{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:HYN32CB2XMUD7CITSMEFP23NF7","short_pith_number":"pith:HYN32CB2","canonical_record":{"source":{"id":"1908.07491","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-08-20T17:07:52Z","cross_cats_sorted":[],"title_canon_sha256":"4f4c851f1bd9ad4dd047858f30932f0420ae30d01d1727d6b1834bec87ad2d05","abstract_canon_sha256":"b8697c6b5e2a050abc3a1d46608818be2ed5875aa108b7371a4cef7fa7e94c52"},"schema_version":"1.0"},"canonical_sha256":"3e1bbd083abb283f8913930857eb6d2fe95dfddc56d247a40d67de18c998c71a","source":{"kind":"arxiv","id":"1908.07491","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07491","created_at":"2026-07-04T23:58:35Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07491v1","created_at":"2026-07-04T23:58:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07491","created_at":"2026-07-04T23:58:35Z"},{"alias_kind":"pith_short_12","alias_value":"HYN32CB2XMUD","created_at":"2026-07-04T23:58:35Z"},{"alias_kind":"pith_short_16","alias_value":"HYN32CB2XMUD7CIT","created_at":"2026-07-04T23:58:35Z"},{"alias_kind":"pith_short_8","alias_value":"HYN32CB2","created_at":"2026-07-04T23:58:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:HYN32CB2XMUD7CITSMEFP23NF7","target":"record","payload":{"canonical_record":{"source":{"id":"1908.07491","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-08-20T17:07:52Z","cross_cats_sorted":[],"title_canon_sha256":"4f4c851f1bd9ad4dd047858f30932f0420ae30d01d1727d6b1834bec87ad2d05","abstract_canon_sha256":"b8697c6b5e2a050abc3a1d46608818be2ed5875aa108b7371a4cef7fa7e94c52"},"schema_version":"1.0"},"canonical_sha256":"3e1bbd083abb283f8913930857eb6d2fe95dfddc56d247a40d67de18c998c71a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:58:35.624129Z","signature_b64":"1KXEggko3tfBXHexYDsEzktkoKHkPDZowqeH8eAjlLAErA+IRMWOu5yARpFxSd0L8q2Hzu1gIBiYfTaeldH7Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e1bbd083abb283f8913930857eb6d2fe95dfddc56d247a40d67de18c998c71a","last_reissued_at":"2026-07-04T23:58:35.623759Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:58:35.623759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.07491","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":"2026-07-04T23:58:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C19/TVrcYNG7zRZ/59hbOLEBWN7kk+gmhI+lfZYHcFM9K6YJjcNF39XrEswGR8Ss+7A7uGWP6H71YqMtMO7BDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:25:37.493469Z"},"content_sha256":"ff6db181203ea729754e45e74291da102b50d7e82d5428cd2330a58920aa3119","schema_version":"1.0","event_id":"sha256:ff6db181203ea729754e45e74291da102b50d7e82d5428cd2330a58920aa3119"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:HYN32CB2XMUD7CITSMEFP23NF7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Controversy in Context","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Ariel Gera, Benjamin Sznajder, Dafna Sheinwald, David Konopnicki, Ella Rabinovich, Noam Slonim, Ranit Aharonov, Yonatan Bilu","submitted_at":"2019-08-20T17:07:52Z","abstract_excerpt":"With the growing interest in social applications of Natural Language Processing and Computational Argumentation, a natural question is how controversial a given concept is. Prior works relied on Wikipedia's metadata and on content analysis of the articles pertaining to a concept in question. Here we show that the immediate textual context of a concept is strongly indicative of this property, and, using simple and language-independent machine-learning tools, we leverage this observation to achieve state-of-the-art results in controversiality prediction. In addition, we analyze and make availabl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07491","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/1908.07491/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":"2026-07-04T23:58:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VpsXWthwOqswE3nNHpXbcEYopEVU4UZy/jnL5Z2BedqWtel1RKqmGuWpZuwqkYuxSP6frxsSmL9+BSOPIn21DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:25:37.494232Z"},"content_sha256":"dee4bb89ad91acb9755b2ac2970af7a8b52af30c3256a0dadbea3de7a5ab98d3","schema_version":"1.0","event_id":"sha256:dee4bb89ad91acb9755b2ac2970af7a8b52af30c3256a0dadbea3de7a5ab98d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HYN32CB2XMUD7CITSMEFP23NF7/bundle.json","state_url":"https://pith.science/pith/HYN32CB2XMUD7CITSMEFP23NF7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HYN32CB2XMUD7CITSMEFP23NF7/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":"2026-08-16T06:25:37Z","links":{"resolver":"https://pith.science/pith/HYN32CB2XMUD7CITSMEFP23NF7","bundle":"https://pith.science/pith/HYN32CB2XMUD7CITSMEFP23NF7/bundle.json","state":"https://pith.science/pith/HYN32CB2XMUD7CITSMEFP23NF7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HYN32CB2XMUD7CITSMEFP23NF7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HYN32CB2XMUD7CITSMEFP23NF7","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":"b8697c6b5e2a050abc3a1d46608818be2ed5875aa108b7371a4cef7fa7e94c52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-08-20T17:07:52Z","title_canon_sha256":"4f4c851f1bd9ad4dd047858f30932f0420ae30d01d1727d6b1834bec87ad2d05"},"schema_version":"1.0","source":{"id":"1908.07491","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07491","created_at":"2026-07-04T23:58:35Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07491v1","created_at":"2026-07-04T23:58:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07491","created_at":"2026-07-04T23:58:35Z"},{"alias_kind":"pith_short_12","alias_value":"HYN32CB2XMUD","created_at":"2026-07-04T23:58:35Z"},{"alias_kind":"pith_short_16","alias_value":"HYN32CB2XMUD7CIT","created_at":"2026-07-04T23:58:35Z"},{"alias_kind":"pith_short_8","alias_value":"HYN32CB2","created_at":"2026-07-04T23:58:35Z"}],"graph_snapshots":[{"event_id":"sha256:dee4bb89ad91acb9755b2ac2970af7a8b52af30c3256a0dadbea3de7a5ab98d3","target":"graph","created_at":"2026-07-04T23:58:35Z","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/1908.07491/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With the growing interest in social applications of Natural Language Processing and Computational Argumentation, a natural question is how controversial a given concept is. Prior works relied on Wikipedia's metadata and on content analysis of the articles pertaining to a concept in question. Here we show that the immediate textual context of a concept is strongly indicative of this property, and, using simple and language-independent machine-learning tools, we leverage this observation to achieve state-of-the-art results in controversiality prediction. In addition, we analyze and make availabl","authors_text":"Ariel Gera, Benjamin Sznajder, Dafna Sheinwald, David Konopnicki, Ella Rabinovich, Noam Slonim, Ranit Aharonov, Yonatan Bilu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-08-20T17:07:52Z","title":"Controversy in Context"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07491","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:ff6db181203ea729754e45e74291da102b50d7e82d5428cd2330a58920aa3119","target":"record","created_at":"2026-07-04T23:58:35Z","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":"b8697c6b5e2a050abc3a1d46608818be2ed5875aa108b7371a4cef7fa7e94c52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2019-08-20T17:07:52Z","title_canon_sha256":"4f4c851f1bd9ad4dd047858f30932f0420ae30d01d1727d6b1834bec87ad2d05"},"schema_version":"1.0","source":{"id":"1908.07491","kind":"arxiv","version":1}},"canonical_sha256":"3e1bbd083abb283f8913930857eb6d2fe95dfddc56d247a40d67de18c998c71a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e1bbd083abb283f8913930857eb6d2fe95dfddc56d247a40d67de18c998c71a","first_computed_at":"2026-07-04T23:58:35.623759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:58:35.623759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1KXEggko3tfBXHexYDsEzktkoKHkPDZowqeH8eAjlLAErA+IRMWOu5yARpFxSd0L8q2Hzu1gIBiYfTaeldH7Dg==","signature_status":"signed_v1","signed_at":"2026-07-04T23:58:35.624129Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.07491","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff6db181203ea729754e45e74291da102b50d7e82d5428cd2330a58920aa3119","sha256:dee4bb89ad91acb9755b2ac2970af7a8b52af30c3256a0dadbea3de7a5ab98d3"],"state_sha256":"bf84c294f68ebc499e24cea13d907b2973c56ec5d56a56462f4d02a41db4fc58"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CDW8Jqv+G0qe49T/wZEVwzbefBOnOWokZQJtUCtnKCl6s5gygycUGdE+9Q0pgrucd4Xz8XB5d7unLiohRWK7BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T06:25:37.500156Z","bundle_sha256":"5bd5d68cb408aed19ba360521afb5b00f4d15bdb16958335d53e922174bf67f3"}}