{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:G25H2NERX3VMC7G3MQ6SY7XRQV","short_pith_number":"pith:G25H2NER","canonical_record":{"source":{"id":"2002.07417","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-02-18T07:57:45Z","cross_cats_sorted":[],"title_canon_sha256":"16752f52d626f548747facacab3112444543b8dbe97bda32f6f3770e310d7e1b","abstract_canon_sha256":"2916ad7654bea2cc438eb6393c220d88da3cbbd4964adb1f1a09cffc13ba5ace"},"schema_version":"1.0"},"canonical_sha256":"36ba7d3491beeac17cdb643d2c7ef1856ca032110f7fcd7ad91ed06aafacdaed","source":{"kind":"arxiv","id":"2002.07417","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.07417","created_at":"2026-07-05T00:42:01Z"},{"alias_kind":"arxiv_version","alias_value":"2002.07417v1","created_at":"2026-07-05T00:42:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.07417","created_at":"2026-07-05T00:42:01Z"},{"alias_kind":"pith_short_12","alias_value":"G25H2NERX3VM","created_at":"2026-07-05T00:42:01Z"},{"alias_kind":"pith_short_16","alias_value":"G25H2NERX3VMC7G3","created_at":"2026-07-05T00:42:01Z"},{"alias_kind":"pith_short_8","alias_value":"G25H2NER","created_at":"2026-07-05T00:42:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:G25H2NERX3VMC7G3MQ6SY7XRQV","target":"record","payload":{"canonical_record":{"source":{"id":"2002.07417","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-02-18T07:57:45Z","cross_cats_sorted":[],"title_canon_sha256":"16752f52d626f548747facacab3112444543b8dbe97bda32f6f3770e310d7e1b","abstract_canon_sha256":"2916ad7654bea2cc438eb6393c220d88da3cbbd4964adb1f1a09cffc13ba5ace"},"schema_version":"1.0"},"canonical_sha256":"36ba7d3491beeac17cdb643d2c7ef1856ca032110f7fcd7ad91ed06aafacdaed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:42:01.902450Z","signature_b64":"JZfpbH3B7x0oBymsPg9wo17XEB5cQLgxXbGhLnPVLpBdK41+oDowD8I0KepP10VCslSD5u2y3VNZ6OcOc6bmDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36ba7d3491beeac17cdb643d2c7ef1856ca032110f7fcd7ad91ed06aafacdaed","last_reissued_at":"2026-07-05T00:42:01.902043Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:42:01.902043Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.07417","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":"2026-07-05T00:42:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lIyCL25gCMzncFBdprL5ZmqA+g5oh343o3ymRtySWFvUV/L3V/AqQTvDR5Mxnm1PYROLm7fRU92e4eLfbwhoCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:24:41.187597Z"},"content_sha256":"4537c11f265cc09c2bf01fea69bd8f3a43e0e6342e3c386d2f6ff65b29e9a6df","schema_version":"1.0","event_id":"sha256:4537c11f265cc09c2bf01fea69bd8f3a43e0e6342e3c386d2f6ff65b29e9a6df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:G25H2NERX3VMC7G3MQ6SY7XRQV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universal-RCNN: Universal Object Detector via Transferable Graph R-CNN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Hang Xu, Linpu Fang, Wenxiong Kang, Xiaodan Liang, Zhenguo Li","submitted_at":"2020-02-18T07:57:45Z","abstract_excerpt":"The dominant object detection approaches treat each dataset separately and fit towards a specific domain, which cannot adapt to other domains without extensive retraining. In this paper, we address the problem of designing a universal object detection model that exploits diverse category granularity from multiple domains and predict all kinds of categories in one system. Existing works treat this problem by integrating multiple detection branches upon one shared backbone network. However, this paradigm overlooks the crucial semantic correlations between multiple domains, such as categories hie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.07417","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/2002.07417/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":"2026-07-05T00:42:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qQ2N30ahpoEDwA97IQuUkGeuwd6IsxflfjtLof19UYx7GSGaJYuJP9xeFzER7m6ynYr1mTs2e+fnG803g6S5BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T00:24:41.188401Z"},"content_sha256":"c830a0c47b8a2d87b3c7338ce116aeff556adb89fab650b8bf2a95ac6850edfc","schema_version":"1.0","event_id":"sha256:c830a0c47b8a2d87b3c7338ce116aeff556adb89fab650b8bf2a95ac6850edfc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G25H2NERX3VMC7G3MQ6SY7XRQV/bundle.json","state_url":"https://pith.science/pith/G25H2NERX3VMC7G3MQ6SY7XRQV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G25H2NERX3VMC7G3MQ6SY7XRQV/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":"2026-08-07T00:24:41Z","links":{"resolver":"https://pith.science/pith/G25H2NERX3VMC7G3MQ6SY7XRQV","bundle":"https://pith.science/pith/G25H2NERX3VMC7G3MQ6SY7XRQV/bundle.json","state":"https://pith.science/pith/G25H2NERX3VMC7G3MQ6SY7XRQV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G25H2NERX3VMC7G3MQ6SY7XRQV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:G25H2NERX3VMC7G3MQ6SY7XRQV","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":"2916ad7654bea2cc438eb6393c220d88da3cbbd4964adb1f1a09cffc13ba5ace","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-02-18T07:57:45Z","title_canon_sha256":"16752f52d626f548747facacab3112444543b8dbe97bda32f6f3770e310d7e1b"},"schema_version":"1.0","source":{"id":"2002.07417","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.07417","created_at":"2026-07-05T00:42:01Z"},{"alias_kind":"arxiv_version","alias_value":"2002.07417v1","created_at":"2026-07-05T00:42:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.07417","created_at":"2026-07-05T00:42:01Z"},{"alias_kind":"pith_short_12","alias_value":"G25H2NERX3VM","created_at":"2026-07-05T00:42:01Z"},{"alias_kind":"pith_short_16","alias_value":"G25H2NERX3VMC7G3","created_at":"2026-07-05T00:42:01Z"},{"alias_kind":"pith_short_8","alias_value":"G25H2NER","created_at":"2026-07-05T00:42:01Z"}],"graph_snapshots":[{"event_id":"sha256:c830a0c47b8a2d87b3c7338ce116aeff556adb89fab650b8bf2a95ac6850edfc","target":"graph","created_at":"2026-07-05T00:42:01Z","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/2002.07417/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The dominant object detection approaches treat each dataset separately and fit towards a specific domain, which cannot adapt to other domains without extensive retraining. In this paper, we address the problem of designing a universal object detection model that exploits diverse category granularity from multiple domains and predict all kinds of categories in one system. Existing works treat this problem by integrating multiple detection branches upon one shared backbone network. However, this paradigm overlooks the crucial semantic correlations between multiple domains, such as categories hie","authors_text":"Hang Xu, Linpu Fang, Wenxiong Kang, Xiaodan Liang, Zhenguo Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-02-18T07:57:45Z","title":"Universal-RCNN: Universal Object Detector via Transferable Graph R-CNN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.07417","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":"sha256:4537c11f265cc09c2bf01fea69bd8f3a43e0e6342e3c386d2f6ff65b29e9a6df","target":"record","created_at":"2026-07-05T00:42:01Z","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":"2916ad7654bea2cc438eb6393c220d88da3cbbd4964adb1f1a09cffc13ba5ace","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-02-18T07:57:45Z","title_canon_sha256":"16752f52d626f548747facacab3112444543b8dbe97bda32f6f3770e310d7e1b"},"schema_version":"1.0","source":{"id":"2002.07417","kind":"arxiv","version":1}},"canonical_sha256":"36ba7d3491beeac17cdb643d2c7ef1856ca032110f7fcd7ad91ed06aafacdaed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"36ba7d3491beeac17cdb643d2c7ef1856ca032110f7fcd7ad91ed06aafacdaed","first_computed_at":"2026-07-05T00:42:01.902043Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:42:01.902043Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JZfpbH3B7x0oBymsPg9wo17XEB5cQLgxXbGhLnPVLpBdK41+oDowD8I0KepP10VCslSD5u2y3VNZ6OcOc6bmDA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:42:01.902450Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.07417","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4537c11f265cc09c2bf01fea69bd8f3a43e0e6342e3c386d2f6ff65b29e9a6df","sha256:c830a0c47b8a2d87b3c7338ce116aeff556adb89fab650b8bf2a95ac6850edfc"],"state_sha256":"93ad61fbf62eb45d0d3e12f68dcfc51bf7d84e65660aea0164cfdaf7f120bfb5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AG1gcqiE//YZ531lQuEMYb9CwXyZbmLrfjPKKo7X1PvHI433t4PkD3a44NoHDcXPlPzNWzRX4hW6z0O/yAV/AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T00:24:41.193713Z","bundle_sha256":"abd68cacd96a088beecd8e103cb9fbf7bef3d9661040d5a93dd5e176e5ae8db0"}}