{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:WMOH53TYCMQZQWJQJQ2QWN2TND","short_pith_number":"pith:WMOH53TY","canonical_record":{"source":{"id":"1612.04451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2016-12-14T01:32:53Z","cross_cats_sorted":["math.OC"],"title_canon_sha256":"a04b2032bee1c7d64b47e13c046711d10dcb9b337262603c7cae25d149558312","abstract_canon_sha256":"6ec56b9d2807f717e18c1228065638e2d6d9855fe1444dbce27e49af3835827d"},"schema_version":"1.0"},"canonical_sha256":"b31c7eee7813219859304c350b375368cdf793202ea410320b95afe6d56753c3","source":{"kind":"arxiv","id":"1612.04451","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.04451","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"arxiv_version","alias_value":"1612.04451v1","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.04451","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"pith_short_12","alias_value":"WMOH53TYCMQZ","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WMOH53TYCMQZQWJQ","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WMOH53TY","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:WMOH53TYCMQZQWJQJQ2QWN2TND","target":"record","payload":{"canonical_record":{"source":{"id":"1612.04451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2016-12-14T01:32:53Z","cross_cats_sorted":["math.OC"],"title_canon_sha256":"a04b2032bee1c7d64b47e13c046711d10dcb9b337262603c7cae25d149558312","abstract_canon_sha256":"6ec56b9d2807f717e18c1228065638e2d6d9855fe1444dbce27e49af3835827d"},"schema_version":"1.0"},"canonical_sha256":"b31c7eee7813219859304c350b375368cdf793202ea410320b95afe6d56753c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:59.515483Z","signature_b64":"PzDGW8zwmmPDepgYw+UtiNUw6mYkao0zhQrVbWbnrALRDzJG97Ekv+1M21ddPzvGdC8ebrIfUBeRR+C6s5EEBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b31c7eee7813219859304c350b375368cdf793202ea410320b95afe6d56753c3","last_reissued_at":"2026-05-18T00:54:59.514837Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:59.514837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.04451","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":"2026-05-18T00:54:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KbZhgQ7ooTJhO8JAL6SKp2meMkeRi1z/9h1ybvehS9vC/+BctnO+HIL36kZQyFxD3NC2Cz7T9dUlLUCawpL8AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:55:47.713393Z"},"content_sha256":"68bc0d6119dcac204ff18d0e0696a9c4a7c137fabef91421ec18559e9f9f8b7e","schema_version":"1.0","event_id":"sha256:68bc0d6119dcac204ff18d0e0696a9c4a7c137fabef91421ec18559e9f9f8b7e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:WMOH53TYCMQZQWJQJQ2QWN2TND","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Preemptive Termination of Suggestions during Sequential Kriging Optimization of a Brain Activity Reconstruction Simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.OC"],"primary_cat":"cs.CE","authors_text":"Ian Dewancker, Michael McCourt, Salvatore Ganci","submitted_at":"2016-12-14T01:32:53Z","abstract_excerpt":"Reconstructing brain activity through electroencephalography requires a boundary value problem (BVP) solver to take a proposed distribution of current dipoles within the brain and compute the resulting electrostatic potential on the scalp. This article proposes the use of sequential kriging optimization to identify different optimal BVP solver parameters for dipoles located in isolated sections of the brain by considering the cumulative impact of randomly oriented dipoles within a chosen isolated section. We attempt preemptive termination of parametrizations suggested during the sequential kri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.04451","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":"2026-05-18T00:54:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SoQk4TrkER4saLt98bSrSwPKlyRmhPpoyCFRiChcZKX+Su5l0l9rGHtxCPxJOyeQ/aDm10p5cWpHRfw4BkdsAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:55:47.714071Z"},"content_sha256":"df8b29e026dbaffd258effa577ca1d867a7a425cf562fbbedf397b2c05ba2317","schema_version":"1.0","event_id":"sha256:df8b29e026dbaffd258effa577ca1d867a7a425cf562fbbedf397b2c05ba2317"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WMOH53TYCMQZQWJQJQ2QWN2TND/bundle.json","state_url":"https://pith.science/pith/WMOH53TYCMQZQWJQJQ2QWN2TND/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WMOH53TYCMQZQWJQJQ2QWN2TND/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":"2026-05-26T11:55:47Z","links":{"resolver":"https://pith.science/pith/WMOH53TYCMQZQWJQJQ2QWN2TND","bundle":"https://pith.science/pith/WMOH53TYCMQZQWJQJQ2QWN2TND/bundle.json","state":"https://pith.science/pith/WMOH53TYCMQZQWJQJQ2QWN2TND/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WMOH53TYCMQZQWJQJQ2QWN2TND/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:WMOH53TYCMQZQWJQJQ2QWN2TND","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":"6ec56b9d2807f717e18c1228065638e2d6d9855fe1444dbce27e49af3835827d","cross_cats_sorted":["math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2016-12-14T01:32:53Z","title_canon_sha256":"a04b2032bee1c7d64b47e13c046711d10dcb9b337262603c7cae25d149558312"},"schema_version":"1.0","source":{"id":"1612.04451","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.04451","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"arxiv_version","alias_value":"1612.04451v1","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.04451","created_at":"2026-05-18T00:54:59Z"},{"alias_kind":"pith_short_12","alias_value":"WMOH53TYCMQZ","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WMOH53TYCMQZQWJQ","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WMOH53TY","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:df8b29e026dbaffd258effa577ca1d867a7a425cf562fbbedf397b2c05ba2317","target":"graph","created_at":"2026-05-18T00:54:59Z","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":"Reconstructing brain activity through electroencephalography requires a boundary value problem (BVP) solver to take a proposed distribution of current dipoles within the brain and compute the resulting electrostatic potential on the scalp. This article proposes the use of sequential kriging optimization to identify different optimal BVP solver parameters for dipoles located in isolated sections of the brain by considering the cumulative impact of randomly oriented dipoles within a chosen isolated section. We attempt preemptive termination of parametrizations suggested during the sequential kri","authors_text":"Ian Dewancker, Michael McCourt, Salvatore Ganci","cross_cats":["math.OC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2016-12-14T01:32:53Z","title":"Preemptive Termination of Suggestions during Sequential Kriging Optimization of a Brain Activity Reconstruction Simulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.04451","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":"sha256:68bc0d6119dcac204ff18d0e0696a9c4a7c137fabef91421ec18559e9f9f8b7e","target":"record","created_at":"2026-05-18T00:54:59Z","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":"6ec56b9d2807f717e18c1228065638e2d6d9855fe1444dbce27e49af3835827d","cross_cats_sorted":["math.OC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2016-12-14T01:32:53Z","title_canon_sha256":"a04b2032bee1c7d64b47e13c046711d10dcb9b337262603c7cae25d149558312"},"schema_version":"1.0","source":{"id":"1612.04451","kind":"arxiv","version":1}},"canonical_sha256":"b31c7eee7813219859304c350b375368cdf793202ea410320b95afe6d56753c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b31c7eee7813219859304c350b375368cdf793202ea410320b95afe6d56753c3","first_computed_at":"2026-05-18T00:54:59.514837Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:59.514837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PzDGW8zwmmPDepgYw+UtiNUw6mYkao0zhQrVbWbnrALRDzJG97Ekv+1M21ddPzvGdC8ebrIfUBeRR+C6s5EEBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:59.515483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.04451","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68bc0d6119dcac204ff18d0e0696a9c4a7c137fabef91421ec18559e9f9f8b7e","sha256:df8b29e026dbaffd258effa577ca1d867a7a425cf562fbbedf397b2c05ba2317"],"state_sha256":"4290b96d4679c23aa7be5f8d61b62a228d98fce14663fe91badb8dacb292c22a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vtWukvO+vesVoDPZ6V24a3i1xr2/TgzYJX7TcLRWZD0TqUxeims9FCpdcfAr6pksl22Q1EM7r7Lptt+r1u8JAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:55:47.717752Z","bundle_sha256":"020b0c9346bf148a911913585fe4ff4e249fcaf4dfd8fa131946480ce5717945"}}