{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:AQCDB7GDBUCHQLKSMKAGTF46H4","short_pith_number":"pith:AQCDB7GD","schema_version":"1.0","canonical_sha256":"040430fcc30d04782d52628069979e3f2e3f698e19041ab4303ee3e491be0ba1","source":{"kind":"arxiv","id":"2607.21853","version":1},"attestation_state":"computed","paper":{"title":"Filtering Offensive Content Changes Its Visibility but Not User Behavior: Two Randomized Controlled Trials with 200,000 Users on Nextdoor","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.HC","authors_text":"David J. Gr\\\"uning, Matthew Katsaros","submitted_at":"2026-07-23T22:41:23Z","abstract_excerpt":"We investigate the effectiveness of interventions that reduce the visibility of offensive content on the local social platform Nextdoor. Content filtering -- hiding or downranking offensive content that brushes against a platform's rules without clearly breaking them -- is deployed across virtually every major platform, yet almost no field evidence exists on whether it changes user behavior. We report two large-scale randomized controlled trials, each involving 100,000 users. Study 1 (2022) tested a report-triggered filter applied to comments in post threads and produced a modest 12% reduction"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2607.21853","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2026-07-23T22:41:23Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"ca715450fa41c4a2c09e3fb8be8eb8fa4af2fec32467fb138e2f107d8aee6fed","abstract_canon_sha256":"117351f944470eca977d392619e4631517d047c33a37e113b65050c8fd187cc1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-27T00:20:24.391114Z","signature_b64":"kQ4eDpTEWib9UImRACE0zzSZpNhy3Qmga+1HeknT2Q8ZtqMO/RDE9kokFqr5q8NR1wpV4WOzT65HnQMbMMViCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"040430fcc30d04782d52628069979e3f2e3f698e19041ab4303ee3e491be0ba1","last_reissued_at":"2026-07-27T00:20:24.390331Z","signature_status":"signed_v1","first_computed_at":"2026-07-27T00:20:24.390331Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Filtering Offensive Content Changes Its Visibility but Not User Behavior: Two Randomized Controlled Trials with 200,000 Users on Nextdoor","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.HC","authors_text":"David J. Gr\\\"uning, Matthew Katsaros","submitted_at":"2026-07-23T22:41:23Z","abstract_excerpt":"We investigate the effectiveness of interventions that reduce the visibility of offensive content on the local social platform Nextdoor. Content filtering -- hiding or downranking offensive content that brushes against a platform's rules without clearly breaking them -- is deployed across virtually every major platform, yet almost no field evidence exists on whether it changes user behavior. We report two large-scale randomized controlled trials, each involving 100,000 users. Study 1 (2022) tested a report-triggered filter applied to comments in post threads and produced a modest 12% reduction"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.21853","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.21853/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2607.21853","created_at":"2026-07-27T00:20:24.390735+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.21853v1","created_at":"2026-07-27T00:20:24.390735+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.21853","created_at":"2026-07-27T00:20:24.390735+00:00"},{"alias_kind":"pith_short_12","alias_value":"AQCDB7GDBUCH","created_at":"2026-07-27T00:20:24.390735+00:00"},{"alias_kind":"pith_short_16","alias_value":"AQCDB7GDBUCHQLKS","created_at":"2026-07-27T00:20:24.390735+00:00"},{"alias_kind":"pith_short_8","alias_value":"AQCDB7GD","created_at":"2026-07-27T00:20:24.390735+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/AQCDB7GDBUCHQLKSMKAGTF46H4","json":"https://pith.science/pith/AQCDB7GDBUCHQLKSMKAGTF46H4.json","graph_json":"https://pith.science/api/pith-number/AQCDB7GDBUCHQLKSMKAGTF46H4/graph.json","events_json":"https://pith.science/api/pith-number/AQCDB7GDBUCHQLKSMKAGTF46H4/events.json","paper":"https://pith.science/paper/AQCDB7GD"},"agent_actions":{"view_html":"https://pith.science/pith/AQCDB7GDBUCHQLKSMKAGTF46H4","download_json":"https://pith.science/pith/AQCDB7GDBUCHQLKSMKAGTF46H4.json","view_paper":"https://pith.science/paper/AQCDB7GD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.21853&json=true","fetch_graph":"https://pith.science/api/pith-number/AQCDB7GDBUCHQLKSMKAGTF46H4/graph.json","fetch_events":"https://pith.science/api/pith-number/AQCDB7GDBUCHQLKSMKAGTF46H4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AQCDB7GDBUCHQLKSMKAGTF46H4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AQCDB7GDBUCHQLKSMKAGTF46H4/action/storage_attestation","attest_author":"https://pith.science/pith/AQCDB7GDBUCHQLKSMKAGTF46H4/action/author_attestation","sign_citation":"https://pith.science/pith/AQCDB7GDBUCHQLKSMKAGTF46H4/action/citation_signature","submit_replication":"https://pith.science/pith/AQCDB7GDBUCHQLKSMKAGTF46H4/action/replication_record"}},"created_at":"2026-07-27T00:20:24.390735+00:00","updated_at":"2026-07-27T00:20:24.390735+00:00"}