{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:JHXRHEEHMTWKRVVAII56OJQT6A","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":"48732808ed4e3142853fdd39d563c62a7682bc31b6f148ce513cbcd695256693","cross_cats_sorted":["cs.DC","cs.MA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-08-29T14:15:13Z","title_canon_sha256":"1fa7d1b4f82315aecd1e3d1c961e7ceedb06ad141376e9e51fc23d69b7cd8101"},"schema_version":"1.0","source":{"id":"1908.11811","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.11811","created_at":"2026-07-05T00:17:28Z"},{"alias_kind":"arxiv_version","alias_value":"1908.11811v2","created_at":"2026-07-05T00:17:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.11811","created_at":"2026-07-05T00:17:28Z"},{"alias_kind":"pith_short_12","alias_value":"JHXRHEEHMTWK","created_at":"2026-07-05T00:17:28Z"},{"alias_kind":"pith_short_16","alias_value":"JHXRHEEHMTWKRVVA","created_at":"2026-07-05T00:17:28Z"},{"alias_kind":"pith_short_8","alias_value":"JHXRHEEH","created_at":"2026-07-05T00:17:28Z"}],"graph_snapshots":[{"event_id":"sha256:c11e1a92f7a22ced2c79ffc11bdc3d531f0d46d70e837b97b5f84c333792dccd","target":"graph","created_at":"2026-07-05T00:17:28Z","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/1908.11811/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we describe LUNES-Blockchain, an agent-based simulator of blockchains that is able to exploit Parallel and Distributed Simulation (PADS) techniques to offer a high level of scalability. To assess the preliminary implementation of our simulator, we provide a simplified modelling of the Bitcoin protocol and we study the effect of a security attack on the consensus protocol in which a set of malicious nodes implements a filtering denial of service (i.e. Sybil Attack). The results confirm the viability of the agent-based modelling of blockchains implemented by means of PADS.","authors_text":"Edoardo Rosa, Gabriele D'Angelo, Stefano Ferretti","cross_cats":["cs.DC","cs.MA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-08-29T14:15:13Z","title":"Agent-based Simulation of Blockchains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.11811","kind":"arxiv","version":2},"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":"sha256:168385e32c77678d5870a914e902730359e3ba891bae989025425a651cf8bc6d","target":"record","created_at":"2026-07-05T00:17:28Z","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":"48732808ed4e3142853fdd39d563c62a7682bc31b6f148ce513cbcd695256693","cross_cats_sorted":["cs.DC","cs.MA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2019-08-29T14:15:13Z","title_canon_sha256":"1fa7d1b4f82315aecd1e3d1c961e7ceedb06ad141376e9e51fc23d69b7cd8101"},"schema_version":"1.0","source":{"id":"1908.11811","kind":"arxiv","version":2}},"canonical_sha256":"49ef13908764eca8d6a0423be72613f018ec39ce52412d8c28e4853ae4ee1054","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49ef13908764eca8d6a0423be72613f018ec39ce52412d8c28e4853ae4ee1054","first_computed_at":"2026-07-05T00:17:28.850326Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:17:28.850326Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t/pA/75Zv2MgIZkKejOOMSeFflhi1RA0lgkcwAMzg8sfcRxDhdLn3VDi3RrHRHl2bgiPEerQP0MXikYnQOt1Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:17:28.850928Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.11811","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:168385e32c77678d5870a914e902730359e3ba891bae989025425a651cf8bc6d","sha256:c11e1a92f7a22ced2c79ffc11bdc3d531f0d46d70e837b97b5f84c333792dccd"],"state_sha256":"1d6e1a6d7f2b18b6dfb8d5ea8f95ba29bce8552481b9250586a5047be960cb70"}