{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:7YKF33T2NLLJIIOBVTPY5FXUVZ","short_pith_number":"pith:7YKF33T2","canonical_record":{"source":{"id":"1510.05318","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-10-18T22:16:38Z","cross_cats_sorted":["cs.LG","physics.data-an","physics.soc-ph"],"title_canon_sha256":"4eb8c3bfd5fd5fbfa522d2252e2bb590b2dad83fff74a94891394f89844f0bd4","abstract_canon_sha256":"e5c50258e9f4cabdd623bf0ea8606b709dcae5c42377b4cbe7263dfef616e935"},"schema_version":"1.0"},"canonical_sha256":"fe145dee7a6ad69421c1acdf8e96f4ae744e465fac0a55a848c1f2efd3a13963","source":{"kind":"arxiv","id":"1510.05318","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05318","created_at":"2026-05-18T00:49:34Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05318v1","created_at":"2026-05-18T00:49:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05318","created_at":"2026-05-18T00:49:34Z"},{"alias_kind":"pith_short_12","alias_value":"7YKF33T2NLLJ","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7YKF33T2NLLJIIOB","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7YKF33T2","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:7YKF33T2NLLJIIOBVTPY5FXUVZ","target":"record","payload":{"canonical_record":{"source":{"id":"1510.05318","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-10-18T22:16:38Z","cross_cats_sorted":["cs.LG","physics.data-an","physics.soc-ph"],"title_canon_sha256":"4eb8c3bfd5fd5fbfa522d2252e2bb590b2dad83fff74a94891394f89844f0bd4","abstract_canon_sha256":"e5c50258e9f4cabdd623bf0ea8606b709dcae5c42377b4cbe7263dfef616e935"},"schema_version":"1.0"},"canonical_sha256":"fe145dee7a6ad69421c1acdf8e96f4ae744e465fac0a55a848c1f2efd3a13963","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:34.840461Z","signature_b64":"RBqGPR+cRWTlGwGsVuuaDSCdXYqkhBh5RkHWqLHcSjPeomcaDumFTS3Z/5lBEJjU15A4JV/gm2C+1n8OI8K0AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe145dee7a6ad69421c1acdf8e96f4ae744e465fac0a55a848c1f2efd3a13963","last_reissued_at":"2026-05-18T00:49:34.840058Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:34.840058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.05318","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":"2026-05-18T00:49:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"czju+GyiMfMsy1+Nbn4qDSviNstuR+osG1xzYbpvF3RqI4fOX2fCEbb0SYyjkenbuUQP3vmFNN4pDRHdB40eAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T16:35:26.991410Z"},"content_sha256":"ee4f135460ca62ea08c0e0384b9eef378e228e2634c89cb8015d19a18ab30338","schema_version":"1.0","event_id":"sha256:ee4f135460ca62ea08c0e0384b9eef378e228e2634c89cb8015d19a18ab30338"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:7YKF33T2NLLJIIOBVTPY5FXUVZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Latent Space Model for Multi-Modal Social Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","physics.data-an","physics.soc-ph"],"primary_cat":"cs.SI","authors_text":"Aram Galstyan, Emilio Ferrara, Greg Ver Steeg, Yoon-Sik Cho","submitted_at":"2015-10-18T22:16:38Z","abstract_excerpt":"With the emergence of social networking services, researchers enjoy the increasing availability of large-scale heterogenous datasets capturing online user interactions and behaviors. Traditional analysis of techno-social systems data has focused mainly on describing either the dynamics of social interactions, or the attributes and behaviors of the users. However, overwhelming empirical evidence suggests that the two dimensions affect one another, and therefore they should be jointly modeled and analyzed in a multi-modal framework. The benefits of such an approach include the ability to build b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05318","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":"2026-05-18T00:49:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aR+TKeaF/wBSa6SjHMxMLCWUcMyPvvNTMHs4jXjjMseNgE5bWlDaeyrCq0TUUEx/FNq70cnoY9HR95uhDCoACw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T16:35:26.991784Z"},"content_sha256":"1fac8c4cc928927a556aef4d58e2bcfba10455033cc372e2931b92d526584f3d","schema_version":"1.0","event_id":"sha256:1fac8c4cc928927a556aef4d58e2bcfba10455033cc372e2931b92d526584f3d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7YKF33T2NLLJIIOBVTPY5FXUVZ/bundle.json","state_url":"https://pith.science/pith/7YKF33T2NLLJIIOBVTPY5FXUVZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7YKF33T2NLLJIIOBVTPY5FXUVZ/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":"2026-06-03T16:35:26Z","links":{"resolver":"https://pith.science/pith/7YKF33T2NLLJIIOBVTPY5FXUVZ","bundle":"https://pith.science/pith/7YKF33T2NLLJIIOBVTPY5FXUVZ/bundle.json","state":"https://pith.science/pith/7YKF33T2NLLJIIOBVTPY5FXUVZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7YKF33T2NLLJIIOBVTPY5FXUVZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7YKF33T2NLLJIIOBVTPY5FXUVZ","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":"e5c50258e9f4cabdd623bf0ea8606b709dcae5c42377b4cbe7263dfef616e935","cross_cats_sorted":["cs.LG","physics.data-an","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-10-18T22:16:38Z","title_canon_sha256":"4eb8c3bfd5fd5fbfa522d2252e2bb590b2dad83fff74a94891394f89844f0bd4"},"schema_version":"1.0","source":{"id":"1510.05318","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05318","created_at":"2026-05-18T00:49:34Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05318v1","created_at":"2026-05-18T00:49:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05318","created_at":"2026-05-18T00:49:34Z"},{"alias_kind":"pith_short_12","alias_value":"7YKF33T2NLLJ","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7YKF33T2NLLJIIOB","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7YKF33T2","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:1fac8c4cc928927a556aef4d58e2bcfba10455033cc372e2931b92d526584f3d","target":"graph","created_at":"2026-05-18T00:49:34Z","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":"With the emergence of social networking services, researchers enjoy the increasing availability of large-scale heterogenous datasets capturing online user interactions and behaviors. Traditional analysis of techno-social systems data has focused mainly on describing either the dynamics of social interactions, or the attributes and behaviors of the users. However, overwhelming empirical evidence suggests that the two dimensions affect one another, and therefore they should be jointly modeled and analyzed in a multi-modal framework. The benefits of such an approach include the ability to build b","authors_text":"Aram Galstyan, Emilio Ferrara, Greg Ver Steeg, Yoon-Sik Cho","cross_cats":["cs.LG","physics.data-an","physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-10-18T22:16:38Z","title":"Latent Space Model for Multi-Modal Social Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05318","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:ee4f135460ca62ea08c0e0384b9eef378e228e2634c89cb8015d19a18ab30338","target":"record","created_at":"2026-05-18T00:49:34Z","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":"e5c50258e9f4cabdd623bf0ea8606b709dcae5c42377b4cbe7263dfef616e935","cross_cats_sorted":["cs.LG","physics.data-an","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-10-18T22:16:38Z","title_canon_sha256":"4eb8c3bfd5fd5fbfa522d2252e2bb590b2dad83fff74a94891394f89844f0bd4"},"schema_version":"1.0","source":{"id":"1510.05318","kind":"arxiv","version":1}},"canonical_sha256":"fe145dee7a6ad69421c1acdf8e96f4ae744e465fac0a55a848c1f2efd3a13963","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe145dee7a6ad69421c1acdf8e96f4ae744e465fac0a55a848c1f2efd3a13963","first_computed_at":"2026-05-18T00:49:34.840058Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:49:34.840058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RBqGPR+cRWTlGwGsVuuaDSCdXYqkhBh5RkHWqLHcSjPeomcaDumFTS3Z/5lBEJjU15A4JV/gm2C+1n8OI8K0AA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:49:34.840461Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.05318","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ee4f135460ca62ea08c0e0384b9eef378e228e2634c89cb8015d19a18ab30338","sha256:1fac8c4cc928927a556aef4d58e2bcfba10455033cc372e2931b92d526584f3d"],"state_sha256":"361595d72f0049c3b5dc3d4d3d5937b2b0e8eb87bf44ca2ae0ac1aa00b0a1e6d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ObE1DwjtGENaxCjqg37N1TKQsFz+sWNF2EV/Stt/8aroBbim2cEGtZP5RhvveOlBXZiJnKF3BeFZFIAze8wzDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T16:35:26.993883Z","bundle_sha256":"bb6b7e82571322cc211bdc8e4944c7df0ef9d8c95dec10706a54ef1637285427"}}