{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:NEFSFXZ353OCPRRXN6SINETGV3","short_pith_number":"pith:NEFSFXZ3","canonical_record":{"source":{"id":"2109.05184","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.MM","submitted_at":"2021-09-11T04:29:32Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"acf0f0e2867e370bd0b7e2e6c67b4879bf963b338c9f7da6a30d205ad7f860ac","abstract_canon_sha256":"be8b0df5356ddf0c69dc47987cf3539a18cf37f9b81b16e7c5741834f7ff49a5"},"schema_version":"1.0"},"canonical_sha256":"690b22df3beedc27c6376fa4869266aedf73110764a4410d2ea2cfa1f0e8f5a7","source":{"kind":"arxiv","id":"2109.05184","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.05184","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"arxiv_version","alias_value":"2109.05184v2","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.05184","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_12","alias_value":"NEFSFXZ353OC","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_16","alias_value":"NEFSFXZ353OCPRRX","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_8","alias_value":"NEFSFXZ3","created_at":"2026-07-05T03:16:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:NEFSFXZ353OCPRRXN6SINETGV3","target":"record","payload":{"canonical_record":{"source":{"id":"2109.05184","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.MM","submitted_at":"2021-09-11T04:29:32Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"acf0f0e2867e370bd0b7e2e6c67b4879bf963b338c9f7da6a30d205ad7f860ac","abstract_canon_sha256":"be8b0df5356ddf0c69dc47987cf3539a18cf37f9b81b16e7c5741834f7ff49a5"},"schema_version":"1.0"},"canonical_sha256":"690b22df3beedc27c6376fa4869266aedf73110764a4410d2ea2cfa1f0e8f5a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:16:34.131145Z","signature_b64":"ZmpgpkN8+LU4nGSnPbMN66qa3KjQTU+pa21gZOrIucDcMtxTsT26fWTTVpGKTWKR691d4BzhkTYAUe3StKqCBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"690b22df3beedc27c6376fa4869266aedf73110764a4410d2ea2cfa1f0e8f5a7","last_reissued_at":"2026-07-05T03:16:34.130682Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:16:34.130682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.05184","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":"2026-07-05T03:16:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"77dbj4m+qzJM0WBmLD0q705Yv+i0GfDCHboZQm/U6fpb9qG+b5b+K9uOMy1v+46M2PRriq2LGZ9+JFLff2YYDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T13:31:07.871406Z"},"content_sha256":"50acdd3db6a8d97e48c27b487139ba9a43de4cef73f6738f92e5a9ca6633927f","schema_version":"1.0","event_id":"sha256:50acdd3db6a8d97e48c27b487139ba9a43de4cef73f6738f92e5a9ca6633927f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:NEFSFXZ353OCPRRXN6SINETGV3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MOMENTA: A Multimodal Framework for Detecting Harmful Memes and Their Targets","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.MM","authors_text":"Dimitar Dimitrov, Md Shad Akhtar, Preslav Nakov, Shivam Sharma, Shraman Pramanick, Tanmoy Chakraborty","submitted_at":"2021-09-11T04:29:32Z","abstract_excerpt":"Internet memes have become powerful means to transmit political, psychological, and socio-cultural ideas. Although memes are typically humorous, recent days have witnessed an escalation of harmful memes used for trolling, cyberbullying, and abuse. Detecting such memes is challenging as they can be highly satirical and cryptic. Moreover, while previous work has focused on specific aspects of memes such as hate speech and propaganda, there has been little work on harm in general. Here, we aim to bridge this gap. We focus on two tasks: (i)detecting harmful memes, and (ii)identifying the social en"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.05184","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/2109.05184/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":"2026-07-05T03:16:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+y8lZBqEEGaFljr6DqqsYtbLl/WK8Fm3mFyXhu93L4pvUwjiOYxeDR8s5IyDPNc1bA1yY2afBuW3jDJA8N4JAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T13:31:07.872026Z"},"content_sha256":"50ae7647fc546c0c4ccfb69296cd0ab453fd45f9199fa382dc0241351dce882b","schema_version":"1.0","event_id":"sha256:50ae7647fc546c0c4ccfb69296cd0ab453fd45f9199fa382dc0241351dce882b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NEFSFXZ353OCPRRXN6SINETGV3/bundle.json","state_url":"https://pith.science/pith/NEFSFXZ353OCPRRXN6SINETGV3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NEFSFXZ353OCPRRXN6SINETGV3/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":"2026-07-05T13:31:07Z","links":{"resolver":"https://pith.science/pith/NEFSFXZ353OCPRRXN6SINETGV3","bundle":"https://pith.science/pith/NEFSFXZ353OCPRRXN6SINETGV3/bundle.json","state":"https://pith.science/pith/NEFSFXZ353OCPRRXN6SINETGV3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NEFSFXZ353OCPRRXN6SINETGV3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:NEFSFXZ353OCPRRXN6SINETGV3","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":"be8b0df5356ddf0c69dc47987cf3539a18cf37f9b81b16e7c5741834f7ff49a5","cross_cats_sorted":["cs.CL"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.MM","submitted_at":"2021-09-11T04:29:32Z","title_canon_sha256":"acf0f0e2867e370bd0b7e2e6c67b4879bf963b338c9f7da6a30d205ad7f860ac"},"schema_version":"1.0","source":{"id":"2109.05184","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.05184","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"arxiv_version","alias_value":"2109.05184v2","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.05184","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_12","alias_value":"NEFSFXZ353OC","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_16","alias_value":"NEFSFXZ353OCPRRX","created_at":"2026-07-05T03:16:34Z"},{"alias_kind":"pith_short_8","alias_value":"NEFSFXZ3","created_at":"2026-07-05T03:16:34Z"}],"graph_snapshots":[{"event_id":"sha256:50ae7647fc546c0c4ccfb69296cd0ab453fd45f9199fa382dc0241351dce882b","target":"graph","created_at":"2026-07-05T03:16:34Z","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/2109.05184/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Internet memes have become powerful means to transmit political, psychological, and socio-cultural ideas. Although memes are typically humorous, recent days have witnessed an escalation of harmful memes used for trolling, cyberbullying, and abuse. Detecting such memes is challenging as they can be highly satirical and cryptic. Moreover, while previous work has focused on specific aspects of memes such as hate speech and propaganda, there has been little work on harm in general. Here, we aim to bridge this gap. We focus on two tasks: (i)detecting harmful memes, and (ii)identifying the social en","authors_text":"Dimitar Dimitrov, Md Shad Akhtar, Preslav Nakov, Shivam Sharma, Shraman Pramanick, Tanmoy Chakraborty","cross_cats":["cs.CL"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.MM","submitted_at":"2021-09-11T04:29:32Z","title":"MOMENTA: A Multimodal Framework for Detecting Harmful Memes and Their Targets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.05184","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":"sha256:50acdd3db6a8d97e48c27b487139ba9a43de4cef73f6738f92e5a9ca6633927f","target":"record","created_at":"2026-07-05T03:16:34Z","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":"be8b0df5356ddf0c69dc47987cf3539a18cf37f9b81b16e7c5741834f7ff49a5","cross_cats_sorted":["cs.CL"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.MM","submitted_at":"2021-09-11T04:29:32Z","title_canon_sha256":"acf0f0e2867e370bd0b7e2e6c67b4879bf963b338c9f7da6a30d205ad7f860ac"},"schema_version":"1.0","source":{"id":"2109.05184","kind":"arxiv","version":2}},"canonical_sha256":"690b22df3beedc27c6376fa4869266aedf73110764a4410d2ea2cfa1f0e8f5a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"690b22df3beedc27c6376fa4869266aedf73110764a4410d2ea2cfa1f0e8f5a7","first_computed_at":"2026-07-05T03:16:34.130682Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:16:34.130682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZmpgpkN8+LU4nGSnPbMN66qa3KjQTU+pa21gZOrIucDcMtxTsT26fWTTVpGKTWKR691d4BzhkTYAUe3StKqCBA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:16:34.131145Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.05184","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50acdd3db6a8d97e48c27b487139ba9a43de4cef73f6738f92e5a9ca6633927f","sha256:50ae7647fc546c0c4ccfb69296cd0ab453fd45f9199fa382dc0241351dce882b"],"state_sha256":"fd1859c15535dd989b2180d3a1852e1f3c0d5d0de44c9452a317c569771b4b62"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1qZoMRwfoa2QZf5IqgQBfcpBXBcQp3IWpAK2oIRrev2A4igjre5aVfTOsW5fbGcXYcX7mrneaOklBv+pFE+cDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T13:31:07.875049Z","bundle_sha256":"faaafd957430a0d16bb8f21f54b4371b5957293c09bbfb2e974e38b86b80798d"}}