{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:3NJBYNZP4LBBUY4JFYJEOBC55U","short_pith_number":"pith:3NJBYNZP","canonical_record":{"source":{"id":"2607.12108","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2026-07-13T19:37:23Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"6164efa3f108f049aa40d7b2b5bc049db149ec4bea0b5388a97c6955c722b4e6","abstract_canon_sha256":"6dd9a458950a0095b96c0f1b9cac5dfe4b1fec2aecb63766a21a492e48fa8e21"},"schema_version":"1.0"},"canonical_sha256":"db521c372fe2c21a63892e1247045ded2150fe185a9a32db0ea77009b7dc62f5","source":{"kind":"arxiv","id":"2607.12108","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.12108","created_at":"2026-07-15T00:21:33Z"},{"alias_kind":"arxiv_version","alias_value":"2607.12108v1","created_at":"2026-07-15T00:21:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.12108","created_at":"2026-07-15T00:21:33Z"},{"alias_kind":"pith_short_12","alias_value":"3NJBYNZP4LBB","created_at":"2026-07-15T00:21:33Z"},{"alias_kind":"pith_short_16","alias_value":"3NJBYNZP4LBBUY4J","created_at":"2026-07-15T00:21:33Z"},{"alias_kind":"pith_short_8","alias_value":"3NJBYNZP","created_at":"2026-07-15T00:21:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:3NJBYNZP4LBBUY4JFYJEOBC55U","target":"record","payload":{"canonical_record":{"source":{"id":"2607.12108","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2026-07-13T19:37:23Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"6164efa3f108f049aa40d7b2b5bc049db149ec4bea0b5388a97c6955c722b4e6","abstract_canon_sha256":"6dd9a458950a0095b96c0f1b9cac5dfe4b1fec2aecb63766a21a492e48fa8e21"},"schema_version":"1.0"},"canonical_sha256":"db521c372fe2c21a63892e1247045ded2150fe185a9a32db0ea77009b7dc62f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-15T00:21:33.573989Z","signature_b64":"gMJL3E/Qq7PrIDQ3TieKMjHsvf1cDor6hRQKHtpHzjlqRJ+dAphX2dOjj/Mhfd9mRk8qYIN4hM8RBfPiSq2tDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db521c372fe2c21a63892e1247045ded2150fe185a9a32db0ea77009b7dc62f5","last_reissued_at":"2026-07-15T00:21:33.573229Z","signature_status":"signed_v1","first_computed_at":"2026-07-15T00:21:33.573229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.12108","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":"2026-07-15T00:21:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XG1keescJllzgJgez6ZYUbKVlTxPk19it7wtCPQadqF5rZCwZaUrIkyS3KBRT+ywVUb3LnCvgOCr8X2q0e6xBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T03:47:37.710981Z"},"content_sha256":"e7aaf4bdc3271fd02bb5735fbe8448f06e270eb479b868faaa8141e4eea58a36","schema_version":"1.0","event_id":"sha256:e7aaf4bdc3271fd02bb5735fbe8448f06e270eb479b868faaa8141e4eea58a36"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:3NJBYNZP4LBBUY4JFYJEOBC55U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stop using Media Bias/Fact Check in research","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.soc-ph"],"primary_cat":"cs.SI","authors_text":"Alejandro Javier Ruiz Iglesias, Ashley M.A. Fehr, Christopher M. Danforth, Julia Witte Zimmerman, Peter Sheridan Dodds","submitted_at":"2026-07-13T19:37:23Z","abstract_excerpt":"Media Bias/Fact Check (MBFC) purports to quantify the bias, credibility, and factuality of reporting for roughly 10,000 media sources, and the resulting data is commonly used in misinformation research. In the present study, we show that MBFC's methodology does not meet basic standards of rigor for academic research. Despite its widespread prevalence, studies using MBFC rarely examine it carefully, often describing it in ways that contradict its ``About'' page, or treating it as authoritative despite MBFC's disclaimer that it is ``not a tested scientific method... [but] a simple guide to the i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.12108","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/2607.12108/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":"2026-07-15T00:21:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NbhvPYSpQoFx8uu6bTe3CxlQDT3EWwgK1PgS88piSzc3wMA41GMXGJiwA0CaOCF2e+qgMHJt7e6BN3/ctdxRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T03:47:37.711646Z"},"content_sha256":"25cc190f211595119eea32e2bb5ded6689d69f6c40eb8d0f2416fa90787154fd","schema_version":"1.0","event_id":"sha256:25cc190f211595119eea32e2bb5ded6689d69f6c40eb8d0f2416fa90787154fd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3NJBYNZP4LBBUY4JFYJEOBC55U/bundle.json","state_url":"https://pith.science/pith/3NJBYNZP4LBBUY4JFYJEOBC55U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3NJBYNZP4LBBUY4JFYJEOBC55U/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":"2026-08-06T03:47:37Z","links":{"resolver":"https://pith.science/pith/3NJBYNZP4LBBUY4JFYJEOBC55U","bundle":"https://pith.science/pith/3NJBYNZP4LBBUY4JFYJEOBC55U/bundle.json","state":"https://pith.science/pith/3NJBYNZP4LBBUY4JFYJEOBC55U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3NJBYNZP4LBBUY4JFYJEOBC55U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:3NJBYNZP4LBBUY4JFYJEOBC55U","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":"6dd9a458950a0095b96c0f1b9cac5dfe4b1fec2aecb63766a21a492e48fa8e21","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2026-07-13T19:37:23Z","title_canon_sha256":"6164efa3f108f049aa40d7b2b5bc049db149ec4bea0b5388a97c6955c722b4e6"},"schema_version":"1.0","source":{"id":"2607.12108","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.12108","created_at":"2026-07-15T00:21:33Z"},{"alias_kind":"arxiv_version","alias_value":"2607.12108v1","created_at":"2026-07-15T00:21:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.12108","created_at":"2026-07-15T00:21:33Z"},{"alias_kind":"pith_short_12","alias_value":"3NJBYNZP4LBB","created_at":"2026-07-15T00:21:33Z"},{"alias_kind":"pith_short_16","alias_value":"3NJBYNZP4LBBUY4J","created_at":"2026-07-15T00:21:33Z"},{"alias_kind":"pith_short_8","alias_value":"3NJBYNZP","created_at":"2026-07-15T00:21:33Z"}],"graph_snapshots":[{"event_id":"sha256:25cc190f211595119eea32e2bb5ded6689d69f6c40eb8d0f2416fa90787154fd","target":"graph","created_at":"2026-07-15T00:21:33Z","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/2607.12108/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Media Bias/Fact Check (MBFC) purports to quantify the bias, credibility, and factuality of reporting for roughly 10,000 media sources, and the resulting data is commonly used in misinformation research. In the present study, we show that MBFC's methodology does not meet basic standards of rigor for academic research. Despite its widespread prevalence, studies using MBFC rarely examine it carefully, often describing it in ways that contradict its ``About'' page, or treating it as authoritative despite MBFC's disclaimer that it is ``not a tested scientific method... [but] a simple guide to the i","authors_text":"Alejandro Javier Ruiz Iglesias, Ashley M.A. Fehr, Christopher M. Danforth, Julia Witte Zimmerman, Peter Sheridan Dodds","cross_cats":["physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2026-07-13T19:37:23Z","title":"Stop using Media Bias/Fact Check in research"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.12108","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:e7aaf4bdc3271fd02bb5735fbe8448f06e270eb479b868faaa8141e4eea58a36","target":"record","created_at":"2026-07-15T00:21:33Z","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":"6dd9a458950a0095b96c0f1b9cac5dfe4b1fec2aecb63766a21a492e48fa8e21","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2026-07-13T19:37:23Z","title_canon_sha256":"6164efa3f108f049aa40d7b2b5bc049db149ec4bea0b5388a97c6955c722b4e6"},"schema_version":"1.0","source":{"id":"2607.12108","kind":"arxiv","version":1}},"canonical_sha256":"db521c372fe2c21a63892e1247045ded2150fe185a9a32db0ea77009b7dc62f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db521c372fe2c21a63892e1247045ded2150fe185a9a32db0ea77009b7dc62f5","first_computed_at":"2026-07-15T00:21:33.573229Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-15T00:21:33.573229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gMJL3E/Qq7PrIDQ3TieKMjHsvf1cDor6hRQKHtpHzjlqRJ+dAphX2dOjj/Mhfd9mRk8qYIN4hM8RBfPiSq2tDQ==","signature_status":"signed_v1","signed_at":"2026-07-15T00:21:33.573989Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.12108","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7aaf4bdc3271fd02bb5735fbe8448f06e270eb479b868faaa8141e4eea58a36","sha256:25cc190f211595119eea32e2bb5ded6689d69f6c40eb8d0f2416fa90787154fd"],"state_sha256":"33ff1688de54c03f4d66e5ecf54278353af665d96cc8e44962d8d1702e93a092"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f6h3D985eH/2NO7HbZBj71yANB9vqlLqTSZRPE6ctgY6hjR72Lc3dkF0/XHHpjWIJF7KaX5KKjviDiZSJ3wkAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T03:47:37.719964Z","bundle_sha256":"9d32d78d26cb97b0049f161257802da0a5733fda4cfea0ef14fafa8601b7aa17"}}