{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:QWZYTR4YCYKVO3BKZGKOJVCCUP","short_pith_number":"pith:QWZYTR4Y","canonical_record":{"source":{"id":"1208.4324","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2012-08-17T05:15:31Z","cross_cats_sorted":[],"title_canon_sha256":"339d44fc0e710ce0935b24329144c590d34255735ea226c14981b9b12a7b83cb","abstract_canon_sha256":"f8aa89ac3e92c38051653c31c4b41734554cfa97f1216f62f2b51140a433bafc"},"schema_version":"1.0"},"canonical_sha256":"85b389c7981615576c2ac994e4d442a3f9a090f2440eb552a44e744d61f892ca","source":{"kind":"arxiv","id":"1208.4324","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.4324","created_at":"2026-05-18T02:21:00Z"},{"alias_kind":"arxiv_version","alias_value":"1208.4324v1","created_at":"2026-05-18T02:21:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.4324","created_at":"2026-05-18T02:21:00Z"},{"alias_kind":"pith_short_12","alias_value":"QWZYTR4YCYKV","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"QWZYTR4YCYKVO3BK","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"QWZYTR4Y","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:QWZYTR4YCYKVO3BKZGKOJVCCUP","target":"record","payload":{"canonical_record":{"source":{"id":"1208.4324","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2012-08-17T05:15:31Z","cross_cats_sorted":[],"title_canon_sha256":"339d44fc0e710ce0935b24329144c590d34255735ea226c14981b9b12a7b83cb","abstract_canon_sha256":"f8aa89ac3e92c38051653c31c4b41734554cfa97f1216f62f2b51140a433bafc"},"schema_version":"1.0"},"canonical_sha256":"85b389c7981615576c2ac994e4d442a3f9a090f2440eb552a44e744d61f892ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:21:00.876418Z","signature_b64":"4SG1BU6ePKQ3Eykg+BmMdJJwzJw9JtH7cCF2GOk/iYZ/4nqullW12XDrSAuYYXNSKyeIhxb057cuKAgUkwenDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85b389c7981615576c2ac994e4d442a3f9a090f2440eb552a44e744d61f892ca","last_reissued_at":"2026-05-18T02:21:00.875781Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:21:00.875781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.4324","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":"2026-05-18T02:21:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mWcwqK7ONb9vgm1SW/xFV/3cb6Z2Tl1fND7GnO4a7xYzxwU+9LNOhYdWEpP5lsjGiTxDqdhJVqonl8kbwEJ7BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:04:05.146493Z"},"content_sha256":"22149cee0b01882d86060935f57af9257768a63078a7dd47c17b2e69a575b188","schema_version":"1.0","event_id":"sha256:22149cee0b01882d86060935f57af9257768a63078a7dd47c17b2e69a575b188"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:QWZYTR4YCYKVO3BKZGKOJVCCUP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterizing Pedophile Conversations on the Internet using Online Grooming","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CY","authors_text":"Aditi Gupta, Ashish Sureka, Ponnurangam Kumaraguru","submitted_at":"2012-08-17T05:15:31Z","abstract_excerpt":"Cyber-crime targeting children such as online pedophile activity are a major and a growing concern to society. A deep understanding of predatory chat conversations on the Internet has implications in designing effective solutions to automatically identify malicious conversations from regular conversations. We believe that a deeper understanding of the pedophile conversation can result in more sophisticated and robust surveillance systems than majority of the current systems relying only on shallow processing such as simple word-counting or key-word spotting.\n  In this paper, we study pedophile"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.4324","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":"2026-05-18T02:21:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7r9Ysp0qZ9uSYE2i5PeFj45QCGsUK1Ls+ml4Lbf8WP0YXsNekgEmgBe9mKMKD+dGMgd0fMyzn7tkKciTMR/XBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:04:05.147109Z"},"content_sha256":"8564ae6ba237fd4cfc88f54a6982ec5b137e9a78fa37254a80a309f982b113c9","schema_version":"1.0","event_id":"sha256:8564ae6ba237fd4cfc88f54a6982ec5b137e9a78fa37254a80a309f982b113c9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QWZYTR4YCYKVO3BKZGKOJVCCUP/bundle.json","state_url":"https://pith.science/pith/QWZYTR4YCYKVO3BKZGKOJVCCUP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QWZYTR4YCYKVO3BKZGKOJVCCUP/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":"2026-06-07T07:04:05Z","links":{"resolver":"https://pith.science/pith/QWZYTR4YCYKVO3BKZGKOJVCCUP","bundle":"https://pith.science/pith/QWZYTR4YCYKVO3BKZGKOJVCCUP/bundle.json","state":"https://pith.science/pith/QWZYTR4YCYKVO3BKZGKOJVCCUP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QWZYTR4YCYKVO3BKZGKOJVCCUP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:QWZYTR4YCYKVO3BKZGKOJVCCUP","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":"f8aa89ac3e92c38051653c31c4b41734554cfa97f1216f62f2b51140a433bafc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2012-08-17T05:15:31Z","title_canon_sha256":"339d44fc0e710ce0935b24329144c590d34255735ea226c14981b9b12a7b83cb"},"schema_version":"1.0","source":{"id":"1208.4324","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.4324","created_at":"2026-05-18T02:21:00Z"},{"alias_kind":"arxiv_version","alias_value":"1208.4324v1","created_at":"2026-05-18T02:21:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.4324","created_at":"2026-05-18T02:21:00Z"},{"alias_kind":"pith_short_12","alias_value":"QWZYTR4YCYKV","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"QWZYTR4YCYKVO3BK","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"QWZYTR4Y","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:8564ae6ba237fd4cfc88f54a6982ec5b137e9a78fa37254a80a309f982b113c9","target":"graph","created_at":"2026-05-18T02:21:00Z","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":"Cyber-crime targeting children such as online pedophile activity are a major and a growing concern to society. A deep understanding of predatory chat conversations on the Internet has implications in designing effective solutions to automatically identify malicious conversations from regular conversations. We believe that a deeper understanding of the pedophile conversation can result in more sophisticated and robust surveillance systems than majority of the current systems relying only on shallow processing such as simple word-counting or key-word spotting.\n  In this paper, we study pedophile","authors_text":"Aditi Gupta, Ashish Sureka, Ponnurangam Kumaraguru","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2012-08-17T05:15:31Z","title":"Characterizing Pedophile Conversations on the Internet using Online Grooming"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.4324","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":"sha256:22149cee0b01882d86060935f57af9257768a63078a7dd47c17b2e69a575b188","target":"record","created_at":"2026-05-18T02:21:00Z","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":"f8aa89ac3e92c38051653c31c4b41734554cfa97f1216f62f2b51140a433bafc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2012-08-17T05:15:31Z","title_canon_sha256":"339d44fc0e710ce0935b24329144c590d34255735ea226c14981b9b12a7b83cb"},"schema_version":"1.0","source":{"id":"1208.4324","kind":"arxiv","version":1}},"canonical_sha256":"85b389c7981615576c2ac994e4d442a3f9a090f2440eb552a44e744d61f892ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85b389c7981615576c2ac994e4d442a3f9a090f2440eb552a44e744d61f892ca","first_computed_at":"2026-05-18T02:21:00.875781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:21:00.875781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4SG1BU6ePKQ3Eykg+BmMdJJwzJw9JtH7cCF2GOk/iYZ/4nqullW12XDrSAuYYXNSKyeIhxb057cuKAgUkwenDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:21:00.876418Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.4324","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:22149cee0b01882d86060935f57af9257768a63078a7dd47c17b2e69a575b188","sha256:8564ae6ba237fd4cfc88f54a6982ec5b137e9a78fa37254a80a309f982b113c9"],"state_sha256":"93c61ac8d60922f89f54af2b7f7342e3942399b6fb2a8c27c5d3d18e081ecb64"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gbw2gOAjhX/nfj4Z7VsHFr6/tzroGq6uYQK9haFNsO91+S9zuGmnWlntxpcFr8f/O/EFHdNumAZiU2PbULWABg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T07:04:05.150128Z","bundle_sha256":"6c6b1f4bb385d824a5e922ebafb666cda68b652b120ff3295e4ceefbdaf55990"}}