{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:LGYEOVMVTI7T4FTY6PUF4TICZV","short_pith_number":"pith:LGYEOVMV","canonical_record":{"source":{"id":"1903.02174","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-03-06T04:58:43Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"024aa5f029a4b6c743cf4c1b566a0ed958109c44a949fc4601704e3f885cdbb8","abstract_canon_sha256":"64b14711006adba5db11f86d9089f7d69b2781eb218ac9e7f70a12cf51470190"},"schema_version":"1.0"},"canonical_sha256":"59b04755959a3f3e1678f3e85e4d02cd504e091233554ad24430b466a6ab00b1","source":{"kind":"arxiv","id":"1903.02174","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02174","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02174v1","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02174","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"pith_short_12","alias_value":"LGYEOVMVTI7T","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LGYEOVMVTI7T4FTY","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LGYEOVMV","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:LGYEOVMVTI7T4FTY6PUF4TICZV","target":"record","payload":{"canonical_record":{"source":{"id":"1903.02174","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-03-06T04:58:43Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"024aa5f029a4b6c743cf4c1b566a0ed958109c44a949fc4601704e3f885cdbb8","abstract_canon_sha256":"64b14711006adba5db11f86d9089f7d69b2781eb218ac9e7f70a12cf51470190"},"schema_version":"1.0"},"canonical_sha256":"59b04755959a3f3e1678f3e85e4d02cd504e091233554ad24430b466a6ab00b1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:56.561856Z","signature_b64":"D8VbkxsCMVdD8YbnNK433VtGCOqvQCmEPW0zhUKLL/uyICKFoTC1JJENPJB+4ty/6Gjo+Ftv9kGkOMDhrxgiCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59b04755959a3f3e1678f3e85e4d02cd504e091233554ad24430b466a6ab00b1","last_reissued_at":"2026-05-17T23:51:56.561454Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:56.561454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.02174","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":"2026-05-17T23:51:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lQCmWV0PDSPBsfjVfH5FwIzlgt+ATlcuApXfBg9vJt98mkWbX9UVXizaOpVhXciySN6UMtQ0wJnh2w6V0IWiAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:35:23.259916Z"},"content_sha256":"a5b82e6d407f0da477d55c69de8b3978b2efad489c64b2e57f71dac8f5eea59b","schema_version":"1.0","event_id":"sha256:a5b82e6d407f0da477d55c69de8b3978b2efad489c64b2e57f71dac8f5eea59b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:LGYEOVMVTI7T4FTY6PUF4TICZV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graph Neural Networks for User Identity Linkage","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.SI","authors_text":"Huan Liu, Kai Shu, Wen Zhang, Yalin Wang","submitted_at":"2019-03-06T04:58:43Z","abstract_excerpt":"The increasing popularity and diversity of social media sites has encouraged more and more people to participate in multiple online social networks to enjoy their services. Each user may create a user identity to represent his or her unique public figure in every social network. User identity linkage across online social networks is an emerging task and has attracted increasing attention, which could potentially impact various domains such as recommendations and link predictions. The majority of existing work focuses on mining network proximity or user profile data for discovering user identit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02174","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":"2026-05-17T23:51:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qVwBiLklZftC7N+MQoAJRqyzCrK0qzjU93mmxxTmCGnXNuRPd/ZlThMWP6Ft2gkV51XXMRlJ6Yg0kKcUzV+4DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:35:23.260267Z"},"content_sha256":"38d74713c2c86d7e942e1001c754b2b6caae438009d60c666ff32924d26a04a2","schema_version":"1.0","event_id":"sha256:38d74713c2c86d7e942e1001c754b2b6caae438009d60c666ff32924d26a04a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LGYEOVMVTI7T4FTY6PUF4TICZV/bundle.json","state_url":"https://pith.science/pith/LGYEOVMVTI7T4FTY6PUF4TICZV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LGYEOVMVTI7T4FTY6PUF4TICZV/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":"2026-05-30T06:35:23Z","links":{"resolver":"https://pith.science/pith/LGYEOVMVTI7T4FTY6PUF4TICZV","bundle":"https://pith.science/pith/LGYEOVMVTI7T4FTY6PUF4TICZV/bundle.json","state":"https://pith.science/pith/LGYEOVMVTI7T4FTY6PUF4TICZV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LGYEOVMVTI7T4FTY6PUF4TICZV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:LGYEOVMVTI7T4FTY6PUF4TICZV","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":"64b14711006adba5db11f86d9089f7d69b2781eb218ac9e7f70a12cf51470190","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-03-06T04:58:43Z","title_canon_sha256":"024aa5f029a4b6c743cf4c1b566a0ed958109c44a949fc4601704e3f885cdbb8"},"schema_version":"1.0","source":{"id":"1903.02174","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02174","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02174v1","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02174","created_at":"2026-05-17T23:51:56Z"},{"alias_kind":"pith_short_12","alias_value":"LGYEOVMVTI7T","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LGYEOVMVTI7T4FTY","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LGYEOVMV","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:38d74713c2c86d7e942e1001c754b2b6caae438009d60c666ff32924d26a04a2","target":"graph","created_at":"2026-05-17T23:51:56Z","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":"The increasing popularity and diversity of social media sites has encouraged more and more people to participate in multiple online social networks to enjoy their services. Each user may create a user identity to represent his or her unique public figure in every social network. User identity linkage across online social networks is an emerging task and has attracted increasing attention, which could potentially impact various domains such as recommendations and link predictions. The majority of existing work focuses on mining network proximity or user profile data for discovering user identit","authors_text":"Huan Liu, Kai Shu, Wen Zhang, Yalin Wang","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-03-06T04:58:43Z","title":"Graph Neural Networks for User Identity Linkage"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02174","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:a5b82e6d407f0da477d55c69de8b3978b2efad489c64b2e57f71dac8f5eea59b","target":"record","created_at":"2026-05-17T23:51:56Z","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":"64b14711006adba5db11f86d9089f7d69b2781eb218ac9e7f70a12cf51470190","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2019-03-06T04:58:43Z","title_canon_sha256":"024aa5f029a4b6c743cf4c1b566a0ed958109c44a949fc4601704e3f885cdbb8"},"schema_version":"1.0","source":{"id":"1903.02174","kind":"arxiv","version":1}},"canonical_sha256":"59b04755959a3f3e1678f3e85e4d02cd504e091233554ad24430b466a6ab00b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"59b04755959a3f3e1678f3e85e4d02cd504e091233554ad24430b466a6ab00b1","first_computed_at":"2026-05-17T23:51:56.561454Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:56.561454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D8VbkxsCMVdD8YbnNK433VtGCOqvQCmEPW0zhUKLL/uyICKFoTC1JJENPJB+4ty/6Gjo+Ftv9kGkOMDhrxgiCg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:56.561856Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.02174","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5b82e6d407f0da477d55c69de8b3978b2efad489c64b2e57f71dac8f5eea59b","sha256:38d74713c2c86d7e942e1001c754b2b6caae438009d60c666ff32924d26a04a2"],"state_sha256":"e3b971ce161c90711451acc9e1e4357eb0f00ab4f18ddb3505ae96804c2ff17a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G1dXjO/muA4+LmVM0u0i1dwGV3gTQEaK2OdggsyIyswJcgU6A6fM16Igzil26xAAK/9hb4KT+xLjdowXEvZBAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:35:23.262454Z","bundle_sha256":"544f66964c4ddcfe33ced8d81fde6dca3018e79eab36bfc590b8cf8771628c8e"}}