{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:5WPFKTHTRVEPSYRLDAKDP66CH3","short_pith_number":"pith:5WPFKTHT","canonical_record":{"source":{"id":"1010.1595","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2010-10-08T05:43:27Z","cross_cats_sorted":["cs.DC","cs.DS"],"title_canon_sha256":"a85b5a6a3b213452a91c2741429ed290adc78ecfb35ccdb744fa16585be2e4e0","abstract_canon_sha256":"e8740b76bc552277ebd5b4b0eb181337ea558b4ff5153038376dbd1c6cca772d"},"schema_version":"1.0"},"canonical_sha256":"ed9e554cf38d48f9622b181437fbc23ed64e1a1b75fc466409481b176fd5592b","source":{"kind":"arxiv","id":"1010.1595","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1595","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1595v3","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1595","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"pith_short_12","alias_value":"5WPFKTHTRVEP","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5WPFKTHTRVEPSYRL","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5WPFKTHT","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:5WPFKTHTRVEPSYRLDAKDP66CH3","target":"record","payload":{"canonical_record":{"source":{"id":"1010.1595","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2010-10-08T05:43:27Z","cross_cats_sorted":["cs.DC","cs.DS"],"title_canon_sha256":"a85b5a6a3b213452a91c2741429ed290adc78ecfb35ccdb744fa16585be2e4e0","abstract_canon_sha256":"e8740b76bc552277ebd5b4b0eb181337ea558b4ff5153038376dbd1c6cca772d"},"schema_version":"1.0"},"canonical_sha256":"ed9e554cf38d48f9622b181437fbc23ed64e1a1b75fc466409481b176fd5592b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:23:46.300741Z","signature_b64":"XkrmSn+8mBwcBXQO1FdE68YOdQr6waAbK39HL2uaj7ygHDj+xcAdM+zIHXhEwHPX3f2E1/Xb7P1gj00anPAsCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed9e554cf38d48f9622b181437fbc23ed64e1a1b75fc466409481b176fd5592b","last_reissued_at":"2026-05-18T02:23:46.300264Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:23:46.300264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.1595","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":"2026-05-18T02:23:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VJmzDSBPCXxHvmHf5Kc0HWwzvohIaEYSa3szemc7ymjXuV9d0D2X2nI2/dcQuVv8fA+8J3sIPp7abbMPMBr3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:07:53.725142Z"},"content_sha256":"5102a53c1d5b7c552b3e74d50890206a84460ef35064cbd9d323523662bacc74","schema_version":"1.0","event_id":"sha256:5102a53c1d5b7c552b3e74d50890206a84460ef35064cbd9d323523662bacc74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:5WPFKTHTRVEPSYRLDAKDP66CH3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Using parallel computation to improve Independent Metropolis--Hastings based estimation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC","cs.DS"],"primary_cat":"stat.CO","authors_text":"Christian P. Robert (Universite Paris-Dauphine, CREST, France), IUF, Murray H. Smith (NIWA, New Zealand), Pierre Jacob (Universite Paris-Dauphine, Wellington","submitted_at":"2010-10-08T05:43:27Z","abstract_excerpt":"In this paper, we consider the implications of the fact that parallel raw-power can be exploited by a generic Metropolis--Hastings algorithm if the proposed values are independent. In particular, we present improvements to the independent Metropolis--Hastings algorithm that significantly decrease the variance of any estimator derived from the MCMC output, for a null computing cost since those improvements are based on a fixed number of target density evaluations. Furthermore, the techniques developed in this paper do not jeopardize the Markovian convergence properties of the algorithm, since t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1595","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":"2026-05-18T02:23:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F/8uIuGj6aY/BWOsu3x/pKmM2/CRKM+dsWpBsD16mrTbIwzZ+YEprE1MRZ5vXH4VdpRQNULQA1zKcy3r12YADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:07:53.725818Z"},"content_sha256":"f00f6a5960c71990bec1a864270ae1a7f64dea9c747dc85ebdc5631b8d885430","schema_version":"1.0","event_id":"sha256:f00f6a5960c71990bec1a864270ae1a7f64dea9c747dc85ebdc5631b8d885430"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5WPFKTHTRVEPSYRLDAKDP66CH3/bundle.json","state_url":"https://pith.science/pith/5WPFKTHTRVEPSYRLDAKDP66CH3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5WPFKTHTRVEPSYRLDAKDP66CH3/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":"2026-05-31T05:07:53Z","links":{"resolver":"https://pith.science/pith/5WPFKTHTRVEPSYRLDAKDP66CH3","bundle":"https://pith.science/pith/5WPFKTHTRVEPSYRLDAKDP66CH3/bundle.json","state":"https://pith.science/pith/5WPFKTHTRVEPSYRLDAKDP66CH3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5WPFKTHTRVEPSYRLDAKDP66CH3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:5WPFKTHTRVEPSYRLDAKDP66CH3","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":"e8740b76bc552277ebd5b4b0eb181337ea558b4ff5153038376dbd1c6cca772d","cross_cats_sorted":["cs.DC","cs.DS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2010-10-08T05:43:27Z","title_canon_sha256":"a85b5a6a3b213452a91c2741429ed290adc78ecfb35ccdb744fa16585be2e4e0"},"schema_version":"1.0","source":{"id":"1010.1595","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1595","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1595v3","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1595","created_at":"2026-05-18T02:23:46Z"},{"alias_kind":"pith_short_12","alias_value":"5WPFKTHTRVEP","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5WPFKTHTRVEPSYRL","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5WPFKTHT","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:f00f6a5960c71990bec1a864270ae1a7f64dea9c747dc85ebdc5631b8d885430","target":"graph","created_at":"2026-05-18T02:23:46Z","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":"In this paper, we consider the implications of the fact that parallel raw-power can be exploited by a generic Metropolis--Hastings algorithm if the proposed values are independent. In particular, we present improvements to the independent Metropolis--Hastings algorithm that significantly decrease the variance of any estimator derived from the MCMC output, for a null computing cost since those improvements are based on a fixed number of target density evaluations. Furthermore, the techniques developed in this paper do not jeopardize the Markovian convergence properties of the algorithm, since t","authors_text":"Christian P. Robert (Universite Paris-Dauphine, CREST, France), IUF, Murray H. Smith (NIWA, New Zealand), Pierre Jacob (Universite Paris-Dauphine, Wellington","cross_cats":["cs.DC","cs.DS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2010-10-08T05:43:27Z","title":"Using parallel computation to improve Independent Metropolis--Hastings based estimation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1595","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":"sha256:5102a53c1d5b7c552b3e74d50890206a84460ef35064cbd9d323523662bacc74","target":"record","created_at":"2026-05-18T02:23:46Z","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":"e8740b76bc552277ebd5b4b0eb181337ea558b4ff5153038376dbd1c6cca772d","cross_cats_sorted":["cs.DC","cs.DS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2010-10-08T05:43:27Z","title_canon_sha256":"a85b5a6a3b213452a91c2741429ed290adc78ecfb35ccdb744fa16585be2e4e0"},"schema_version":"1.0","source":{"id":"1010.1595","kind":"arxiv","version":3}},"canonical_sha256":"ed9e554cf38d48f9622b181437fbc23ed64e1a1b75fc466409481b176fd5592b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed9e554cf38d48f9622b181437fbc23ed64e1a1b75fc466409481b176fd5592b","first_computed_at":"2026-05-18T02:23:46.300264Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:23:46.300264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XkrmSn+8mBwcBXQO1FdE68YOdQr6waAbK39HL2uaj7ygHDj+xcAdM+zIHXhEwHPX3f2E1/Xb7P1gj00anPAsCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:23:46.300741Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.1595","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5102a53c1d5b7c552b3e74d50890206a84460ef35064cbd9d323523662bacc74","sha256:f00f6a5960c71990bec1a864270ae1a7f64dea9c747dc85ebdc5631b8d885430"],"state_sha256":"a2fc78b15c6ee8f7bde1e2db960103392180d026b7f683b2d9631fd5df05d5c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E/gWo+lWZ+wIDg/8vuvRVaAOH7AJYKYZGDn+9xpV9YmYobo5DFDF8J91/9nDxRQ/18PWvynKyOa8QG55KYhLAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T05:07:53.729020Z","bundle_sha256":"fb3e476dd8f3fe0916c850cd9e7abe677b45370ce6b2eb5cd0ea1902a6b0d033"}}