{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:L6BQH5YU3YAHSW6OG32ZYYRF4Y","short_pith_number":"pith:L6BQH5YU","canonical_record":{"source":{"id":"1303.0093","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-03-01T06:17:24Z","cross_cats_sorted":["cs.IR","physics.soc-ph"],"title_canon_sha256":"92abaa99f62d7a801e6718c393a6bc2f0a0f1cabb2f9dde521e6ef287a386279","abstract_canon_sha256":"e292e2449bfad3fe011c693ac2384948469afee5750d5ba67b9dc918e62998cd"},"schema_version":"1.0"},"canonical_sha256":"5f8303f714de00795bce36f59c6225e60b40f3c656c211fc2b7093edbc592c66","source":{"kind":"arxiv","id":"1303.0093","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.0093","created_at":"2026-05-18T03:32:06Z"},{"alias_kind":"arxiv_version","alias_value":"1303.0093v1","created_at":"2026-05-18T03:32:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0093","created_at":"2026-05-18T03:32:06Z"},{"alias_kind":"pith_short_12","alias_value":"L6BQH5YU3YAH","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"L6BQH5YU3YAHSW6O","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"L6BQH5YU","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:L6BQH5YU3YAHSW6OG32ZYYRF4Y","target":"record","payload":{"canonical_record":{"source":{"id":"1303.0093","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-03-01T06:17:24Z","cross_cats_sorted":["cs.IR","physics.soc-ph"],"title_canon_sha256":"92abaa99f62d7a801e6718c393a6bc2f0a0f1cabb2f9dde521e6ef287a386279","abstract_canon_sha256":"e292e2449bfad3fe011c693ac2384948469afee5750d5ba67b9dc918e62998cd"},"schema_version":"1.0"},"canonical_sha256":"5f8303f714de00795bce36f59c6225e60b40f3c656c211fc2b7093edbc592c66","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:32:06.860328Z","signature_b64":"WVG2XWZcqBiL4fAa2gtVC0w5szvfWTUt3onmKIjRxA1JTW3XZxgBF+BE3MAUEkK6YmzH5UxLXXlihQXGym8tCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f8303f714de00795bce36f59c6225e60b40f3c656c211fc2b7093edbc592c66","last_reissued_at":"2026-05-18T03:32:06.859597Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:32:06.859597Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.0093","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":"2026-05-18T03:32:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9rXIyZ4mSNvHQHpYjhuTvIBxlaXiWxK1W/nkRwYMvxJfElVWbk9EfiC625wTT0//hBXtyQTPI0aXoPcsWWPxBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:35:48.199871Z"},"content_sha256":"9d17d4099b8976698ee850ed1ee04d1e43a59e9a4fc3c5382e2c37247839e03f","schema_version":"1.0","event_id":"sha256:9d17d4099b8976698ee850ed1ee04d1e43a59e9a4fc3c5382e2c37247839e03f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:L6BQH5YU3YAHSW6OG32ZYYRF4Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multidimensional Social Network in the Social Recommender System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IR","physics.soc-ph"],"primary_cat":"cs.SI","authors_text":"Katarzyna Musial, Przemyslaw Kazienko, Tomasz Kajdanowicz","submitted_at":"2013-03-01T06:17:24Z","abstract_excerpt":"All online sharing systems gather data that reflects users' collective behaviour and their shared activities. This data can be used to extract different kinds of relationships, which can be grouped into layers, and which are basic components of the multidimensional social network proposed in the paper. The layers are created on the basis of two types of relations between humans, i.e. direct and object-based ones which respectively correspond to either social or semantic links between individuals. For better understanding of the complexity of the social network structure, layers and their profi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0093","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":"2026-05-18T03:32:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"svC/XKdTp2pMbZxTeHlIOfAEhNla7kpIrtJ0iB9DbX26RMPzSr5OA3XQpKQiNgwrgdAFyjjLSTmldKdRzHBADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:35:48.200216Z"},"content_sha256":"7c454da946beeb8851aff477d4c59e6ff92357d38d89a22c474c38ec00b46cd5","schema_version":"1.0","event_id":"sha256:7c454da946beeb8851aff477d4c59e6ff92357d38d89a22c474c38ec00b46cd5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L6BQH5YU3YAHSW6OG32ZYYRF4Y/bundle.json","state_url":"https://pith.science/pith/L6BQH5YU3YAHSW6OG32ZYYRF4Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L6BQH5YU3YAHSW6OG32ZYYRF4Y/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":"2026-07-06T19:35:48Z","links":{"resolver":"https://pith.science/pith/L6BQH5YU3YAHSW6OG32ZYYRF4Y","bundle":"https://pith.science/pith/L6BQH5YU3YAHSW6OG32ZYYRF4Y/bundle.json","state":"https://pith.science/pith/L6BQH5YU3YAHSW6OG32ZYYRF4Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L6BQH5YU3YAHSW6OG32ZYYRF4Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:L6BQH5YU3YAHSW6OG32ZYYRF4Y","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":"e292e2449bfad3fe011c693ac2384948469afee5750d5ba67b9dc918e62998cd","cross_cats_sorted":["cs.IR","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-03-01T06:17:24Z","title_canon_sha256":"92abaa99f62d7a801e6718c393a6bc2f0a0f1cabb2f9dde521e6ef287a386279"},"schema_version":"1.0","source":{"id":"1303.0093","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.0093","created_at":"2026-05-18T03:32:06Z"},{"alias_kind":"arxiv_version","alias_value":"1303.0093v1","created_at":"2026-05-18T03:32:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0093","created_at":"2026-05-18T03:32:06Z"},{"alias_kind":"pith_short_12","alias_value":"L6BQH5YU3YAH","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"L6BQH5YU3YAHSW6O","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"L6BQH5YU","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:7c454da946beeb8851aff477d4c59e6ff92357d38d89a22c474c38ec00b46cd5","target":"graph","created_at":"2026-05-18T03:32:06Z","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":"All online sharing systems gather data that reflects users' collective behaviour and their shared activities. This data can be used to extract different kinds of relationships, which can be grouped into layers, and which are basic components of the multidimensional social network proposed in the paper. The layers are created on the basis of two types of relations between humans, i.e. direct and object-based ones which respectively correspond to either social or semantic links between individuals. For better understanding of the complexity of the social network structure, layers and their profi","authors_text":"Katarzyna Musial, Przemyslaw Kazienko, Tomasz Kajdanowicz","cross_cats":["cs.IR","physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-03-01T06:17:24Z","title":"Multidimensional Social Network in the Social Recommender System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0093","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":"sha256:9d17d4099b8976698ee850ed1ee04d1e43a59e9a4fc3c5382e2c37247839e03f","target":"record","created_at":"2026-05-18T03:32:06Z","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":"e292e2449bfad3fe011c693ac2384948469afee5750d5ba67b9dc918e62998cd","cross_cats_sorted":["cs.IR","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-03-01T06:17:24Z","title_canon_sha256":"92abaa99f62d7a801e6718c393a6bc2f0a0f1cabb2f9dde521e6ef287a386279"},"schema_version":"1.0","source":{"id":"1303.0093","kind":"arxiv","version":1}},"canonical_sha256":"5f8303f714de00795bce36f59c6225e60b40f3c656c211fc2b7093edbc592c66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f8303f714de00795bce36f59c6225e60b40f3c656c211fc2b7093edbc592c66","first_computed_at":"2026-05-18T03:32:06.859597Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:32:06.859597Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WVG2XWZcqBiL4fAa2gtVC0w5szvfWTUt3onmKIjRxA1JTW3XZxgBF+BE3MAUEkK6YmzH5UxLXXlihQXGym8tCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:32:06.860328Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.0093","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9d17d4099b8976698ee850ed1ee04d1e43a59e9a4fc3c5382e2c37247839e03f","sha256:7c454da946beeb8851aff477d4c59e6ff92357d38d89a22c474c38ec00b46cd5"],"state_sha256":"81b7fab51b4bf90673835fe8a7f7e3f0fe41adfc15caa92789421bdda520e713"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"824c0GoZS4v30KHv9vL1kIkB0VBGCbUHSEnPU5aqz1KKLYsLBeZnPIEbiIw5WSQQJ1mo3lGW3yN5oH2hcX1nAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T19:35:48.202184Z","bundle_sha256":"8a27b540f7b6cc730ee89c6da6049bb3f6e85368ad1925413a254797c846d54e"}}