{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:CEYCJKSYSQ76W7LNPCBBSS6OP4","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":"8f49fcee04b1cf78b85d445dcf8e13c3e5029692652f566e0662c2deee15eef0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2017-04-07T05:50:10Z","title_canon_sha256":"ddf0ac66edfd27e98aee1fe61cad2c9e11f0dc6978533bf9ce091cd6830bdbc4"},"schema_version":"1.0","source":{"id":"1704.02097","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.02097","created_at":"2026-05-18T00:46:50Z"},{"alias_kind":"arxiv_version","alias_value":"1704.02097v1","created_at":"2026-05-18T00:46:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.02097","created_at":"2026-05-18T00:46:50Z"},{"alias_kind":"pith_short_12","alias_value":"CEYCJKSYSQ76","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CEYCJKSYSQ76W7LN","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CEYCJKSY","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:e682828d772675fb49e316e24c3224b56ddea9a5bae908dddf157bdbc7c48682","target":"graph","created_at":"2026-05-18T00:46:50Z","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 are studying the problems of modeling and inference for multivariate count time series data with Poisson marginals. The focus is on linear and log-linear models. For studying the properties of such processes we develop a novel conceptual framework which is based on copulas. However, our approach does not impose the copula on a vector of counts; instead the joint distribution is determined by imposing a copula function on a vector of associated continuous random variables. This specific construction avoids conceptual difficulties resulting from the joint distribution of discrete random varia","authors_text":"B{\\aa}rd St{\\o}ve, Dag Tj{\\o}stheim, Konstantinos Fokianos, Paul Doukhan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2017-04-07T05:50:10Z","title":"Multivariate Count Autoregression"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.02097","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":"sha256:2c986a632a1b7e78a163126439c4a767d5463b9e2f4401c667fe1fe037e1ec29","target":"record","created_at":"2026-05-18T00:46:50Z","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":"8f49fcee04b1cf78b85d445dcf8e13c3e5029692652f566e0662c2deee15eef0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2017-04-07T05:50:10Z","title_canon_sha256":"ddf0ac66edfd27e98aee1fe61cad2c9e11f0dc6978533bf9ce091cd6830bdbc4"},"schema_version":"1.0","source":{"id":"1704.02097","kind":"arxiv","version":1}},"canonical_sha256":"113024aa58943feb7d6d7882194bce7f2f9e5fbf4ac4998e5ec258b5f800aaba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"113024aa58943feb7d6d7882194bce7f2f9e5fbf4ac4998e5ec258b5f800aaba","first_computed_at":"2026-05-18T00:46:50.783238Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:50.783238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Lvsj8SbHgTjYw3/+n4162w2nZGwj/kXppZ2HUR9z13X7jH1HcfWhTQSMfpxnQNDFTexEmzYvHGw8WoFEogHcDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:50.783892Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.02097","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c986a632a1b7e78a163126439c4a767d5463b9e2f4401c667fe1fe037e1ec29","sha256:e682828d772675fb49e316e24c3224b56ddea9a5bae908dddf157bdbc7c48682"],"state_sha256":"50fcf3ed35be7c296ce347a129da95421f7d1a9b0939a963abbba75cd552e4b2"}