{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:UQHHTAGQQNYZK2LIM4D3JZY3HL","short_pith_number":"pith:UQHHTAGQ","canonical_record":{"source":{"id":"1708.07104","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-08-23T17:12:03Z","cross_cats_sorted":[],"title_canon_sha256":"abd6cf07bcb54f1475ed980281b877f538b25ed6324dfc5ea2d0d65479fe0973","abstract_canon_sha256":"d45b0af4894d0c5c58436c7e48830c2550841736765f487d667d29c07399cfdc"},"schema_version":"1.0"},"canonical_sha256":"a40e7980d083719569686707b4e71b3ac1fa317020d4ae7fedf253f16bf61ac7","source":{"kind":"arxiv","id":"1708.07104","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.07104","created_at":"2026-05-18T00:36:48Z"},{"alias_kind":"arxiv_version","alias_value":"1708.07104v1","created_at":"2026-05-18T00:36:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.07104","created_at":"2026-05-18T00:36:48Z"},{"alias_kind":"pith_short_12","alias_value":"UQHHTAGQQNYZ","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"UQHHTAGQQNYZK2LI","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"UQHHTAGQ","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:UQHHTAGQQNYZK2LIM4D3JZY3HL","target":"record","payload":{"canonical_record":{"source":{"id":"1708.07104","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-08-23T17:12:03Z","cross_cats_sorted":[],"title_canon_sha256":"abd6cf07bcb54f1475ed980281b877f538b25ed6324dfc5ea2d0d65479fe0973","abstract_canon_sha256":"d45b0af4894d0c5c58436c7e48830c2550841736765f487d667d29c07399cfdc"},"schema_version":"1.0"},"canonical_sha256":"a40e7980d083719569686707b4e71b3ac1fa317020d4ae7fedf253f16bf61ac7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:48.396963Z","signature_b64":"m/POAW/nixAG2rmX+5ocGRqHNGFPXLQ+shJHFnjjl9/yGl12QarCYeitBNTve6kHMUG7slzgwJPdpi9W/OKQCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a40e7980d083719569686707b4e71b3ac1fa317020d4ae7fedf253f16bf61ac7","last_reissued_at":"2026-05-18T00:36:48.396370Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:48.396370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.07104","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":"2026-05-18T00:36:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sBAk7ygStyvYrBudqd9N6QTibcrmyZvPIdep2fNzBLJxVuGudL5vwx1uyT/IGN83Tkza4XuUNvtOzMG9eONiDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:20:23.546049Z"},"content_sha256":"03e96391d71d5a90c05400d5b39c39a4c6a8ea2467dc9d32ac94db24a65238b1","schema_version":"1.0","event_id":"sha256:03e96391d71d5a90c05400d5b39c39a4c6a8ea2467dc9d32ac94db24a65238b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:UQHHTAGQQNYZK2LIM4D3JZY3HL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automatic Detection of Fake News","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Alexandra Lefevre, Bennett Kleinberg, Rada Mihalcea, Ver\\'onica P\\'erez-Rosas","submitted_at":"2017-08-23T17:12:03Z","abstract_excerpt":"The proliferation of misleading information in everyday access media outlets such as social media feeds, news blogs, and online newspapers have made it challenging to identify trustworthy news sources, thus increasing the need for computational tools able to provide insights into the reliability of online content. In this paper, we focus on the automatic identification of fake content in online news. Our contribution is twofold. First, we introduce two novel datasets for the task of fake news detection, covering seven different news domains. We describe the collection, annotation, and validati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.07104","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":""},"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":"2026-05-18T00:36:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OEscWzwQ/av27TQjRcZoA5i1U1wXEAyeWEbbWnG8jblN61lv+mFaybGZ4LRbj585bHG0fdeT+lFsY+udA6JXCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:20:23.546507Z"},"content_sha256":"24ae6c19202268d414c6d1f63870f91a4b9695c917aebb38d1d2a5530abaa36f","schema_version":"1.0","event_id":"sha256:24ae6c19202268d414c6d1f63870f91a4b9695c917aebb38d1d2a5530abaa36f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UQHHTAGQQNYZK2LIM4D3JZY3HL/bundle.json","state_url":"https://pith.science/pith/UQHHTAGQQNYZK2LIM4D3JZY3HL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UQHHTAGQQNYZK2LIM4D3JZY3HL/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":"2026-05-30T19:20:23Z","links":{"resolver":"https://pith.science/pith/UQHHTAGQQNYZK2LIM4D3JZY3HL","bundle":"https://pith.science/pith/UQHHTAGQQNYZK2LIM4D3JZY3HL/bundle.json","state":"https://pith.science/pith/UQHHTAGQQNYZK2LIM4D3JZY3HL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UQHHTAGQQNYZK2LIM4D3JZY3HL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:UQHHTAGQQNYZK2LIM4D3JZY3HL","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":"d45b0af4894d0c5c58436c7e48830c2550841736765f487d667d29c07399cfdc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-08-23T17:12:03Z","title_canon_sha256":"abd6cf07bcb54f1475ed980281b877f538b25ed6324dfc5ea2d0d65479fe0973"},"schema_version":"1.0","source":{"id":"1708.07104","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.07104","created_at":"2026-05-18T00:36:48Z"},{"alias_kind":"arxiv_version","alias_value":"1708.07104v1","created_at":"2026-05-18T00:36:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.07104","created_at":"2026-05-18T00:36:48Z"},{"alias_kind":"pith_short_12","alias_value":"UQHHTAGQQNYZ","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"UQHHTAGQQNYZK2LI","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"UQHHTAGQ","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:24ae6c19202268d414c6d1f63870f91a4b9695c917aebb38d1d2a5530abaa36f","target":"graph","created_at":"2026-05-18T00:36:48Z","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":"The proliferation of misleading information in everyday access media outlets such as social media feeds, news blogs, and online newspapers have made it challenging to identify trustworthy news sources, thus increasing the need for computational tools able to provide insights into the reliability of online content. In this paper, we focus on the automatic identification of fake content in online news. Our contribution is twofold. First, we introduce two novel datasets for the task of fake news detection, covering seven different news domains. We describe the collection, annotation, and validati","authors_text":"Alexandra Lefevre, Bennett Kleinberg, Rada Mihalcea, Ver\\'onica P\\'erez-Rosas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-08-23T17:12:03Z","title":"Automatic Detection of Fake News"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.07104","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":"sha256:03e96391d71d5a90c05400d5b39c39a4c6a8ea2467dc9d32ac94db24a65238b1","target":"record","created_at":"2026-05-18T00:36:48Z","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":"d45b0af4894d0c5c58436c7e48830c2550841736765f487d667d29c07399cfdc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2017-08-23T17:12:03Z","title_canon_sha256":"abd6cf07bcb54f1475ed980281b877f538b25ed6324dfc5ea2d0d65479fe0973"},"schema_version":"1.0","source":{"id":"1708.07104","kind":"arxiv","version":1}},"canonical_sha256":"a40e7980d083719569686707b4e71b3ac1fa317020d4ae7fedf253f16bf61ac7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a40e7980d083719569686707b4e71b3ac1fa317020d4ae7fedf253f16bf61ac7","first_computed_at":"2026-05-18T00:36:48.396370Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:48.396370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m/POAW/nixAG2rmX+5ocGRqHNGFPXLQ+shJHFnjjl9/yGl12QarCYeitBNTve6kHMUG7slzgwJPdpi9W/OKQCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:48.396963Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.07104","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:03e96391d71d5a90c05400d5b39c39a4c6a8ea2467dc9d32ac94db24a65238b1","sha256:24ae6c19202268d414c6d1f63870f91a4b9695c917aebb38d1d2a5530abaa36f"],"state_sha256":"ca60db3727fbcd5485ccf21c471ab754fa143c7308ba34bf64a17c01ae9cd8c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XvmyQl8DoAOVqEYiRF65I8vWTX2JyciZWcUukurCMWFege3r8pF9A/oNJx3nk2mThVcf0Pb+cQ/K5gm5RI9eBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T19:20:23.548538Z","bundle_sha256":"1fe15c1eac05f330cad993344bb5466c05106f94c7bc7421a8957d5a684cba65"}}