{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2PP557LRX5RRTCECGHHYFLOTUX","short_pith_number":"pith:2PP557LR","canonical_record":{"source":{"id":"2501.16831","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-01-28T10:21:49Z","cross_cats_sorted":[],"title_canon_sha256":"44b4296abf61828958efbc7548e8b65262a9a35df9b8e31fa2ed3020af6a8bb3","abstract_canon_sha256":"472b60a3b7d72012ac48964ace9ef87428e2ca143bca752c5bf288a853090160"},"schema_version":"1.0"},"canonical_sha256":"d3dfdefd71bf6319888231cf82add3a5ec6ae3e4d1c63735b09a3b3a6be71d61","source":{"kind":"arxiv","id":"2501.16831","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.16831","created_at":"2026-07-05T10:06:19Z"},{"alias_kind":"arxiv_version","alias_value":"2501.16831v1","created_at":"2026-07-05T10:06:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.16831","created_at":"2026-07-05T10:06:19Z"},{"alias_kind":"pith_short_12","alias_value":"2PP557LRX5RR","created_at":"2026-07-05T10:06:19Z"},{"alias_kind":"pith_short_16","alias_value":"2PP557LRX5RRTCEC","created_at":"2026-07-05T10:06:19Z"},{"alias_kind":"pith_short_8","alias_value":"2PP557LR","created_at":"2026-07-05T10:06:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2PP557LRX5RRTCECGHHYFLOTUX","target":"record","payload":{"canonical_record":{"source":{"id":"2501.16831","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-01-28T10:21:49Z","cross_cats_sorted":[],"title_canon_sha256":"44b4296abf61828958efbc7548e8b65262a9a35df9b8e31fa2ed3020af6a8bb3","abstract_canon_sha256":"472b60a3b7d72012ac48964ace9ef87428e2ca143bca752c5bf288a853090160"},"schema_version":"1.0"},"canonical_sha256":"d3dfdefd71bf6319888231cf82add3a5ec6ae3e4d1c63735b09a3b3a6be71d61","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:06:19.321140Z","signature_b64":"X9LriLO0rUPSpPY2W1SQtRx7TfQePq/h0dfxIWl324mb1F3Jxz+zcF5ff1iZcJ9oMFzaZKCPZTQhSlp2Z7H7Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3dfdefd71bf6319888231cf82add3a5ec6ae3e4d1c63735b09a3b3a6be71d61","last_reissued_at":"2026-07-05T10:06:19.320789Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:06:19.320789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.16831","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":"2026-07-05T10:06:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"siytlT9voIUkArewP5OCld86WtFhOijtO4LYeOK2sThm/nKwGkAVbvrY5zpqF4KxW+oEGIdLeWGXGMgoUXDIBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T10:17:05.419840Z"},"content_sha256":"6601607f8bb7d46fc76f2279a9983979770b87890f6d09f507d7f4cde71ebfa8","schema_version":"1.0","event_id":"sha256:6601607f8bb7d46fc76f2279a9983979770b87890f6d09f507d7f4cde71ebfa8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2PP557LRX5RRTCECGHHYFLOTUX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Data-Driven vs Traditional Approaches to Power Transformer's Top-Oil Temperature Estimation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Federica Bragone, Francis Tembo, Kateryna Morozovska, Matthieu Barreau, Tor Laneryd","submitted_at":"2025-01-28T10:21:49Z","abstract_excerpt":"Power transformers are subjected to electrical currents and temperature fluctuations that, if not properly controlled, can lead to major deterioration of their insulation system. Therefore, monitoring the temperature of a power transformer is fundamental to ensure a long-term operational life. Models presented in the IEC 60076-7 and IEEE standards, for example, monitor the temperature by calculating the top-oil and the hot-spot temperatures. However, these models are not very accurate and rely on the power transformers' properties. This paper focuses on finding an alternative method to predict"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.16831","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/2501.16831/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":"2026-07-05T10:06:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NsH2/LVwd6Hg4ZRv4GTFzNTn/IPWz7bwl8K8RiCvM34eH90sT5wrtjET3IEybX9kXHHoXMJh9qK5F+sg1MNBCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T10:17:05.420413Z"},"content_sha256":"7038e24f39fc8fafa87550d1e7034473c82546ffa7fc7f24ec9e2acf085fa45f","schema_version":"1.0","event_id":"sha256:7038e24f39fc8fafa87550d1e7034473c82546ffa7fc7f24ec9e2acf085fa45f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2PP557LRX5RRTCECGHHYFLOTUX/bundle.json","state_url":"https://pith.science/pith/2PP557LRX5RRTCECGHHYFLOTUX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2PP557LRX5RRTCECGHHYFLOTUX/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":"2026-08-20T10:17:05Z","links":{"resolver":"https://pith.science/pith/2PP557LRX5RRTCECGHHYFLOTUX","bundle":"https://pith.science/pith/2PP557LRX5RRTCECGHHYFLOTUX/bundle.json","state":"https://pith.science/pith/2PP557LRX5RRTCECGHHYFLOTUX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2PP557LRX5RRTCECGHHYFLOTUX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2PP557LRX5RRTCECGHHYFLOTUX","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":"472b60a3b7d72012ac48964ace9ef87428e2ca143bca752c5bf288a853090160","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-01-28T10:21:49Z","title_canon_sha256":"44b4296abf61828958efbc7548e8b65262a9a35df9b8e31fa2ed3020af6a8bb3"},"schema_version":"1.0","source":{"id":"2501.16831","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.16831","created_at":"2026-07-05T10:06:19Z"},{"alias_kind":"arxiv_version","alias_value":"2501.16831v1","created_at":"2026-07-05T10:06:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.16831","created_at":"2026-07-05T10:06:19Z"},{"alias_kind":"pith_short_12","alias_value":"2PP557LRX5RR","created_at":"2026-07-05T10:06:19Z"},{"alias_kind":"pith_short_16","alias_value":"2PP557LRX5RRTCEC","created_at":"2026-07-05T10:06:19Z"},{"alias_kind":"pith_short_8","alias_value":"2PP557LR","created_at":"2026-07-05T10:06:19Z"}],"graph_snapshots":[{"event_id":"sha256:7038e24f39fc8fafa87550d1e7034473c82546ffa7fc7f24ec9e2acf085fa45f","target":"graph","created_at":"2026-07-05T10:06:19Z","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/2501.16831/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Power transformers are subjected to electrical currents and temperature fluctuations that, if not properly controlled, can lead to major deterioration of their insulation system. Therefore, monitoring the temperature of a power transformer is fundamental to ensure a long-term operational life. Models presented in the IEC 60076-7 and IEEE standards, for example, monitor the temperature by calculating the top-oil and the hot-spot temperatures. However, these models are not very accurate and rely on the power transformers' properties. This paper focuses on finding an alternative method to predict","authors_text":"Federica Bragone, Francis Tembo, Kateryna Morozovska, Matthieu Barreau, Tor Laneryd","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-01-28T10:21:49Z","title":"Data-Driven vs Traditional Approaches to Power Transformer's Top-Oil Temperature Estimation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.16831","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":"sha256:6601607f8bb7d46fc76f2279a9983979770b87890f6d09f507d7f4cde71ebfa8","target":"record","created_at":"2026-07-05T10:06:19Z","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":"472b60a3b7d72012ac48964ace9ef87428e2ca143bca752c5bf288a853090160","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-01-28T10:21:49Z","title_canon_sha256":"44b4296abf61828958efbc7548e8b65262a9a35df9b8e31fa2ed3020af6a8bb3"},"schema_version":"1.0","source":{"id":"2501.16831","kind":"arxiv","version":1}},"canonical_sha256":"d3dfdefd71bf6319888231cf82add3a5ec6ae3e4d1c63735b09a3b3a6be71d61","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d3dfdefd71bf6319888231cf82add3a5ec6ae3e4d1c63735b09a3b3a6be71d61","first_computed_at":"2026-07-05T10:06:19.320789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:06:19.320789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X9LriLO0rUPSpPY2W1SQtRx7TfQePq/h0dfxIWl324mb1F3Jxz+zcF5ff1iZcJ9oMFzaZKCPZTQhSlp2Z7H7Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T10:06:19.321140Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.16831","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6601607f8bb7d46fc76f2279a9983979770b87890f6d09f507d7f4cde71ebfa8","sha256:7038e24f39fc8fafa87550d1e7034473c82546ffa7fc7f24ec9e2acf085fa45f"],"state_sha256":"9d56672d4cf8f2f3c6b6bbe4d6d4b9b7cd993f6130f6486e48ae1a417ae079a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7mtSH02DFV9u3AUSKxlR5Z8BYrrOvZDkCIIk2MlTXXZ1/9LXq4D5lUriirBFhx9JwyyyhlY7oZhEX+FOjVlDDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T10:17:05.424929Z","bundle_sha256":"2cc0c54526e71c07476dbe048e672b6f3595d31b6bb334e3f3a70c161f9c945a"}}