{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ICHS25BBK6ESTMCFY3WTSDNJUK","short_pith_number":"pith:ICHS25BB","canonical_record":{"source":{"id":"2503.01684","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2025-03-03T15:58:15Z","cross_cats_sorted":["cs.LG","physics.comp-ph","stat.ML"],"title_canon_sha256":"9ecc2cf6ae4209fc69b2500d62e73a321be823381df8451e62f8d4ecd01ac8ad","abstract_canon_sha256":"6cbc47581a97e484c728ccb3f990db451e0308c5539419b5f3b48432815e8cbe"},"schema_version":"1.0"},"canonical_sha256":"408f2d7421578929b045c6ed390da9a2a0f6f131afd2bcc8817f5cf1adc92122","source":{"kind":"arxiv","id":"2503.01684","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.01684","created_at":"2026-05-26T01:03:11Z"},{"alias_kind":"arxiv_version","alias_value":"2503.01684v3","created_at":"2026-05-26T01:03:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.01684","created_at":"2026-05-26T01:03:11Z"},{"alias_kind":"pith_short_12","alias_value":"ICHS25BBK6ES","created_at":"2026-05-26T01:03:11Z"},{"alias_kind":"pith_short_16","alias_value":"ICHS25BBK6ESTMCF","created_at":"2026-05-26T01:03:11Z"},{"alias_kind":"pith_short_8","alias_value":"ICHS25BB","created_at":"2026-05-26T01:03:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ICHS25BBK6ESTMCFY3WTSDNJUK","target":"record","payload":{"canonical_record":{"source":{"id":"2503.01684","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2025-03-03T15:58:15Z","cross_cats_sorted":["cs.LG","physics.comp-ph","stat.ML"],"title_canon_sha256":"9ecc2cf6ae4209fc69b2500d62e73a321be823381df8451e62f8d4ecd01ac8ad","abstract_canon_sha256":"6cbc47581a97e484c728ccb3f990db451e0308c5539419b5f3b48432815e8cbe"},"schema_version":"1.0"},"canonical_sha256":"408f2d7421578929b045c6ed390da9a2a0f6f131afd2bcc8817f5cf1adc92122","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T01:03:11.417112Z","signature_b64":"Z+8PjVOdCS4Q3Meyh1RrLIWY2y1guc3q7F0VGgsS/aOhvCOsYz0cdRQONq/mUrm1BEzoyNKWoBKoP8HRuSCCDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"408f2d7421578929b045c6ed390da9a2a0f6f131afd2bcc8817f5cf1adc92122","last_reissued_at":"2026-05-26T01:03:11.416284Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T01:03:11.416284Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.01684","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":"2026-05-26T01:03:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c8IUIG6BzZPcnrfDOQHXXARGilu1/CQTLPyq1vCBrNgTvh4P90JuR9oy/T6mcjLnzr/5pW9CiR1e3EBpQHHmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:00:42.330886Z"},"content_sha256":"2eac7db5a7d40f2c1e2443746fbff68e3d26998128a8c9c0423bcea5f976d694","schema_version":"1.0","event_id":"sha256:2eac7db5a7d40f2c1e2443746fbff68e3d26998128a8c9c0423bcea5f976d694"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ICHS25BBK6ESTMCFY3WTSDNJUK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Efficient Learning Method to Connect Observables","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","physics.comp-ph","stat.ML"],"primary_cat":"nucl-th","authors_text":"Hang Yu, Takayuki Miyagi","submitted_at":"2025-03-03T15:58:15Z","abstract_excerpt":"Constructing fast and accurate surrogate models is a key ingredient for making robust predictions in many topics. We introduce a new model, the Multiparameter Eigenvalue Problem (MEP) emulator. The new method connects emulators and can make predictions directly from observables to observables. We present that the MEP emulator can be trained with data from Eigenvector Continuation (EC) and Parametric Matrix Model (PMM) emulators. A simple simulation on a one-dimensional lattice confirms the performance of the MEP emulator. Using $^{28}$O as an example, we also demonstrate that the predictive pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.01684","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2503.01684/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":"2026-05-26T01:03:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"us96G5SoIQWDlaSo6N9LprQjHCtpkWkj+RYzoS4kiIk7UYY+kLfvWh9MxXSDIGhX6qWEit1Z52D7TYBiGacUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:00:42.331337Z"},"content_sha256":"2d90fc870bd0454ec17138096642e5cc25b43df2b54c716a8f6212342ece5b7d","schema_version":"1.0","event_id":"sha256:2d90fc870bd0454ec17138096642e5cc25b43df2b54c716a8f6212342ece5b7d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ICHS25BBK6ESTMCFY3WTSDNJUK/bundle.json","state_url":"https://pith.science/pith/ICHS25BBK6ESTMCFY3WTSDNJUK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ICHS25BBK6ESTMCFY3WTSDNJUK/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":"2026-05-26T20:00:42Z","links":{"resolver":"https://pith.science/pith/ICHS25BBK6ESTMCFY3WTSDNJUK","bundle":"https://pith.science/pith/ICHS25BBK6ESTMCFY3WTSDNJUK/bundle.json","state":"https://pith.science/pith/ICHS25BBK6ESTMCFY3WTSDNJUK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ICHS25BBK6ESTMCFY3WTSDNJUK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ICHS25BBK6ESTMCFY3WTSDNJUK","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":"6cbc47581a97e484c728ccb3f990db451e0308c5539419b5f3b48432815e8cbe","cross_cats_sorted":["cs.LG","physics.comp-ph","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2025-03-03T15:58:15Z","title_canon_sha256":"9ecc2cf6ae4209fc69b2500d62e73a321be823381df8451e62f8d4ecd01ac8ad"},"schema_version":"1.0","source":{"id":"2503.01684","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.01684","created_at":"2026-05-26T01:03:11Z"},{"alias_kind":"arxiv_version","alias_value":"2503.01684v3","created_at":"2026-05-26T01:03:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.01684","created_at":"2026-05-26T01:03:11Z"},{"alias_kind":"pith_short_12","alias_value":"ICHS25BBK6ES","created_at":"2026-05-26T01:03:11Z"},{"alias_kind":"pith_short_16","alias_value":"ICHS25BBK6ESTMCF","created_at":"2026-05-26T01:03:11Z"},{"alias_kind":"pith_short_8","alias_value":"ICHS25BB","created_at":"2026-05-26T01:03:11Z"}],"graph_snapshots":[{"event_id":"sha256:2d90fc870bd0454ec17138096642e5cc25b43df2b54c716a8f6212342ece5b7d","target":"graph","created_at":"2026-05-26T01:03:11Z","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/2503.01684/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Constructing fast and accurate surrogate models is a key ingredient for making robust predictions in many topics. We introduce a new model, the Multiparameter Eigenvalue Problem (MEP) emulator. The new method connects emulators and can make predictions directly from observables to observables. We present that the MEP emulator can be trained with data from Eigenvector Continuation (EC) and Parametric Matrix Model (PMM) emulators. A simple simulation on a one-dimensional lattice confirms the performance of the MEP emulator. Using $^{28}$O as an example, we also demonstrate that the predictive pr","authors_text":"Hang Yu, Takayuki Miyagi","cross_cats":["cs.LG","physics.comp-ph","stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2025-03-03T15:58:15Z","title":"An Efficient Learning Method to Connect Observables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.01684","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":"sha256:2eac7db5a7d40f2c1e2443746fbff68e3d26998128a8c9c0423bcea5f976d694","target":"record","created_at":"2026-05-26T01:03:11Z","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":"6cbc47581a97e484c728ccb3f990db451e0308c5539419b5f3b48432815e8cbe","cross_cats_sorted":["cs.LG","physics.comp-ph","stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2025-03-03T15:58:15Z","title_canon_sha256":"9ecc2cf6ae4209fc69b2500d62e73a321be823381df8451e62f8d4ecd01ac8ad"},"schema_version":"1.0","source":{"id":"2503.01684","kind":"arxiv","version":3}},"canonical_sha256":"408f2d7421578929b045c6ed390da9a2a0f6f131afd2bcc8817f5cf1adc92122","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"408f2d7421578929b045c6ed390da9a2a0f6f131afd2bcc8817f5cf1adc92122","first_computed_at":"2026-05-26T01:03:11.416284Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T01:03:11.416284Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z+8PjVOdCS4Q3Meyh1RrLIWY2y1guc3q7F0VGgsS/aOhvCOsYz0cdRQONq/mUrm1BEzoyNKWoBKoP8HRuSCCDw==","signature_status":"signed_v1","signed_at":"2026-05-26T01:03:11.417112Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.01684","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2eac7db5a7d40f2c1e2443746fbff68e3d26998128a8c9c0423bcea5f976d694","sha256:2d90fc870bd0454ec17138096642e5cc25b43df2b54c716a8f6212342ece5b7d"],"state_sha256":"322f3d2541b6e7b5504d79cce76c371fc022eb0240c128f7416f7926e962b15f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kL7QaHntXVOW9TnP9eeE4VDbCEAAeG3oJBlHIzZ+glmjDZB4IcL0Ca2xjpJl6bIzOKTC+zeFS1wlZxIQwPiaBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:00:42.334388Z","bundle_sha256":"3f022ac91400a107cccd8306d1508da9018eb6f59b0445e6910061c4c08dac8c"}}