{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:FWEIOLLKWMCG75DSQR6P6KYSJB","short_pith_number":"pith:FWEIOLLK","canonical_record":{"source":{"id":"2501.10827","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2025-01-18T17:19:09Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"7403bf98eab81ca0068cf66990cffcdfbfa91c36e7a31c5571c38dfc5bf2e279","abstract_canon_sha256":"e6c2eaa5cbf2fbd7bfab09e04d4076a52dc26b43d3e401574947c6a6b51f1179"},"schema_version":"1.0"},"canonical_sha256":"2d88872d6ab3046ff472847cff2b124853fb3c718a323bdc2e1d033b27f96663","source":{"kind":"arxiv","id":"2501.10827","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.10827","created_at":"2026-07-05T10:02:33Z"},{"alias_kind":"arxiv_version","alias_value":"2501.10827v1","created_at":"2026-07-05T10:02:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.10827","created_at":"2026-07-05T10:02:33Z"},{"alias_kind":"pith_short_12","alias_value":"FWEIOLLKWMCG","created_at":"2026-07-05T10:02:33Z"},{"alias_kind":"pith_short_16","alias_value":"FWEIOLLKWMCG75DS","created_at":"2026-07-05T10:02:33Z"},{"alias_kind":"pith_short_8","alias_value":"FWEIOLLK","created_at":"2026-07-05T10:02:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:FWEIOLLKWMCG75DSQR6P6KYSJB","target":"record","payload":{"canonical_record":{"source":{"id":"2501.10827","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2025-01-18T17:19:09Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"7403bf98eab81ca0068cf66990cffcdfbfa91c36e7a31c5571c38dfc5bf2e279","abstract_canon_sha256":"e6c2eaa5cbf2fbd7bfab09e04d4076a52dc26b43d3e401574947c6a6b51f1179"},"schema_version":"1.0"},"canonical_sha256":"2d88872d6ab3046ff472847cff2b124853fb3c718a323bdc2e1d033b27f96663","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:02:33.841282Z","signature_b64":"o/EnuoJpiHJKD42sJ3hDbucpJFcCpVEMD/W/J8nYBlSto42zK4IJSQYZRoqluUNMh5gYgB6vdRGP9+wsCsE0Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d88872d6ab3046ff472847cff2b124853fb3c718a323bdc2e1d033b27f96663","last_reissued_at":"2026-07-05T10:02:33.840915Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:02:33.840915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.10827","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":"2026-07-05T10:02:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Z7spgv6U3h/wVvQD6AQ0aEKMcUb67P+xqyYKGRAwQGYJjXz7e7HxB9fUeDsWbH2PVTd9fmgtilTYUsLibPMCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T15:18:07.742890Z"},"content_sha256":"389222a2bf5fde4ee92683d485b41d6d6d97725bae3d7323ef1a08b15696243e","schema_version":"1.0","event_id":"sha256:389222a2bf5fde4ee92683d485b41d6d6d97725bae3d7323ef1a08b15696243e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:FWEIOLLKWMCG75DSQR6P6KYSJB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Integrating Expert and Physics Knowledge for Modeling Heat Load in District Heating Systems","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Francisco Souza, Geert Postma, Jeroen Jansen, Thom Badings","submitted_at":"2025-01-18T17:19:09Z","abstract_excerpt":"New residential neighborhoods are often supplied with heat via district heating systems (DHS). Improving the energy efficiency of a DHS is critical for increasing sustainability and satisfying user requirements. In this paper, we present HELIOS, a dedicated artificial intelligence (AI) model designed specifically for modeling the heat load in DHS. HELIOS leverages a combination of established physical principles and expert knowledge, resulting in superior performance compared to existing state-of-the-art models. HELIOS is explainable, enabling enhanced accountability and traceability in its pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.10827","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/2501.10827/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":"2026-07-05T10:02:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fmneW6gb8yiB5zhsjAxi/3T5avW5hDLkxk3O4jd4xuQkrk20avDDp7t8aCJ7qGzWbJMvxQDuIMd9gF75pjCqDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T15:18:07.743260Z"},"content_sha256":"a31ce694bb6da9acc1571ec61e8ad8dc06f5aa73044fd6d8f9c8d9d27560c342","schema_version":"1.0","event_id":"sha256:a31ce694bb6da9acc1571ec61e8ad8dc06f5aa73044fd6d8f9c8d9d27560c342"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FWEIOLLKWMCG75DSQR6P6KYSJB/bundle.json","state_url":"https://pith.science/pith/FWEIOLLKWMCG75DSQR6P6KYSJB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FWEIOLLKWMCG75DSQR6P6KYSJB/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":"2026-07-10T15:18:07Z","links":{"resolver":"https://pith.science/pith/FWEIOLLKWMCG75DSQR6P6KYSJB","bundle":"https://pith.science/pith/FWEIOLLKWMCG75DSQR6P6KYSJB/bundle.json","state":"https://pith.science/pith/FWEIOLLKWMCG75DSQR6P6KYSJB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FWEIOLLKWMCG75DSQR6P6KYSJB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:FWEIOLLKWMCG75DSQR6P6KYSJB","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":"e6c2eaa5cbf2fbd7bfab09e04d4076a52dc26b43d3e401574947c6a6b51f1179","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2025-01-18T17:19:09Z","title_canon_sha256":"7403bf98eab81ca0068cf66990cffcdfbfa91c36e7a31c5571c38dfc5bf2e279"},"schema_version":"1.0","source":{"id":"2501.10827","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.10827","created_at":"2026-07-05T10:02:33Z"},{"alias_kind":"arxiv_version","alias_value":"2501.10827v1","created_at":"2026-07-05T10:02:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.10827","created_at":"2026-07-05T10:02:33Z"},{"alias_kind":"pith_short_12","alias_value":"FWEIOLLKWMCG","created_at":"2026-07-05T10:02:33Z"},{"alias_kind":"pith_short_16","alias_value":"FWEIOLLKWMCG75DS","created_at":"2026-07-05T10:02:33Z"},{"alias_kind":"pith_short_8","alias_value":"FWEIOLLK","created_at":"2026-07-05T10:02:33Z"}],"graph_snapshots":[{"event_id":"sha256:a31ce694bb6da9acc1571ec61e8ad8dc06f5aa73044fd6d8f9c8d9d27560c342","target":"graph","created_at":"2026-07-05T10:02:33Z","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/2501.10827/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"New residential neighborhoods are often supplied with heat via district heating systems (DHS). Improving the energy efficiency of a DHS is critical for increasing sustainability and satisfying user requirements. In this paper, we present HELIOS, a dedicated artificial intelligence (AI) model designed specifically for modeling the heat load in DHS. HELIOS leverages a combination of established physical principles and expert knowledge, resulting in superior performance compared to existing state-of-the-art models. HELIOS is explainable, enabling enhanced accountability and traceability in its pr","authors_text":"Francisco Souza, Geert Postma, Jeroen Jansen, Thom Badings","cross_cats":["cs.SY"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2025-01-18T17:19:09Z","title":"Integrating Expert and Physics Knowledge for Modeling Heat Load in District Heating Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.10827","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":"sha256:389222a2bf5fde4ee92683d485b41d6d6d97725bae3d7323ef1a08b15696243e","target":"record","created_at":"2026-07-05T10:02:33Z","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":"e6c2eaa5cbf2fbd7bfab09e04d4076a52dc26b43d3e401574947c6a6b51f1179","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2025-01-18T17:19:09Z","title_canon_sha256":"7403bf98eab81ca0068cf66990cffcdfbfa91c36e7a31c5571c38dfc5bf2e279"},"schema_version":"1.0","source":{"id":"2501.10827","kind":"arxiv","version":1}},"canonical_sha256":"2d88872d6ab3046ff472847cff2b124853fb3c718a323bdc2e1d033b27f96663","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2d88872d6ab3046ff472847cff2b124853fb3c718a323bdc2e1d033b27f96663","first_computed_at":"2026-07-05T10:02:33.840915Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:02:33.840915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o/EnuoJpiHJKD42sJ3hDbucpJFcCpVEMD/W/J8nYBlSto42zK4IJSQYZRoqluUNMh5gYgB6vdRGP9+wsCsE0Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:02:33.841282Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.10827","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:389222a2bf5fde4ee92683d485b41d6d6d97725bae3d7323ef1a08b15696243e","sha256:a31ce694bb6da9acc1571ec61e8ad8dc06f5aa73044fd6d8f9c8d9d27560c342"],"state_sha256":"1970b90ad579f256a015afcdc67c01d568f83034cd64b4b33a139b6e81321729"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PvoamOLSh8aL7KuOvgp3PkYXjms8EsQI9UVeo5MzH60j9G9DkDf/eMJAxSBTJ5N0358mkxRhbDfnP2L2pCTQAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T15:18:07.745277Z","bundle_sha256":"134e5870563c4d7a7f406694c4e7eb832c637dadd34b813604fb6be957eab051"}}