{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:C6WFJJDMHB6M5CSXB3JTJEEHOU","short_pith_number":"pith:C6WFJJDM","canonical_record":{"source":{"id":"1501.06444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-01-26T15:27:56Z","cross_cats_sorted":[],"title_canon_sha256":"26395df3b3265cbe7ccd5099f0e3af86e15aef99ac9bc80fb2ef059bce693970","abstract_canon_sha256":"3029e4abfb7226b747869e9fb897ec61804ca7aa6da7deb7d2b4aca7b5b2909a"},"schema_version":"1.0"},"canonical_sha256":"17ac54a46c387cce8a570ed3349087751baad14ba214a9ef5d3d642bb986a8cc","source":{"kind":"arxiv","id":"1501.06444","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.06444","created_at":"2026-05-18T02:28:41Z"},{"alias_kind":"arxiv_version","alias_value":"1501.06444v1","created_at":"2026-05-18T02:28:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06444","created_at":"2026-05-18T02:28:41Z"},{"alias_kind":"pith_short_12","alias_value":"C6WFJJDMHB6M","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C6WFJJDMHB6M5CSX","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C6WFJJDM","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:C6WFJJDMHB6M5CSXB3JTJEEHOU","target":"record","payload":{"canonical_record":{"source":{"id":"1501.06444","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-01-26T15:27:56Z","cross_cats_sorted":[],"title_canon_sha256":"26395df3b3265cbe7ccd5099f0e3af86e15aef99ac9bc80fb2ef059bce693970","abstract_canon_sha256":"3029e4abfb7226b747869e9fb897ec61804ca7aa6da7deb7d2b4aca7b5b2909a"},"schema_version":"1.0"},"canonical_sha256":"17ac54a46c387cce8a570ed3349087751baad14ba214a9ef5d3d642bb986a8cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:41.448354Z","signature_b64":"8KEyjqEYok0X4J3NAZQfSnNhsWhc4+8djaSRKe0rfVDM+dgZfiB/6nULD/KtZlup5a8XfEwvoG3/kKkIqtXdDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"17ac54a46c387cce8a570ed3349087751baad14ba214a9ef5d3d642bb986a8cc","last_reissued_at":"2026-05-18T02:28:41.447705Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:41.447705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.06444","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":"2026-05-18T02:28:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jnPKv9mNij6x+7oNlWaj6uPstE0ZZvcPwNa+kt67Xot+FEEVhRhisdojUTc8/0kWqTYnLLoUBstA7vrZsUVdAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:51:58.377148Z"},"content_sha256":"be77456e1589001d7bd17ffa8b4d8d5d185d68acce119be7720f226a5f4cc0a4","schema_version":"1.0","event_id":"sha256:be77456e1589001d7bd17ffa8b4d8d5d185d68acce119be7720f226a5f4cc0a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:C6WFJJDMHB6M5CSXB3JTJEEHOU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stochastic Block Models for Multiplex networks: an application to networks of researchers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"Avner Bar-Hen, Emmanuel Lazega, Pierre Barbillon, Sophie Donnet","submitted_at":"2015-01-26T15:27:56Z","abstract_excerpt":"Modeling relations between individuals is a classical question in social sciences and clustering individuals according to the observed patterns of interactions allows to uncover a latent structure in the data. Stochastic block model (SBM) is a popular approach for grouping the individuals with respect to their social comportment. When several relationships of various types can occur jointly between the individuals, the data are represented by multiplex networks where more than one edge can exist between the nodes. In this paper, we extend the SBM to multiplex networks in order to obtain a clus"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06444","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":"2026-05-18T02:28:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tamzXruO56En8vrQdQVJO2wwkwZj7Mk1Fpx4Dc3g4paf0hTo8j6Gh1395CSQsCJIXwruH5kZpNas34U9NWZNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:51:58.377509Z"},"content_sha256":"6573fa01be9d3145040d2d6167e2fbf135f5b16a9db444de388bc6bb6c13aca1","schema_version":"1.0","event_id":"sha256:6573fa01be9d3145040d2d6167e2fbf135f5b16a9db444de388bc6bb6c13aca1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C6WFJJDMHB6M5CSXB3JTJEEHOU/bundle.json","state_url":"https://pith.science/pith/C6WFJJDMHB6M5CSXB3JTJEEHOU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C6WFJJDMHB6M5CSXB3JTJEEHOU/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":"2026-06-04T03:51:58Z","links":{"resolver":"https://pith.science/pith/C6WFJJDMHB6M5CSXB3JTJEEHOU","bundle":"https://pith.science/pith/C6WFJJDMHB6M5CSXB3JTJEEHOU/bundle.json","state":"https://pith.science/pith/C6WFJJDMHB6M5CSXB3JTJEEHOU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C6WFJJDMHB6M5CSXB3JTJEEHOU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:C6WFJJDMHB6M5CSXB3JTJEEHOU","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":"3029e4abfb7226b747869e9fb897ec61804ca7aa6da7deb7d2b4aca7b5b2909a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-01-26T15:27:56Z","title_canon_sha256":"26395df3b3265cbe7ccd5099f0e3af86e15aef99ac9bc80fb2ef059bce693970"},"schema_version":"1.0","source":{"id":"1501.06444","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.06444","created_at":"2026-05-18T02:28:41Z"},{"alias_kind":"arxiv_version","alias_value":"1501.06444v1","created_at":"2026-05-18T02:28:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06444","created_at":"2026-05-18T02:28:41Z"},{"alias_kind":"pith_short_12","alias_value":"C6WFJJDMHB6M","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C6WFJJDMHB6M5CSX","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C6WFJJDM","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:6573fa01be9d3145040d2d6167e2fbf135f5b16a9db444de388bc6bb6c13aca1","target":"graph","created_at":"2026-05-18T02:28:41Z","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":"Modeling relations between individuals is a classical question in social sciences and clustering individuals according to the observed patterns of interactions allows to uncover a latent structure in the data. Stochastic block model (SBM) is a popular approach for grouping the individuals with respect to their social comportment. When several relationships of various types can occur jointly between the individuals, the data are represented by multiplex networks where more than one edge can exist between the nodes. In this paper, we extend the SBM to multiplex networks in order to obtain a clus","authors_text":"Avner Bar-Hen, Emmanuel Lazega, Pierre Barbillon, Sophie Donnet","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-01-26T15:27:56Z","title":"Stochastic Block Models for Multiplex networks: an application to networks of researchers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06444","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:be77456e1589001d7bd17ffa8b4d8d5d185d68acce119be7720f226a5f4cc0a4","target":"record","created_at":"2026-05-18T02:28:41Z","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":"3029e4abfb7226b747869e9fb897ec61804ca7aa6da7deb7d2b4aca7b5b2909a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2015-01-26T15:27:56Z","title_canon_sha256":"26395df3b3265cbe7ccd5099f0e3af86e15aef99ac9bc80fb2ef059bce693970"},"schema_version":"1.0","source":{"id":"1501.06444","kind":"arxiv","version":1}},"canonical_sha256":"17ac54a46c387cce8a570ed3349087751baad14ba214a9ef5d3d642bb986a8cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17ac54a46c387cce8a570ed3349087751baad14ba214a9ef5d3d642bb986a8cc","first_computed_at":"2026-05-18T02:28:41.447705Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:28:41.447705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8KEyjqEYok0X4J3NAZQfSnNhsWhc4+8djaSRKe0rfVDM+dgZfiB/6nULD/KtZlup5a8XfEwvoG3/kKkIqtXdDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:28:41.448354Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.06444","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be77456e1589001d7bd17ffa8b4d8d5d185d68acce119be7720f226a5f4cc0a4","sha256:6573fa01be9d3145040d2d6167e2fbf135f5b16a9db444de388bc6bb6c13aca1"],"state_sha256":"939cc5fcd47726745fd28779d15c2811e242f2f66b0bc8ad79a9d182c3f9c4ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q2aD6y1XTzq7/tzyYs0aJdA5CWQ0kBzzrSmsBJRg/czsjB2KOaV/FF9R5zD0eJNP/zKXuaDeVfPTZRRuu2ExCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:51:58.379383Z","bundle_sha256":"3b407cb7ac2afe89aa8788ed69df42af728b6fa71dcb73f0c66d41bddc56d72c"}}