{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:UIVQI2ZGWGIAN7BTEQAPMNMXKV","short_pith_number":"pith:UIVQI2ZG","canonical_record":{"source":{"id":"1111.0338","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2011-11-01T23:05:11Z","cross_cats_sorted":[],"title_canon_sha256":"531ac73a440a4162022f981ec43a4871b13f77642958498493cf0d9e2ec0197d","abstract_canon_sha256":"a45b4aa78aded8e5a94999957fa602c4809780394ed71038b5699abff2f5f489"},"schema_version":"1.0"},"canonical_sha256":"a22b046b26b19006fc332400f63597557b46972045cb1d1e7dee9559e63d12da","source":{"kind":"arxiv","id":"1111.0338","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.0338","created_at":"2026-05-18T04:04:53Z"},{"alias_kind":"arxiv_version","alias_value":"1111.0338v2","created_at":"2026-05-18T04:04:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.0338","created_at":"2026-05-18T04:04:53Z"},{"alias_kind":"pith_short_12","alias_value":"UIVQI2ZGWGIA","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UIVQI2ZGWGIAN7BT","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UIVQI2ZG","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:UIVQI2ZGWGIAN7BTEQAPMNMXKV","target":"record","payload":{"canonical_record":{"source":{"id":"1111.0338","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2011-11-01T23:05:11Z","cross_cats_sorted":[],"title_canon_sha256":"531ac73a440a4162022f981ec43a4871b13f77642958498493cf0d9e2ec0197d","abstract_canon_sha256":"a45b4aa78aded8e5a94999957fa602c4809780394ed71038b5699abff2f5f489"},"schema_version":"1.0"},"canonical_sha256":"a22b046b26b19006fc332400f63597557b46972045cb1d1e7dee9559e63d12da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:04:53.071633Z","signature_b64":"nf4vb1q/DEDey3SP1NRJEQSVchQj2F+YQ1+v7QpqmbE5maHxkn96/USntK0ufYqfkk/Ia15DcoETONCSt5muBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a22b046b26b19006fc332400f63597557b46972045cb1d1e7dee9559e63d12da","last_reissued_at":"2026-05-18T04:04:53.071075Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:04:53.071075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.0338","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:04:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LI5afMsXDEohaEKTblrcKz+UgbnxSPaNQWDqWeQFookgK/ODoTr5nfLElyWS0taMcnAjI4mBQz5Ff8ROa4pDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T01:50:21.920480Z"},"content_sha256":"56ff3bf367488a53675eeff040e9c81d78b8810ad6d3570d1bedeec5d1e8543c","schema_version":"1.0","event_id":"sha256:56ff3bf367488a53675eeff040e9c81d78b8810ad6d3570d1bedeec5d1e8543c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:UIVQI2ZGWGIAN7BTEQAPMNMXKV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring Linkablility of Community Reviewing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Gene Tsudik, Mishari Almishari","submitted_at":"2011-11-01T23:05:11Z","abstract_excerpt":"Large numbers of people all over the world read and contribute to various review sites. Many contributors are understandably concerned about privacy; specifically, about linkability of reviews (and accounts) across review sites. In this paper, we study linkability of community reviewing and try to answer the question: to what extent are \"anonymous\" reviews linkable, i.e., likely authored by the same contributor? Based on a very large set of reviews from a popular site (Yelp), we show that a high percentage of ostensibly anonymous reviews can be linked with very high confidence. This is despite"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.0338","kind":"arxiv","version":2},"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":"2026-05-18T04:04:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0X3ppAvf7qlXaKDR7HE0cv376EgCM0TNjM5EA3aC0/Z2pLZrDQhwCABVGtelObDhdD4At+v0yrT3CAJD+lr2Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T01:50:21.920829Z"},"content_sha256":"ed962a3ad1ea6635b037b6d4ed66d85db73e7f099bc53da5cae849be2f7e94c4","schema_version":"1.0","event_id":"sha256:ed962a3ad1ea6635b037b6d4ed66d85db73e7f099bc53da5cae849be2f7e94c4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UIVQI2ZGWGIAN7BTEQAPMNMXKV/bundle.json","state_url":"https://pith.science/pith/UIVQI2ZGWGIAN7BTEQAPMNMXKV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UIVQI2ZGWGIAN7BTEQAPMNMXKV/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":"2026-06-24T01:50:21Z","links":{"resolver":"https://pith.science/pith/UIVQI2ZGWGIAN7BTEQAPMNMXKV","bundle":"https://pith.science/pith/UIVQI2ZGWGIAN7BTEQAPMNMXKV/bundle.json","state":"https://pith.science/pith/UIVQI2ZGWGIAN7BTEQAPMNMXKV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UIVQI2ZGWGIAN7BTEQAPMNMXKV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:UIVQI2ZGWGIAN7BTEQAPMNMXKV","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":"a45b4aa78aded8e5a94999957fa602c4809780394ed71038b5699abff2f5f489","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2011-11-01T23:05:11Z","title_canon_sha256":"531ac73a440a4162022f981ec43a4871b13f77642958498493cf0d9e2ec0197d"},"schema_version":"1.0","source":{"id":"1111.0338","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.0338","created_at":"2026-05-18T04:04:53Z"},{"alias_kind":"arxiv_version","alias_value":"1111.0338v2","created_at":"2026-05-18T04:04:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.0338","created_at":"2026-05-18T04:04:53Z"},{"alias_kind":"pith_short_12","alias_value":"UIVQI2ZGWGIA","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UIVQI2ZGWGIAN7BT","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UIVQI2ZG","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:ed962a3ad1ea6635b037b6d4ed66d85db73e7f099bc53da5cae849be2f7e94c4","target":"graph","created_at":"2026-05-18T04:04:53Z","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":"Large numbers of people all over the world read and contribute to various review sites. Many contributors are understandably concerned about privacy; specifically, about linkability of reviews (and accounts) across review sites. In this paper, we study linkability of community reviewing and try to answer the question: to what extent are \"anonymous\" reviews linkable, i.e., likely authored by the same contributor? Based on a very large set of reviews from a popular site (Yelp), we show that a high percentage of ostensibly anonymous reviews can be linked with very high confidence. This is despite","authors_text":"Gene Tsudik, Mishari Almishari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2011-11-01T23:05:11Z","title":"Exploring Linkablility of Community Reviewing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.0338","kind":"arxiv","version":2},"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":"sha256:56ff3bf367488a53675eeff040e9c81d78b8810ad6d3570d1bedeec5d1e8543c","target":"record","created_at":"2026-05-18T04:04:53Z","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":"a45b4aa78aded8e5a94999957fa602c4809780394ed71038b5699abff2f5f489","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2011-11-01T23:05:11Z","title_canon_sha256":"531ac73a440a4162022f981ec43a4871b13f77642958498493cf0d9e2ec0197d"},"schema_version":"1.0","source":{"id":"1111.0338","kind":"arxiv","version":2}},"canonical_sha256":"a22b046b26b19006fc332400f63597557b46972045cb1d1e7dee9559e63d12da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a22b046b26b19006fc332400f63597557b46972045cb1d1e7dee9559e63d12da","first_computed_at":"2026-05-18T04:04:53.071075Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:04:53.071075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nf4vb1q/DEDey3SP1NRJEQSVchQj2F+YQ1+v7QpqmbE5maHxkn96/USntK0ufYqfkk/Ia15DcoETONCSt5muBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:04:53.071633Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.0338","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56ff3bf367488a53675eeff040e9c81d78b8810ad6d3570d1bedeec5d1e8543c","sha256:ed962a3ad1ea6635b037b6d4ed66d85db73e7f099bc53da5cae849be2f7e94c4"],"state_sha256":"1339d0ef16d879a3b4bba57104e4dce5c019e896cf128ff7517594d9bf44357e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QHQIIOcpPzxCK9YtbC4heCqXocQNc15fO/adkAvxhT4dSRcA1YCrfTvNEEYzlQ7Rp4kC6PCPfYGEXnCifcPVCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T01:50:21.922760Z","bundle_sha256":"91b7a35400cfd1df3c1f2f9f2342f7f677f09128fa2be66359397c121c581b42"}}