{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:P3JYWFNV4VK7LMCU6CBQOVIPUN","short_pith_number":"pith:P3JYWFNV","canonical_record":{"source":{"id":"1301.2305","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-01-10T16:26:08Z","cross_cats_sorted":[],"title_canon_sha256":"853659c5a94e08bb96bb2cb3907ff8b764380674d9665305b31588d40ecfb581","abstract_canon_sha256":"5a4805a694be5182f1007776b6403bbdf6c0aa6fd556c7ac5bbbc65fd390146f"},"schema_version":"1.0"},"canonical_sha256":"7ed38b15b5e555f5b054f08307550fa34502f4ff9ef7068db85079950c884041","source":{"kind":"arxiv","id":"1301.2305","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.2305","created_at":"2026-05-18T03:36:45Z"},{"alias_kind":"arxiv_version","alias_value":"1301.2305v1","created_at":"2026-05-18T03:36:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.2305","created_at":"2026-05-18T03:36:45Z"},{"alias_kind":"pith_short_12","alias_value":"P3JYWFNV4VK7","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"P3JYWFNV4VK7LMCU","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"P3JYWFNV","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:P3JYWFNV4VK7LMCU6CBQOVIPUN","target":"record","payload":{"canonical_record":{"source":{"id":"1301.2305","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-01-10T16:26:08Z","cross_cats_sorted":[],"title_canon_sha256":"853659c5a94e08bb96bb2cb3907ff8b764380674d9665305b31588d40ecfb581","abstract_canon_sha256":"5a4805a694be5182f1007776b6403bbdf6c0aa6fd556c7ac5bbbc65fd390146f"},"schema_version":"1.0"},"canonical_sha256":"7ed38b15b5e555f5b054f08307550fa34502f4ff9ef7068db85079950c884041","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:45.419783Z","signature_b64":"FTfpFZgmrTg61S52BHaKn3dX77vMkEHAD0RQQfsPFyVLYp2s+JJpPhCICzRGAmya2uTjobcPZAu0Hawwzm7WBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ed38b15b5e555f5b054f08307550fa34502f4ff9ef7068db85079950c884041","last_reissued_at":"2026-05-18T03:36:45.419229Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:45.419229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.2305","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:36:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yiWo82Mf7kab8M1mWdkH4+TdY8h1rV+0T4y4iKyeJ7x2ZjCrTma3w5b/rOPwB7LCosNmPKovTziqX79q/JDcDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:06:22.178878Z"},"content_sha256":"b36bd50a5ea73711c9feb1a4d78392d0d3cc48ffc7ce7dd2d727359939d3e6b2","schema_version":"1.0","event_id":"sha256:b36bd50a5ea73711c9feb1a4d78392d0d3cc48ffc7ce7dd2d727359939d3e6b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:P3JYWFNV4VK7LMCU6CBQOVIPUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Value-Directed Sampling Methods for POMDPs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Craig Boutilier, Luis E. Ortiz, Pascal Poupart","submitted_at":"2013-01-10T16:26:08Z","abstract_excerpt":"We consider the problem of approximate belief-state monitoring using particle filtering for the purposes of implementing a policy for a partially-observable Markov decision process (POMDP). While particle filtering has become a widely-used tool in AI for monitoring dynamical systems, rather scant attention has been paid to their use in the context of decision making. Assuming the existence of a value function, we derive error bounds on decision quality associated with filtering using importance sampling. We also describe an adaptive procedure that can be used to dynamically determine the numbe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.2305","kind":"arxiv","version":1},"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":"2026-05-18T03:36:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1BtvCOT6Kx9SBdzhxv6dRaQO6rIz+gRUu3LiLDGZcdkmTgGRYMEhn49tjOx4QuV6+OrCDPaj03Lk9cLKhum/BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:06:22.179221Z"},"content_sha256":"563fe727f79df98cb6a46750d94c61fa2a4fc1d4ad78749180786f5733b6551a","schema_version":"1.0","event_id":"sha256:563fe727f79df98cb6a46750d94c61fa2a4fc1d4ad78749180786f5733b6551a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P3JYWFNV4VK7LMCU6CBQOVIPUN/bundle.json","state_url":"https://pith.science/pith/P3JYWFNV4VK7LMCU6CBQOVIPUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P3JYWFNV4VK7LMCU6CBQOVIPUN/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":"2026-06-04T07:06:22Z","links":{"resolver":"https://pith.science/pith/P3JYWFNV4VK7LMCU6CBQOVIPUN","bundle":"https://pith.science/pith/P3JYWFNV4VK7LMCU6CBQOVIPUN/bundle.json","state":"https://pith.science/pith/P3JYWFNV4VK7LMCU6CBQOVIPUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P3JYWFNV4VK7LMCU6CBQOVIPUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:P3JYWFNV4VK7LMCU6CBQOVIPUN","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":"5a4805a694be5182f1007776b6403bbdf6c0aa6fd556c7ac5bbbc65fd390146f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-01-10T16:26:08Z","title_canon_sha256":"853659c5a94e08bb96bb2cb3907ff8b764380674d9665305b31588d40ecfb581"},"schema_version":"1.0","source":{"id":"1301.2305","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.2305","created_at":"2026-05-18T03:36:45Z"},{"alias_kind":"arxiv_version","alias_value":"1301.2305v1","created_at":"2026-05-18T03:36:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.2305","created_at":"2026-05-18T03:36:45Z"},{"alias_kind":"pith_short_12","alias_value":"P3JYWFNV4VK7","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"P3JYWFNV4VK7LMCU","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"P3JYWFNV","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:563fe727f79df98cb6a46750d94c61fa2a4fc1d4ad78749180786f5733b6551a","target":"graph","created_at":"2026-05-18T03:36:45Z","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 consider the problem of approximate belief-state monitoring using particle filtering for the purposes of implementing a policy for a partially-observable Markov decision process (POMDP). While particle filtering has become a widely-used tool in AI for monitoring dynamical systems, rather scant attention has been paid to their use in the context of decision making. Assuming the existence of a value function, we derive error bounds on decision quality associated with filtering using importance sampling. We also describe an adaptive procedure that can be used to dynamically determine the numbe","authors_text":"Craig Boutilier, Luis E. Ortiz, Pascal Poupart","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-01-10T16:26:08Z","title":"Value-Directed Sampling Methods for POMDPs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.2305","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:b36bd50a5ea73711c9feb1a4d78392d0d3cc48ffc7ce7dd2d727359939d3e6b2","target":"record","created_at":"2026-05-18T03:36:45Z","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":"5a4805a694be5182f1007776b6403bbdf6c0aa6fd556c7ac5bbbc65fd390146f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-01-10T16:26:08Z","title_canon_sha256":"853659c5a94e08bb96bb2cb3907ff8b764380674d9665305b31588d40ecfb581"},"schema_version":"1.0","source":{"id":"1301.2305","kind":"arxiv","version":1}},"canonical_sha256":"7ed38b15b5e555f5b054f08307550fa34502f4ff9ef7068db85079950c884041","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ed38b15b5e555f5b054f08307550fa34502f4ff9ef7068db85079950c884041","first_computed_at":"2026-05-18T03:36:45.419229Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:36:45.419229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FTfpFZgmrTg61S52BHaKn3dX77vMkEHAD0RQQfsPFyVLYp2s+JJpPhCICzRGAmya2uTjobcPZAu0Hawwzm7WBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:36:45.419783Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.2305","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b36bd50a5ea73711c9feb1a4d78392d0d3cc48ffc7ce7dd2d727359939d3e6b2","sha256:563fe727f79df98cb6a46750d94c61fa2a4fc1d4ad78749180786f5733b6551a"],"state_sha256":"82d78ab07e8ddd89cf1060063d60a8998e444b718e31971a615a05e49a0ad3de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"phIJwXyfXAaYAlQYlaMmoD69tSqysKHDfA71LsIhwnuGNjbGiwPTk983Kjn3Sgakmfrqrh0WKPAcXfjNiyI6Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T07:06:22.181124Z","bundle_sha256":"9fc78abb0d4c80c60a2d4a6d0bbbf460e0289f5e8b8e904acf0fa68d25d6035a"}}