{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NVU3VKXFICUZM243L7ZMCCDSGP","short_pith_number":"pith:NVU3VKXF","canonical_record":{"source":{"id":"1406.0146","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2014-06-01T09:06:16Z","cross_cats_sorted":["cs.IR","cs.SI","q-bio.QM"],"title_canon_sha256":"c479f6369113c46fe21d9470da214cb7896bca4b13195b8277b1434b24fdf402","abstract_canon_sha256":"a8be4049d7434177dfd8910bd10cfbfc19f129cf30820dd1175d2fcd9095ef2c"},"schema_version":"1.0"},"canonical_sha256":"6d69baaae540a9966b9b5ff2c1087233d61a1de88f5e4cc016f143c13becd463","source":{"kind":"arxiv","id":"1406.0146","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.0146","created_at":"2026-05-18T02:31:35Z"},{"alias_kind":"arxiv_version","alias_value":"1406.0146v2","created_at":"2026-05-18T02:31:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.0146","created_at":"2026-05-18T02:31:35Z"},{"alias_kind":"pith_short_12","alias_value":"NVU3VKXFICUZ","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NVU3VKXFICUZM243","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NVU3VKXF","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NVU3VKXFICUZM243L7ZMCCDSGP","target":"record","payload":{"canonical_record":{"source":{"id":"1406.0146","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2014-06-01T09:06:16Z","cross_cats_sorted":["cs.IR","cs.SI","q-bio.QM"],"title_canon_sha256":"c479f6369113c46fe21d9470da214cb7896bca4b13195b8277b1434b24fdf402","abstract_canon_sha256":"a8be4049d7434177dfd8910bd10cfbfc19f129cf30820dd1175d2fcd9095ef2c"},"schema_version":"1.0"},"canonical_sha256":"6d69baaae540a9966b9b5ff2c1087233d61a1de88f5e4cc016f143c13becd463","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:35.879986Z","signature_b64":"w0YQoZ5Gbi0W9d/saqloSw5zAJ7baZxqFzwlPIl2I0P6IK7H2+ip8ZKsIv/BkZcnT1f0SwnsTNaY42gkfn2mDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d69baaae540a9966b9b5ff2c1087233d61a1de88f5e4cc016f143c13becd463","last_reissued_at":"2026-05-18T02:31:35.879509Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:35.879509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.0146","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:31:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uC8WH7jrnOSMayOvVi71KfydH196gmeDumEsFnNzE728eKnf9tl59g7jKrZFMCxwOZe0JcPsokvY6xp5s2/ZDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T21:06:29.943461Z"},"content_sha256":"b8260c326832c9cc8bcfd02cd5729596f7ba065cbf849b7fc1480047c41b7029","schema_version":"1.0","event_id":"sha256:b8260c326832c9cc8bcfd02cd5729596f7ba065cbf849b7fc1480047c41b7029"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NVU3VKXFICUZM243L7ZMCCDSGP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Community detection in networks: Structural communities versus ground truth","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IR","cs.SI","q-bio.QM"],"primary_cat":"physics.soc-ph","authors_text":"Darko Hric, Richard K. Darst, Santo Fortunato","submitted_at":"2014-06-01T09:06:16Z","abstract_excerpt":"Algorithms to find communities in networks rely just on structural information and search for cohesive subsets of nodes. On the other hand, most scholars implicitly or explicitly assume that structural communities represent groups of nodes with similar (non-topological) properties or functions. This hypothesis could not be verified, so far, because of the lack of network datasets with information on the classification of the nodes. We show that traditional community detection methods fail to find the metadata groups in many large networks. Our results show that there is a marked separation bet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.0146","kind":"arxiv","version":2},"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":"2026-05-18T02:31:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VwIoN2lOnr+bkG8Jc+SZmYecxfuOV7MYTXXTQUjd9sfzSonGQEsy30EYW8UPI4ffWyY4voDEhc3G58MW0SGXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T21:06:29.943809Z"},"content_sha256":"76f3c559480ffbbcb1aec46fd194e922764a5d92a0ce9db88d08357bffbdb36d","schema_version":"1.0","event_id":"sha256:76f3c559480ffbbcb1aec46fd194e922764a5d92a0ce9db88d08357bffbdb36d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NVU3VKXFICUZM243L7ZMCCDSGP/bundle.json","state_url":"https://pith.science/pith/NVU3VKXFICUZM243L7ZMCCDSGP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NVU3VKXFICUZM243L7ZMCCDSGP/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":"2026-06-20T21:06:29Z","links":{"resolver":"https://pith.science/pith/NVU3VKXFICUZM243L7ZMCCDSGP","bundle":"https://pith.science/pith/NVU3VKXFICUZM243L7ZMCCDSGP/bundle.json","state":"https://pith.science/pith/NVU3VKXFICUZM243L7ZMCCDSGP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NVU3VKXFICUZM243L7ZMCCDSGP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NVU3VKXFICUZM243L7ZMCCDSGP","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":"a8be4049d7434177dfd8910bd10cfbfc19f129cf30820dd1175d2fcd9095ef2c","cross_cats_sorted":["cs.IR","cs.SI","q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2014-06-01T09:06:16Z","title_canon_sha256":"c479f6369113c46fe21d9470da214cb7896bca4b13195b8277b1434b24fdf402"},"schema_version":"1.0","source":{"id":"1406.0146","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.0146","created_at":"2026-05-18T02:31:35Z"},{"alias_kind":"arxiv_version","alias_value":"1406.0146v2","created_at":"2026-05-18T02:31:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.0146","created_at":"2026-05-18T02:31:35Z"},{"alias_kind":"pith_short_12","alias_value":"NVU3VKXFICUZ","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NVU3VKXFICUZM243","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NVU3VKXF","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:76f3c559480ffbbcb1aec46fd194e922764a5d92a0ce9db88d08357bffbdb36d","target":"graph","created_at":"2026-05-18T02:31:35Z","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":"Algorithms to find communities in networks rely just on structural information and search for cohesive subsets of nodes. On the other hand, most scholars implicitly or explicitly assume that structural communities represent groups of nodes with similar (non-topological) properties or functions. This hypothesis could not be verified, so far, because of the lack of network datasets with information on the classification of the nodes. We show that traditional community detection methods fail to find the metadata groups in many large networks. Our results show that there is a marked separation bet","authors_text":"Darko Hric, Richard K. Darst, Santo Fortunato","cross_cats":["cs.IR","cs.SI","q-bio.QM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2014-06-01T09:06:16Z","title":"Community detection in networks: Structural communities versus ground truth"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.0146","kind":"arxiv","version":2},"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:b8260c326832c9cc8bcfd02cd5729596f7ba065cbf849b7fc1480047c41b7029","target":"record","created_at":"2026-05-18T02:31:35Z","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":"a8be4049d7434177dfd8910bd10cfbfc19f129cf30820dd1175d2fcd9095ef2c","cross_cats_sorted":["cs.IR","cs.SI","q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2014-06-01T09:06:16Z","title_canon_sha256":"c479f6369113c46fe21d9470da214cb7896bca4b13195b8277b1434b24fdf402"},"schema_version":"1.0","source":{"id":"1406.0146","kind":"arxiv","version":2}},"canonical_sha256":"6d69baaae540a9966b9b5ff2c1087233d61a1de88f5e4cc016f143c13becd463","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d69baaae540a9966b9b5ff2c1087233d61a1de88f5e4cc016f143c13becd463","first_computed_at":"2026-05-18T02:31:35.879509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:35.879509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w0YQoZ5Gbi0W9d/saqloSw5zAJ7baZxqFzwlPIl2I0P6IK7H2+ip8ZKsIv/BkZcnT1f0SwnsTNaY42gkfn2mDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:35.879986Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.0146","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8260c326832c9cc8bcfd02cd5729596f7ba065cbf849b7fc1480047c41b7029","sha256:76f3c559480ffbbcb1aec46fd194e922764a5d92a0ce9db88d08357bffbdb36d"],"state_sha256":"45f29a9ba696c44dded83aa9282eccfbc5f0b7ae4a10462b1b5d13c31f7497c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h2Nd2hv3xcvx+FGaO708l+H8F3rI3RMjzkRbjsh4SFtpYhmj2G+IxfFp/VKsb887ekZF7EQCJ+BSVq1NnctLBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T21:06:29.945792Z","bundle_sha256":"d2885934b3f10ef6b245c622b4490fe2b354eda1cc2c2935693513965c7a4e98"}}