{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:K4KXG6LIXR3ZCU6IUUZMIDPX2A","short_pith_number":"pith:K4KXG6LI","canonical_record":{"source":{"id":"1712.00358","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-01T15:20:51Z","cross_cats_sorted":[],"title_canon_sha256":"21ad9b8c5be42fceb48df81639e17f0013f3345981a229a0169fae6b1f59b888","abstract_canon_sha256":"16077abce65558771d5ace74b7eccbb73cf6abafa618e711291fca137013a3ff"},"schema_version":"1.0"},"canonical_sha256":"5715737968bc779153c8a532c40df7d013295581ae796a966e6c0d177d7eae59","source":{"kind":"arxiv","id":"1712.00358","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.00358","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"arxiv_version","alias_value":"1712.00358v1","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00358","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"pith_short_12","alias_value":"K4KXG6LIXR3Z","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"K4KXG6LIXR3ZCU6I","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"K4KXG6LI","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:K4KXG6LIXR3ZCU6IUUZMIDPX2A","target":"record","payload":{"canonical_record":{"source":{"id":"1712.00358","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-01T15:20:51Z","cross_cats_sorted":[],"title_canon_sha256":"21ad9b8c5be42fceb48df81639e17f0013f3345981a229a0169fae6b1f59b888","abstract_canon_sha256":"16077abce65558771d5ace74b7eccbb73cf6abafa618e711291fca137013a3ff"},"schema_version":"1.0"},"canonical_sha256":"5715737968bc779153c8a532c40df7d013295581ae796a966e6c0d177d7eae59","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:06.443280Z","signature_b64":"YJvTeVrf6lRctlTp+EnSqDnZUw36/EgE3mjv2Sn5t6dtvz5hRKFG/0BjMhNzCUteEmFycTRSib0kNv4HosWcDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5715737968bc779153c8a532c40df7d013295581ae796a966e6c0d177d7eae59","last_reissued_at":"2026-05-18T00:29:06.442634Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:06.442634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.00358","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":"2026-05-18T00:29:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m12sCxwsQqv9QLiLWqVqTnrHpfrKgm3Y/1pW7KBJ4jKUgKlzwOPLG07Ipj36KjqV9JAwFfASCDq6lB+GohmyAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:17:08.020295Z"},"content_sha256":"0fd15949924f9afc234faf8646601c97960bbea201f303379bcbe2defb5edc3e","schema_version":"1.0","event_id":"sha256:0fd15949924f9afc234faf8646601c97960bbea201f303379bcbe2defb5edc3e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:K4KXG6LIXR3ZCU6IUUZMIDPX2A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unsupervised Generative Adversarial Cross-modal Hashing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Jian Zhang, Mingkuan Yuan, Yuxin Peng","submitted_at":"2017-12-01T15:20:51Z","abstract_excerpt":"Cross-modal hashing aims to map heterogeneous multimedia data into a common Hamming space, which can realize fast and flexible retrieval across different modalities. Unsupervised cross-modal hashing is more flexible and applicable than supervised methods, since no intensive labeling work is involved. However, existing unsupervised methods learn hashing functions by preserving inter and intra correlations, while ignoring the underlying manifold structure across different modalities, which is extremely helpful to capture meaningful nearest neighbors of different modalities for cross-modal retrie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00358","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":"2026-05-18T00:29:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6JepLN8PpQvCiF6hJLIEaLE30q/uyOOSCSXX++SYKk9s0TwflkUFvBpqFCSg3zD+I6i4z22SAhGn6Y0tb9jxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:17:08.020918Z"},"content_sha256":"3677c078070fdcd0c19f310fe0e19138f026acab956102b0115008d87f9b3306","schema_version":"1.0","event_id":"sha256:3677c078070fdcd0c19f310fe0e19138f026acab956102b0115008d87f9b3306"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K4KXG6LIXR3ZCU6IUUZMIDPX2A/bundle.json","state_url":"https://pith.science/pith/K4KXG6LIXR3ZCU6IUUZMIDPX2A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K4KXG6LIXR3ZCU6IUUZMIDPX2A/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":"2026-05-30T18:17:08Z","links":{"resolver":"https://pith.science/pith/K4KXG6LIXR3ZCU6IUUZMIDPX2A","bundle":"https://pith.science/pith/K4KXG6LIXR3ZCU6IUUZMIDPX2A/bundle.json","state":"https://pith.science/pith/K4KXG6LIXR3ZCU6IUUZMIDPX2A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K4KXG6LIXR3ZCU6IUUZMIDPX2A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:K4KXG6LIXR3ZCU6IUUZMIDPX2A","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":"16077abce65558771d5ace74b7eccbb73cf6abafa618e711291fca137013a3ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-01T15:20:51Z","title_canon_sha256":"21ad9b8c5be42fceb48df81639e17f0013f3345981a229a0169fae6b1f59b888"},"schema_version":"1.0","source":{"id":"1712.00358","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.00358","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"arxiv_version","alias_value":"1712.00358v1","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00358","created_at":"2026-05-18T00:29:06Z"},{"alias_kind":"pith_short_12","alias_value":"K4KXG6LIXR3Z","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"K4KXG6LIXR3ZCU6I","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"K4KXG6LI","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:3677c078070fdcd0c19f310fe0e19138f026acab956102b0115008d87f9b3306","target":"graph","created_at":"2026-05-18T00:29:06Z","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":"Cross-modal hashing aims to map heterogeneous multimedia data into a common Hamming space, which can realize fast and flexible retrieval across different modalities. Unsupervised cross-modal hashing is more flexible and applicable than supervised methods, since no intensive labeling work is involved. However, existing unsupervised methods learn hashing functions by preserving inter and intra correlations, while ignoring the underlying manifold structure across different modalities, which is extremely helpful to capture meaningful nearest neighbors of different modalities for cross-modal retrie","authors_text":"Jian Zhang, Mingkuan Yuan, Yuxin Peng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-01T15:20:51Z","title":"Unsupervised Generative Adversarial Cross-modal Hashing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00358","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":"sha256:0fd15949924f9afc234faf8646601c97960bbea201f303379bcbe2defb5edc3e","target":"record","created_at":"2026-05-18T00:29:06Z","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":"16077abce65558771d5ace74b7eccbb73cf6abafa618e711291fca137013a3ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2017-12-01T15:20:51Z","title_canon_sha256":"21ad9b8c5be42fceb48df81639e17f0013f3345981a229a0169fae6b1f59b888"},"schema_version":"1.0","source":{"id":"1712.00358","kind":"arxiv","version":1}},"canonical_sha256":"5715737968bc779153c8a532c40df7d013295581ae796a966e6c0d177d7eae59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5715737968bc779153c8a532c40df7d013295581ae796a966e6c0d177d7eae59","first_computed_at":"2026-05-18T00:29:06.442634Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:06.442634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YJvTeVrf6lRctlTp+EnSqDnZUw36/EgE3mjv2Sn5t6dtvz5hRKFG/0BjMhNzCUteEmFycTRSib0kNv4HosWcDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:06.443280Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.00358","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0fd15949924f9afc234faf8646601c97960bbea201f303379bcbe2defb5edc3e","sha256:3677c078070fdcd0c19f310fe0e19138f026acab956102b0115008d87f9b3306"],"state_sha256":"3a856673b8fccfc5860a7a4e2e08ebfd4d8768e05908eefa785fbf60a13c503b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x/LRbATs/ojy8CytR1akAd6Tv+LxYQNoZS3lGz3pRYNX6FiBkb/a+CszX6FpAAqGmaXEfGV1Wqm+lBOJTZexBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T18:17:08.023671Z","bundle_sha256":"5dc3bba2e56a268a6af00f9e845b058403e9a6e9a8f2a03f02a2c415030cdb44"}}