{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:4TBAPSKY2WRCFYEWADYYHVZHXO","short_pith_number":"pith:4TBAPSKY","canonical_record":{"source":{"id":"2408.15284","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.LG","submitted_at":"2024-08-23T08:54:10Z","cross_cats_sorted":[],"title_canon_sha256":"c890cadef8d09f7aa5581805b7100e3b814dba67f82453443d11fe24b88eedaf","abstract_canon_sha256":"08c50e02c7d08a8112a1e1c53057ce539107d29687d47b2b327213af8c419e53"},"schema_version":"1.0"},"canonical_sha256":"e4c207c958d5a222e09600f183d727bb835a70d7d0ffed573d30a39d56146f03","source":{"kind":"arxiv","id":"2408.15284","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.15284","created_at":"2026-07-05T09:00:09Z"},{"alias_kind":"arxiv_version","alias_value":"2408.15284v1","created_at":"2026-07-05T09:00:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.15284","created_at":"2026-07-05T09:00:09Z"},{"alias_kind":"pith_short_12","alias_value":"4TBAPSKY2WRC","created_at":"2026-07-05T09:00:09Z"},{"alias_kind":"pith_short_16","alias_value":"4TBAPSKY2WRCFYEW","created_at":"2026-07-05T09:00:09Z"},{"alias_kind":"pith_short_8","alias_value":"4TBAPSKY","created_at":"2026-07-05T09:00:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:4TBAPSKY2WRCFYEWADYYHVZHXO","target":"record","payload":{"canonical_record":{"source":{"id":"2408.15284","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.LG","submitted_at":"2024-08-23T08:54:10Z","cross_cats_sorted":[],"title_canon_sha256":"c890cadef8d09f7aa5581805b7100e3b814dba67f82453443d11fe24b88eedaf","abstract_canon_sha256":"08c50e02c7d08a8112a1e1c53057ce539107d29687d47b2b327213af8c419e53"},"schema_version":"1.0"},"canonical_sha256":"e4c207c958d5a222e09600f183d727bb835a70d7d0ffed573d30a39d56146f03","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:00:09.621507Z","signature_b64":"ZRjbPWaClvVnJ0JUYgo3k8Q/P3OZIyD2vNkvh1RNIgSg5vR3j09gQWNEUlgLDbm4oDqYQ/sI9hYKnaeWfG2WBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4c207c958d5a222e09600f183d727bb835a70d7d0ffed573d30a39d56146f03","last_reissued_at":"2026-07-05T09:00:09.621003Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:00:09.621003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.15284","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":"2026-07-05T09:00:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7o9DM5aPjcypT4x6JPvoUpiuhWsf4McTy7+a4eYsoBXfv8FP3htSI9lReOynWyy6E1GJWREe5d+G6Y/YVQSlDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T20:56:04.141534Z"},"content_sha256":"dd6451a96463e8dc3cfe70782f950d53492420fd607403487b3b35880ef48fb7","schema_version":"1.0","event_id":"sha256:dd6451a96463e8dc3cfe70782f950d53492420fd607403487b3b35880ef48fb7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:4TBAPSKY2WRCFYEWADYYHVZHXO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Recent advances in Meta-model of Optimal Prognosis","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Johannes Will, Thomas Most","submitted_at":"2024-08-23T08:54:10Z","abstract_excerpt":"In real case applications within the virtual prototyping process, it is not always possible to reduce the complexity of the physical models and to obtain numerical models which can be solved quickly. Usually, every single numerical simulation takes hours or even days. Although the progresses in numerical methods and high performance computing, in such cases, it is not possible to explore various model configurations, hence efficient surrogate models are required.\n  Generally the available meta-model techniques show several advantages and disadvantages depending on the investigated problem. In "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.15284","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2408.15284/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T09:00:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rICDwr4ZyEULDYql3UInKOJ75w3AX90wuPOfGNLsnPlEjT12j5CQpIEPqBg6kw73BzeO3TYuam4k3j+c4+voDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T20:56:04.142448Z"},"content_sha256":"42b4d29a7b7a4411300a4200f6c6d3cc67dc7c84e98005ec7747070a09ca25b0","schema_version":"1.0","event_id":"sha256:42b4d29a7b7a4411300a4200f6c6d3cc67dc7c84e98005ec7747070a09ca25b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4TBAPSKY2WRCFYEWADYYHVZHXO/bundle.json","state_url":"https://pith.science/pith/4TBAPSKY2WRCFYEWADYYHVZHXO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4TBAPSKY2WRCFYEWADYYHVZHXO/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":"2026-08-15T20:56:04Z","links":{"resolver":"https://pith.science/pith/4TBAPSKY2WRCFYEWADYYHVZHXO","bundle":"https://pith.science/pith/4TBAPSKY2WRCFYEWADYYHVZHXO/bundle.json","state":"https://pith.science/pith/4TBAPSKY2WRCFYEWADYYHVZHXO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4TBAPSKY2WRCFYEWADYYHVZHXO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:4TBAPSKY2WRCFYEWADYYHVZHXO","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":"08c50e02c7d08a8112a1e1c53057ce539107d29687d47b2b327213af8c419e53","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.LG","submitted_at":"2024-08-23T08:54:10Z","title_canon_sha256":"c890cadef8d09f7aa5581805b7100e3b814dba67f82453443d11fe24b88eedaf"},"schema_version":"1.0","source":{"id":"2408.15284","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.15284","created_at":"2026-07-05T09:00:09Z"},{"alias_kind":"arxiv_version","alias_value":"2408.15284v1","created_at":"2026-07-05T09:00:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.15284","created_at":"2026-07-05T09:00:09Z"},{"alias_kind":"pith_short_12","alias_value":"4TBAPSKY2WRC","created_at":"2026-07-05T09:00:09Z"},{"alias_kind":"pith_short_16","alias_value":"4TBAPSKY2WRCFYEW","created_at":"2026-07-05T09:00:09Z"},{"alias_kind":"pith_short_8","alias_value":"4TBAPSKY","created_at":"2026-07-05T09:00:09Z"}],"graph_snapshots":[{"event_id":"sha256:42b4d29a7b7a4411300a4200f6c6d3cc67dc7c84e98005ec7747070a09ca25b0","target":"graph","created_at":"2026-07-05T09:00:09Z","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/2408.15284/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In real case applications within the virtual prototyping process, it is not always possible to reduce the complexity of the physical models and to obtain numerical models which can be solved quickly. Usually, every single numerical simulation takes hours or even days. Although the progresses in numerical methods and high performance computing, in such cases, it is not possible to explore various model configurations, hence efficient surrogate models are required.\n  Generally the available meta-model techniques show several advantages and disadvantages depending on the investigated problem. In ","authors_text":"Johannes Will, Thomas Most","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.LG","submitted_at":"2024-08-23T08:54:10Z","title":"Recent advances in Meta-model of Optimal Prognosis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.15284","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:dd6451a96463e8dc3cfe70782f950d53492420fd607403487b3b35880ef48fb7","target":"record","created_at":"2026-07-05T09:00:09Z","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":"08c50e02c7d08a8112a1e1c53057ce539107d29687d47b2b327213af8c419e53","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.LG","submitted_at":"2024-08-23T08:54:10Z","title_canon_sha256":"c890cadef8d09f7aa5581805b7100e3b814dba67f82453443d11fe24b88eedaf"},"schema_version":"1.0","source":{"id":"2408.15284","kind":"arxiv","version":1}},"canonical_sha256":"e4c207c958d5a222e09600f183d727bb835a70d7d0ffed573d30a39d56146f03","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e4c207c958d5a222e09600f183d727bb835a70d7d0ffed573d30a39d56146f03","first_computed_at":"2026-07-05T09:00:09.621003Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:00:09.621003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZRjbPWaClvVnJ0JUYgo3k8Q/P3OZIyD2vNkvh1RNIgSg5vR3j09gQWNEUlgLDbm4oDqYQ/sI9hYKnaeWfG2WBg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:00:09.621507Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.15284","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd6451a96463e8dc3cfe70782f950d53492420fd607403487b3b35880ef48fb7","sha256:42b4d29a7b7a4411300a4200f6c6d3cc67dc7c84e98005ec7747070a09ca25b0"],"state_sha256":"f8384c237fef6057432a70e6d3e85af52dff9efc4d14657b9e62b905ebd14c60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TBEq0zLi9QS4EjOIpUeOvkR24pw5p0LX+ILwV/+uaY/SEfRTXK89BcuN7Sew3EpHhFdcMOXxtkBxVhoPETHBAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T20:56:04.149044Z","bundle_sha256":"66f847a96f1c5ec7bf580679b207893aeff2969018e2ddc9f2f99426231fc140"}}