{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:YW2CXFNIHGPJGOGBPOZOKV2WN3","short_pith_number":"pith:YW2CXFNI","canonical_record":{"source":{"id":"1905.12908","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-05-30T08:24:59Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"3b4e6bf17f122ec3f816005d8594993e2b02f78275a3bef765d0d0431d5c68ae","abstract_canon_sha256":"57eb9686c3997c747a4cebf5b607894f6c3b076bec119cbcc350833be1c59d3b"},"schema_version":"1.0"},"canonical_sha256":"c5b42b95a8399e9338c17bb2e557566ee348c7f03feea6720d91e2a8a8dd5836","source":{"kind":"arxiv","id":"1905.12908","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.12908","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"arxiv_version","alias_value":"1905.12908v1","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.12908","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"pith_short_12","alias_value":"YW2CXFNIHGPJ","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"YW2CXFNIHGPJGOGB","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"YW2CXFNI","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:YW2CXFNIHGPJGOGBPOZOKV2WN3","target":"record","payload":{"canonical_record":{"source":{"id":"1905.12908","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-05-30T08:24:59Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"3b4e6bf17f122ec3f816005d8594993e2b02f78275a3bef765d0d0431d5c68ae","abstract_canon_sha256":"57eb9686c3997c747a4cebf5b607894f6c3b076bec119cbcc350833be1c59d3b"},"schema_version":"1.0"},"canonical_sha256":"c5b42b95a8399e9338c17bb2e557566ee348c7f03feea6720d91e2a8a8dd5836","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:39.355839Z","signature_b64":"zKCMWKPkNnUMppkHtXRt7LceAyODlnozYy01Xse+DhKEKybum7an/IwdnsIBAH8NRJBjpeVF6pgso4PZyU2qCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5b42b95a8399e9338c17bb2e557566ee348c7f03feea6720d91e2a8a8dd5836","last_reissued_at":"2026-05-17T23:44:39.355157Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:39.355157Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.12908","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":"2026-05-17T23:44:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ty+ddm7/TEVV4yffHE8KJw5GveyxbTCC361ChYDuIbAMieDsp0B46/gNjQmSc98+VZdHJWYMbgIhvlXyhXlvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:30:18.809018Z"},"content_sha256":"4438323de13ff0e4d6fe5f5659674444d9d3452489df7454624babdc36c5daa7","schema_version":"1.0","event_id":"sha256:4438323de13ff0e4d6fe5f5659674444d9d3452489df7454624babdc36c5daa7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:YW2CXFNIHGPJGOGBPOZOKV2WN3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Algorithmic Detection and Analysis of Vaccine-Denialist Sentiment Clusters in Social Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.soc-ph"],"primary_cat":"cs.SI","authors_text":"Bjarke M{\\o}nsted, Sune Lehmann","submitted_at":"2019-05-30T08:24:59Z","abstract_excerpt":"Vaccination rates are decreasing in many areas of the world, and outbreaks of preventable diseases tend to follow in areas with particular low rates. Much research has been devoted to improving our understanding of the motivations behind vaccination decisions and the effects of various types of information offered to skeptics, no large-scale study of the structure of online vaccination discourse have been conducted.\n  Here, we offer an approach to quantitatively study the vaccine discourse in an online system, exemplified by Twitter. We use train a deep neural network to predict tweet vaccine "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.12908","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":"2026-05-17T23:44:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZY+FHIcoc7Q8L+Ro5JMW4/m35Ljq/CTIiNtPQa69Xy25mP1jYDaPK1T4iNx70Bls/flsCVmmop7+lT2zJFH5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T20:30:18.809751Z"},"content_sha256":"a31e184e8cff9b2fe2424fdd055209423d96636910da2a5db616a899671ad0cd","schema_version":"1.0","event_id":"sha256:a31e184e8cff9b2fe2424fdd055209423d96636910da2a5db616a899671ad0cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YW2CXFNIHGPJGOGBPOZOKV2WN3/bundle.json","state_url":"https://pith.science/pith/YW2CXFNIHGPJGOGBPOZOKV2WN3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YW2CXFNIHGPJGOGBPOZOKV2WN3/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":"2026-06-05T20:30:18Z","links":{"resolver":"https://pith.science/pith/YW2CXFNIHGPJGOGBPOZOKV2WN3","bundle":"https://pith.science/pith/YW2CXFNIHGPJGOGBPOZOKV2WN3/bundle.json","state":"https://pith.science/pith/YW2CXFNIHGPJGOGBPOZOKV2WN3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YW2CXFNIHGPJGOGBPOZOKV2WN3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:YW2CXFNIHGPJGOGBPOZOKV2WN3","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":"57eb9686c3997c747a4cebf5b607894f6c3b076bec119cbcc350833be1c59d3b","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-05-30T08:24:59Z","title_canon_sha256":"3b4e6bf17f122ec3f816005d8594993e2b02f78275a3bef765d0d0431d5c68ae"},"schema_version":"1.0","source":{"id":"1905.12908","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.12908","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"arxiv_version","alias_value":"1905.12908v1","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.12908","created_at":"2026-05-17T23:44:39Z"},{"alias_kind":"pith_short_12","alias_value":"YW2CXFNIHGPJ","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"YW2CXFNIHGPJGOGB","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"YW2CXFNI","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:a31e184e8cff9b2fe2424fdd055209423d96636910da2a5db616a899671ad0cd","target":"graph","created_at":"2026-05-17T23:44:39Z","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":"Vaccination rates are decreasing in many areas of the world, and outbreaks of preventable diseases tend to follow in areas with particular low rates. Much research has been devoted to improving our understanding of the motivations behind vaccination decisions and the effects of various types of information offered to skeptics, no large-scale study of the structure of online vaccination discourse have been conducted.\n  Here, we offer an approach to quantitatively study the vaccine discourse in an online system, exemplified by Twitter. We use train a deep neural network to predict tweet vaccine ","authors_text":"Bjarke M{\\o}nsted, Sune Lehmann","cross_cats":["physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-05-30T08:24:59Z","title":"Algorithmic Detection and Analysis of Vaccine-Denialist Sentiment Clusters in Social Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.12908","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":"sha256:4438323de13ff0e4d6fe5f5659674444d9d3452489df7454624babdc36c5daa7","target":"record","created_at":"2026-05-17T23:44:39Z","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":"57eb9686c3997c747a4cebf5b607894f6c3b076bec119cbcc350833be1c59d3b","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-05-30T08:24:59Z","title_canon_sha256":"3b4e6bf17f122ec3f816005d8594993e2b02f78275a3bef765d0d0431d5c68ae"},"schema_version":"1.0","source":{"id":"1905.12908","kind":"arxiv","version":1}},"canonical_sha256":"c5b42b95a8399e9338c17bb2e557566ee348c7f03feea6720d91e2a8a8dd5836","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5b42b95a8399e9338c17bb2e557566ee348c7f03feea6720d91e2a8a8dd5836","first_computed_at":"2026-05-17T23:44:39.355157Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:39.355157Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zKCMWKPkNnUMppkHtXRt7LceAyODlnozYy01Xse+DhKEKybum7an/IwdnsIBAH8NRJBjpeVF6pgso4PZyU2qCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:39.355839Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.12908","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4438323de13ff0e4d6fe5f5659674444d9d3452489df7454624babdc36c5daa7","sha256:a31e184e8cff9b2fe2424fdd055209423d96636910da2a5db616a899671ad0cd"],"state_sha256":"ecafeece8d7c00e8aa1ccc66cea4ae7ad0294fbb1f94acadc5467d52d8bf19ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yaScldPCAtv4Plk0vcDVfknykTRVA2oiB12I/ahdwv2Mc5nOPd5nN+OPlaov6QnFeaBHHgstkuWOJaRXbsjrCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T20:30:18.813824Z","bundle_sha256":"12b7b688f154b2b9ad80b93b66a9794440cffed36d7ad56f71943d10bf830a49"}}