{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:V457352BUTOYEN7UDHOGJTCNKC","short_pith_number":"pith:V457352B","canonical_record":{"source":{"id":"1903.02495","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-06T17:09:46Z","cross_cats_sorted":[],"title_canon_sha256":"163d6939a4f7a806fc2179bf2c807a124a6f43f4e0b8bcbfe5649211f408d4aa","abstract_canon_sha256":"08e4a689fee18bc5f6bc1113b23fb918a970a48efa21481731ba347474a72827"},"schema_version":"1.0"},"canonical_sha256":"af3bfdf741a4dd8237f419dc64cc4d50a82c82e6de17b372521f497c18e09005","source":{"kind":"arxiv","id":"1903.02495","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02495","created_at":"2026-05-17T23:42:23Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02495v1","created_at":"2026-05-17T23:42:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02495","created_at":"2026-05-17T23:42:23Z"},{"alias_kind":"pith_short_12","alias_value":"V457352BUTOY","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"V457352BUTOYEN7U","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"V457352B","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:V457352BUTOYEN7UDHOGJTCNKC","target":"record","payload":{"canonical_record":{"source":{"id":"1903.02495","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-06T17:09:46Z","cross_cats_sorted":[],"title_canon_sha256":"163d6939a4f7a806fc2179bf2c807a124a6f43f4e0b8bcbfe5649211f408d4aa","abstract_canon_sha256":"08e4a689fee18bc5f6bc1113b23fb918a970a48efa21481731ba347474a72827"},"schema_version":"1.0"},"canonical_sha256":"af3bfdf741a4dd8237f419dc64cc4d50a82c82e6de17b372521f497c18e09005","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:23.055448Z","signature_b64":"ZMtOQWz8jWX5AqQUh/pXyyoywN5qMSXK+NFPM1nsOPwobwdPVGxEWD1UrXtnWDCPyPOORJEXGY1nMfkAfxkQAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af3bfdf741a4dd8237f419dc64cc4d50a82c82e6de17b372521f497c18e09005","last_reissued_at":"2026-05-17T23:42:23.054693Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:23.054693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.02495","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":"2026-05-17T23:42:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TR+aroQplKhQDtQKmfindlI4fa3XcfeOrPspSNN97qGaEm1uNmRVwWllr3pBOJGKVFE4gg5z4waMgDd3XpmMAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T15:47:55.216644Z"},"content_sha256":"cb67a4c1ee4889cf7f2287977f16a6faeb51ef7a930091215a2d84f75f0a3325","schema_version":"1.0","event_id":"sha256:cb67a4c1ee4889cf7f2287977f16a6faeb51ef7a930091215a2d84f75f0a3325"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:V457352BUTOYEN7UDHOGJTCNKC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hybrid LSTM and Encoder-Decoder Architecture for Detection of Image Forgeries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Amit K. Roy-Chowdhury, B.S. Manjunath, Cody Simons, Jawadul H. Bappy, Lakshmanan Nataraj","submitted_at":"2019-03-06T17:09:46Z","abstract_excerpt":"With advanced image journaling tools, one can easily alter the semantic meaning of an image by exploiting certain manipulation techniques such as copy-clone, object splicing, and removal, which mislead the viewers. In contrast, the identification of these manipulations becomes a very challenging task as manipulated regions are not visually apparent. This paper proposes a high-confidence manipulation localization architecture which utilizes resampling features, Long-Short Term Memory (LSTM) cells, and encoder-decoder network to segment out manipulated regions from non-manipulated ones. Resampli"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02495","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":"2026-05-17T23:42:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0ctnHpCdtYadoucspTAol+DTFPlRa9MXUYpf0bo+VdgG9Or9oe7x89zFzAFCBvu0zRaxaHoapJuYECva0PlvBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T15:47:55.216991Z"},"content_sha256":"6f084c23a374e5011f2ba7e83df900692195d36ed2f856e2ba40eda1ddf121db","schema_version":"1.0","event_id":"sha256:6f084c23a374e5011f2ba7e83df900692195d36ed2f856e2ba40eda1ddf121db"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V457352BUTOYEN7UDHOGJTCNKC/bundle.json","state_url":"https://pith.science/pith/V457352BUTOYEN7UDHOGJTCNKC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V457352BUTOYEN7UDHOGJTCNKC/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":"2026-06-03T15:47:55Z","links":{"resolver":"https://pith.science/pith/V457352BUTOYEN7UDHOGJTCNKC","bundle":"https://pith.science/pith/V457352BUTOYEN7UDHOGJTCNKC/bundle.json","state":"https://pith.science/pith/V457352BUTOYEN7UDHOGJTCNKC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V457352BUTOYEN7UDHOGJTCNKC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:V457352BUTOYEN7UDHOGJTCNKC","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":"08e4a689fee18bc5f6bc1113b23fb918a970a48efa21481731ba347474a72827","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-06T17:09:46Z","title_canon_sha256":"163d6939a4f7a806fc2179bf2c807a124a6f43f4e0b8bcbfe5649211f408d4aa"},"schema_version":"1.0","source":{"id":"1903.02495","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02495","created_at":"2026-05-17T23:42:23Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02495v1","created_at":"2026-05-17T23:42:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02495","created_at":"2026-05-17T23:42:23Z"},{"alias_kind":"pith_short_12","alias_value":"V457352BUTOY","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"V457352BUTOYEN7U","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"V457352B","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:6f084c23a374e5011f2ba7e83df900692195d36ed2f856e2ba40eda1ddf121db","target":"graph","created_at":"2026-05-17T23:42:23Z","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":"With advanced image journaling tools, one can easily alter the semantic meaning of an image by exploiting certain manipulation techniques such as copy-clone, object splicing, and removal, which mislead the viewers. In contrast, the identification of these manipulations becomes a very challenging task as manipulated regions are not visually apparent. This paper proposes a high-confidence manipulation localization architecture which utilizes resampling features, Long-Short Term Memory (LSTM) cells, and encoder-decoder network to segment out manipulated regions from non-manipulated ones. Resampli","authors_text":"Amit K. Roy-Chowdhury, B.S. Manjunath, Cody Simons, Jawadul H. Bappy, Lakshmanan Nataraj","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-06T17:09:46Z","title":"Hybrid LSTM and Encoder-Decoder Architecture for Detection of Image Forgeries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02495","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:cb67a4c1ee4889cf7f2287977f16a6faeb51ef7a930091215a2d84f75f0a3325","target":"record","created_at":"2026-05-17T23:42:23Z","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":"08e4a689fee18bc5f6bc1113b23fb918a970a48efa21481731ba347474a72827","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-03-06T17:09:46Z","title_canon_sha256":"163d6939a4f7a806fc2179bf2c807a124a6f43f4e0b8bcbfe5649211f408d4aa"},"schema_version":"1.0","source":{"id":"1903.02495","kind":"arxiv","version":1}},"canonical_sha256":"af3bfdf741a4dd8237f419dc64cc4d50a82c82e6de17b372521f497c18e09005","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af3bfdf741a4dd8237f419dc64cc4d50a82c82e6de17b372521f497c18e09005","first_computed_at":"2026-05-17T23:42:23.054693Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:23.054693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZMtOQWz8jWX5AqQUh/pXyyoywN5qMSXK+NFPM1nsOPwobwdPVGxEWD1UrXtnWDCPyPOORJEXGY1nMfkAfxkQAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:23.055448Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.02495","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cb67a4c1ee4889cf7f2287977f16a6faeb51ef7a930091215a2d84f75f0a3325","sha256:6f084c23a374e5011f2ba7e83df900692195d36ed2f856e2ba40eda1ddf121db"],"state_sha256":"6802c2dcde552bdaf57a0b74b7a88251a24310889b2f0f7840582e089e7033c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jf+0IStyBhlmWLTbNnAp4UEUUvLNty7fK8suW6KyfxaGW12541d6TbN73vytdbHToCaAD65+LuUmwuP2CGpPAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T15:47:55.219229Z","bundle_sha256":"0530675a0d3e3b594187d2626e31c36fce4e8acaa88bfb1c000131ecb940f2ba"}}