{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YXK4UUAQNBWMRJEVVUJ2XNQTML","short_pith_number":"pith:YXK4UUAQ","canonical_record":{"source":{"id":"1502.02908","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-02-10T13:48:46Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"8b96b712c4b17c0a1441b8e9c24c996b58ee53021714cd84b2cfbae6454e5d22","abstract_canon_sha256":"2f8d2a9dfdde0c5f2432235d470222cdb3ff60bfd6695989564603d908f54c4b"},"schema_version":"1.0"},"canonical_sha256":"c5d5ca5010686cc8a495ad13abb61362d8f4df3b982cc9bb66b7b33b9b3d3a1a","source":{"kind":"arxiv","id":"1502.02908","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.02908","created_at":"2026-05-18T00:23:14Z"},{"alias_kind":"arxiv_version","alias_value":"1502.02908v3","created_at":"2026-05-18T00:23:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.02908","created_at":"2026-05-18T00:23:14Z"},{"alias_kind":"pith_short_12","alias_value":"YXK4UUAQNBWM","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"YXK4UUAQNBWMRJEV","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"YXK4UUAQ","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YXK4UUAQNBWMRJEVVUJ2XNQTML","target":"record","payload":{"canonical_record":{"source":{"id":"1502.02908","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-02-10T13:48:46Z","cross_cats_sorted":["cs.DC"],"title_canon_sha256":"8b96b712c4b17c0a1441b8e9c24c996b58ee53021714cd84b2cfbae6454e5d22","abstract_canon_sha256":"2f8d2a9dfdde0c5f2432235d470222cdb3ff60bfd6695989564603d908f54c4b"},"schema_version":"1.0"},"canonical_sha256":"c5d5ca5010686cc8a495ad13abb61362d8f4df3b982cc9bb66b7b33b9b3d3a1a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:23:14.749962Z","signature_b64":"fmJ1nRtJfscUa0iHJsHmHxXQma9lJwBdlRdihybui8fjMr+Ni2Pgs18J4X4d3r+rW0SA3AF8FC5BdTOZfAgEAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5d5ca5010686cc8a495ad13abb61362d8f4df3b982cc9bb66b7b33b9b3d3a1a","last_reissued_at":"2026-05-18T00:23:14.749430Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:23:14.749430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.02908","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":"2026-05-18T00:23:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1iir+2JHFwFWDoQIU6mTNVX5ZjITIRgbeGdqaJDWYh1Ne6l9H8flAbs4QwmQdlBOq5bziNrDOg071rsoZNXtDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T22:45:37.475514Z"},"content_sha256":"e420537bf0dfbccb77a60e6f600c272e8d8761e5958656a2c74b61ad4d7c0c9a","schema_version":"1.0","event_id":"sha256:e420537bf0dfbccb77a60e6f600c272e8d8761e5958656a2c74b61ad4d7c0c9a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YXK4UUAQNBWMRJEVVUJ2XNQTML","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast event-based epidemiological simulations on national scales","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC"],"primary_cat":"q-bio.PE","authors_text":"Pavol Bauer, Stefan Engblom, Stefan Widgren","submitted_at":"2015-02-10T13:48:46Z","abstract_excerpt":"We present a computational modeling framework for data-driven simulations and analysis of infectious disease spread in large populations. For the purpose of efficient simulations, we devise a parallel solution algorithm targeting multi-socket shared memory architectures. The model integrates infectious dynamics as continuous-time Markov chains and available data such as animal movements or aging are incorporated as externally defined events. To bring out parallelism and accelerate the computations, we decompose the spatial domain and optimize cross-boundary communication using dependency-aware"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.02908","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":"2026-05-18T00:23:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TeeejAEzrgrmg/wc5K1mQPUw39xaFTb7l6fYXUHo6/1QPWkwoXO39fq+QnFq666Ja2rf9SXlagTcnqyrrGVLDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T22:45:37.475860Z"},"content_sha256":"a3d4437152c8f972e539b58cb32624f189c9c35da1d7c83332b9e0f3cf43e1b0","schema_version":"1.0","event_id":"sha256:a3d4437152c8f972e539b58cb32624f189c9c35da1d7c83332b9e0f3cf43e1b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YXK4UUAQNBWMRJEVVUJ2XNQTML/bundle.json","state_url":"https://pith.science/pith/YXK4UUAQNBWMRJEVVUJ2XNQTML/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YXK4UUAQNBWMRJEVVUJ2XNQTML/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":"2026-06-29T22:45:37Z","links":{"resolver":"https://pith.science/pith/YXK4UUAQNBWMRJEVVUJ2XNQTML","bundle":"https://pith.science/pith/YXK4UUAQNBWMRJEVVUJ2XNQTML/bundle.json","state":"https://pith.science/pith/YXK4UUAQNBWMRJEVVUJ2XNQTML/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YXK4UUAQNBWMRJEVVUJ2XNQTML/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YXK4UUAQNBWMRJEVVUJ2XNQTML","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":"2f8d2a9dfdde0c5f2432235d470222cdb3ff60bfd6695989564603d908f54c4b","cross_cats_sorted":["cs.DC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-02-10T13:48:46Z","title_canon_sha256":"8b96b712c4b17c0a1441b8e9c24c996b58ee53021714cd84b2cfbae6454e5d22"},"schema_version":"1.0","source":{"id":"1502.02908","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.02908","created_at":"2026-05-18T00:23:14Z"},{"alias_kind":"arxiv_version","alias_value":"1502.02908v3","created_at":"2026-05-18T00:23:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.02908","created_at":"2026-05-18T00:23:14Z"},{"alias_kind":"pith_short_12","alias_value":"YXK4UUAQNBWM","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"YXK4UUAQNBWMRJEV","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"YXK4UUAQ","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:a3d4437152c8f972e539b58cb32624f189c9c35da1d7c83332b9e0f3cf43e1b0","target":"graph","created_at":"2026-05-18T00:23:14Z","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":"We present a computational modeling framework for data-driven simulations and analysis of infectious disease spread in large populations. For the purpose of efficient simulations, we devise a parallel solution algorithm targeting multi-socket shared memory architectures. The model integrates infectious dynamics as continuous-time Markov chains and available data such as animal movements or aging are incorporated as externally defined events. To bring out parallelism and accelerate the computations, we decompose the spatial domain and optimize cross-boundary communication using dependency-aware","authors_text":"Pavol Bauer, Stefan Engblom, Stefan Widgren","cross_cats":["cs.DC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-02-10T13:48:46Z","title":"Fast event-based epidemiological simulations on national scales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.02908","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:e420537bf0dfbccb77a60e6f600c272e8d8761e5958656a2c74b61ad4d7c0c9a","target":"record","created_at":"2026-05-18T00:23:14Z","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":"2f8d2a9dfdde0c5f2432235d470222cdb3ff60bfd6695989564603d908f54c4b","cross_cats_sorted":["cs.DC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-02-10T13:48:46Z","title_canon_sha256":"8b96b712c4b17c0a1441b8e9c24c996b58ee53021714cd84b2cfbae6454e5d22"},"schema_version":"1.0","source":{"id":"1502.02908","kind":"arxiv","version":3}},"canonical_sha256":"c5d5ca5010686cc8a495ad13abb61362d8f4df3b982cc9bb66b7b33b9b3d3a1a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5d5ca5010686cc8a495ad13abb61362d8f4df3b982cc9bb66b7b33b9b3d3a1a","first_computed_at":"2026-05-18T00:23:14.749430Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:23:14.749430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fmJ1nRtJfscUa0iHJsHmHxXQma9lJwBdlRdihybui8fjMr+Ni2Pgs18J4X4d3r+rW0SA3AF8FC5BdTOZfAgEAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:23:14.749962Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.02908","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e420537bf0dfbccb77a60e6f600c272e8d8761e5958656a2c74b61ad4d7c0c9a","sha256:a3d4437152c8f972e539b58cb32624f189c9c35da1d7c83332b9e0f3cf43e1b0"],"state_sha256":"fd970b301c78cf69662705c36ede02ed0d9e4ebb2cbfb06e95deb33b76672145"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EOYBCQsas/CduhU+4xh/O1qDR5lkCZlIq6b+VHhNQZdeRbQT8n1RqcgN/TlI1IGR/Kvc96RcXWodV0/XJ+c7Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T22:45:37.478023Z","bundle_sha256":"dc340bbbff5c0bc8d24ccd5922cb4e668df9d9cbc1260f4c6d40e71cbfe4757a"}}