{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:MV6I2LATJ4KPRRFL6EAUCJH5ON","short_pith_number":"pith:MV6I2LAT","canonical_record":{"source":{"id":"1904.11723","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2019-04-26T08:59:57Z","cross_cats_sorted":[],"title_canon_sha256":"3cb3d70c44f379ac2d30752dede965d1026d2d9cee470e02d2ae5f589d08ab24","abstract_canon_sha256":"1c90554cc636cabf1aa869e50469553f8eb18b49eea89786266adc8c94577cac"},"schema_version":"1.0"},"canonical_sha256":"657c8d2c134f14f8c4abf1014124fd736dd79bb413bd5d4bb7107b85de8f0c22","source":{"kind":"arxiv","id":"1904.11723","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.11723","created_at":"2026-07-05T02:37:01Z"},{"alias_kind":"arxiv_version","alias_value":"1904.11723v2","created_at":"2026-07-05T02:37:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.11723","created_at":"2026-07-05T02:37:01Z"},{"alias_kind":"pith_short_12","alias_value":"MV6I2LATJ4KP","created_at":"2026-07-05T02:37:01Z"},{"alias_kind":"pith_short_16","alias_value":"MV6I2LATJ4KPRRFL","created_at":"2026-07-05T02:37:01Z"},{"alias_kind":"pith_short_8","alias_value":"MV6I2LAT","created_at":"2026-07-05T02:37:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:MV6I2LATJ4KPRRFL6EAUCJH5ON","target":"record","payload":{"canonical_record":{"source":{"id":"1904.11723","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2019-04-26T08:59:57Z","cross_cats_sorted":[],"title_canon_sha256":"3cb3d70c44f379ac2d30752dede965d1026d2d9cee470e02d2ae5f589d08ab24","abstract_canon_sha256":"1c90554cc636cabf1aa869e50469553f8eb18b49eea89786266adc8c94577cac"},"schema_version":"1.0"},"canonical_sha256":"657c8d2c134f14f8c4abf1014124fd736dd79bb413bd5d4bb7107b85de8f0c22","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:37:01.683173Z","signature_b64":"Q/tiuClGtCD0CumxavCusYfLYm70SICDg6eunRliW2D2EToJGdvngG5UmNsGSpUe5Y0TW3BpoQol8qAbnYU7Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"657c8d2c134f14f8c4abf1014124fd736dd79bb413bd5d4bb7107b85de8f0c22","last_reissued_at":"2026-07-05T02:37:01.682687Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:37:01.682687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.11723","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":"2026-07-05T02:37:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tMZShtTg0NsA8BKobTRN275QaQTLd5PTGVl0bJMdhuB5rUjAtGy6Jc2znX0ViuTsV0IpxyueHiff356cFhsrBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T21:53:47.396923Z"},"content_sha256":"aa05ea4be312fcb5d506fd3af3763f334b30b4f6c0dbc5c6d1bf1990d7b7543e","schema_version":"1.0","event_id":"sha256:aa05ea4be312fcb5d506fd3af3763f334b30b4f6c0dbc5c6d1bf1990d7b7543e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:MV6I2LATJ4KPRRFL6EAUCJH5ON","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterizing web pornography consumption from passive measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CY","authors_text":"Andrea Morichetta, Luca Vassio, Martino Trevisan","submitted_at":"2019-04-26T08:59:57Z","abstract_excerpt":"Web pornography represents a large fraction of the Internet traffic, with thousands of websites and millions of users. Studying web pornography consumption allows understanding human behaviors and it is crucial for medical and psychological research. However, given the lack of public data, these works typically build on surveys, limited by different factors, e.g. unreliable answers that volunteers may (involuntarily) provide. In this work, we collect anonymized accesses to pornography websites using HTTP-level passive traces. Our dataset includes about 15 000 broadband subscribers over a perio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.11723","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1904.11723/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:37:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BGTVVsJKSmyP/jFvTnuTSj6+BNlX0qdPMQ0VutFNEWE0pnfLNI9Jx9xPMsNlPij+wbkEyXTm/YW55Kp5Tqu9Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T21:53:47.398153Z"},"content_sha256":"7e460fcb25b886ae4a21007a95e80ee9fa73514148bc110346e37769870d49b3","schema_version":"1.0","event_id":"sha256:7e460fcb25b886ae4a21007a95e80ee9fa73514148bc110346e37769870d49b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MV6I2LATJ4KPRRFL6EAUCJH5ON/bundle.json","state_url":"https://pith.science/pith/MV6I2LATJ4KPRRFL6EAUCJH5ON/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MV6I2LATJ4KPRRFL6EAUCJH5ON/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":"2026-08-10T21:53:47Z","links":{"resolver":"https://pith.science/pith/MV6I2LATJ4KPRRFL6EAUCJH5ON","bundle":"https://pith.science/pith/MV6I2LATJ4KPRRFL6EAUCJH5ON/bundle.json","state":"https://pith.science/pith/MV6I2LATJ4KPRRFL6EAUCJH5ON/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MV6I2LATJ4KPRRFL6EAUCJH5ON/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MV6I2LATJ4KPRRFL6EAUCJH5ON","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":"1c90554cc636cabf1aa869e50469553f8eb18b49eea89786266adc8c94577cac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2019-04-26T08:59:57Z","title_canon_sha256":"3cb3d70c44f379ac2d30752dede965d1026d2d9cee470e02d2ae5f589d08ab24"},"schema_version":"1.0","source":{"id":"1904.11723","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.11723","created_at":"2026-07-05T02:37:01Z"},{"alias_kind":"arxiv_version","alias_value":"1904.11723v2","created_at":"2026-07-05T02:37:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.11723","created_at":"2026-07-05T02:37:01Z"},{"alias_kind":"pith_short_12","alias_value":"MV6I2LATJ4KP","created_at":"2026-07-05T02:37:01Z"},{"alias_kind":"pith_short_16","alias_value":"MV6I2LATJ4KPRRFL","created_at":"2026-07-05T02:37:01Z"},{"alias_kind":"pith_short_8","alias_value":"MV6I2LAT","created_at":"2026-07-05T02:37:01Z"}],"graph_snapshots":[{"event_id":"sha256:7e460fcb25b886ae4a21007a95e80ee9fa73514148bc110346e37769870d49b3","target":"graph","created_at":"2026-07-05T02:37:01Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1904.11723/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Web pornography represents a large fraction of the Internet traffic, with thousands of websites and millions of users. Studying web pornography consumption allows understanding human behaviors and it is crucial for medical and psychological research. However, given the lack of public data, these works typically build on surveys, limited by different factors, e.g. unreliable answers that volunteers may (involuntarily) provide. In this work, we collect anonymized accesses to pornography websites using HTTP-level passive traces. Our dataset includes about 15 000 broadband subscribers over a perio","authors_text":"Andrea Morichetta, Luca Vassio, Martino Trevisan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2019-04-26T08:59:57Z","title":"Characterizing web pornography consumption from passive measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.11723","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:aa05ea4be312fcb5d506fd3af3763f334b30b4f6c0dbc5c6d1bf1990d7b7543e","target":"record","created_at":"2026-07-05T02:37:01Z","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":"1c90554cc636cabf1aa869e50469553f8eb18b49eea89786266adc8c94577cac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2019-04-26T08:59:57Z","title_canon_sha256":"3cb3d70c44f379ac2d30752dede965d1026d2d9cee470e02d2ae5f589d08ab24"},"schema_version":"1.0","source":{"id":"1904.11723","kind":"arxiv","version":2}},"canonical_sha256":"657c8d2c134f14f8c4abf1014124fd736dd79bb413bd5d4bb7107b85de8f0c22","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"657c8d2c134f14f8c4abf1014124fd736dd79bb413bd5d4bb7107b85de8f0c22","first_computed_at":"2026-07-05T02:37:01.682687Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:37:01.682687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q/tiuClGtCD0CumxavCusYfLYm70SICDg6eunRliW2D2EToJGdvngG5UmNsGSpUe5Y0TW3BpoQol8qAbnYU7Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T02:37:01.683173Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.11723","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa05ea4be312fcb5d506fd3af3763f334b30b4f6c0dbc5c6d1bf1990d7b7543e","sha256:7e460fcb25b886ae4a21007a95e80ee9fa73514148bc110346e37769870d49b3"],"state_sha256":"d65bd7cc6441a34b7a37d939bce5d990618b0066862a716afe8ca8f4b8ad97de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zTbWd70Sz0y5yIkHNjBjuvTOQHnxN4SZTtd0j3l7MnNAcGTMHIjgeigfaiY44SzFrDa6ElC0s+CKpzLtUmRmDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T21:53:47.406654Z","bundle_sha256":"f789ccf0f20c3cb01e3425ad2157760f91e8388cbf4c4c51925b8d57b785d3c1"}}