{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:P45FDB5GEZMFJ4HVJ6HEEMQ3HK","short_pith_number":"pith:P45FDB5G","canonical_record":{"source":{"id":"1604.02883","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-04-11T11:10:51Z","cross_cats_sorted":["cs.CY","stat.AP"],"title_canon_sha256":"b47dc46d6c8711a470b2ea50fd9100679e68ccec47943efff9b35be85590b2b5","abstract_canon_sha256":"1c8dcfc2cb56fdaf017be70c941cde259395f22589a5176a673baa676a10d8df"},"schema_version":"1.0"},"canonical_sha256":"7f3a5187a6265854f0f54f8e42321b3a93d53f3963aac813cdc51794773e51c1","source":{"kind":"arxiv","id":"1604.02883","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.02883","created_at":"2026-05-18T01:17:21Z"},{"alias_kind":"arxiv_version","alias_value":"1604.02883v1","created_at":"2026-05-18T01:17:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.02883","created_at":"2026-05-18T01:17:21Z"},{"alias_kind":"pith_short_12","alias_value":"P45FDB5GEZMF","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"P45FDB5GEZMFJ4HV","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"P45FDB5G","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:P45FDB5GEZMFJ4HVJ6HEEMQ3HK","target":"record","payload":{"canonical_record":{"source":{"id":"1604.02883","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-04-11T11:10:51Z","cross_cats_sorted":["cs.CY","stat.AP"],"title_canon_sha256":"b47dc46d6c8711a470b2ea50fd9100679e68ccec47943efff9b35be85590b2b5","abstract_canon_sha256":"1c8dcfc2cb56fdaf017be70c941cde259395f22589a5176a673baa676a10d8df"},"schema_version":"1.0"},"canonical_sha256":"7f3a5187a6265854f0f54f8e42321b3a93d53f3963aac813cdc51794773e51c1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:21.924671Z","signature_b64":"oZBrKa46UhAdrNi/vGMk/evefankr4REkb4U1SnROazAVuao+IvEWeCBrPFqLiY6hVXk8mpoTwsXTnUHuvm6Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f3a5187a6265854f0f54f8e42321b3a93d53f3963aac813cdc51794773e51c1","last_reissued_at":"2026-05-18T01:17:21.924256Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:21.924256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.02883","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":"2026-05-18T01:17:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pZxTqIa+19kbStHSmcQcrFnVg1M0nYzMxt6Y9jMrrA5k7MWgqyjY4Y7JnsCfC7Y0xMuMdIsdFjqU0IWkG4FKCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:29:13.573363Z"},"content_sha256":"5fa8976c8c9e62ae8f61d69401d6a0d45d94325551d3ed36967c04d9a18991f7","schema_version":"1.0","event_id":"sha256:5fa8976c8c9e62ae8f61d69401d6a0d45d94325551d3ed36967c04d9a18991f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:P45FDB5GEZMFJ4HVJ6HEEMQ3HK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysing health professionals' learning interactions in online social networks: A social network analysis approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY","stat.AP"],"primary_cat":"cs.SI","authors_text":"Karin Verspoor, Kathleen Gray, Stephen Barnett, Xin Li","submitted_at":"2016-04-11T11:10:51Z","abstract_excerpt":"Online Social Networking may be a way to support health professionals' need for continuous learning through interaction with peers and experts. Understanding and evaluating such learning is important but difficult, and Social Network Analysis (SNA) offers a solution. This paper demonstrates how SNA can be used to study levels of participation as well as the patterns of interactions that take place among health professionals in a large online professional learning network. Our analysis has shown that their learning network is highly centralised and loosely connected. The level of participation "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.02883","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":"2026-05-18T01:17:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lp7+Adt+W3BJ0qp499cd87nC4VrXGPMUT/0Z7CJqTcytjK1by2oMng2tIuQRFzGk4bfbd6TC56ZXwPY+YX8ODA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:29:13.574063Z"},"content_sha256":"6ed2b1ef7a3ab19e586dea4c239bf49560a17eaee82b590dd09d471d922e6a1d","schema_version":"1.0","event_id":"sha256:6ed2b1ef7a3ab19e586dea4c239bf49560a17eaee82b590dd09d471d922e6a1d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P45FDB5GEZMFJ4HVJ6HEEMQ3HK/bundle.json","state_url":"https://pith.science/pith/P45FDB5GEZMFJ4HVJ6HEEMQ3HK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P45FDB5GEZMFJ4HVJ6HEEMQ3HK/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":"2026-05-26T15:29:13Z","links":{"resolver":"https://pith.science/pith/P45FDB5GEZMFJ4HVJ6HEEMQ3HK","bundle":"https://pith.science/pith/P45FDB5GEZMFJ4HVJ6HEEMQ3HK/bundle.json","state":"https://pith.science/pith/P45FDB5GEZMFJ4HVJ6HEEMQ3HK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P45FDB5GEZMFJ4HVJ6HEEMQ3HK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:P45FDB5GEZMFJ4HVJ6HEEMQ3HK","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":"1c8dcfc2cb56fdaf017be70c941cde259395f22589a5176a673baa676a10d8df","cross_cats_sorted":["cs.CY","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-04-11T11:10:51Z","title_canon_sha256":"b47dc46d6c8711a470b2ea50fd9100679e68ccec47943efff9b35be85590b2b5"},"schema_version":"1.0","source":{"id":"1604.02883","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.02883","created_at":"2026-05-18T01:17:21Z"},{"alias_kind":"arxiv_version","alias_value":"1604.02883v1","created_at":"2026-05-18T01:17:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.02883","created_at":"2026-05-18T01:17:21Z"},{"alias_kind":"pith_short_12","alias_value":"P45FDB5GEZMF","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"P45FDB5GEZMFJ4HV","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"P45FDB5G","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:6ed2b1ef7a3ab19e586dea4c239bf49560a17eaee82b590dd09d471d922e6a1d","target":"graph","created_at":"2026-05-18T01:17:21Z","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":"Online Social Networking may be a way to support health professionals' need for continuous learning through interaction with peers and experts. Understanding and evaluating such learning is important but difficult, and Social Network Analysis (SNA) offers a solution. This paper demonstrates how SNA can be used to study levels of participation as well as the patterns of interactions that take place among health professionals in a large online professional learning network. Our analysis has shown that their learning network is highly centralised and loosely connected. The level of participation ","authors_text":"Karin Verspoor, Kathleen Gray, Stephen Barnett, Xin Li","cross_cats":["cs.CY","stat.AP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-04-11T11:10:51Z","title":"Analysing health professionals' learning interactions in online social networks: A social network analysis approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.02883","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":"sha256:5fa8976c8c9e62ae8f61d69401d6a0d45d94325551d3ed36967c04d9a18991f7","target":"record","created_at":"2026-05-18T01:17:21Z","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":"1c8dcfc2cb56fdaf017be70c941cde259395f22589a5176a673baa676a10d8df","cross_cats_sorted":["cs.CY","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2016-04-11T11:10:51Z","title_canon_sha256":"b47dc46d6c8711a470b2ea50fd9100679e68ccec47943efff9b35be85590b2b5"},"schema_version":"1.0","source":{"id":"1604.02883","kind":"arxiv","version":1}},"canonical_sha256":"7f3a5187a6265854f0f54f8e42321b3a93d53f3963aac813cdc51794773e51c1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f3a5187a6265854f0f54f8e42321b3a93d53f3963aac813cdc51794773e51c1","first_computed_at":"2026-05-18T01:17:21.924256Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:21.924256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oZBrKa46UhAdrNi/vGMk/evefankr4REkb4U1SnROazAVuao+IvEWeCBrPFqLiY6hVXk8mpoTwsXTnUHuvm6Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:21.924671Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.02883","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5fa8976c8c9e62ae8f61d69401d6a0d45d94325551d3ed36967c04d9a18991f7","sha256:6ed2b1ef7a3ab19e586dea4c239bf49560a17eaee82b590dd09d471d922e6a1d"],"state_sha256":"afc21df4d16d6bd00740152e85309bcfc84dca8e379cacdebedcba14ca1af8f7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cYcDpJG226jk3GtQbuNH3bgUXNqY2C3caVrTphNVu527YubnoRsBsENA7PJ30Xo4g1SSO2xy4IfDwH6B4XsODw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T15:29:13.577447Z","bundle_sha256":"23d5f641d2997fefb05f2e8f9585b3afa6f4ef59d2b6be660edd3e17430305f9"}}