{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:J4IBHXJZZNGRWBHNIHNLV2COCV","short_pith_number":"pith:J4IBHXJZ","canonical_record":{"source":{"id":"1609.07922","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-09-26T11:01:06Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"d0cb3f86df0632dd9bcac15420b44eaf3ec57bfb2bf16e67247c9cb26715b5fe","abstract_canon_sha256":"e91465e8b01c7268799178807ff8ec22d7d1d52918f025c9aa38f95834203e22"},"schema_version":"1.0"},"canonical_sha256":"4f1013dd39cb4d1b04ed41dabae84e155d921dfa0bbd4ded08a598b72a9476d2","source":{"kind":"arxiv","id":"1609.07922","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.07922","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"arxiv_version","alias_value":"1609.07922v1","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.07922","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"pith_short_12","alias_value":"J4IBHXJZZNGR","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"J4IBHXJZZNGRWBHN","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"J4IBHXJZ","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:J4IBHXJZZNGRWBHNIHNLV2COCV","target":"record","payload":{"canonical_record":{"source":{"id":"1609.07922","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-09-26T11:01:06Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"d0cb3f86df0632dd9bcac15420b44eaf3ec57bfb2bf16e67247c9cb26715b5fe","abstract_canon_sha256":"e91465e8b01c7268799178807ff8ec22d7d1d52918f025c9aa38f95834203e22"},"schema_version":"1.0"},"canonical_sha256":"4f1013dd39cb4d1b04ed41dabae84e155d921dfa0bbd4ded08a598b72a9476d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:54.991977Z","signature_b64":"+0XkhvBSpERla9QGkG8FGQ5hfK+6m8lzIrQxrIQMsw3k89BhjoJaXB2QQMW42fA/nlwFI+3jdPM081KEkZzPBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f1013dd39cb4d1b04ed41dabae84e155d921dfa0bbd4ded08a598b72a9476d2","last_reissued_at":"2026-05-18T01:03:54.991288Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:54.991288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.07922","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":"2026-05-18T01:03:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cfYOrA6lGThObAfzGUEDKFrQXWIiXuqKNTEoH1HTmWrpMgGfKcNClqvw49cBazd/vYBVqiSQY4hoyQpx6tsFAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T02:24:11.292398Z"},"content_sha256":"3afea471307cd9cfe94920c293a833f3e32b83588d5211957c06db9faf447510","schema_version":"1.0","event_id":"sha256:3afea471307cd9cfe94920c293a833f3e32b83588d5211957c06db9faf447510"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:J4IBHXJZZNGRWBHNIHNLV2COCV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"It wasn't me! Plausible Deniability in Web Search","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.CR","authors_text":"Douglas J. Leith, P\\'ol Mac Aonghusa","submitted_at":"2016-09-26T11:01:06Z","abstract_excerpt":"Our ability to control the flow of sensitive personal information to online systems is key to trust in personal privacy on the internet. We ask how to detect, assess and defend user privacy in the face of search engine personalisation? We develop practical and scalable tools allowing a user to detect, assess and defend against threats to plausible deniability. We show that threats to plausible deniability of interest are readily detectable for all topics tested in an extensive testing program. We show this remains the case when attempting to disrupt search engine learning through noise query i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.07922","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":"2026-05-18T01:03:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SFIv4Hks5Dc8uZmsFyamAe6dj/WaNWnoNeGze8vCAeXVxEYhskDP9MCrDgaw4D++PweHsFUXp5d6ZcyHyZLLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T02:24:11.292862Z"},"content_sha256":"8ad6fde66b2db647263d4689d7e1bc93f3f325a06a66cd641261d47f468aa29b","schema_version":"1.0","event_id":"sha256:8ad6fde66b2db647263d4689d7e1bc93f3f325a06a66cd641261d47f468aa29b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J4IBHXJZZNGRWBHNIHNLV2COCV/bundle.json","state_url":"https://pith.science/pith/J4IBHXJZZNGRWBHNIHNLV2COCV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J4IBHXJZZNGRWBHNIHNLV2COCV/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":"2026-06-03T02:24:11Z","links":{"resolver":"https://pith.science/pith/J4IBHXJZZNGRWBHNIHNLV2COCV","bundle":"https://pith.science/pith/J4IBHXJZZNGRWBHNIHNLV2COCV/bundle.json","state":"https://pith.science/pith/J4IBHXJZZNGRWBHNIHNLV2COCV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J4IBHXJZZNGRWBHNIHNLV2COCV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:J4IBHXJZZNGRWBHNIHNLV2COCV","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":"e91465e8b01c7268799178807ff8ec22d7d1d52918f025c9aa38f95834203e22","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-09-26T11:01:06Z","title_canon_sha256":"d0cb3f86df0632dd9bcac15420b44eaf3ec57bfb2bf16e67247c9cb26715b5fe"},"schema_version":"1.0","source":{"id":"1609.07922","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.07922","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"arxiv_version","alias_value":"1609.07922v1","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.07922","created_at":"2026-05-18T01:03:54Z"},{"alias_kind":"pith_short_12","alias_value":"J4IBHXJZZNGR","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"J4IBHXJZZNGRWBHN","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"J4IBHXJZ","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:8ad6fde66b2db647263d4689d7e1bc93f3f325a06a66cd641261d47f468aa29b","target":"graph","created_at":"2026-05-18T01:03:54Z","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":"Our ability to control the flow of sensitive personal information to online systems is key to trust in personal privacy on the internet. We ask how to detect, assess and defend user privacy in the face of search engine personalisation? We develop practical and scalable tools allowing a user to detect, assess and defend against threats to plausible deniability. We show that threats to plausible deniability of interest are readily detectable for all topics tested in an extensive testing program. We show this remains the case when attempting to disrupt search engine learning through noise query i","authors_text":"Douglas J. Leith, P\\'ol Mac Aonghusa","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-09-26T11:01:06Z","title":"It wasn't me! Plausible Deniability in Web Search"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.07922","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":"sha256:3afea471307cd9cfe94920c293a833f3e32b83588d5211957c06db9faf447510","target":"record","created_at":"2026-05-18T01:03:54Z","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":"e91465e8b01c7268799178807ff8ec22d7d1d52918f025c9aa38f95834203e22","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-09-26T11:01:06Z","title_canon_sha256":"d0cb3f86df0632dd9bcac15420b44eaf3ec57bfb2bf16e67247c9cb26715b5fe"},"schema_version":"1.0","source":{"id":"1609.07922","kind":"arxiv","version":1}},"canonical_sha256":"4f1013dd39cb4d1b04ed41dabae84e155d921dfa0bbd4ded08a598b72a9476d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f1013dd39cb4d1b04ed41dabae84e155d921dfa0bbd4ded08a598b72a9476d2","first_computed_at":"2026-05-18T01:03:54.991288Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:54.991288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+0XkhvBSpERla9QGkG8FGQ5hfK+6m8lzIrQxrIQMsw3k89BhjoJaXB2QQMW42fA/nlwFI+3jdPM081KEkZzPBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:54.991977Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.07922","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3afea471307cd9cfe94920c293a833f3e32b83588d5211957c06db9faf447510","sha256:8ad6fde66b2db647263d4689d7e1bc93f3f325a06a66cd641261d47f468aa29b"],"state_sha256":"a03b5efa4b70a168042fb08fa25b7bcce438ae14a5080caa2c5efedcac4f0f38"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rVVYo3pf865E2Kzim3/ikbNeqEwWQMSU/xv0/9roDRIK6V5RfLOBUJgT7988wJeNaeT6iv5PcMDFv6QvRXVBAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T02:24:11.294845Z","bundle_sha256":"e83a2fb46585a4081d91b72a8000d72d6ebce3fdba15a8b83b75060f5e2e2d55"}}