{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:CJRKE2TD4NTHX6A4TF76RKDY3B","short_pith_number":"pith:CJRKE2TD","canonical_record":{"source":{"id":"1105.5954","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.CP","submitted_at":"2011-05-30T12:07:08Z","cross_cats_sorted":["math.NA"],"title_canon_sha256":"a2ba40ca1c799928dd3a8147e51a1d52c463c1c1499393f0cf857ddc4fb90293","abstract_canon_sha256":"8a9c9ad45331d1aa685b8f02ecffef6dca4b50961ae2a37554c9cd820ffd0c27"},"schema_version":"1.0"},"canonical_sha256":"1262a26a63e3667bf81c997fe8a878d86776db5825e1326b01cf5482e04fe787","source":{"kind":"arxiv","id":"1105.5954","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.5954","created_at":"2026-05-18T03:58:51Z"},{"alias_kind":"arxiv_version","alias_value":"1105.5954v2","created_at":"2026-05-18T03:58:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.5954","created_at":"2026-05-18T03:58:51Z"},{"alias_kind":"pith_short_12","alias_value":"CJRKE2TD4NTH","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CJRKE2TD4NTHX6A4","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CJRKE2TD","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:CJRKE2TD4NTHX6A4TF76RKDY3B","target":"record","payload":{"canonical_record":{"source":{"id":"1105.5954","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.CP","submitted_at":"2011-05-30T12:07:08Z","cross_cats_sorted":["math.NA"],"title_canon_sha256":"a2ba40ca1c799928dd3a8147e51a1d52c463c1c1499393f0cf857ddc4fb90293","abstract_canon_sha256":"8a9c9ad45331d1aa685b8f02ecffef6dca4b50961ae2a37554c9cd820ffd0c27"},"schema_version":"1.0"},"canonical_sha256":"1262a26a63e3667bf81c997fe8a878d86776db5825e1326b01cf5482e04fe787","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:58:51.452847Z","signature_b64":"AU2yNckdCT+a/U518kdFBsO9/rQc1zeTEYNGNSf1Ej4udCMGrj5dLy8QXqNTFZYqLfvrBXzISKUxAfCjaaT4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1262a26a63e3667bf81c997fe8a878d86776db5825e1326b01cf5482e04fe787","last_reissued_at":"2026-05-18T03:58:51.451185Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:58:51.451185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.5954","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:58:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D8S6/LJoC12+KEbBsfMIno8xjAFtV6ynXl1H/vEyWC7l03rdxA/FAZ7vOvB2K+cNTRnjH5yIe1iOUmgvuNcoAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:40:07.065285Z"},"content_sha256":"b1f9f3287dc3a8e2f8a6f2e0c71f3b00b4d36181b7d87e5b2f8883debc75b7ba","schema_version":"1.0","event_id":"sha256:b1f9f3287dc3a8e2f8a6f2e0c71f3b00b4d36181b7d87e5b2f8883debc75b7ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:CJRKE2TD4NTHX6A4TF76RKDY3B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Penalty Methods for the Solution of Discrete HJB Equations -- Continuous Control and Obstacle Problems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.NA"],"primary_cat":"q-fin.CP","authors_text":"Christoph Reisinger, Jan Hendrik Witte","submitted_at":"2011-05-30T12:07:08Z","abstract_excerpt":"In this paper, we present a novel penalty approach for the numerical solution of continuously controlled HJB equations and HJB obstacle problems. Our results include estimates of the penalisation error for a class of penalty terms, and we show that variations of Newton's method can be used to obtain globally convergent iterative solvers for the penalised equations. Furthermore, we discuss under what conditions local quadratic convergence of the iterative solvers can be expected. We include numerical results demonstrating the competitiveness of our methods."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.5954","kind":"arxiv","version":2},"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":"2026-05-18T03:58:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2kiTF+Zv9HOOQ10SIK+vtka11kdQMm+QUennqpqnewGqsren+G0W1duQZdpp6v6upJXmdL1QS7P13sq6o8sbDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:40:07.065882Z"},"content_sha256":"d2d11a1840383ce391f441dbed614d8e5757d2c82e7f9d0b8d389da521790afb","schema_version":"1.0","event_id":"sha256:d2d11a1840383ce391f441dbed614d8e5757d2c82e7f9d0b8d389da521790afb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CJRKE2TD4NTHX6A4TF76RKDY3B/bundle.json","state_url":"https://pith.science/pith/CJRKE2TD4NTHX6A4TF76RKDY3B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CJRKE2TD4NTHX6A4TF76RKDY3B/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":"2026-05-25T23:40:07Z","links":{"resolver":"https://pith.science/pith/CJRKE2TD4NTHX6A4TF76RKDY3B","bundle":"https://pith.science/pith/CJRKE2TD4NTHX6A4TF76RKDY3B/bundle.json","state":"https://pith.science/pith/CJRKE2TD4NTHX6A4TF76RKDY3B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CJRKE2TD4NTHX6A4TF76RKDY3B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:CJRKE2TD4NTHX6A4TF76RKDY3B","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":"8a9c9ad45331d1aa685b8f02ecffef6dca4b50961ae2a37554c9cd820ffd0c27","cross_cats_sorted":["math.NA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.CP","submitted_at":"2011-05-30T12:07:08Z","title_canon_sha256":"a2ba40ca1c799928dd3a8147e51a1d52c463c1c1499393f0cf857ddc4fb90293"},"schema_version":"1.0","source":{"id":"1105.5954","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.5954","created_at":"2026-05-18T03:58:51Z"},{"alias_kind":"arxiv_version","alias_value":"1105.5954v2","created_at":"2026-05-18T03:58:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.5954","created_at":"2026-05-18T03:58:51Z"},{"alias_kind":"pith_short_12","alias_value":"CJRKE2TD4NTH","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CJRKE2TD4NTHX6A4","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CJRKE2TD","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:d2d11a1840383ce391f441dbed614d8e5757d2c82e7f9d0b8d389da521790afb","target":"graph","created_at":"2026-05-18T03:58:51Z","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 present a novel penalty approach for the numerical solution of continuously controlled HJB equations and HJB obstacle problems. Our results include estimates of the penalisation error for a class of penalty terms, and we show that variations of Newton's method can be used to obtain globally convergent iterative solvers for the penalised equations. Furthermore, we discuss under what conditions local quadratic convergence of the iterative solvers can be expected. We include numerical results demonstrating the competitiveness of our methods.","authors_text":"Christoph Reisinger, Jan Hendrik Witte","cross_cats":["math.NA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.CP","submitted_at":"2011-05-30T12:07:08Z","title":"Penalty Methods for the Solution of Discrete HJB Equations -- Continuous Control and Obstacle Problems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.5954","kind":"arxiv","version":2},"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:b1f9f3287dc3a8e2f8a6f2e0c71f3b00b4d36181b7d87e5b2f8883debc75b7ba","target":"record","created_at":"2026-05-18T03:58:51Z","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":"8a9c9ad45331d1aa685b8f02ecffef6dca4b50961ae2a37554c9cd820ffd0c27","cross_cats_sorted":["math.NA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.CP","submitted_at":"2011-05-30T12:07:08Z","title_canon_sha256":"a2ba40ca1c799928dd3a8147e51a1d52c463c1c1499393f0cf857ddc4fb90293"},"schema_version":"1.0","source":{"id":"1105.5954","kind":"arxiv","version":2}},"canonical_sha256":"1262a26a63e3667bf81c997fe8a878d86776db5825e1326b01cf5482e04fe787","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1262a26a63e3667bf81c997fe8a878d86776db5825e1326b01cf5482e04fe787","first_computed_at":"2026-05-18T03:58:51.451185Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:58:51.451185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AU2yNckdCT+a/U518kdFBsO9/rQc1zeTEYNGNSf1Ej4udCMGrj5dLy8QXqNTFZYqLfvrBXzISKUxAfCjaaT4CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:58:51.452847Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.5954","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1f9f3287dc3a8e2f8a6f2e0c71f3b00b4d36181b7d87e5b2f8883debc75b7ba","sha256:d2d11a1840383ce391f441dbed614d8e5757d2c82e7f9d0b8d389da521790afb"],"state_sha256":"06fad5df6e6856093c567d16a7895aa017537174a8a37adb243f43c9e1d04037"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q7xSlNnLbgI+uU0wF6PgZx6dp1kl2PYO/ZwL0yn0TtZ4BRClwiRhv76vSsQgUfN8cDRfLgak5hQViPfxZwrwAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:40:07.069422Z","bundle_sha256":"f76c751c581ce9a532bb6850240a8f62642ce6c71ef9e11841fa3dfe753ad241"}}