{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:YM6PBESEES7VW4X5DJZPFWS2IA","short_pith_number":"pith:YM6PBESE","canonical_record":{"source":{"id":"1706.07643","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2017-06-23T11:41:06Z","cross_cats_sorted":[],"title_canon_sha256":"2e9026b610a32534c0caf87d3beaaa0806d704492d031b64712e34bd88311b23","abstract_canon_sha256":"97f764fe8ccb4373cd065f2f01c0860f9e505b6ae6a6a29e855ed808a19a8cc1"},"schema_version":"1.0"},"canonical_sha256":"c33cf0924424bf5b72fd1a72f2da5a4035a7e24348ca784492be493f26274b14","source":{"kind":"arxiv","id":"1706.07643","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07643","created_at":"2026-05-18T00:36:24Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07643v2","created_at":"2026-05-18T00:36:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07643","created_at":"2026-05-18T00:36:24Z"},{"alias_kind":"pith_short_12","alias_value":"YM6PBESEES7V","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YM6PBESEES7VW4X5","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YM6PBESE","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:YM6PBESEES7VW4X5DJZPFWS2IA","target":"record","payload":{"canonical_record":{"source":{"id":"1706.07643","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2017-06-23T11:41:06Z","cross_cats_sorted":[],"title_canon_sha256":"2e9026b610a32534c0caf87d3beaaa0806d704492d031b64712e34bd88311b23","abstract_canon_sha256":"97f764fe8ccb4373cd065f2f01c0860f9e505b6ae6a6a29e855ed808a19a8cc1"},"schema_version":"1.0"},"canonical_sha256":"c33cf0924424bf5b72fd1a72f2da5a4035a7e24348ca784492be493f26274b14","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:24.020086Z","signature_b64":"LNS+XFzeJ3vIqjjymWCcLElEMNTyk97ZR5TfcPx1bCgcw2zADwu14+Q2pLxveuLUI3G+uAm1OxktO2Mhx7PxBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c33cf0924424bf5b72fd1a72f2da5a4035a7e24348ca784492be493f26274b14","last_reissued_at":"2026-05-18T00:36:24.019458Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:24.019458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.07643","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":"2026-05-18T00:36:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mcG7O7rjYH5DACPaxzw1HvTS04dbM1TNYC+qygQtoRCEMMWpApyVyzdLMR32g2TEqrQ+mXP9qVXZJ/WZmNOFBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:04:12.095988Z"},"content_sha256":"c6b1ccd0ae94d4e375febb05fc6e34286c4d928e0db9aa735045212433098bed","schema_version":"1.0","event_id":"sha256:c6b1ccd0ae94d4e375febb05fc6e34286c4d928e0db9aa735045212433098bed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:YM6PBESEES7VW4X5DJZPFWS2IA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Computational Controversy","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CY","authors_text":"Benjamin Timmermans, Kaspar Beelen, Lora Aroyo, Tobias Kuhn","submitted_at":"2017-06-23T11:41:06Z","abstract_excerpt":"Climate change, vaccination, abortion, Trump: Many topics are surrounded by fierce controversies. The nature of such heated debates and their elements have been studied extensively in the social science literature. More recently, various computational approaches to controversy analysis have appeared, using new data sources such as Wikipedia, which help us now better understand these phenomena. However, compared to what social sciences have discovered about such debates, the existing computational approaches mostly focus on just a few of the many important aspects around the concept of controve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07643","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":""},"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":"2026-05-18T00:36:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OLcCRZqG+/LUgj3E93fyqYBoK4WFLxliaBQbNywvi6ARbal7q+1ihwLSPtgCdbiqacGCO/pd4nVnQ4rNtTgxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:04:12.096347Z"},"content_sha256":"c8190a7949d2d664f076e0d18760bedb36a4dd95f43584a9254cbf2530911045","schema_version":"1.0","event_id":"sha256:c8190a7949d2d664f076e0d18760bedb36a4dd95f43584a9254cbf2530911045"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YM6PBESEES7VW4X5DJZPFWS2IA/bundle.json","state_url":"https://pith.science/pith/YM6PBESEES7VW4X5DJZPFWS2IA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YM6PBESEES7VW4X5DJZPFWS2IA/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":"2026-05-30T12:04:12Z","links":{"resolver":"https://pith.science/pith/YM6PBESEES7VW4X5DJZPFWS2IA","bundle":"https://pith.science/pith/YM6PBESEES7VW4X5DJZPFWS2IA/bundle.json","state":"https://pith.science/pith/YM6PBESEES7VW4X5DJZPFWS2IA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YM6PBESEES7VW4X5DJZPFWS2IA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YM6PBESEES7VW4X5DJZPFWS2IA","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":"97f764fe8ccb4373cd065f2f01c0860f9e505b6ae6a6a29e855ed808a19a8cc1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2017-06-23T11:41:06Z","title_canon_sha256":"2e9026b610a32534c0caf87d3beaaa0806d704492d031b64712e34bd88311b23"},"schema_version":"1.0","source":{"id":"1706.07643","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07643","created_at":"2026-05-18T00:36:24Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07643v2","created_at":"2026-05-18T00:36:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07643","created_at":"2026-05-18T00:36:24Z"},{"alias_kind":"pith_short_12","alias_value":"YM6PBESEES7V","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YM6PBESEES7VW4X5","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YM6PBESE","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:c8190a7949d2d664f076e0d18760bedb36a4dd95f43584a9254cbf2530911045","target":"graph","created_at":"2026-05-18T00:36:24Z","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":"Climate change, vaccination, abortion, Trump: Many topics are surrounded by fierce controversies. The nature of such heated debates and their elements have been studied extensively in the social science literature. More recently, various computational approaches to controversy analysis have appeared, using new data sources such as Wikipedia, which help us now better understand these phenomena. However, compared to what social sciences have discovered about such debates, the existing computational approaches mostly focus on just a few of the many important aspects around the concept of controve","authors_text":"Benjamin Timmermans, Kaspar Beelen, Lora Aroyo, Tobias Kuhn","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2017-06-23T11:41:06Z","title":"Computational Controversy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07643","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:c6b1ccd0ae94d4e375febb05fc6e34286c4d928e0db9aa735045212433098bed","target":"record","created_at":"2026-05-18T00:36:24Z","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":"97f764fe8ccb4373cd065f2f01c0860f9e505b6ae6a6a29e855ed808a19a8cc1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2017-06-23T11:41:06Z","title_canon_sha256":"2e9026b610a32534c0caf87d3beaaa0806d704492d031b64712e34bd88311b23"},"schema_version":"1.0","source":{"id":"1706.07643","kind":"arxiv","version":2}},"canonical_sha256":"c33cf0924424bf5b72fd1a72f2da5a4035a7e24348ca784492be493f26274b14","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c33cf0924424bf5b72fd1a72f2da5a4035a7e24348ca784492be493f26274b14","first_computed_at":"2026-05-18T00:36:24.019458Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:24.019458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LNS+XFzeJ3vIqjjymWCcLElEMNTyk97ZR5TfcPx1bCgcw2zADwu14+Q2pLxveuLUI3G+uAm1OxktO2Mhx7PxBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:24.020086Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.07643","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6b1ccd0ae94d4e375febb05fc6e34286c4d928e0db9aa735045212433098bed","sha256:c8190a7949d2d664f076e0d18760bedb36a4dd95f43584a9254cbf2530911045"],"state_sha256":"608710680eb4f2b46238f1de3138edbf25ba8081f985839fddcd98c8f19280cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X/mxE3ATCTE5CTAuxDY7B4btoGI49ySZ88ZLi1YJTyCSLJ1iBSh/NraWm+D2gu4oc5z2HulzS9vQygqCm9GQBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:04:12.098431Z","bundle_sha256":"cc37850616e6765d41f3eea59b589e9b35920b78fb3921f70387ca418801ab78"}}