{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CDYTWDP6NDR3CESIUWTSHBXOTC","short_pith_number":"pith:CDYTWDP6","canonical_record":{"source":{"id":"1810.04717","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-10-10T19:20:21Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"38f049ad1c2ba9df69aed7835cc50cbef9e3362890eeb1487624c66cf668e25a","abstract_canon_sha256":"5324ac1cb8855608e527ca34dfc4c804d261741e4ec4d0aa89cbc93249fe9f00"},"schema_version":"1.0"},"canonical_sha256":"10f13b0dfe68e3b11248a5a72386ee989704a137eb84c2b8c1c7bfd41761bc18","source":{"kind":"arxiv","id":"1810.04717","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.04717","created_at":"2026-05-17T23:48:11Z"},{"alias_kind":"arxiv_version","alias_value":"1810.04717v3","created_at":"2026-05-17T23:48:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04717","created_at":"2026-05-17T23:48:11Z"},{"alias_kind":"pith_short_12","alias_value":"CDYTWDP6NDR3","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CDYTWDP6NDR3CESI","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CDYTWDP6","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CDYTWDP6NDR3CESIUWTSHBXOTC","target":"record","payload":{"canonical_record":{"source":{"id":"1810.04717","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-10-10T19:20:21Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"38f049ad1c2ba9df69aed7835cc50cbef9e3362890eeb1487624c66cf668e25a","abstract_canon_sha256":"5324ac1cb8855608e527ca34dfc4c804d261741e4ec4d0aa89cbc93249fe9f00"},"schema_version":"1.0"},"canonical_sha256":"10f13b0dfe68e3b11248a5a72386ee989704a137eb84c2b8c1c7bfd41761bc18","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:11.374078Z","signature_b64":"K+agJUEKinG3nWPE/RZd+AVvCndH63Xu2WcysvnO26yEW7jIkRFQ3eBgvigY43mZUhT+iFfaYlDzSeN3FDSRDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10f13b0dfe68e3b11248a5a72386ee989704a137eb84c2b8c1c7bfd41761bc18","last_reissued_at":"2026-05-17T23:48:11.373401Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:11.373401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.04717","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:48:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EGhWGKN2JzrzMYt29A4hgl4oTtJDheJfbp75UZiCkf4LbdrgoFKpv/HkSRFPiyxVbVOTAHIrmayxrx5leqDKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T11:02:05.455948Z"},"content_sha256":"76dd4c78716f079980eed644290a64a0536830b9b6c02b12ce3680ef009a44d3","schema_version":"1.0","event_id":"sha256:76dd4c78716f079980eed644290a64a0536830b9b6c02b12ce3680ef009a44d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CDYTWDP6NDR3CESIUWTSHBXOTC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting Core-Periphery Structures by Surprise","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"physics.soc-ph","authors_text":"Guido Caldarelli, Jeroen van Lidth de Jeude, Tiziano Squartini","submitted_at":"2018-10-10T19:20:21Z","abstract_excerpt":"Detecting the presence of mesoscale structures in complex networks is of primary importance. This is especially true for financial networks, whose structural organization deeply affects their resilience to events like default cascades, shocks propagation, etc. Several methods have been proposed, so far, to detect communities, i.e. groups of nodes whose connectivity is significantly large. Communities, however do not represent the only kind of mesoscale structures characterizing real-world networks: other examples are provided by bow-tie structures, core-periphery structures and bipartite struc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04717","kind":"arxiv","version":3},"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":"2026-05-17T23:48:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l+jCt67E/8eyqd70523TSl0oaBrixr9QOrqSgKe/yFkRvsfBxKCwIQNtztw7Gn4Xqf/z0Q4ZeTMozv6s9eKYCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T11:02:05.456667Z"},"content_sha256":"3ed593a923605aff42e0b4f4a5914606673b469fa2d2a0bdb8e4381e24f194af","schema_version":"1.0","event_id":"sha256:3ed593a923605aff42e0b4f4a5914606673b469fa2d2a0bdb8e4381e24f194af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CDYTWDP6NDR3CESIUWTSHBXOTC/bundle.json","state_url":"https://pith.science/pith/CDYTWDP6NDR3CESIUWTSHBXOTC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CDYTWDP6NDR3CESIUWTSHBXOTC/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":"2026-06-07T11:02:05Z","links":{"resolver":"https://pith.science/pith/CDYTWDP6NDR3CESIUWTSHBXOTC","bundle":"https://pith.science/pith/CDYTWDP6NDR3CESIUWTSHBXOTC/bundle.json","state":"https://pith.science/pith/CDYTWDP6NDR3CESIUWTSHBXOTC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CDYTWDP6NDR3CESIUWTSHBXOTC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CDYTWDP6NDR3CESIUWTSHBXOTC","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":"5324ac1cb8855608e527ca34dfc4c804d261741e4ec4d0aa89cbc93249fe9f00","cross_cats_sorted":["cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-10-10T19:20:21Z","title_canon_sha256":"38f049ad1c2ba9df69aed7835cc50cbef9e3362890eeb1487624c66cf668e25a"},"schema_version":"1.0","source":{"id":"1810.04717","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.04717","created_at":"2026-05-17T23:48:11Z"},{"alias_kind":"arxiv_version","alias_value":"1810.04717v3","created_at":"2026-05-17T23:48:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04717","created_at":"2026-05-17T23:48:11Z"},{"alias_kind":"pith_short_12","alias_value":"CDYTWDP6NDR3","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"CDYTWDP6NDR3CESI","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"CDYTWDP6","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:3ed593a923605aff42e0b4f4a5914606673b469fa2d2a0bdb8e4381e24f194af","target":"graph","created_at":"2026-05-17T23:48:11Z","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":"Detecting the presence of mesoscale structures in complex networks is of primary importance. This is especially true for financial networks, whose structural organization deeply affects their resilience to events like default cascades, shocks propagation, etc. Several methods have been proposed, so far, to detect communities, i.e. groups of nodes whose connectivity is significantly large. Communities, however do not represent the only kind of mesoscale structures characterizing real-world networks: other examples are provided by bow-tie structures, core-periphery structures and bipartite struc","authors_text":"Guido Caldarelli, Jeroen van Lidth de Jeude, Tiziano Squartini","cross_cats":["cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-10-10T19:20:21Z","title":"Detecting Core-Periphery Structures by Surprise"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04717","kind":"arxiv","version":3},"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":"sha256:76dd4c78716f079980eed644290a64a0536830b9b6c02b12ce3680ef009a44d3","target":"record","created_at":"2026-05-17T23:48:11Z","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":"5324ac1cb8855608e527ca34dfc4c804d261741e4ec4d0aa89cbc93249fe9f00","cross_cats_sorted":["cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-10-10T19:20:21Z","title_canon_sha256":"38f049ad1c2ba9df69aed7835cc50cbef9e3362890eeb1487624c66cf668e25a"},"schema_version":"1.0","source":{"id":"1810.04717","kind":"arxiv","version":3}},"canonical_sha256":"10f13b0dfe68e3b11248a5a72386ee989704a137eb84c2b8c1c7bfd41761bc18","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10f13b0dfe68e3b11248a5a72386ee989704a137eb84c2b8c1c7bfd41761bc18","first_computed_at":"2026-05-17T23:48:11.373401Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:11.373401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K+agJUEKinG3nWPE/RZd+AVvCndH63Xu2WcysvnO26yEW7jIkRFQ3eBgvigY43mZUhT+iFfaYlDzSeN3FDSRDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:11.374078Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.04717","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76dd4c78716f079980eed644290a64a0536830b9b6c02b12ce3680ef009a44d3","sha256:3ed593a923605aff42e0b4f4a5914606673b469fa2d2a0bdb8e4381e24f194af"],"state_sha256":"1c13362d9d03003a74cc461b1b2f8cd76e0a51861a1f15a8f0e578ac84e6a6dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yH40cpvPUQOybaEgBf73JF0HWpvB47/w3OD+adJ5o9Gpm77lIBKHtZJo6oPxiyroqPIboD85DN9Rw1QGFWX3BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T11:02:05.460105Z","bundle_sha256":"64dad53458a954260c7b3750d1a2139dd1cc6743a7adced7edf609d6a352f21d"}}