{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:S4CUMQLZGPYP47E3CON5KI4YBC","short_pith_number":"pith:S4CUMQLZ","canonical_record":{"source":{"id":"2105.05733","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2021-05-12T15:30:21Z","cross_cats_sorted":["cs.LG","cs.SI","physics.soc-ph"],"title_canon_sha256":"b23fa623797d9dbe6916eb7c17d22c75071d29732b325dd1153c42b93cef66d1","abstract_canon_sha256":"2889bfb90808c991f04d3505fa778367859a3efa6e9ad07a2aa873cd8c9c490a"},"schema_version":"1.0"},"canonical_sha256":"970546417933f0fe7c9b139bd5239808899f692c901a3b401b2717052b98c9d1","source":{"kind":"arxiv","id":"2105.05733","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.05733","created_at":"2026-07-05T02:39:53Z"},{"alias_kind":"arxiv_version","alias_value":"2105.05733v1","created_at":"2026-07-05T02:39:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.05733","created_at":"2026-07-05T02:39:53Z"},{"alias_kind":"pith_short_12","alias_value":"S4CUMQLZGPYP","created_at":"2026-07-05T02:39:53Z"},{"alias_kind":"pith_short_16","alias_value":"S4CUMQLZGPYP47E3","created_at":"2026-07-05T02:39:53Z"},{"alias_kind":"pith_short_8","alias_value":"S4CUMQLZ","created_at":"2026-07-05T02:39:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:S4CUMQLZGPYP47E3CON5KI4YBC","target":"record","payload":{"canonical_record":{"source":{"id":"2105.05733","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2021-05-12T15:30:21Z","cross_cats_sorted":["cs.LG","cs.SI","physics.soc-ph"],"title_canon_sha256":"b23fa623797d9dbe6916eb7c17d22c75071d29732b325dd1153c42b93cef66d1","abstract_canon_sha256":"2889bfb90808c991f04d3505fa778367859a3efa6e9ad07a2aa873cd8c9c490a"},"schema_version":"1.0"},"canonical_sha256":"970546417933f0fe7c9b139bd5239808899f692c901a3b401b2717052b98c9d1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:39:53.606378Z","signature_b64":"Vwk0iI6fSyaqH58hKZAwKmL0fuEmAP1S9N+NdnNuRnpj+vhlEJP6HXDMbNxV6cxgyUSckFK02rvxYJhjIfdeBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"970546417933f0fe7c9b139bd5239808899f692c901a3b401b2717052b98c9d1","last_reissued_at":"2026-07-05T02:39:53.605854Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:39:53.605854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.05733","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":"2026-07-05T02:39:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t1leW53L9n2hh1juHbGE5HK5GNJ/sbhaC8fkkI23gaA4eajwqFkHze/VMD6UlWbwdKNcI68TN38nSM1Wwe85Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T03:05:44.573151Z"},"content_sha256":"01adc1e2a87543b9b497b7cf359dae35eba143ee4e72e8b6c58e598caf911838","schema_version":"1.0","event_id":"sha256:01adc1e2a87543b9b497b7cf359dae35eba143ee4e72e8b6c58e598caf911838"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:S4CUMQLZGPYP47E3CON5KI4YBC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thematic recommendations on knowledge graphs using multilayer networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","cs.SI","physics.soc-ph"],"primary_cat":"cs.IR","authors_text":"Dimitrios Korkinof, Mariano Beguerisse-D\\'iaz, Till Hoffmann","submitted_at":"2021-05-12T15:30:21Z","abstract_excerpt":"We present a framework to generate and evaluate thematic recommendations based on multilayer network representations of knowledge graphs (KGs). In this representation, each layer encodes a different type of relationship in the KG, and directed interlayer couplings connect the same entity in different roles. The relative importance of different types of connections is captured by an intuitive salience matrix that can be estimated from data, tuned to incorporate domain knowledge, address different use cases, or respect business logic.\n  We apply an adaptation of the personalised PageRank algorit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.05733","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2105.05733/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":"2026-07-05T02:39:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5uDiQtapb4dzGNjh4nAEjtqWDp8x6Sc+EQWZ/o5nf/79OB4s6xjLPBN5R5bX89P2Dj9oodcgFrNUQjgRQpfwBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T03:05:44.573696Z"},"content_sha256":"29b9e48773e21b11be6236d3f75c925b716c65e447d52a52687029b5cbc092a5","schema_version":"1.0","event_id":"sha256:29b9e48773e21b11be6236d3f75c925b716c65e447d52a52687029b5cbc092a5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S4CUMQLZGPYP47E3CON5KI4YBC/bundle.json","state_url":"https://pith.science/pith/S4CUMQLZGPYP47E3CON5KI4YBC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S4CUMQLZGPYP47E3CON5KI4YBC/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":"2026-08-04T03:05:44Z","links":{"resolver":"https://pith.science/pith/S4CUMQLZGPYP47E3CON5KI4YBC","bundle":"https://pith.science/pith/S4CUMQLZGPYP47E3CON5KI4YBC/bundle.json","state":"https://pith.science/pith/S4CUMQLZGPYP47E3CON5KI4YBC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S4CUMQLZGPYP47E3CON5KI4YBC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:S4CUMQLZGPYP47E3CON5KI4YBC","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":"2889bfb90808c991f04d3505fa778367859a3efa6e9ad07a2aa873cd8c9c490a","cross_cats_sorted":["cs.LG","cs.SI","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2021-05-12T15:30:21Z","title_canon_sha256":"b23fa623797d9dbe6916eb7c17d22c75071d29732b325dd1153c42b93cef66d1"},"schema_version":"1.0","source":{"id":"2105.05733","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.05733","created_at":"2026-07-05T02:39:53Z"},{"alias_kind":"arxiv_version","alias_value":"2105.05733v1","created_at":"2026-07-05T02:39:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.05733","created_at":"2026-07-05T02:39:53Z"},{"alias_kind":"pith_short_12","alias_value":"S4CUMQLZGPYP","created_at":"2026-07-05T02:39:53Z"},{"alias_kind":"pith_short_16","alias_value":"S4CUMQLZGPYP47E3","created_at":"2026-07-05T02:39:53Z"},{"alias_kind":"pith_short_8","alias_value":"S4CUMQLZ","created_at":"2026-07-05T02:39:53Z"}],"graph_snapshots":[{"event_id":"sha256:29b9e48773e21b11be6236d3f75c925b716c65e447d52a52687029b5cbc092a5","target":"graph","created_at":"2026-07-05T02:39:53Z","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/2105.05733/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a framework to generate and evaluate thematic recommendations based on multilayer network representations of knowledge graphs (KGs). In this representation, each layer encodes a different type of relationship in the KG, and directed interlayer couplings connect the same entity in different roles. The relative importance of different types of connections is captured by an intuitive salience matrix that can be estimated from data, tuned to incorporate domain knowledge, address different use cases, or respect business logic.\n  We apply an adaptation of the personalised PageRank algorit","authors_text":"Dimitrios Korkinof, Mariano Beguerisse-D\\'iaz, Till Hoffmann","cross_cats":["cs.LG","cs.SI","physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2021-05-12T15:30:21Z","title":"Thematic recommendations on knowledge graphs using multilayer networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.05733","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":"sha256:01adc1e2a87543b9b497b7cf359dae35eba143ee4e72e8b6c58e598caf911838","target":"record","created_at":"2026-07-05T02:39:53Z","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":"2889bfb90808c991f04d3505fa778367859a3efa6e9ad07a2aa873cd8c9c490a","cross_cats_sorted":["cs.LG","cs.SI","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2021-05-12T15:30:21Z","title_canon_sha256":"b23fa623797d9dbe6916eb7c17d22c75071d29732b325dd1153c42b93cef66d1"},"schema_version":"1.0","source":{"id":"2105.05733","kind":"arxiv","version":1}},"canonical_sha256":"970546417933f0fe7c9b139bd5239808899f692c901a3b401b2717052b98c9d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"970546417933f0fe7c9b139bd5239808899f692c901a3b401b2717052b98c9d1","first_computed_at":"2026-07-05T02:39:53.605854Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:39:53.605854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vwk0iI6fSyaqH58hKZAwKmL0fuEmAP1S9N+NdnNuRnpj+vhlEJP6HXDMbNxV6cxgyUSckFK02rvxYJhjIfdeBg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:39:53.606378Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.05733","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01adc1e2a87543b9b497b7cf359dae35eba143ee4e72e8b6c58e598caf911838","sha256:29b9e48773e21b11be6236d3f75c925b716c65e447d52a52687029b5cbc092a5"],"state_sha256":"e5aa267253dc1a781dba8f2dd7058e524016c1a7eca5a86c92cef15c77f47a9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iwzD59l/SOsFqRzA4UbhmThEgS40picKY2pP9wUTUWMbgqAnpzaEJTPjb5tBxWSzCGGRSs4P93fHaoRSnK8IAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T03:05:44.578802Z","bundle_sha256":"d6973791e5a478fb5281705d3119055052a8821fdf23015c4143d7180fefc782"}}