{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RFIUPJ52W4Z4CYG2RMP2KD47FK","short_pith_number":"pith:RFIUPJ52","canonical_record":{"source":{"id":"1904.07536","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2019-04-16T08:48:40Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"939bfc234a4d09ff045bdea4fdf894d5a27565035f2e8a87f018b48c304990a1","abstract_canon_sha256":"69637b9b4e7927f6b8796232bcae31f5aa34acb601690c24f2923391237eb716"},"schema_version":"1.0"},"canonical_sha256":"895147a7bab733c160da8b1fa50f9f2aab8e61569c960874b043e3f76cd96cb1","source":{"kind":"arxiv","id":"1904.07536","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.07536","created_at":"2026-05-17T23:48:24Z"},{"alias_kind":"arxiv_version","alias_value":"1904.07536v1","created_at":"2026-05-17T23:48:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.07536","created_at":"2026-05-17T23:48:24Z"},{"alias_kind":"pith_short_12","alias_value":"RFIUPJ52W4Z4","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RFIUPJ52W4Z4CYG2","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RFIUPJ52","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RFIUPJ52W4Z4CYG2RMP2KD47FK","target":"record","payload":{"canonical_record":{"source":{"id":"1904.07536","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2019-04-16T08:48:40Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"939bfc234a4d09ff045bdea4fdf894d5a27565035f2e8a87f018b48c304990a1","abstract_canon_sha256":"69637b9b4e7927f6b8796232bcae31f5aa34acb601690c24f2923391237eb716"},"schema_version":"1.0"},"canonical_sha256":"895147a7bab733c160da8b1fa50f9f2aab8e61569c960874b043e3f76cd96cb1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:24.937550Z","signature_b64":"rU11o1WfnriOO9cTMCQ7vjjkHaJJOWMbkMe8CcAFJfjOeiZ+RY0VpQPrJYyyk9uoBG0TIu5wLq1hR9uUo7fVBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"895147a7bab733c160da8b1fa50f9f2aab8e61569c960874b043e3f76cd96cb1","last_reissued_at":"2026-05-17T23:48:24.936950Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:24.936950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.07536","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":"2026-05-17T23:48:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iQNf7XGXG6IDRY72cbhByXPu2pqhvbDaSNo8mDS190DvWkUHyn/5sEB19lj9UUrQnIJ3dmROtLz3I2gd4sc3DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T22:09:40.945220Z"},"content_sha256":"ff3793ba16f2dd56f6af53933eec029f4e35c9d1a9c97f42e24359916eb51090","schema_version":"1.0","event_id":"sha256:ff3793ba16f2dd56f6af53933eec029f4e35c9d1a9c97f42e24359916eb51090"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RFIUPJ52W4Z4CYG2RMP2KD47FK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Selection Bias in News Coverage: Learning it, Fighting it","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.SI","authors_text":"Dylan Bourgeois, Jeremie Rappaz, Karl Aberer","submitted_at":"2019-04-16T08:48:40Z","abstract_excerpt":"News entities must select and filter the coverage they broadcast through their respective channels since the set of world events is too large to be treated exhaustively. The subjective nature of this filtering induces biases due to, among other things, resource constraints, editorial guidelines, ideological affinities, or even the fragmented nature of the information at a journalist's disposal. The magnitude and direction of these biases are, however, widely unknown. The absence of ground truth, the sheer size of the event space, or the lack of an exhaustive set of absolute features to measure"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.07536","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":"2026-05-17T23:48:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XUsvPI6UJlI7xTnjKiZwdMVHanWQWFkkROBIpKRyu+YkPCNp0szYuV7XPvn1kagN++MHDz5WvCIHCkG4ajbfCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T22:09:40.945610Z"},"content_sha256":"ff7231bac0494db9621b00e9109980b826a5a9ef26d0ee27ceeea052076c57ab","schema_version":"1.0","event_id":"sha256:ff7231bac0494db9621b00e9109980b826a5a9ef26d0ee27ceeea052076c57ab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RFIUPJ52W4Z4CYG2RMP2KD47FK/bundle.json","state_url":"https://pith.science/pith/RFIUPJ52W4Z4CYG2RMP2KD47FK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RFIUPJ52W4Z4CYG2RMP2KD47FK/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":"2026-06-05T22:09:40Z","links":{"resolver":"https://pith.science/pith/RFIUPJ52W4Z4CYG2RMP2KD47FK","bundle":"https://pith.science/pith/RFIUPJ52W4Z4CYG2RMP2KD47FK/bundle.json","state":"https://pith.science/pith/RFIUPJ52W4Z4CYG2RMP2KD47FK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RFIUPJ52W4Z4CYG2RMP2KD47FK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RFIUPJ52W4Z4CYG2RMP2KD47FK","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":"69637b9b4e7927f6b8796232bcae31f5aa34acb601690c24f2923391237eb716","cross_cats_sorted":["cs.CY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2019-04-16T08:48:40Z","title_canon_sha256":"939bfc234a4d09ff045bdea4fdf894d5a27565035f2e8a87f018b48c304990a1"},"schema_version":"1.0","source":{"id":"1904.07536","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.07536","created_at":"2026-05-17T23:48:24Z"},{"alias_kind":"arxiv_version","alias_value":"1904.07536v1","created_at":"2026-05-17T23:48:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.07536","created_at":"2026-05-17T23:48:24Z"},{"alias_kind":"pith_short_12","alias_value":"RFIUPJ52W4Z4","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RFIUPJ52W4Z4CYG2","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RFIUPJ52","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:ff7231bac0494db9621b00e9109980b826a5a9ef26d0ee27ceeea052076c57ab","target":"graph","created_at":"2026-05-17T23:48:24Z","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":"News entities must select and filter the coverage they broadcast through their respective channels since the set of world events is too large to be treated exhaustively. The subjective nature of this filtering induces biases due to, among other things, resource constraints, editorial guidelines, ideological affinities, or even the fragmented nature of the information at a journalist's disposal. The magnitude and direction of these biases are, however, widely unknown. The absence of ground truth, the sheer size of the event space, or the lack of an exhaustive set of absolute features to measure","authors_text":"Dylan Bourgeois, Jeremie Rappaz, Karl Aberer","cross_cats":["cs.CY"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2019-04-16T08:48:40Z","title":"Selection Bias in News Coverage: Learning it, Fighting it"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.07536","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:ff3793ba16f2dd56f6af53933eec029f4e35c9d1a9c97f42e24359916eb51090","target":"record","created_at":"2026-05-17T23:48:24Z","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":"69637b9b4e7927f6b8796232bcae31f5aa34acb601690c24f2923391237eb716","cross_cats_sorted":["cs.CY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2019-04-16T08:48:40Z","title_canon_sha256":"939bfc234a4d09ff045bdea4fdf894d5a27565035f2e8a87f018b48c304990a1"},"schema_version":"1.0","source":{"id":"1904.07536","kind":"arxiv","version":1}},"canonical_sha256":"895147a7bab733c160da8b1fa50f9f2aab8e61569c960874b043e3f76cd96cb1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"895147a7bab733c160da8b1fa50f9f2aab8e61569c960874b043e3f76cd96cb1","first_computed_at":"2026-05-17T23:48:24.936950Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:24.936950Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rU11o1WfnriOO9cTMCQ7vjjkHaJJOWMbkMe8CcAFJfjOeiZ+RY0VpQPrJYyyk9uoBG0TIu5wLq1hR9uUo7fVBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:24.937550Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.07536","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff3793ba16f2dd56f6af53933eec029f4e35c9d1a9c97f42e24359916eb51090","sha256:ff7231bac0494db9621b00e9109980b826a5a9ef26d0ee27ceeea052076c57ab"],"state_sha256":"64c3d761736798ee10d9eade2803979b4c1ea950d48662cc93dd2ea15b5956ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F43cMwJlIlBpXS+WdWE5zRYGLwmAEePP6RAB+KN06cA/kHumM9ipj4/EbiN2Mdx1w0El8XGFNcBFS8KwNTEsDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T22:09:40.948026Z","bundle_sha256":"902f082ac2f84a7ffebc9f4b84930ccd62ec2603272a181b0ae300af4593381b"}}