{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:SXWHMQ4ZGCL3F3ESTKYKXZPT6D","short_pith_number":"pith:SXWHMQ4Z","canonical_record":{"source":{"id":"1312.2629","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.SY","submitted_at":"2013-12-10T00:11:50Z","cross_cats_sorted":[],"title_canon_sha256":"e039fb278c89c26171fa02b0347233cd3e06f26bf24667f620bd628fed52d6c8","abstract_canon_sha256":"267068b34607f68e5f317b5e3b0f200050667c5a8ef21f8968cd422d1a949416"},"schema_version":"1.0"},"canonical_sha256":"95ec7643993097b2ec929ab0abe5f3f0eae8cba72f5b98ddcd14e92aa580e8c7","source":{"kind":"arxiv","id":"1312.2629","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.2629","created_at":"2026-05-18T03:05:09Z"},{"alias_kind":"arxiv_version","alias_value":"1312.2629v1","created_at":"2026-05-18T03:05:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.2629","created_at":"2026-05-18T03:05:09Z"},{"alias_kind":"pith_short_12","alias_value":"SXWHMQ4ZGCL3","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SXWHMQ4ZGCL3F3ES","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SXWHMQ4Z","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:SXWHMQ4ZGCL3F3ESTKYKXZPT6D","target":"record","payload":{"canonical_record":{"source":{"id":"1312.2629","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.SY","submitted_at":"2013-12-10T00:11:50Z","cross_cats_sorted":[],"title_canon_sha256":"e039fb278c89c26171fa02b0347233cd3e06f26bf24667f620bd628fed52d6c8","abstract_canon_sha256":"267068b34607f68e5f317b5e3b0f200050667c5a8ef21f8968cd422d1a949416"},"schema_version":"1.0"},"canonical_sha256":"95ec7643993097b2ec929ab0abe5f3f0eae8cba72f5b98ddcd14e92aa580e8c7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:05:09.382111Z","signature_b64":"+tH+hWZITnJRFGvrWoWundQRWhp+bv7+xd3BAL94mMydu2RZf2g8OZ+PECPsaX4YN/OXFGMOpvKPoyA1jT/KAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95ec7643993097b2ec929ab0abe5f3f0eae8cba72f5b98ddcd14e92aa580e8c7","last_reissued_at":"2026-05-18T03:05:09.381682Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:05:09.381682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.2629","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":"2026-05-18T03:05:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dU3dy8aA/t5E4xRyK/kDm2xil8M9RuoezG4wBKqyrKwheEXq5e10B5xye/yrLHcrV8/ymD6mLQSKfWkn+2b9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:07:59.301720Z"},"content_sha256":"5f46d76919b87e1e5c8b0ef8d0073c8fbadc741b66ab1c95bc90e4e43ae669e8","schema_version":"1.0","event_id":"sha256:5f46d76919b87e1e5c8b0ef8d0073c8fbadc741b66ab1c95bc90e4e43ae669e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:SXWHMQ4ZGCL3F3ESTKYKXZPT6D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sense, Model and Identify the Load Signatures of HVAC Systems in Metro Stations","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Haoran Feng, Xiangyu Xi, Yongcai Wang","submitted_at":"2013-12-10T00:11:50Z","abstract_excerpt":"The HVAC systems in subway stations are energy consuming giants, each of which may consume over 10, 000 Kilowatts per day for cooling and ventilation. To save energy for the HVAC systems, it is critically important to firstly know the \"load signatures\" of the HVAC system, i.e., the quantity of heat imported from the outdoor environments and by the passengers respectively in different periods of a day, which will significantly benefit the design of control policies. In this paper, we present a novel sensing and learning approach to identify the load signature of the HVAC system in the subway st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.2629","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":"2026-05-18T03:05:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3owHtrWu+tNZE1iGkfCAuaNRr2a0lU9XYZkK4+lt6KDglBaAz2338nwSOxvVERKX8V1+doDUXIwwebehYeeCAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:07:59.302059Z"},"content_sha256":"5070e2e4684bee3dddaece312c8f11fd2a58f77337c4e7c19730827be772491e","schema_version":"1.0","event_id":"sha256:5070e2e4684bee3dddaece312c8f11fd2a58f77337c4e7c19730827be772491e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SXWHMQ4ZGCL3F3ESTKYKXZPT6D/bundle.json","state_url":"https://pith.science/pith/SXWHMQ4ZGCL3F3ESTKYKXZPT6D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SXWHMQ4ZGCL3F3ESTKYKXZPT6D/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":"2026-06-02T13:07:59Z","links":{"resolver":"https://pith.science/pith/SXWHMQ4ZGCL3F3ESTKYKXZPT6D","bundle":"https://pith.science/pith/SXWHMQ4ZGCL3F3ESTKYKXZPT6D/bundle.json","state":"https://pith.science/pith/SXWHMQ4ZGCL3F3ESTKYKXZPT6D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SXWHMQ4ZGCL3F3ESTKYKXZPT6D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:SXWHMQ4ZGCL3F3ESTKYKXZPT6D","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":"267068b34607f68e5f317b5e3b0f200050667c5a8ef21f8968cd422d1a949416","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.SY","submitted_at":"2013-12-10T00:11:50Z","title_canon_sha256":"e039fb278c89c26171fa02b0347233cd3e06f26bf24667f620bd628fed52d6c8"},"schema_version":"1.0","source":{"id":"1312.2629","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.2629","created_at":"2026-05-18T03:05:09Z"},{"alias_kind":"arxiv_version","alias_value":"1312.2629v1","created_at":"2026-05-18T03:05:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.2629","created_at":"2026-05-18T03:05:09Z"},{"alias_kind":"pith_short_12","alias_value":"SXWHMQ4ZGCL3","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SXWHMQ4ZGCL3F3ES","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SXWHMQ4Z","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:5070e2e4684bee3dddaece312c8f11fd2a58f77337c4e7c19730827be772491e","target":"graph","created_at":"2026-05-18T03:05:09Z","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 HVAC systems in subway stations are energy consuming giants, each of which may consume over 10, 000 Kilowatts per day for cooling and ventilation. To save energy for the HVAC systems, it is critically important to firstly know the \"load signatures\" of the HVAC system, i.e., the quantity of heat imported from the outdoor environments and by the passengers respectively in different periods of a day, which will significantly benefit the design of control policies. In this paper, we present a novel sensing and learning approach to identify the load signature of the HVAC system in the subway st","authors_text":"Haoran Feng, Xiangyu Xi, Yongcai Wang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.SY","submitted_at":"2013-12-10T00:11:50Z","title":"Sense, Model and Identify the Load Signatures of HVAC Systems in Metro Stations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.2629","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":"sha256:5f46d76919b87e1e5c8b0ef8d0073c8fbadc741b66ab1c95bc90e4e43ae669e8","target":"record","created_at":"2026-05-18T03:05:09Z","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":"267068b34607f68e5f317b5e3b0f200050667c5a8ef21f8968cd422d1a949416","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cs.SY","submitted_at":"2013-12-10T00:11:50Z","title_canon_sha256":"e039fb278c89c26171fa02b0347233cd3e06f26bf24667f620bd628fed52d6c8"},"schema_version":"1.0","source":{"id":"1312.2629","kind":"arxiv","version":1}},"canonical_sha256":"95ec7643993097b2ec929ab0abe5f3f0eae8cba72f5b98ddcd14e92aa580e8c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95ec7643993097b2ec929ab0abe5f3f0eae8cba72f5b98ddcd14e92aa580e8c7","first_computed_at":"2026-05-18T03:05:09.381682Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:05:09.381682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+tH+hWZITnJRFGvrWoWundQRWhp+bv7+xd3BAL94mMydu2RZf2g8OZ+PECPsaX4YN/OXFGMOpvKPoyA1jT/KAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:05:09.382111Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.2629","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f46d76919b87e1e5c8b0ef8d0073c8fbadc741b66ab1c95bc90e4e43ae669e8","sha256:5070e2e4684bee3dddaece312c8f11fd2a58f77337c4e7c19730827be772491e"],"state_sha256":"fdfe10e415048101cbd5b6f5eb79b758082ace9f0cf9e0c2a3f0cc1386f624e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zbbw/JjExvJzrv8CHkOrbjt8fl8M1ntWOek+cvIirNt2RCh9wtgpZBAowMFgLjS3x4MzJSih6IEnedfE6R26Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T13:07:59.303915Z","bundle_sha256":"424580f14d82dcee24661c3faa80653841632f8ea5cfe17caf63d23ce3004482"}}