{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:YPCVJP24NCCFRAWCMH7IGAIHQ2","short_pith_number":"pith:YPCVJP24","canonical_record":{"source":{"id":"2012.13538","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2020-12-25T07:40:59Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"92d74bad34fbe2fbb26a05af1c9bd82a9bed4546af40495b893881adfaf24df1","abstract_canon_sha256":"2a1ab34aaca4871d29826c861dfaa6d76ba49e092c6272b6204afa9bc671456b"},"schema_version":"1.0"},"canonical_sha256":"c3c554bf5c68845882c261fe83010786ba7c2863c3a5587fd1ef34155ebc99f6","source":{"kind":"arxiv","id":"2012.13538","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.13538","created_at":"2026-07-05T02:02:10Z"},{"alias_kind":"arxiv_version","alias_value":"2012.13538v1","created_at":"2026-07-05T02:02:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.13538","created_at":"2026-07-05T02:02:10Z"},{"alias_kind":"pith_short_12","alias_value":"YPCVJP24NCCF","created_at":"2026-07-05T02:02:10Z"},{"alias_kind":"pith_short_16","alias_value":"YPCVJP24NCCFRAWC","created_at":"2026-07-05T02:02:10Z"},{"alias_kind":"pith_short_8","alias_value":"YPCVJP24","created_at":"2026-07-05T02:02:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:YPCVJP24NCCFRAWCMH7IGAIHQ2","target":"record","payload":{"canonical_record":{"source":{"id":"2012.13538","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2020-12-25T07:40:59Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"92d74bad34fbe2fbb26a05af1c9bd82a9bed4546af40495b893881adfaf24df1","abstract_canon_sha256":"2a1ab34aaca4871d29826c861dfaa6d76ba49e092c6272b6204afa9bc671456b"},"schema_version":"1.0"},"canonical_sha256":"c3c554bf5c68845882c261fe83010786ba7c2863c3a5587fd1ef34155ebc99f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:02:10.562834Z","signature_b64":"bYC/Qzw9idmFio11icEtBCj5HkfyWFJ0VTR3s17Lnj4RvcwcN5MxZb4cK2nG5zMUEfbo8Kho4jTBBievUorsBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c3c554bf5c68845882c261fe83010786ba7c2863c3a5587fd1ef34155ebc99f6","last_reissued_at":"2026-07-05T02:02:10.562508Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:02:10.562508Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.13538","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":"2026-07-05T02:02:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lh9si/n0BMsOqh8BInJ2+NhBjf5AmYTCc0XSVkLC0471RCFwoZTfDtSzMILi4g8OteMM6aX+EMFBKW6xF1eLCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T00:15:27.748342Z"},"content_sha256":"af04beb611138e54c98d6e54f1d98678dc9a8d6b7d5772cbf0a7a57ec708b986","schema_version":"1.0","event_id":"sha256:af04beb611138e54c98d6e54f1d98678dc9a8d6b7d5772cbf0a7a57ec708b986"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:YPCVJP24NCCFRAWCMH7IGAIHQ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comprehensive Graph-conditional Similarity Preserving Network for Unsupervised Cross-modal Hashing","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"cs.IR","authors_text":"Dacheng Tao, Hao Zhou, Jun Yu, Yibing Zhan","submitted_at":"2020-12-25T07:40:59Z","abstract_excerpt":"Unsupervised cross-modal hashing (UCMH) has become a hot topic recently. Current UCMH focuses on exploring data similarities. However, current UCMH methods calculate the similarity between two data, mainly relying on the two data's cross-modal features. These methods suffer from inaccurate similarity problems that result in a suboptimal retrieval Hamming space, because the cross-modal features between the data are not sufficient to describe the complex data relationships, such as situations where two data have different feature representations but share the inherent concepts. In this paper, we"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.13538","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2012.13538/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":"2026-07-05T02:02:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fgEMFfz+MTVBNlXpnUA9OZu5lDfRBg/DKmYPilhYvsuz6GtKOfD5JYgzEjN60mj/UZWDTOaLSfdL9alvOQK/DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T00:15:27.748722Z"},"content_sha256":"afce894cb95f8c867b775672e90551b041c0afe565e22d1bc50bf74af3f37677","schema_version":"1.0","event_id":"sha256:afce894cb95f8c867b775672e90551b041c0afe565e22d1bc50bf74af3f37677"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YPCVJP24NCCFRAWCMH7IGAIHQ2/bundle.json","state_url":"https://pith.science/pith/YPCVJP24NCCFRAWCMH7IGAIHQ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YPCVJP24NCCFRAWCMH7IGAIHQ2/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":"2026-07-09T00:15:27Z","links":{"resolver":"https://pith.science/pith/YPCVJP24NCCFRAWCMH7IGAIHQ2","bundle":"https://pith.science/pith/YPCVJP24NCCFRAWCMH7IGAIHQ2/bundle.json","state":"https://pith.science/pith/YPCVJP24NCCFRAWCMH7IGAIHQ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YPCVJP24NCCFRAWCMH7IGAIHQ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:YPCVJP24NCCFRAWCMH7IGAIHQ2","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":"2a1ab34aaca4871d29826c861dfaa6d76ba49e092c6272b6204afa9bc671456b","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2020-12-25T07:40:59Z","title_canon_sha256":"92d74bad34fbe2fbb26a05af1c9bd82a9bed4546af40495b893881adfaf24df1"},"schema_version":"1.0","source":{"id":"2012.13538","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.13538","created_at":"2026-07-05T02:02:10Z"},{"alias_kind":"arxiv_version","alias_value":"2012.13538v1","created_at":"2026-07-05T02:02:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.13538","created_at":"2026-07-05T02:02:10Z"},{"alias_kind":"pith_short_12","alias_value":"YPCVJP24NCCF","created_at":"2026-07-05T02:02:10Z"},{"alias_kind":"pith_short_16","alias_value":"YPCVJP24NCCFRAWC","created_at":"2026-07-05T02:02:10Z"},{"alias_kind":"pith_short_8","alias_value":"YPCVJP24","created_at":"2026-07-05T02:02:10Z"}],"graph_snapshots":[{"event_id":"sha256:afce894cb95f8c867b775672e90551b041c0afe565e22d1bc50bf74af3f37677","target":"graph","created_at":"2026-07-05T02:02:10Z","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/2012.13538/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Unsupervised cross-modal hashing (UCMH) has become a hot topic recently. Current UCMH focuses on exploring data similarities. However, current UCMH methods calculate the similarity between two data, mainly relying on the two data's cross-modal features. These methods suffer from inaccurate similarity problems that result in a suboptimal retrieval Hamming space, because the cross-modal features between the data are not sufficient to describe the complex data relationships, such as situations where two data have different feature representations but share the inherent concepts. In this paper, we","authors_text":"Dacheng Tao, Hao Zhou, Jun Yu, Yibing Zhan","cross_cats":["cs.CV"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2020-12-25T07:40:59Z","title":"Comprehensive Graph-conditional Similarity Preserving Network for Unsupervised Cross-modal Hashing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.13538","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:af04beb611138e54c98d6e54f1d98678dc9a8d6b7d5772cbf0a7a57ec708b986","target":"record","created_at":"2026-07-05T02:02:10Z","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":"2a1ab34aaca4871d29826c861dfaa6d76ba49e092c6272b6204afa9bc671456b","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2020-12-25T07:40:59Z","title_canon_sha256":"92d74bad34fbe2fbb26a05af1c9bd82a9bed4546af40495b893881adfaf24df1"},"schema_version":"1.0","source":{"id":"2012.13538","kind":"arxiv","version":1}},"canonical_sha256":"c3c554bf5c68845882c261fe83010786ba7c2863c3a5587fd1ef34155ebc99f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c3c554bf5c68845882c261fe83010786ba7c2863c3a5587fd1ef34155ebc99f6","first_computed_at":"2026-07-05T02:02:10.562508Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:02:10.562508Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bYC/Qzw9idmFio11icEtBCj5HkfyWFJ0VTR3s17Lnj4RvcwcN5MxZb4cK2nG5zMUEfbo8Kho4jTBBievUorsBA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:02:10.562834Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.13538","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af04beb611138e54c98d6e54f1d98678dc9a8d6b7d5772cbf0a7a57ec708b986","sha256:afce894cb95f8c867b775672e90551b041c0afe565e22d1bc50bf74af3f37677"],"state_sha256":"ec9880e8c497075d7b88faf3d328eee4a5f0b863a8c557e0cde9b5c25e582be8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QJPj3Cll/7DeEgSJBA2ySLA9Clv55VzJ5Ym0dbXEQrXGYaXImCPbzRpOWEMumPq0lQknOEGeMP8CRLlXdeNYDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T00:15:27.750879Z","bundle_sha256":"0d52bd0387430ffc6db5659498ba66ca17d5bd55315990c0082d1e1bca878a08"}}