{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QLB455QXJKE4VUK5OXLJ6PHNQB","short_pith_number":"pith:QLB455QX","canonical_record":{"source":{"id":"1902.06866","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2019-02-19T02:42:54Z","cross_cats_sorted":[],"title_canon_sha256":"f18ca55d512930f167cf6da6f28bba8050f41a2610038c2ccb5b23f0a23e9159","abstract_canon_sha256":"f40b6f7bc8d5042fcc7ab8c6fe8adee99b1bff3e8fd41b781759ae9f733dc018"},"schema_version":"1.0"},"canonical_sha256":"82c3cef6174a89cad15d75d69f3ced8075b3b5c1adcd9ca59d5371d6af0cab32","source":{"kind":"arxiv","id":"1902.06866","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.06866","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"arxiv_version","alias_value":"1902.06866v1","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.06866","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"pith_short_12","alias_value":"QLB455QXJKE4","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QLB455QXJKE4VUK5","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QLB455QX","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QLB455QXJKE4VUK5OXLJ6PHNQB","target":"record","payload":{"canonical_record":{"source":{"id":"1902.06866","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2019-02-19T02:42:54Z","cross_cats_sorted":[],"title_canon_sha256":"f18ca55d512930f167cf6da6f28bba8050f41a2610038c2ccb5b23f0a23e9159","abstract_canon_sha256":"f40b6f7bc8d5042fcc7ab8c6fe8adee99b1bff3e8fd41b781759ae9f733dc018"},"schema_version":"1.0"},"canonical_sha256":"82c3cef6174a89cad15d75d69f3ced8075b3b5c1adcd9ca59d5371d6af0cab32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:40.580065Z","signature_b64":"jvX+G4El7h35Ejh7xqDMgoOy31XWZptzQxVTiqyGTiAhCpDbH+gf31TF/ZNnG9vMONWisirS+P4jgfal+tU2BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82c3cef6174a89cad15d75d69f3ced8075b3b5c1adcd9ca59d5371d6af0cab32","last_reissued_at":"2026-05-17T23:53:40.579583Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:40.579583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.06866","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":"2026-05-17T23:53:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wZiI/a1muS8e4AHVATU3iTP+U4HIeA8E5tt27SpjQV18hj95n3YntFv+92SPpO3/Y1DmPsqMUnmzHb81kSDbBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T20:43:56.910620Z"},"content_sha256":"0460ba3f79e0e9849c267b12da33c49e02bf77f04bc15c2a044e027e55fa0de5","schema_version":"1.0","event_id":"sha256:0460ba3f79e0e9849c267b12da33c49e02bf77f04bc15c2a044e027e55fa0de5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QLB455QXJKE4VUK5OXLJ6PHNQB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Markov Process Approach to Ensemble Control of Smart Buildings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Ali Hassan, Kenneth Bruninx, Michael Chertkov, Roman Pop, Yury Dvorkin","submitted_at":"2019-02-19T02:42:54Z","abstract_excerpt":"This paper describes a step-by-step procedure that converts a physical model of a building into a Markov Process that characterizes energy consumption of this and other similar buildings. Relative to existing thermo-physics-based building models, the proposed procedure reduces model complexity and depends on fewer parameters, while also maintaining accuracy and feasibility sufficient for system-level analyses. Furthermore, the proposed Markov Process approach makes it possible to leverage real-time data streams available from intelligent data acquisition systems, which are readily available in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.06866","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":"2026-05-17T23:53:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8IfzN2z3PbXKH73f10ZaheJNkPzITOb01+H+Cu2Q8ZoS4jTJDvYleEFlCFwoJhZr6tBtSKVL7NoHViDPuFxQCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T20:43:56.910997Z"},"content_sha256":"d5f05916ea49fc6324a7159f8d7f8395791b08712c56c9163aa9cd13276cd16e","schema_version":"1.0","event_id":"sha256:d5f05916ea49fc6324a7159f8d7f8395791b08712c56c9163aa9cd13276cd16e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QLB455QXJKE4VUK5OXLJ6PHNQB/bundle.json","state_url":"https://pith.science/pith/QLB455QXJKE4VUK5OXLJ6PHNQB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QLB455QXJKE4VUK5OXLJ6PHNQB/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":"2026-06-03T20:43:56Z","links":{"resolver":"https://pith.science/pith/QLB455QXJKE4VUK5OXLJ6PHNQB","bundle":"https://pith.science/pith/QLB455QXJKE4VUK5OXLJ6PHNQB/bundle.json","state":"https://pith.science/pith/QLB455QXJKE4VUK5OXLJ6PHNQB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QLB455QXJKE4VUK5OXLJ6PHNQB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QLB455QXJKE4VUK5OXLJ6PHNQB","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":"f40b6f7bc8d5042fcc7ab8c6fe8adee99b1bff3e8fd41b781759ae9f733dc018","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2019-02-19T02:42:54Z","title_canon_sha256":"f18ca55d512930f167cf6da6f28bba8050f41a2610038c2ccb5b23f0a23e9159"},"schema_version":"1.0","source":{"id":"1902.06866","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.06866","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"arxiv_version","alias_value":"1902.06866v1","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.06866","created_at":"2026-05-17T23:53:40Z"},{"alias_kind":"pith_short_12","alias_value":"QLB455QXJKE4","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QLB455QXJKE4VUK5","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QLB455QX","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:d5f05916ea49fc6324a7159f8d7f8395791b08712c56c9163aa9cd13276cd16e","target":"graph","created_at":"2026-05-17T23:53:40Z","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":"This paper describes a step-by-step procedure that converts a physical model of a building into a Markov Process that characterizes energy consumption of this and other similar buildings. Relative to existing thermo-physics-based building models, the proposed procedure reduces model complexity and depends on fewer parameters, while also maintaining accuracy and feasibility sufficient for system-level analyses. Furthermore, the proposed Markov Process approach makes it possible to leverage real-time data streams available from intelligent data acquisition systems, which are readily available in","authors_text":"Ali Hassan, Kenneth Bruninx, Michael Chertkov, Roman Pop, Yury Dvorkin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2019-02-19T02:42:54Z","title":"A Markov Process Approach to Ensemble Control of Smart Buildings"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.06866","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":"sha256:0460ba3f79e0e9849c267b12da33c49e02bf77f04bc15c2a044e027e55fa0de5","target":"record","created_at":"2026-05-17T23:53:40Z","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":"f40b6f7bc8d5042fcc7ab8c6fe8adee99b1bff3e8fd41b781759ae9f733dc018","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2019-02-19T02:42:54Z","title_canon_sha256":"f18ca55d512930f167cf6da6f28bba8050f41a2610038c2ccb5b23f0a23e9159"},"schema_version":"1.0","source":{"id":"1902.06866","kind":"arxiv","version":1}},"canonical_sha256":"82c3cef6174a89cad15d75d69f3ced8075b3b5c1adcd9ca59d5371d6af0cab32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82c3cef6174a89cad15d75d69f3ced8075b3b5c1adcd9ca59d5371d6af0cab32","first_computed_at":"2026-05-17T23:53:40.579583Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:40.579583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jvX+G4El7h35Ejh7xqDMgoOy31XWZptzQxVTiqyGTiAhCpDbH+gf31TF/ZNnG9vMONWisirS+P4jgfal+tU2BA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:40.580065Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.06866","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0460ba3f79e0e9849c267b12da33c49e02bf77f04bc15c2a044e027e55fa0de5","sha256:d5f05916ea49fc6324a7159f8d7f8395791b08712c56c9163aa9cd13276cd16e"],"state_sha256":"9f82f3d6e00b4b914862f5dd4eb0e97de7eec73e01e76b68cd3d31d048dd4cbc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IiZxYqsWZXVCbSnKDv6Fhckx0xlXfXoqWC86VCm45Q45qRVs7ysaUEz3/mI/3LmiRp+s6JsdbGPoAtRKnAppBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T20:43:56.913404Z","bundle_sha256":"f8d83664f3e041d3a5feb739a08425bb95e0a00b11845bbe532aada82a96e615"}}