{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:CFYJ34UGP63NL5GBPQEJJ3IPZ2","short_pith_number":"pith:CFYJ34UG","canonical_record":{"source":{"id":"2304.05944","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DL","submitted_at":"2023-04-12T16:09:52Z","cross_cats_sorted":[],"title_canon_sha256":"98e36e619d7d89f147cfee814348cfbd0d84e2e4b9319b5af83d3310eef17bd5","abstract_canon_sha256":"9aa032884b3ab3e502222f13cc270dd5733254869f1daa405d8faa8131d6958e"},"schema_version":"1.0"},"canonical_sha256":"11709df2867fb6d5f4c17c0894ed0fceb8187fb82547c000801382c4e05f4902","source":{"kind":"arxiv","id":"2304.05944","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.05944","created_at":"2026-07-05T06:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"2304.05944v1","created_at":"2026-07-05T06:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.05944","created_at":"2026-07-05T06:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"CFYJ34UGP63N","created_at":"2026-07-05T06:00:26Z"},{"alias_kind":"pith_short_16","alias_value":"CFYJ34UGP63NL5GB","created_at":"2026-07-05T06:00:26Z"},{"alias_kind":"pith_short_8","alias_value":"CFYJ34UG","created_at":"2026-07-05T06:00:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:CFYJ34UGP63NL5GBPQEJJ3IPZ2","target":"record","payload":{"canonical_record":{"source":{"id":"2304.05944","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DL","submitted_at":"2023-04-12T16:09:52Z","cross_cats_sorted":[],"title_canon_sha256":"98e36e619d7d89f147cfee814348cfbd0d84e2e4b9319b5af83d3310eef17bd5","abstract_canon_sha256":"9aa032884b3ab3e502222f13cc270dd5733254869f1daa405d8faa8131d6958e"},"schema_version":"1.0"},"canonical_sha256":"11709df2867fb6d5f4c17c0894ed0fceb8187fb82547c000801382c4e05f4902","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:00:26.050546Z","signature_b64":"U84ix9/fc+OyIA7TU5NAnpVhH6V53OQoHx/AyMsr+poltNRa/xu/LBaexot4CwS/YQS/KdmkIohNsDVW0UTIAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11709df2867fb6d5f4c17c0894ed0fceb8187fb82547c000801382c4e05f4902","last_reissued_at":"2026-07-05T06:00:26.050065Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:00:26.050065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.05944","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":"2026-07-05T06:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0cgcGBYGODGgdnsZDZ19PAfTc79IRstVOoN7AYoa6mRUNYxGk87GYNcV9lirgYEAYy8QQpBncgfuyh1/CVX+BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:18:52.445670Z"},"content_sha256":"1e6516d6d99c0146f6d55ea94bbeaeb3af56171904c51c71ef469239ca4fd8c5","schema_version":"1.0","event_id":"sha256:1e6516d6d99c0146f6d55ea94bbeaeb3af56171904c51c71ef469239ca4fd8c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:CFYJ34UGP63NL5GBPQEJJ3IPZ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constructing a Searchable Knowledge Repository for FAIR Climate Data","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.DL","authors_text":"Branislava Lalic, Dragan Milosevic, Mark Roantree, Michael Scriney, Stevan Savic","submitted_at":"2023-04-12T16:09:52Z","abstract_excerpt":"The development of a knowledge repository for climate science data is a multidisciplinary effort between the domain experts (climate scientists), data engineers whos skills include design and building a knowledge repository, and machine learning researchers who provide expertise on data preparation tasks such as gap filling and advise on different machine learning models that can exploit this data. One of the main goals of the CA20108 cost action is to develop a knowledge portal that is fully compliant with the FAIR principles for scientific data management. In the first year, a bespoke knowle"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.05944","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/2304.05944/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":"2026-07-05T06:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t9T5h4GBW5d9lj2xOCOyqWVr91QG+DJ4s8g5AILHwYR7MUgrrB8gvQYVGRpWpDB+y90cr9rw6AJEP76Wzn5SCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:18:52.446173Z"},"content_sha256":"c2bc2c7539466ab8759293ba21fa26825db5fcb85ea03d2f825f1a29b17dc50d","schema_version":"1.0","event_id":"sha256:c2bc2c7539466ab8759293ba21fa26825db5fcb85ea03d2f825f1a29b17dc50d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CFYJ34UGP63NL5GBPQEJJ3IPZ2/bundle.json","state_url":"https://pith.science/pith/CFYJ34UGP63NL5GBPQEJJ3IPZ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CFYJ34UGP63NL5GBPQEJJ3IPZ2/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":"2026-08-03T19:18:52Z","links":{"resolver":"https://pith.science/pith/CFYJ34UGP63NL5GBPQEJJ3IPZ2","bundle":"https://pith.science/pith/CFYJ34UGP63NL5GBPQEJJ3IPZ2/bundle.json","state":"https://pith.science/pith/CFYJ34UGP63NL5GBPQEJJ3IPZ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CFYJ34UGP63NL5GBPQEJJ3IPZ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:CFYJ34UGP63NL5GBPQEJJ3IPZ2","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":"9aa032884b3ab3e502222f13cc270dd5733254869f1daa405d8faa8131d6958e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DL","submitted_at":"2023-04-12T16:09:52Z","title_canon_sha256":"98e36e619d7d89f147cfee814348cfbd0d84e2e4b9319b5af83d3310eef17bd5"},"schema_version":"1.0","source":{"id":"2304.05944","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.05944","created_at":"2026-07-05T06:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"2304.05944v1","created_at":"2026-07-05T06:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.05944","created_at":"2026-07-05T06:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"CFYJ34UGP63N","created_at":"2026-07-05T06:00:26Z"},{"alias_kind":"pith_short_16","alias_value":"CFYJ34UGP63NL5GB","created_at":"2026-07-05T06:00:26Z"},{"alias_kind":"pith_short_8","alias_value":"CFYJ34UG","created_at":"2026-07-05T06:00:26Z"}],"graph_snapshots":[{"event_id":"sha256:c2bc2c7539466ab8759293ba21fa26825db5fcb85ea03d2f825f1a29b17dc50d","target":"graph","created_at":"2026-07-05T06:00:26Z","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/2304.05944/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The development of a knowledge repository for climate science data is a multidisciplinary effort between the domain experts (climate scientists), data engineers whos skills include design and building a knowledge repository, and machine learning researchers who provide expertise on data preparation tasks such as gap filling and advise on different machine learning models that can exploit this data. One of the main goals of the CA20108 cost action is to develop a knowledge portal that is fully compliant with the FAIR principles for scientific data management. In the first year, a bespoke knowle","authors_text":"Branislava Lalic, Dragan Milosevic, Mark Roantree, Michael Scriney, Stevan Savic","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DL","submitted_at":"2023-04-12T16:09:52Z","title":"Constructing a Searchable Knowledge Repository for FAIR Climate Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.05944","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":"sha256:1e6516d6d99c0146f6d55ea94bbeaeb3af56171904c51c71ef469239ca4fd8c5","target":"record","created_at":"2026-07-05T06:00:26Z","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":"9aa032884b3ab3e502222f13cc270dd5733254869f1daa405d8faa8131d6958e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DL","submitted_at":"2023-04-12T16:09:52Z","title_canon_sha256":"98e36e619d7d89f147cfee814348cfbd0d84e2e4b9319b5af83d3310eef17bd5"},"schema_version":"1.0","source":{"id":"2304.05944","kind":"arxiv","version":1}},"canonical_sha256":"11709df2867fb6d5f4c17c0894ed0fceb8187fb82547c000801382c4e05f4902","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11709df2867fb6d5f4c17c0894ed0fceb8187fb82547c000801382c4e05f4902","first_computed_at":"2026-07-05T06:00:26.050065Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:00:26.050065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U84ix9/fc+OyIA7TU5NAnpVhH6V53OQoHx/AyMsr+poltNRa/xu/LBaexot4CwS/YQS/KdmkIohNsDVW0UTIAA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:00:26.050546Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.05944","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e6516d6d99c0146f6d55ea94bbeaeb3af56171904c51c71ef469239ca4fd8c5","sha256:c2bc2c7539466ab8759293ba21fa26825db5fcb85ea03d2f825f1a29b17dc50d"],"state_sha256":"a3277a44e9ebb085d360a00ab72f9b4417f69e77143f46f9d3f441027cf1f114"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mTbbHAPtiOxNIWVQ52Mz7vAeiz+k57Efvq1A+JAJRbAR1B6HaEG0eMwd3e6e+r7TV6lqpsR35q5HbUWTWKojAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:18:52.450217Z","bundle_sha256":"7315e9e9e92eca04fedcd25bab40e81531d4c4fc9ced542ae2edf7871dcf1580"}}