{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:LN36K6RHY545GKGNQTNCRTT2OU","short_pith_number":"pith:LN36K6RH","canonical_record":{"source":{"id":"2107.09183","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2021-07-19T22:47:17Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"a2991f9c223aacc023c7e41f772301418738733c2240f4583e8e6b72717397b0","abstract_canon_sha256":"20a5c2f47be8f5d3083c090ccb0b67ac729ca2e7224545d08f7c3d3e675110bc"},"schema_version":"1.0"},"canonical_sha256":"5b77e57a27c779d328cd84da28ce7a7502f75fd1e9f5f50332a776c8a2bd046c","source":{"kind":"arxiv","id":"2107.09183","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.09183","created_at":"2026-07-05T03:11:31Z"},{"alias_kind":"arxiv_version","alias_value":"2107.09183v2","created_at":"2026-07-05T03:11:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.09183","created_at":"2026-07-05T03:11:31Z"},{"alias_kind":"pith_short_12","alias_value":"LN36K6RHY545","created_at":"2026-07-05T03:11:31Z"},{"alias_kind":"pith_short_16","alias_value":"LN36K6RHY545GKGN","created_at":"2026-07-05T03:11:31Z"},{"alias_kind":"pith_short_8","alias_value":"LN36K6RH","created_at":"2026-07-05T03:11:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:LN36K6RHY545GKGNQTNCRTT2OU","target":"record","payload":{"canonical_record":{"source":{"id":"2107.09183","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2021-07-19T22:47:17Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"a2991f9c223aacc023c7e41f772301418738733c2240f4583e8e6b72717397b0","abstract_canon_sha256":"20a5c2f47be8f5d3083c090ccb0b67ac729ca2e7224545d08f7c3d3e675110bc"},"schema_version":"1.0"},"canonical_sha256":"5b77e57a27c779d328cd84da28ce7a7502f75fd1e9f5f50332a776c8a2bd046c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:11:31.649941Z","signature_b64":"soBbsjovDnwm8JparztZ08FBvvoGzEIikTYZSHhOjTZvu/jRS9VIQXfBEj6x3CzAJD/Ft9uFIKy9BPAmN9YNBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b77e57a27c779d328cd84da28ce7a7502f75fd1e9f5f50332a776c8a2bd046c","last_reissued_at":"2026-07-05T03:11:31.649538Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:11:31.649538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.09183","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":"2026-07-05T03:11:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mHu3bXw8Ty4CGrugFnnyV+VK/RAqXnWpcGyIOn/3u6jBJVwx27KpExXbsBd8TahMC00XvtTd41ffJ+DX1L0eDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:54:27.491015Z"},"content_sha256":"faba01f6bd802e950c481c4bf75b37d12b94d61715e7f5ecdefe9196cbe1cbb1","schema_version":"1.0","event_id":"sha256:faba01f6bd802e950c481c4bf75b37d12b94d61715e7f5ecdefe9196cbe1cbb1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:LN36K6RHY545GKGNQTNCRTT2OU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of External Content in the Vaccination Discussion on Twitter","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.SI","authors_text":"Iain J. Cruickshank, Kathleen M. Carley, Richard Kuzma","submitted_at":"2021-07-19T22:47:17Z","abstract_excerpt":"The spread of coronavirus and anti-vaccine conspiracies online hindered public health responses to the pandemic. We examined the content of external articles shared on Twitter from February to June 2020 to understand how conspiracy theories and fake news competed with legitimate sources of information. Examining external content--articles, rather than social media posts--is a novel methodology that allows for non-social media specific analysis of misinformation, tracking of changing narratives over time, and determining which types of resources (government, news, scientific, or dubious) domina"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.09183","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2107.09183/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":"2026-07-05T03:11:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2FekZzWY90VKlk2rKLP7XrTb0I+9ezbRqCe11N0X/N8/vbbuLtW9LG01Lsbbq/IkUuhvIMMU72C0JZsCmPSfAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:54:27.491532Z"},"content_sha256":"9562951f84a1e7ae2b2353befe4c719443b05580e91217f0d7c846d4a13fe46f","schema_version":"1.0","event_id":"sha256:9562951f84a1e7ae2b2353befe4c719443b05580e91217f0d7c846d4a13fe46f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LN36K6RHY545GKGNQTNCRTT2OU/bundle.json","state_url":"https://pith.science/pith/LN36K6RHY545GKGNQTNCRTT2OU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LN36K6RHY545GKGNQTNCRTT2OU/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":"2026-08-05T09:54:27Z","links":{"resolver":"https://pith.science/pith/LN36K6RHY545GKGNQTNCRTT2OU","bundle":"https://pith.science/pith/LN36K6RHY545GKGNQTNCRTT2OU/bundle.json","state":"https://pith.science/pith/LN36K6RHY545GKGNQTNCRTT2OU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LN36K6RHY545GKGNQTNCRTT2OU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:LN36K6RHY545GKGNQTNCRTT2OU","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":"20a5c2f47be8f5d3083c090ccb0b67ac729ca2e7224545d08f7c3d3e675110bc","cross_cats_sorted":["cs.CY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2021-07-19T22:47:17Z","title_canon_sha256":"a2991f9c223aacc023c7e41f772301418738733c2240f4583e8e6b72717397b0"},"schema_version":"1.0","source":{"id":"2107.09183","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.09183","created_at":"2026-07-05T03:11:31Z"},{"alias_kind":"arxiv_version","alias_value":"2107.09183v2","created_at":"2026-07-05T03:11:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.09183","created_at":"2026-07-05T03:11:31Z"},{"alias_kind":"pith_short_12","alias_value":"LN36K6RHY545","created_at":"2026-07-05T03:11:31Z"},{"alias_kind":"pith_short_16","alias_value":"LN36K6RHY545GKGN","created_at":"2026-07-05T03:11:31Z"},{"alias_kind":"pith_short_8","alias_value":"LN36K6RH","created_at":"2026-07-05T03:11:31Z"}],"graph_snapshots":[{"event_id":"sha256:9562951f84a1e7ae2b2353befe4c719443b05580e91217f0d7c846d4a13fe46f","target":"graph","created_at":"2026-07-05T03:11:31Z","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/2107.09183/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The spread of coronavirus and anti-vaccine conspiracies online hindered public health responses to the pandemic. We examined the content of external articles shared on Twitter from February to June 2020 to understand how conspiracy theories and fake news competed with legitimate sources of information. Examining external content--articles, rather than social media posts--is a novel methodology that allows for non-social media specific analysis of misinformation, tracking of changing narratives over time, and determining which types of resources (government, news, scientific, or dubious) domina","authors_text":"Iain J. Cruickshank, Kathleen M. Carley, Richard Kuzma","cross_cats":["cs.CY"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2021-07-19T22:47:17Z","title":"Analysis of External Content in the Vaccination Discussion on Twitter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.09183","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:faba01f6bd802e950c481c4bf75b37d12b94d61715e7f5ecdefe9196cbe1cbb1","target":"record","created_at":"2026-07-05T03:11:31Z","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":"20a5c2f47be8f5d3083c090ccb0b67ac729ca2e7224545d08f7c3d3e675110bc","cross_cats_sorted":["cs.CY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2021-07-19T22:47:17Z","title_canon_sha256":"a2991f9c223aacc023c7e41f772301418738733c2240f4583e8e6b72717397b0"},"schema_version":"1.0","source":{"id":"2107.09183","kind":"arxiv","version":2}},"canonical_sha256":"5b77e57a27c779d328cd84da28ce7a7502f75fd1e9f5f50332a776c8a2bd046c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b77e57a27c779d328cd84da28ce7a7502f75fd1e9f5f50332a776c8a2bd046c","first_computed_at":"2026-07-05T03:11:31.649538Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:11:31.649538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"soBbsjovDnwm8JparztZ08FBvvoGzEIikTYZSHhOjTZvu/jRS9VIQXfBEj6x3CzAJD/Ft9uFIKy9BPAmN9YNBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:11:31.649941Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.09183","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:faba01f6bd802e950c481c4bf75b37d12b94d61715e7f5ecdefe9196cbe1cbb1","sha256:9562951f84a1e7ae2b2353befe4c719443b05580e91217f0d7c846d4a13fe46f"],"state_sha256":"9df5b482b5954bac4a5a508f61206462fa9db627d32a37a3918d7e3cce8a15ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qgJX4c6/CbQnf1JFk3dwWkIBaMzo0F9wNKMm/VOPY6OzYvO0NNCBIcAPqiFI3+mVdNC9ZqZqO42RmoPSrKodAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T09:54:27.499374Z","bundle_sha256":"52cd537935532d6c987ef94ffaed52950069aa0c669a7706108b417e38e18963"}}