{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:MGMMYCVDF7HKQ6UJY4C3R2BEOJ","short_pith_number":"pith:MGMMYCVD","canonical_record":{"source":{"id":"1901.07683","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-23T01:39:08Z","cross_cats_sorted":[],"title_canon_sha256":"fe261a931b60825cd131085e49fd62e7d765bc1667f448af8240c979ecdf523f","abstract_canon_sha256":"045119cdb4c5dec681b8d30726e6e79a49634012c9e252f893a8c9cc698f7fff"},"schema_version":"1.0"},"canonical_sha256":"6198cc0aa32fcea87a89c705b8e824725db42653c8549a769b51cb436e856de1","source":{"kind":"arxiv","id":"1901.07683","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.07683","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"arxiv_version","alias_value":"1901.07683v1","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07683","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"pith_short_12","alias_value":"MGMMYCVDF7HK","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"MGMMYCVDF7HKQ6UJ","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"MGMMYCVD","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:MGMMYCVDF7HKQ6UJY4C3R2BEOJ","target":"record","payload":{"canonical_record":{"source":{"id":"1901.07683","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-23T01:39:08Z","cross_cats_sorted":[],"title_canon_sha256":"fe261a931b60825cd131085e49fd62e7d765bc1667f448af8240c979ecdf523f","abstract_canon_sha256":"045119cdb4c5dec681b8d30726e6e79a49634012c9e252f893a8c9cc698f7fff"},"schema_version":"1.0"},"canonical_sha256":"6198cc0aa32fcea87a89c705b8e824725db42653c8549a769b51cb436e856de1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:41.838339Z","signature_b64":"k6LGj3/nc8s+EvyZF1JRQuvFpKc8o4S4/zP0RUGaHU2sN6YXkJCSsbycyp9PM65Ge3/M/PKYyYiGoTNZ0gHoAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6198cc0aa32fcea87a89c705b8e824725db42653c8549a769b51cb436e856de1","last_reissued_at":"2026-05-17T23:55:41.837783Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:41.837783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.07683","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":"2026-05-17T23:55:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2HYcz+zfpeYYMNwksh8MLia3ZW/oWfcIq0cvPJcaVxcEyu8D7fwVcXuRxDc6r6lgVex50tHLaLSI3OlgYnLlBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:05:41.837167Z"},"content_sha256":"b3be0e2d2da9d75a21b8eb2a968dd087073a383aa70d26e54a3ef35247f90407","schema_version":"1.0","event_id":"sha256:b3be0e2d2da9d75a21b8eb2a968dd087073a383aa70d26e54a3ef35247f90407"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:MGMMYCVDF7HKQ6UJY4C3R2BEOJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Class Activation Map Generation by Representative Class Selection and Multi-Layer Feature Fusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Fanman Meng, Hongliang Li, Kaixu Huang, Qingbo Wu","submitted_at":"2019-01-23T01:39:08Z","abstract_excerpt":"Existing method generates class activation map (CAM) by a set of fixed classes (i.e., using all the classes), while the discriminative cues between class pairs are not considered. Note that activation maps by considering different class pair are complementary, and therefore can provide more discriminative cues to overcome the shortcoming of the existing CAM generation that the highlighted regions are usually local part regions rather than global object regions due to the lack of object cues. In this paper, we generate CAM by using a few of representative classes, with aim of extracting more di"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07683","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":"2026-05-17T23:55:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wp/snksOlwo+Q7uHX7T6AcrOEbz9Kpn0b4fjfXxTbdvdU8ndFXWo9z6xfZ4XrOdhdJFz6NSu/DJkvAdxDQeGDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:05:41.837712Z"},"content_sha256":"adc64946f24f9c8e93e5810e1da0cd73882c22ea4a3ffc16689603cc8de3c4ad","schema_version":"1.0","event_id":"sha256:adc64946f24f9c8e93e5810e1da0cd73882c22ea4a3ffc16689603cc8de3c4ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MGMMYCVDF7HKQ6UJY4C3R2BEOJ/bundle.json","state_url":"https://pith.science/pith/MGMMYCVDF7HKQ6UJY4C3R2BEOJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MGMMYCVDF7HKQ6UJY4C3R2BEOJ/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":"2026-05-25T21:05:41Z","links":{"resolver":"https://pith.science/pith/MGMMYCVDF7HKQ6UJY4C3R2BEOJ","bundle":"https://pith.science/pith/MGMMYCVDF7HKQ6UJY4C3R2BEOJ/bundle.json","state":"https://pith.science/pith/MGMMYCVDF7HKQ6UJY4C3R2BEOJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MGMMYCVDF7HKQ6UJY4C3R2BEOJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MGMMYCVDF7HKQ6UJY4C3R2BEOJ","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":"045119cdb4c5dec681b8d30726e6e79a49634012c9e252f893a8c9cc698f7fff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-23T01:39:08Z","title_canon_sha256":"fe261a931b60825cd131085e49fd62e7d765bc1667f448af8240c979ecdf523f"},"schema_version":"1.0","source":{"id":"1901.07683","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.07683","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"arxiv_version","alias_value":"1901.07683v1","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07683","created_at":"2026-05-17T23:55:41Z"},{"alias_kind":"pith_short_12","alias_value":"MGMMYCVDF7HK","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"MGMMYCVDF7HKQ6UJ","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"MGMMYCVD","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:adc64946f24f9c8e93e5810e1da0cd73882c22ea4a3ffc16689603cc8de3c4ad","target":"graph","created_at":"2026-05-17T23:55:41Z","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":"Existing method generates class activation map (CAM) by a set of fixed classes (i.e., using all the classes), while the discriminative cues between class pairs are not considered. Note that activation maps by considering different class pair are complementary, and therefore can provide more discriminative cues to overcome the shortcoming of the existing CAM generation that the highlighted regions are usually local part regions rather than global object regions due to the lack of object cues. In this paper, we generate CAM by using a few of representative classes, with aim of extracting more di","authors_text":"Fanman Meng, Hongliang Li, Kaixu Huang, Qingbo Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-23T01:39:08Z","title":"Class Activation Map Generation by Representative Class Selection and Multi-Layer Feature Fusion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07683","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:b3be0e2d2da9d75a21b8eb2a968dd087073a383aa70d26e54a3ef35247f90407","target":"record","created_at":"2026-05-17T23:55:41Z","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":"045119cdb4c5dec681b8d30726e6e79a49634012c9e252f893a8c9cc698f7fff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-01-23T01:39:08Z","title_canon_sha256":"fe261a931b60825cd131085e49fd62e7d765bc1667f448af8240c979ecdf523f"},"schema_version":"1.0","source":{"id":"1901.07683","kind":"arxiv","version":1}},"canonical_sha256":"6198cc0aa32fcea87a89c705b8e824725db42653c8549a769b51cb436e856de1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6198cc0aa32fcea87a89c705b8e824725db42653c8549a769b51cb436e856de1","first_computed_at":"2026-05-17T23:55:41.837783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:41.837783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k6LGj3/nc8s+EvyZF1JRQuvFpKc8o4S4/zP0RUGaHU2sN6YXkJCSsbycyp9PM65Ge3/M/PKYyYiGoTNZ0gHoAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:41.838339Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.07683","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3be0e2d2da9d75a21b8eb2a968dd087073a383aa70d26e54a3ef35247f90407","sha256:adc64946f24f9c8e93e5810e1da0cd73882c22ea4a3ffc16689603cc8de3c4ad"],"state_sha256":"a9dd012934a6d7c35f815526075d620ff0b5da5ac90a08d16e9d2b7da911743d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OfLrAA//TVrnZ41ffcW2kBbigLzrTxvHFnbDBWVOA+TNZ+SGI+FPbI5Uu11IhzQRKkLwJW5QxNVmscLp8W/xAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:05:41.840700Z","bundle_sha256":"9e31b77b8c6e1bd813d3db3f83e0ff8255ca82558d16fa2ef6b1b4c2d971810f"}}