism. A user in this system is associated with a few trustees that were selected from the user's friends. When the user wants to regain access to the account, the service provider sends different verification codes to the user's trustees. The user must obtain at least k (i.e., recovery threshold) verification codes from the trustees before being directed to reset his or her password.\n  In this paper, we provide the first systemati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2699","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":""},"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":"2026-05-18T00:57:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nPmPsKMzutWHDMAeKdI1htDIX+w7gW57CXY6dC5hoQuavuDujuUgPe6DHPraLeXlALyDB9vfXfu2S2DC2Bg5AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T22:43:45.741202Z"},"content_sha256":"6005cec5f7bac75d343dfe2b00ac9fc714f1d580e62162b3b4aea0e81d1b8077","schema_version":"1.0","event_id":"sha256:6005cec5f7bac75d343dfe2b00ac9fc714f1d580e62162b3b4aea0e81d1b8077"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RXBSG2SO66PAFKURFJM7ASTM7K/bundle.json","state_url":"https://pith.science/pith/RXBSG2SO66PAFKURFJM7ASTM7K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RXBSG2SO66PAFKURFJM7ASTM7K/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":"2026-06-04T22:43:45Z","links":{"resolver":"https://pith.science/pith/RXBSG2SO66PAFKURFJM7ASTM7K","bundle":"https://pith.science/pith/RXBSG2SO66PAFKURFJM7ASTM7K/bundle.json","state":"https://pith.science/pith/RXBSG2SO66PAFKURFJM7ASTM7K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RXBSG2SO66PAFKURFJM7ASTM7K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:RXBSG2SO66PAFKURFJM7ASTM7K","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":"4d252fe72818e722390b51c881a69ba4130680d5d973c1d58d8d473d0d678aaf","cross_cats_sorted":["cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2014-02-12T00:10:59Z","title_canon_sha256":"b3c2314309196926787dabfdc3e94c98a061e2759c4165182c3dd3a77a333d6c"},"schema_version":"1.0","source":{"id":"1402.2699","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.2699","created_at":"2026-05-18T00:57:52Z"},{"alias_kind":"arxiv_version","alias_value":"1402.2699v4","created_at":"2026-05-18T00:57:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2699","created_at":"2026-05-18T00:57:52Z"},{"alias_kind":"pith_short_12","alias_value":"RXBSG2SO66PA","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"RXBSG2SO66PAFKUR","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"RXBSG2SO","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:6005cec5f7bac75d343dfe2b00ac9fc714f1d580e62162b3b4aea0e81d1b8077","target":"graph","created_at":"2026-05-18T00:57:52Z","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":"Recently, authenticating users with the help of their friends (i.e., trustee-based social authentication) has been shown to be a promising backup authentication mechanism. A user in this system is associated with a few trustees that were selected from the user's friends. When the user wants to regain access to the account, the service provider sends different verification codes to the user's trustees. The user must obtain at least k (i.e., recovery threshold) verification codes from the trustees before being directed to reset his or her password.\n  In this paper, we provide the first systemati","authors_text":"Di Wang, Neil Zhenqiang Gong","cross_cats":["cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2014-02-12T00:10:59Z","title":"On the Security of Trustee-based Social Authentications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2699","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":"sha256:30afdb0d3d04067536217bbeb9c660cbe89d2290d83e84fa6b28f26f6c16a025","target":"record","created_at":"2026-05-18T00:57:52Z","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":"4d252fe72818e722390b51c881a69ba4130680d5d973c1d58d8d473d0d678aaf","cross_cats_sorted":["cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2014-02-12T00:10:59Z","title_canon_sha256":"b3c2314309196926787dabfdc3e94c98a061e2759c4165182c3dd3a77a333d6c"},"schema_version":"1.0","source":{"id":"1402.2699","kind":"arxiv","version":4}},"canonical_sha256":"8dc3236a4ef79e02aa912a59f04a6cfaab2cc438291cd7ad46b2248b90747be4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8dc3236a4ef79e02aa912a59f04a6cfaab2cc438291cd7ad46b2248b90747be4","first_computed_at":"2026-05-18T00:57:52.241122Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:52.241122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tneIv0LSdjFbVfo32XkFB8KVCn2xFPuWJc8URhURc1NyHBYmoeO80dHbO7z41s5IyCzA89NZ10tuk30gtI2ADg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:52.241861Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.2699","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30afdb0d3d04067536217bbeb9c660cbe89d2290d83e84fa6b28f26f6c16a025","sha256:6005cec5f7bac75d343dfe2b00ac9fc714f1d580e62162b3b4aea0e81d1b8077"],"state_sha256":"15baa46c32117c3c940e5406b9618385e641d39a83916f5fdcb4451aff00c1d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2t5LlNvjlVy6iASvY+bnz0zfkyvzBMwrMEIrWCXNs2IvDG9OZvMmKFL0tF1aLk/+PXAeLuPz9mUGfGwIWhvQDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T22:43:45.743310Z","bundle_sha256":"2ec16e9eee42a63fe56a2eda0437cf7bf28daec3083fd71d8e802f01f11ded66"}}