{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:GMOOQPWMWYUFUMK2K35L76UAZD","short_pith_number":"pith:GMOOQPWM","canonical_record":{"source":{"id":"1504.04730","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-04-18T15:13:13Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"ede54b0ff20dcf82fd3bd7398580897bb873ede3b46e1055a26394a190ffc07d","abstract_canon_sha256":"3c8f000f20d731770f6eb0f3a5e9c04ebd5fcbf8b4cf46ef6b5da9f645ee5668"},"schema_version":"1.0"},"canonical_sha256":"331ce83eccb6285a315a56fabffa80c8f585c28d54e479660f9304bdc6b8697a","source":{"kind":"arxiv","id":"1504.04730","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.04730","created_at":"2026-05-18T02:18:24Z"},{"alias_kind":"arxiv_version","alias_value":"1504.04730v1","created_at":"2026-05-18T02:18:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.04730","created_at":"2026-05-18T02:18:24Z"},{"alias_kind":"pith_short_12","alias_value":"GMOOQPWMWYUF","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GMOOQPWMWYUFUMK2","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GMOOQPWM","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:GMOOQPWMWYUFUMK2K35L76UAZD","target":"record","payload":{"canonical_record":{"source":{"id":"1504.04730","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-04-18T15:13:13Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"ede54b0ff20dcf82fd3bd7398580897bb873ede3b46e1055a26394a190ffc07d","abstract_canon_sha256":"3c8f000f20d731770f6eb0f3a5e9c04ebd5fcbf8b4cf46ef6b5da9f645ee5668"},"schema_version":"1.0"},"canonical_sha256":"331ce83eccb6285a315a56fabffa80c8f585c28d54e479660f9304bdc6b8697a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:18:24.972131Z","signature_b64":"RcyUuWO9IYX47FCk8AOF+EHxfbILwpmeMBXllsNx7QRV0wV4O+4uZB0+jF4Sl11cpZI3bvFwk4TrvHfU1MG4BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"331ce83eccb6285a315a56fabffa80c8f585c28d54e479660f9304bdc6b8697a","last_reissued_at":"2026-05-18T02:18:24.971420Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:18:24.971420Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.04730","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":"2026-05-18T02:18:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tHGQ3p3EPSv3a5zEsarf7KScdS8waAbAxo9v+Lb8l/w2SxMrw/6mcSHRW9VZN8q7rx2Xd1UPAdrsmcwOK8LrBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T04:02:48.245111Z"},"content_sha256":"974ef2dfef41883c4ccde4e408c61d46245b7d6191839e8febbc26727f8cb34b","schema_version":"1.0","event_id":"sha256:974ef2dfef41883c4ccde4e408c61d46245b7d6191839e8febbc26727f8cb34b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:GMOOQPWMWYUFUMK2K35L76UAZD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"LookAhead: Augmenting Crowdsourced Website Reputation Systems With Predictive Modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IR"],"primary_cat":"cs.CR","authors_text":"N. Asokan, Otto Huhta, Sourav Bhattacharya","submitted_at":"2015-04-18T15:13:13Z","abstract_excerpt":"Unsafe websites consist of malicious as well as inappropriate sites, such as those hosting questionable or offensive content. Website reputation systems are intended to help ordinary users steer away from these unsafe sites. However, the process of assigning safety ratings for websites typically involves humans. Consequently it is time consuming, costly and not scalable. This has resulted in two major problems: (i) a significant proportion of the web space remains unrated and (ii) there is an unacceptable time lag before new websites are rated.\n  In this paper, we show that by leveraging struc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.04730","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":"2026-05-18T02:18:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c4a3g33CizTbvXz8hZyWG91i7s3dn7OAqXeNhSb6Lp66AHbdojtdliXhIBG7ZE3a3j+Ee645n2rxgsxI+jvRDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T04:02:48.245811Z"},"content_sha256":"3dc488fc8bac2cc93eb8d71d00cd4c4c144df07a62cf9aaec0a642349f35bd60","schema_version":"1.0","event_id":"sha256:3dc488fc8bac2cc93eb8d71d00cd4c4c144df07a62cf9aaec0a642349f35bd60"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GMOOQPWMWYUFUMK2K35L76UAZD/bundle.json","state_url":"https://pith.science/pith/GMOOQPWMWYUFUMK2K35L76UAZD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GMOOQPWMWYUFUMK2K35L76UAZD/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":"2026-06-06T04:02:48Z","links":{"resolver":"https://pith.science/pith/GMOOQPWMWYUFUMK2K35L76UAZD","bundle":"https://pith.science/pith/GMOOQPWMWYUFUMK2K35L76UAZD/bundle.json","state":"https://pith.science/pith/GMOOQPWMWYUFUMK2K35L76UAZD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GMOOQPWMWYUFUMK2K35L76UAZD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:GMOOQPWMWYUFUMK2K35L76UAZD","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":"3c8f000f20d731770f6eb0f3a5e9c04ebd5fcbf8b4cf46ef6b5da9f645ee5668","cross_cats_sorted":["cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-04-18T15:13:13Z","title_canon_sha256":"ede54b0ff20dcf82fd3bd7398580897bb873ede3b46e1055a26394a190ffc07d"},"schema_version":"1.0","source":{"id":"1504.04730","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.04730","created_at":"2026-05-18T02:18:24Z"},{"alias_kind":"arxiv_version","alias_value":"1504.04730v1","created_at":"2026-05-18T02:18:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.04730","created_at":"2026-05-18T02:18:24Z"},{"alias_kind":"pith_short_12","alias_value":"GMOOQPWMWYUF","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GMOOQPWMWYUFUMK2","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GMOOQPWM","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:3dc488fc8bac2cc93eb8d71d00cd4c4c144df07a62cf9aaec0a642349f35bd60","target":"graph","created_at":"2026-05-18T02:18:24Z","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":"Unsafe websites consist of malicious as well as inappropriate sites, such as those hosting questionable or offensive content. Website reputation systems are intended to help ordinary users steer away from these unsafe sites. However, the process of assigning safety ratings for websites typically involves humans. Consequently it is time consuming, costly and not scalable. This has resulted in two major problems: (i) a significant proportion of the web space remains unrated and (ii) there is an unacceptable time lag before new websites are rated.\n  In this paper, we show that by leveraging struc","authors_text":"N. Asokan, Otto Huhta, Sourav Bhattacharya","cross_cats":["cs.IR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-04-18T15:13:13Z","title":"LookAhead: Augmenting Crowdsourced Website Reputation Systems With Predictive Modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.04730","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":"sha256:974ef2dfef41883c4ccde4e408c61d46245b7d6191839e8febbc26727f8cb34b","target":"record","created_at":"2026-05-18T02:18:24Z","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":"3c8f000f20d731770f6eb0f3a5e9c04ebd5fcbf8b4cf46ef6b5da9f645ee5668","cross_cats_sorted":["cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-04-18T15:13:13Z","title_canon_sha256":"ede54b0ff20dcf82fd3bd7398580897bb873ede3b46e1055a26394a190ffc07d"},"schema_version":"1.0","source":{"id":"1504.04730","kind":"arxiv","version":1}},"canonical_sha256":"331ce83eccb6285a315a56fabffa80c8f585c28d54e479660f9304bdc6b8697a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"331ce83eccb6285a315a56fabffa80c8f585c28d54e479660f9304bdc6b8697a","first_computed_at":"2026-05-18T02:18:24.971420Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:18:24.971420Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RcyUuWO9IYX47FCk8AOF+EHxfbILwpmeMBXllsNx7QRV0wV4O+4uZB0+jF4Sl11cpZI3bvFwk4TrvHfU1MG4BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:18:24.972131Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.04730","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:974ef2dfef41883c4ccde4e408c61d46245b7d6191839e8febbc26727f8cb34b","sha256:3dc488fc8bac2cc93eb8d71d00cd4c4c144df07a62cf9aaec0a642349f35bd60"],"state_sha256":"2df9f21f821eaa889f27498db2010ac9886786a46cc1c70beb09f2c2e81362af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YXKcNSGNGhPW87fejC43HxCQYoQp04eHKrgmlxmLvsxB49621SljBPns1q3PDoruQsDAR7TBCY5ZnGxcxAqdAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T04:02:48.249624Z","bundle_sha256":"c8a19fdef6a332d5bb627125192233ad9ae2d4bdfb92c86f891ff9a3952fbf0c"}}