{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ZALPNJ4UCPFL6UQ6JWPFWWUUWS","short_pith_number":"pith:ZALPNJ4U","canonical_record":{"source":{"id":"1908.06520","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2019-08-18T21:46:19Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"dac4f302c230afdb5e52cf70660035c91a061900453075fae8f4a7964baaf16c","abstract_canon_sha256":"68e612fd84947628dab8445827292c0e2e9b36eaadcf8606213f14a8a562339f"},"schema_version":"1.0"},"canonical_sha256":"c816f6a79413cabf521e4d9e5b5a94b48dc560b7f836318427bdbae8974d366d","source":{"kind":"arxiv","id":"1908.06520","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06520","created_at":"2026-07-05T06:46:41Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06520v3","created_at":"2026-07-05T06:46:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06520","created_at":"2026-07-05T06:46:41Z"},{"alias_kind":"pith_short_12","alias_value":"ZALPNJ4UCPFL","created_at":"2026-07-05T06:46:41Z"},{"alias_kind":"pith_short_16","alias_value":"ZALPNJ4UCPFL6UQ6","created_at":"2026-07-05T06:46:41Z"},{"alias_kind":"pith_short_8","alias_value":"ZALPNJ4U","created_at":"2026-07-05T06:46:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ZALPNJ4UCPFL6UQ6JWPFWWUUWS","target":"record","payload":{"canonical_record":{"source":{"id":"1908.06520","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2019-08-18T21:46:19Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"dac4f302c230afdb5e52cf70660035c91a061900453075fae8f4a7964baaf16c","abstract_canon_sha256":"68e612fd84947628dab8445827292c0e2e9b36eaadcf8606213f14a8a562339f"},"schema_version":"1.0"},"canonical_sha256":"c816f6a79413cabf521e4d9e5b5a94b48dc560b7f836318427bdbae8974d366d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:46:41.587577Z","signature_b64":"U6rmVemR4ltMTOxjeV1gHnLwPlym/AudGSUm2w4waYAQgCzzufQuWa6s4fd2BmHt1Re3eNH5HbqKd0hirvIuDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c816f6a79413cabf521e4d9e5b5a94b48dc560b7f836318427bdbae8974d366d","last_reissued_at":"2026-07-05T06:46:41.587109Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:46:41.587109Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.06520","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:46:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e6DrXtSLO1CZ6A9Er2cUDnmhOs9jfX+XltIsPKSS25wU4msarG6q3GfzAKomgCxMWKDdmKFkxqsPI+hZPMd+Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:36:48.958733Z"},"content_sha256":"a0d5e96ae417c0ec6b9efe0cc386302068b473ff8c654ad7d343735d064635ad","schema_version":"1.0","event_id":"sha256:a0d5e96ae417c0ec6b9efe0cc386302068b473ff8c654ad7d343735d064635ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ZALPNJ4UCPFL6UQ6JWPFWWUUWS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling Islamist Extremist Communications on Social Media using Contextual Dimensions: Religion, Ideology, and Hate","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.SI","authors_text":"Amanuel Alambo, Amit Sheth, Carlos Castillo, Dilshod Achilov, I. Budak Arpinar, K. Thirunarayan, Manas Gaur, Ugur Kursuncu, Valerie Shalin","submitted_at":"2019-08-18T21:46:19Z","abstract_excerpt":"Terror attacks have been linked in part to online extremist content. Although tens of thousands of Islamist extremism supporters consume such content, they are a small fraction relative to peaceful Muslims. The efforts to contain the ever-evolving extremism on social media platforms have remained inadequate and mostly ineffective. Divergent extremist and mainstream contexts challenge machine interpretation, with a particular threat to the precision of classification algorithms. Our context-aware computational approach to the analysis of extremist content on Twitter breaks down this persuasion "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06520","kind":"arxiv","version":3},"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/1908.06520/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":"2026-07-05T06:46:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5fC8sUHqxmDNKetS2VQ/if1XTAVBoAS9PP3Qy12KUgLxApK/RJuujQexbE575LKq3FkCy7TWLtZalwVmWO8aCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:36:48.959375Z"},"content_sha256":"c5c1bd958ec221081e8b378e5919a0eabb0083cb7bc2b75420b17573cf0d168d","schema_version":"1.0","event_id":"sha256:c5c1bd958ec221081e8b378e5919a0eabb0083cb7bc2b75420b17573cf0d168d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZALPNJ4UCPFL6UQ6JWPFWWUUWS/bundle.json","state_url":"https://pith.science/pith/ZALPNJ4UCPFL6UQ6JWPFWWUUWS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZALPNJ4UCPFL6UQ6JWPFWWUUWS/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":"2026-07-07T07:36:48Z","links":{"resolver":"https://pith.science/pith/ZALPNJ4UCPFL6UQ6JWPFWWUUWS","bundle":"https://pith.science/pith/ZALPNJ4UCPFL6UQ6JWPFWWUUWS/bundle.json","state":"https://pith.science/pith/ZALPNJ4UCPFL6UQ6JWPFWWUUWS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZALPNJ4UCPFL6UQ6JWPFWWUUWS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ZALPNJ4UCPFL6UQ6JWPFWWUUWS","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":"68e612fd84947628dab8445827292c0e2e9b36eaadcf8606213f14a8a562339f","cross_cats_sorted":["cs.CL"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2019-08-18T21:46:19Z","title_canon_sha256":"dac4f302c230afdb5e52cf70660035c91a061900453075fae8f4a7964baaf16c"},"schema_version":"1.0","source":{"id":"1908.06520","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06520","created_at":"2026-07-05T06:46:41Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06520v3","created_at":"2026-07-05T06:46:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06520","created_at":"2026-07-05T06:46:41Z"},{"alias_kind":"pith_short_12","alias_value":"ZALPNJ4UCPFL","created_at":"2026-07-05T06:46:41Z"},{"alias_kind":"pith_short_16","alias_value":"ZALPNJ4UCPFL6UQ6","created_at":"2026-07-05T06:46:41Z"},{"alias_kind":"pith_short_8","alias_value":"ZALPNJ4U","created_at":"2026-07-05T06:46:41Z"}],"graph_snapshots":[{"event_id":"sha256:c5c1bd958ec221081e8b378e5919a0eabb0083cb7bc2b75420b17573cf0d168d","target":"graph","created_at":"2026-07-05T06:46:41Z","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/1908.06520/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Terror attacks have been linked in part to online extremist content. Although tens of thousands of Islamist extremism supporters consume such content, they are a small fraction relative to peaceful Muslims. The efforts to contain the ever-evolving extremism on social media platforms have remained inadequate and mostly ineffective. Divergent extremist and mainstream contexts challenge machine interpretation, with a particular threat to the precision of classification algorithms. Our context-aware computational approach to the analysis of extremist content on Twitter breaks down this persuasion ","authors_text":"Amanuel Alambo, Amit Sheth, Carlos Castillo, Dilshod Achilov, I. Budak Arpinar, K. Thirunarayan, Manas Gaur, Ugur Kursuncu, Valerie Shalin","cross_cats":["cs.CL"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2019-08-18T21:46:19Z","title":"Modeling Islamist Extremist Communications on Social Media using Contextual Dimensions: Religion, Ideology, and Hate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06520","kind":"arxiv","version":3},"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:a0d5e96ae417c0ec6b9efe0cc386302068b473ff8c654ad7d343735d064635ad","target":"record","created_at":"2026-07-05T06:46:41Z","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":"68e612fd84947628dab8445827292c0e2e9b36eaadcf8606213f14a8a562339f","cross_cats_sorted":["cs.CL"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.SI","submitted_at":"2019-08-18T21:46:19Z","title_canon_sha256":"dac4f302c230afdb5e52cf70660035c91a061900453075fae8f4a7964baaf16c"},"schema_version":"1.0","source":{"id":"1908.06520","kind":"arxiv","version":3}},"canonical_sha256":"c816f6a79413cabf521e4d9e5b5a94b48dc560b7f836318427bdbae8974d366d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c816f6a79413cabf521e4d9e5b5a94b48dc560b7f836318427bdbae8974d366d","first_computed_at":"2026-07-05T06:46:41.587109Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:46:41.587109Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U6rmVemR4ltMTOxjeV1gHnLwPlym/AudGSUm2w4waYAQgCzzufQuWa6s4fd2BmHt1Re3eNH5HbqKd0hirvIuDg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:46:41.587577Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.06520","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0d5e96ae417c0ec6b9efe0cc386302068b473ff8c654ad7d343735d064635ad","sha256:c5c1bd958ec221081e8b378e5919a0eabb0083cb7bc2b75420b17573cf0d168d"],"state_sha256":"fc19a955c59b698231d495a3d97dada2955e40b72fbae9554cdd7a8ca16e00a8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QGOlPfTcd5OO3lWBHvYCO6xMTO6W9WpVYy6ko/YSe6Oy3ywa6cJX5ZA3JrlY+A7dW2m7/XymwCoq+NA/uE3SCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T07:36:48.963259Z","bundle_sha256":"03fe0f2f8c7b4899f7d3136021a7dcd6961aa8848da071b7a82b6f63ce7e89b0"}}