{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:Q4U6SLUDZ2DNPG74NA4GAH6LDH","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":"43a22a97acd318fef6507b54d33c325a02f52cd7811cd34fc73c368b7035ec7a","cross_cats_sorted":["eess.SP","stat.ME"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.CO","submitted_at":"2025-05-07T17:55:32Z","title_canon_sha256":"706c3dace5ce612c6bff6ceb0bb72d0428df4c4dcf4dc5c65c99d9040d80e9e9"},"schema_version":"1.0","source":{"id":"2505.04611","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.04611","created_at":"2026-07-05T11:13:24Z"},{"alias_kind":"arxiv_version","alias_value":"2505.04611v4","created_at":"2026-07-05T11:13:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.04611","created_at":"2026-07-05T11:13:24Z"},{"alias_kind":"pith_short_12","alias_value":"Q4U6SLUDZ2DN","created_at":"2026-07-05T11:13:24Z"},{"alias_kind":"pith_short_16","alias_value":"Q4U6SLUDZ2DNPG74","created_at":"2026-07-05T11:13:24Z"},{"alias_kind":"pith_short_8","alias_value":"Q4U6SLUD","created_at":"2026-07-05T11:13:24Z"}],"graph_snapshots":[{"event_id":"sha256:3810f9c2c1eec1f9bbece7ecd7766f925657d4d8e8432985943886de72e2aa8e","target":"graph","created_at":"2026-07-05T11:13:24Z","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/2505.04611/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Exact parameter and trajectory inference in state-space models is typically achieved by one of two methods: particle marginal Metropolis-Hastings (PMMH) or particle Gibbs (PGibbs). PMMH is a pseudo-marginal algorithm which jointly proposes a new trajectory and parameter, and accepts or rejects both at once. PGibbs instead alternates between sampling from the trajectory, using an algorithm known as conditional sequential Monte Carlo (CSMC) and the parameter in a Hastings-within-Gibbs fashion. While particle independent Metropolis Hastings (PIMH), the parameter-free version of PMMH, is known to ","authors_text":"Adrien Corenflos","cross_cats":["eess.SP","stat.ME"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.CO","submitted_at":"2025-05-07T17:55:32Z","title":"Particle Gibbs without the Gibbs bit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.04611","kind":"arxiv","version":4},"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":"sha256:713351388e857d6a290d50dd8ea3aaf706ca1ffe64c4622af008559f827b2c94","target":"record","created_at":"2026-07-05T11:13:24Z","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":"43a22a97acd318fef6507b54d33c325a02f52cd7811cd34fc73c368b7035ec7a","cross_cats_sorted":["eess.SP","stat.ME"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.CO","submitted_at":"2025-05-07T17:55:32Z","title_canon_sha256":"706c3dace5ce612c6bff6ceb0bb72d0428df4c4dcf4dc5c65c99d9040d80e9e9"},"schema_version":"1.0","source":{"id":"2505.04611","kind":"arxiv","version":4}},"canonical_sha256":"8729e92e83ce86d79bfc6838601fcb19d6217485ea8f8a811e1941a5b298bbd1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8729e92e83ce86d79bfc6838601fcb19d6217485ea8f8a811e1941a5b298bbd1","first_computed_at":"2026-07-05T11:13:24.835575Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:13:24.835575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Fx7khjMFBv/jTtwHoY/nLP83s780GEUzNj4K/fWva/LFE72H3NG9TSe+ka45sfP8T3MyFaTPeHx/dnJOYBPiBA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:13:24.836052Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.04611","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:713351388e857d6a290d50dd8ea3aaf706ca1ffe64c4622af008559f827b2c94","sha256:3810f9c2c1eec1f9bbece7ecd7766f925657d4d8e8432985943886de72e2aa8e"],"state_sha256":"60e5c94c1fa77009dce64cf2a150555560208e6eaffe1b307dd23db64718b83d"}