{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HJ7FZZ4M6DTWFLMLIYK4V3QARX","short_pith_number":"pith:HJ7FZZ4M","canonical_record":{"source":{"id":"1808.06686","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2018-08-20T20:47:56Z","cross_cats_sorted":["cs.AI","cs.CV","cs.LG","cs.SI"],"title_canon_sha256":"25bce48cfb8413683d2bbac9299aa5660ff313ab2fb5e7d6b33f2d35e761f16f","abstract_canon_sha256":"d155e58c6fef56de24d41cfbbe4eac366e0cb7a32544a88890469bfe575dbc02"},"schema_version":"1.0"},"canonical_sha256":"3a7e5ce78cf0e762ad8b4615caee008de969da292839e86e29e75709c1348578","source":{"kind":"arxiv","id":"1808.06686","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.06686","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"arxiv_version","alias_value":"1808.06686v1","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.06686","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"pith_short_12","alias_value":"HJ7FZZ4M6DTW","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HJ7FZZ4M6DTWFLML","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HJ7FZZ4M","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HJ7FZZ4M6DTWFLMLIYK4V3QARX","target":"record","payload":{"canonical_record":{"source":{"id":"1808.06686","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2018-08-20T20:47:56Z","cross_cats_sorted":["cs.AI","cs.CV","cs.LG","cs.SI"],"title_canon_sha256":"25bce48cfb8413683d2bbac9299aa5660ff313ab2fb5e7d6b33f2d35e761f16f","abstract_canon_sha256":"d155e58c6fef56de24d41cfbbe4eac366e0cb7a32544a88890469bfe575dbc02"},"schema_version":"1.0"},"canonical_sha256":"3a7e5ce78cf0e762ad8b4615caee008de969da292839e86e29e75709c1348578","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:39.405852Z","signature_b64":"jMJwWmRteEc+HhwQfNpCYOxlNB/CQ4qcQF1en0CMnN88LWcg4Nr2dOaBSaWeoRCREtjhr0RG9D8FImLmdfq4Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a7e5ce78cf0e762ad8b4615caee008de969da292839e86e29e75709c1348578","last_reissued_at":"2026-05-18T00:07:39.405126Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:39.405126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.06686","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":"2026-05-18T00:07:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jBSI8sRg1/WMnQaqVRVBndyCPEair0TF/3CjIlTdNL5sTmT/i20JjABu9gwwTl9VCAtvtbrv4GK+fEwunYF3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:00:18.472238Z"},"content_sha256":"96220780240b50f802f6288819139cfb9a6b46cb561e01f187b52a74b86f8369","schema_version":"1.0","event_id":"sha256:96220780240b50f802f6288819139cfb9a6b46cb561e01f187b52a74b86f8369"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HJ7FZZ4M6DTWFLMLIYK4V3QARX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep Multimodal Image-Repurposing Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.CV","cs.LG","cs.SI"],"primary_cat":"cs.MM","authors_text":"Ekraam Sabir, Prem Natarajan, Wael AbdAlmageed, Yue Wu","submitted_at":"2018-08-20T20:47:56Z","abstract_excerpt":"Nefarious actors on social media and other platforms often spread rumors and falsehoods through images whose metadata (e.g., captions) have been modified to provide visual substantiation of the rumor/falsehood. This type of modification is referred to as image repurposing, in which often an unmanipulated image is published along with incorrect or manipulated metadata to serve the actor's ulterior motives. We present the Multimodal Entity Image Repurposing (MEIR) dataset, a substantially challenging dataset over that which has been previously available to support research into image repurposing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.06686","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":"2026-05-18T00:07:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6jmOJrizSInFAqcsC4cq5xQq3aez2nJcb+Kgz7zK78Tot7kHcKYJf4/0D17LvyGXIQ/0XoFPitZmJBY+y3RuCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:00:18.472604Z"},"content_sha256":"4661f502c47bdc8d52d95743f64f46510b13cbbca1c48aedc9b527adb5db3302","schema_version":"1.0","event_id":"sha256:4661f502c47bdc8d52d95743f64f46510b13cbbca1c48aedc9b527adb5db3302"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HJ7FZZ4M6DTWFLMLIYK4V3QARX/bundle.json","state_url":"https://pith.science/pith/HJ7FZZ4M6DTWFLMLIYK4V3QARX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HJ7FZZ4M6DTWFLMLIYK4V3QARX/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":"2026-05-30T18:00:18Z","links":{"resolver":"https://pith.science/pith/HJ7FZZ4M6DTWFLMLIYK4V3QARX","bundle":"https://pith.science/pith/HJ7FZZ4M6DTWFLMLIYK4V3QARX/bundle.json","state":"https://pith.science/pith/HJ7FZZ4M6DTWFLMLIYK4V3QARX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HJ7FZZ4M6DTWFLMLIYK4V3QARX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HJ7FZZ4M6DTWFLMLIYK4V3QARX","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":"d155e58c6fef56de24d41cfbbe4eac366e0cb7a32544a88890469bfe575dbc02","cross_cats_sorted":["cs.AI","cs.CV","cs.LG","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2018-08-20T20:47:56Z","title_canon_sha256":"25bce48cfb8413683d2bbac9299aa5660ff313ab2fb5e7d6b33f2d35e761f16f"},"schema_version":"1.0","source":{"id":"1808.06686","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.06686","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"arxiv_version","alias_value":"1808.06686v1","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.06686","created_at":"2026-05-18T00:07:39Z"},{"alias_kind":"pith_short_12","alias_value":"HJ7FZZ4M6DTW","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HJ7FZZ4M6DTWFLML","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HJ7FZZ4M","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:4661f502c47bdc8d52d95743f64f46510b13cbbca1c48aedc9b527adb5db3302","target":"graph","created_at":"2026-05-18T00:07:39Z","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":"Nefarious actors on social media and other platforms often spread rumors and falsehoods through images whose metadata (e.g., captions) have been modified to provide visual substantiation of the rumor/falsehood. This type of modification is referred to as image repurposing, in which often an unmanipulated image is published along with incorrect or manipulated metadata to serve the actor's ulterior motives. We present the Multimodal Entity Image Repurposing (MEIR) dataset, a substantially challenging dataset over that which has been previously available to support research into image repurposing","authors_text":"Ekraam Sabir, Prem Natarajan, Wael AbdAlmageed, Yue Wu","cross_cats":["cs.AI","cs.CV","cs.LG","cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2018-08-20T20:47:56Z","title":"Deep Multimodal Image-Repurposing Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.06686","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":"sha256:96220780240b50f802f6288819139cfb9a6b46cb561e01f187b52a74b86f8369","target":"record","created_at":"2026-05-18T00:07:39Z","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":"d155e58c6fef56de24d41cfbbe4eac366e0cb7a32544a88890469bfe575dbc02","cross_cats_sorted":["cs.AI","cs.CV","cs.LG","cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2018-08-20T20:47:56Z","title_canon_sha256":"25bce48cfb8413683d2bbac9299aa5660ff313ab2fb5e7d6b33f2d35e761f16f"},"schema_version":"1.0","source":{"id":"1808.06686","kind":"arxiv","version":1}},"canonical_sha256":"3a7e5ce78cf0e762ad8b4615caee008de969da292839e86e29e75709c1348578","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a7e5ce78cf0e762ad8b4615caee008de969da292839e86e29e75709c1348578","first_computed_at":"2026-05-18T00:07:39.405126Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:39.405126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jMJwWmRteEc+HhwQfNpCYOxlNB/CQ4qcQF1en0CMnN88LWcg4Nr2dOaBSaWeoRCREtjhr0RG9D8FImLmdfq4Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:39.405852Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.06686","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96220780240b50f802f6288819139cfb9a6b46cb561e01f187b52a74b86f8369","sha256:4661f502c47bdc8d52d95743f64f46510b13cbbca1c48aedc9b527adb5db3302"],"state_sha256":"e4e2cb4e9c707192435996aff7d6ac3c80e6d6e63db3f7e3be4aa4bfa9ddd34c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ru9r5C2HiteW7LQwxT1DIa3OSi5LLXJkt3tnreFL9k5LBI+6R7j0XK1LwcVsYoxDy24pzkmHsSxJvA+FoLTDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T18:00:18.474455Z","bundle_sha256":"42824eebe7a179c0a2174a571e00244526603d3cdef321c2e836a7820d8f1e92"}}