{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:VXEOF5QBUXRCOEU45PTFQQP4XX","short_pith_number":"pith:VXEOF5QB","canonical_record":{"source":{"id":"2504.19489","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2025-04-28T05:08:29Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"2ab54945d8f681de17d613e88bfa41f2743d3861b4875ea60ee870b31622403e","abstract_canon_sha256":"167145857cdb19b959efc611f5f8fa2014f07a7450a0dbe9038a69c8717d7847"},"schema_version":"1.0"},"canonical_sha256":"adc8e2f601a5e227129cebe65841fcbdff45d41603f6a6b4a1da623d92f5231e","source":{"kind":"arxiv","id":"2504.19489","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.19489","created_at":"2026-07-05T10:56:39Z"},{"alias_kind":"arxiv_version","alias_value":"2504.19489v4","created_at":"2026-07-05T10:56:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.19489","created_at":"2026-07-05T10:56:39Z"},{"alias_kind":"pith_short_12","alias_value":"VXEOF5QBUXRC","created_at":"2026-07-05T10:56:39Z"},{"alias_kind":"pith_short_16","alias_value":"VXEOF5QBUXRCOEU4","created_at":"2026-07-05T10:56:39Z"},{"alias_kind":"pith_short_8","alias_value":"VXEOF5QB","created_at":"2026-07-05T10:56:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:VXEOF5QBUXRCOEU45PTFQQP4XX","target":"record","payload":{"canonical_record":{"source":{"id":"2504.19489","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2025-04-28T05:08:29Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"2ab54945d8f681de17d613e88bfa41f2743d3861b4875ea60ee870b31622403e","abstract_canon_sha256":"167145857cdb19b959efc611f5f8fa2014f07a7450a0dbe9038a69c8717d7847"},"schema_version":"1.0"},"canonical_sha256":"adc8e2f601a5e227129cebe65841fcbdff45d41603f6a6b4a1da623d92f5231e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:56:39.732581Z","signature_b64":"loju+dHGfIOM0kPRs4fVAChiUBhFavg8h2B/X4juVHxdTKdHj5sArxBVMlOvLpFJSzz5rGWFEw42l/qKK72qAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"adc8e2f601a5e227129cebe65841fcbdff45d41603f6a6b4a1da623d92f5231e","last_reissued_at":"2026-07-05T10:56:39.732118Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:56:39.732118Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.19489","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:56:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"owDuGKevPzrds26+fKkHX21iLErOSMI+wmed76C5xizZ49kWpfegaegk0FYgTAG0NEfe2Y2g9Ggrurk2SWgaDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:51:53.230247Z"},"content_sha256":"adc38c1054931f3687406b51e531304c24a963aeba60fdc09e7518ebfaca5abe","schema_version":"1.0","event_id":"sha256:adc38c1054931f3687406b51e531304c24a963aeba60fdc09e7518ebfaca5abe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:VXEOF5QBUXRCOEU45PTFQQP4XX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How Cohesive Are Community Search Results on Online Social Networks?: An Experimental Evaluation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.IR","authors_text":"Nastassja L. Fischer, SH Annabel Chen, Sourav S Bhowmick, Yining Zhao","submitted_at":"2025-04-28T05:08:29Z","abstract_excerpt":"Recently, numerous community search methods for large graphs have been proposed, at the core of which is defining and measuring cohesion. This paper experimentally evaluates the effectiveness of these community search algorithms w.r.t. cohesiveness in the context of online social networks. Social communities are formed and developed under the influence of group cohesion theory, which has been extensively studied in social psychology. However, current generic methods typically measure cohesiveness using structural or attribute-based approaches and overlook domain-specific concepts such as group"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.19489","kind":"arxiv","version":4},"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/2504.19489/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":"2026-07-05T10:56:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Al1BTkGZmwqCF7oguwmHWp1YzsNYaP25/+dZmsJiNY54lYlRzM9gnY5jWGMD4bwIT1PwKwSBQjMD+mA1jxTHAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:51:53.230754Z"},"content_sha256":"2f0b6e93fc732e3f416e6d37f8c78bc2cc5aa654f65e0ea256ed4fc4fc353ee2","schema_version":"1.0","event_id":"sha256:2f0b6e93fc732e3f416e6d37f8c78bc2cc5aa654f65e0ea256ed4fc4fc353ee2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VXEOF5QBUXRCOEU45PTFQQP4XX/bundle.json","state_url":"https://pith.science/pith/VXEOF5QBUXRCOEU45PTFQQP4XX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VXEOF5QBUXRCOEU45PTFQQP4XX/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":"2026-08-17T03:51:53Z","links":{"resolver":"https://pith.science/pith/VXEOF5QBUXRCOEU45PTFQQP4XX","bundle":"https://pith.science/pith/VXEOF5QBUXRCOEU45PTFQQP4XX/bundle.json","state":"https://pith.science/pith/VXEOF5QBUXRCOEU45PTFQQP4XX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VXEOF5QBUXRCOEU45PTFQQP4XX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:VXEOF5QBUXRCOEU45PTFQQP4XX","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":"167145857cdb19b959efc611f5f8fa2014f07a7450a0dbe9038a69c8717d7847","cross_cats_sorted":["cs.SI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2025-04-28T05:08:29Z","title_canon_sha256":"2ab54945d8f681de17d613e88bfa41f2743d3861b4875ea60ee870b31622403e"},"schema_version":"1.0","source":{"id":"2504.19489","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.19489","created_at":"2026-07-05T10:56:39Z"},{"alias_kind":"arxiv_version","alias_value":"2504.19489v4","created_at":"2026-07-05T10:56:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.19489","created_at":"2026-07-05T10:56:39Z"},{"alias_kind":"pith_short_12","alias_value":"VXEOF5QBUXRC","created_at":"2026-07-05T10:56:39Z"},{"alias_kind":"pith_short_16","alias_value":"VXEOF5QBUXRCOEU4","created_at":"2026-07-05T10:56:39Z"},{"alias_kind":"pith_short_8","alias_value":"VXEOF5QB","created_at":"2026-07-05T10:56:39Z"}],"graph_snapshots":[{"event_id":"sha256:2f0b6e93fc732e3f416e6d37f8c78bc2cc5aa654f65e0ea256ed4fc4fc353ee2","target":"graph","created_at":"2026-07-05T10:56:39Z","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/2504.19489/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently, numerous community search methods for large graphs have been proposed, at the core of which is defining and measuring cohesion. This paper experimentally evaluates the effectiveness of these community search algorithms w.r.t. cohesiveness in the context of online social networks. Social communities are formed and developed under the influence of group cohesion theory, which has been extensively studied in social psychology. However, current generic methods typically measure cohesiveness using structural or attribute-based approaches and overlook domain-specific concepts such as group","authors_text":"Nastassja L. Fischer, SH Annabel Chen, Sourav S Bhowmick, Yining Zhao","cross_cats":["cs.SI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2025-04-28T05:08:29Z","title":"How Cohesive Are Community Search Results on Online Social Networks?: An Experimental Evaluation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.19489","kind":"arxiv","version":4},"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:adc38c1054931f3687406b51e531304c24a963aeba60fdc09e7518ebfaca5abe","target":"record","created_at":"2026-07-05T10:56:39Z","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":"167145857cdb19b959efc611f5f8fa2014f07a7450a0dbe9038a69c8717d7847","cross_cats_sorted":["cs.SI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2025-04-28T05:08:29Z","title_canon_sha256":"2ab54945d8f681de17d613e88bfa41f2743d3861b4875ea60ee870b31622403e"},"schema_version":"1.0","source":{"id":"2504.19489","kind":"arxiv","version":4}},"canonical_sha256":"adc8e2f601a5e227129cebe65841fcbdff45d41603f6a6b4a1da623d92f5231e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"adc8e2f601a5e227129cebe65841fcbdff45d41603f6a6b4a1da623d92f5231e","first_computed_at":"2026-07-05T10:56:39.732118Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:56:39.732118Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"loju+dHGfIOM0kPRs4fVAChiUBhFavg8h2B/X4juVHxdTKdHj5sArxBVMlOvLpFJSzz5rGWFEw42l/qKK72qAA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:56:39.732581Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.19489","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:adc38c1054931f3687406b51e531304c24a963aeba60fdc09e7518ebfaca5abe","sha256:2f0b6e93fc732e3f416e6d37f8c78bc2cc5aa654f65e0ea256ed4fc4fc353ee2"],"state_sha256":"08e43068de63a024c9509efe03f1b9d7bc9f22967492375fc8d0d994fc90fe47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GRWrA250hk+7hVqZYRWGm3thSOp3XVnzpemfnDsqEmJYbUopRn1iu9CSORIicEYK135WC/231QR5qduXbBSaDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T03:51:53.234210Z","bundle_sha256":"255e201b49308f1e60048f9c1bfb5c9bf5e17c682416535b55444efd7731dd73"}}