{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:VG3TTT2MWS3PRXZU6NRBKAKSOE","short_pith_number":"pith:VG3TTT2M","canonical_record":{"source":{"id":"1407.1768","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2014-07-07T16:47:46Z","cross_cats_sorted":["cs.NE"],"title_canon_sha256":"334446a3a831511abc1eb38cd2c171b106de8c200d91dba68b1320c0b664e1cf","abstract_canon_sha256":"4f0bd584feaf0ce7bd824816aa4f53147555827a62750247c35a5b0291c7c4e4"},"schema_version":"1.0"},"canonical_sha256":"a9b739cf4cb4b6f8df34f36215015271041d66b956193d77c27b82e0120a5501","source":{"kind":"arxiv","id":"1407.1768","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.1768","created_at":"2026-05-18T02:48:10Z"},{"alias_kind":"arxiv_version","alias_value":"1407.1768v1","created_at":"2026-05-18T02:48:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.1768","created_at":"2026-05-18T02:48:10Z"},{"alias_kind":"pith_short_12","alias_value":"VG3TTT2MWS3P","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"VG3TTT2MWS3PRXZU","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"VG3TTT2M","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:VG3TTT2MWS3PRXZU6NRBKAKSOE","target":"record","payload":{"canonical_record":{"source":{"id":"1407.1768","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2014-07-07T16:47:46Z","cross_cats_sorted":["cs.NE"],"title_canon_sha256":"334446a3a831511abc1eb38cd2c171b106de8c200d91dba68b1320c0b664e1cf","abstract_canon_sha256":"4f0bd584feaf0ce7bd824816aa4f53147555827a62750247c35a5b0291c7c4e4"},"schema_version":"1.0"},"canonical_sha256":"a9b739cf4cb4b6f8df34f36215015271041d66b956193d77c27b82e0120a5501","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:10.486241Z","signature_b64":"ejcNg6mzzGZC5LjD/VQoE3H1mkPwjZD8nZ5eHSNol96VfVIJ8PpeZfW1Bh33rGjZIcMIOavMTQRsKEXf0CO4Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9b739cf4cb4b6f8df34f36215015271041d66b956193d77c27b82e0120a5501","last_reissued_at":"2026-05-18T02:48:10.485643Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:10.485643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.1768","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":"2026-05-18T02:48:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"clfuD9OvQ3Bbd74SbzM3l6ql+DXzxK9vKFJ/q3UUNvhMroG9uqXqm0DceIbMuHowpuSmWsVPu0EvIWflTyeaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:51:11.138691Z"},"content_sha256":"a452b9f6b57e8e486f4588d3e6d52d842c69ea8ef602654690c16598daffb3b3","schema_version":"1.0","event_id":"sha256:a452b9f6b57e8e486f4588d3e6d52d842c69ea8ef602654690c16598daffb3b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:VG3TTT2MWS3PRXZU6NRBKAKSOE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Downscaling near-surface atmospheric fields with multi-objective Genetic Programming","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NE"],"primary_cat":"physics.ao-ph","authors_text":"Clemens Simmer, Petra Friederichs, Tanja Zerenner, Victor Venema","submitted_at":"2014-07-07T16:47:46Z","abstract_excerpt":"The coupling of models for the different components of the Soil-Vegetation-Atmosphere-System is required to investigate component interactions and feedback processes. However, the component models for atmosphere, land-surface and subsurface are usually operated at different resolutions in space and time owing to the dominant processes. The computationally often more expensive atmospheric models, for instance, are typically employed at a coarser resolution than land-surface and subsurface models. Thus up- and downscaling procedures are required at the interface between the atmospheric model and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.1768","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":"2026-05-18T02:48:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"08kC01AsfwCfdwlny2tRvWuZusDCMlWJAMmSW2KceMYEXu3EBhcYtUGXRmWOt/gNvq3wDzpBJDuYP0PBIFR0BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:51:11.139339Z"},"content_sha256":"0408df195b3bc1cebb3158cd3e4d296b428d88b185d59b39f9445bf86cc4c30b","schema_version":"1.0","event_id":"sha256:0408df195b3bc1cebb3158cd3e4d296b428d88b185d59b39f9445bf86cc4c30b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VG3TTT2MWS3PRXZU6NRBKAKSOE/bundle.json","state_url":"https://pith.science/pith/VG3TTT2MWS3PRXZU6NRBKAKSOE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VG3TTT2MWS3PRXZU6NRBKAKSOE/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":"2026-05-26T07:51:11Z","links":{"resolver":"https://pith.science/pith/VG3TTT2MWS3PRXZU6NRBKAKSOE","bundle":"https://pith.science/pith/VG3TTT2MWS3PRXZU6NRBKAKSOE/bundle.json","state":"https://pith.science/pith/VG3TTT2MWS3PRXZU6NRBKAKSOE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VG3TTT2MWS3PRXZU6NRBKAKSOE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:VG3TTT2MWS3PRXZU6NRBKAKSOE","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":"4f0bd584feaf0ce7bd824816aa4f53147555827a62750247c35a5b0291c7c4e4","cross_cats_sorted":["cs.NE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2014-07-07T16:47:46Z","title_canon_sha256":"334446a3a831511abc1eb38cd2c171b106de8c200d91dba68b1320c0b664e1cf"},"schema_version":"1.0","source":{"id":"1407.1768","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.1768","created_at":"2026-05-18T02:48:10Z"},{"alias_kind":"arxiv_version","alias_value":"1407.1768v1","created_at":"2026-05-18T02:48:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.1768","created_at":"2026-05-18T02:48:10Z"},{"alias_kind":"pith_short_12","alias_value":"VG3TTT2MWS3P","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"VG3TTT2MWS3PRXZU","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"VG3TTT2M","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:0408df195b3bc1cebb3158cd3e4d296b428d88b185d59b39f9445bf86cc4c30b","target":"graph","created_at":"2026-05-18T02:48:10Z","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":"The coupling of models for the different components of the Soil-Vegetation-Atmosphere-System is required to investigate component interactions and feedback processes. However, the component models for atmosphere, land-surface and subsurface are usually operated at different resolutions in space and time owing to the dominant processes. The computationally often more expensive atmospheric models, for instance, are typically employed at a coarser resolution than land-surface and subsurface models. Thus up- and downscaling procedures are required at the interface between the atmospheric model and","authors_text":"Clemens Simmer, Petra Friederichs, Tanja Zerenner, Victor Venema","cross_cats":["cs.NE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2014-07-07T16:47:46Z","title":"Downscaling near-surface atmospheric fields with multi-objective Genetic Programming"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.1768","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:a452b9f6b57e8e486f4588d3e6d52d842c69ea8ef602654690c16598daffb3b3","target":"record","created_at":"2026-05-18T02:48:10Z","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":"4f0bd584feaf0ce7bd824816aa4f53147555827a62750247c35a5b0291c7c4e4","cross_cats_sorted":["cs.NE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ao-ph","submitted_at":"2014-07-07T16:47:46Z","title_canon_sha256":"334446a3a831511abc1eb38cd2c171b106de8c200d91dba68b1320c0b664e1cf"},"schema_version":"1.0","source":{"id":"1407.1768","kind":"arxiv","version":1}},"canonical_sha256":"a9b739cf4cb4b6f8df34f36215015271041d66b956193d77c27b82e0120a5501","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9b739cf4cb4b6f8df34f36215015271041d66b956193d77c27b82e0120a5501","first_computed_at":"2026-05-18T02:48:10.485643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:48:10.485643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ejcNg6mzzGZC5LjD/VQoE3H1mkPwjZD8nZ5eHSNol96VfVIJ8PpeZfW1Bh33rGjZIcMIOavMTQRsKEXf0CO4Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:48:10.486241Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.1768","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a452b9f6b57e8e486f4588d3e6d52d842c69ea8ef602654690c16598daffb3b3","sha256:0408df195b3bc1cebb3158cd3e4d296b428d88b185d59b39f9445bf86cc4c30b"],"state_sha256":"6b34e389317cbea9d668f3eec6e526c121876e481839ca8c85d09bcbfca3cdd8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oSxASfvMQ+EDYCrrpz6ZM+ejaL/ZxYa1G8SN3n5C9KbdE1RFN2mrh8Jh7CKimJseBcrV2CxyOS3jo/narKqkCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:51:11.142759Z","bundle_sha256":"03061a7f60d5b4de943cb4b5964797493b7ec41ec3e2c93a50b88f427de2ffbb"}}