{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:NE74L2AHUHXQFQUS55Y7YRE4SI","short_pith_number":"pith:NE74L2AH","canonical_record":{"source":{"id":"2605.16310","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2026-05-04T09:17:35Z","cross_cats_sorted":[],"title_canon_sha256":"e5233976160b1d6f62294449159d2f1eeca45bfa468951c5fd295db1ae1101eb","abstract_canon_sha256":"ebb8aa7d112d8b675945e7c31eaf2aa4ec354f074705b9275e1d0970be391068"},"schema_version":"1.0"},"canonical_sha256":"693fc5e807a1ef02c292ef71fc449c921b88f3d58e0ca02ed3a2b4b2eda854de","source":{"kind":"arxiv","id":"2605.16310","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.16310","created_at":"2026-05-20T00:02:16Z"},{"alias_kind":"arxiv_version","alias_value":"2605.16310v1","created_at":"2026-05-20T00:02:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.16310","created_at":"2026-05-20T00:02:16Z"},{"alias_kind":"pith_short_12","alias_value":"NE74L2AHUHXQ","created_at":"2026-05-20T00:02:16Z"},{"alias_kind":"pith_short_16","alias_value":"NE74L2AHUHXQFQUS","created_at":"2026-05-20T00:02:16Z"},{"alias_kind":"pith_short_8","alias_value":"NE74L2AH","created_at":"2026-05-20T00:02:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:NE74L2AHUHXQFQUS55Y7YRE4SI","target":"record","payload":{"canonical_record":{"source":{"id":"2605.16310","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2026-05-04T09:17:35Z","cross_cats_sorted":[],"title_canon_sha256":"e5233976160b1d6f62294449159d2f1eeca45bfa468951c5fd295db1ae1101eb","abstract_canon_sha256":"ebb8aa7d112d8b675945e7c31eaf2aa4ec354f074705b9275e1d0970be391068"},"schema_version":"1.0"},"canonical_sha256":"693fc5e807a1ef02c292ef71fc449c921b88f3d58e0ca02ed3a2b4b2eda854de","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:02:16.468514Z","signature_b64":"92z1aonOB07JcVVuNY8DJWPvbonaZDBWnPR0cRGG3C2Qsow6luG4RZCaBTBd6qklyuqfZN7TAzp6nCbo4OtpCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"693fc5e807a1ef02c292ef71fc449c921b88f3d58e0ca02ed3a2b4b2eda854de","last_reissued_at":"2026-05-20T00:02:16.467727Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:02:16.467727Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.16310","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":"2026-05-20T00:02:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8FWdOuVmWaFCfBg21QLRuCYmGhwCP5SwtWcshLF0/kA71E51lnXjKCLypA0zk97FBEe7JsmcFMK4wEn0tv0dCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T12:40:45.420373Z"},"content_sha256":"dd1bc9af28c9a38e26b7b4c69fc515908dfd77ba82c014b2181f55c030c67abf","schema_version":"1.0","event_id":"sha256:dd1bc9af28c9a38e26b7b4c69fc515908dfd77ba82c014b2181f55c030c67abf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:NE74L2AHUHXQFQUS55Y7YRE4SI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Perturbative Analytical Framework for Thermal Wave Diffusion in Non-linear Building Envelopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CE","authors_text":"Corentin Guigot (LINEACT)","submitted_at":"2026-05-04T09:17:35Z","abstract_excerpt":"Model Predictive Control (MPC) in building energy management requires transient thermal models balancing thermodynamic accuracy with computational efficiency. Standard spatial discretization triggers state-space inflation, paralyzing real-time solvers, while analytical Transfer Matrix Methods (TMM) suffer from high-frequency numerical overflow and assume material homogeneity.  This paper introduces a frequency-domain framework based on the continuous spatial Riccati equation. A recursive admittance mapping strictly bounds exponential growth, preventing numerical instability. Regular perturbati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.16310","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/2605.16310/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":"2026-05-20T00:02:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f/tyi1ANu0Mu6Fh5nqUDapAZrnKlI1KHw1LTRgtTofSNVWYA3nD50mW+99m5Xybilfq2F3ke//uEykiV/dKkAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T12:40:45.421183Z"},"content_sha256":"1524cba8663c5981cac6e65f512aa658781cc76cb267ee01e401d8e713c79471","schema_version":"1.0","event_id":"sha256:1524cba8663c5981cac6e65f512aa658781cc76cb267ee01e401d8e713c79471"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NE74L2AHUHXQFQUS55Y7YRE4SI/bundle.json","state_url":"https://pith.science/pith/NE74L2AHUHXQFQUS55Y7YRE4SI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NE74L2AHUHXQFQUS55Y7YRE4SI/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":"2026-06-10T12:40:45Z","links":{"resolver":"https://pith.science/pith/NE74L2AHUHXQFQUS55Y7YRE4SI","bundle":"https://pith.science/pith/NE74L2AHUHXQFQUS55Y7YRE4SI/bundle.json","state":"https://pith.science/pith/NE74L2AHUHXQFQUS55Y7YRE4SI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NE74L2AHUHXQFQUS55Y7YRE4SI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NE74L2AHUHXQFQUS55Y7YRE4SI","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":"ebb8aa7d112d8b675945e7c31eaf2aa4ec354f074705b9275e1d0970be391068","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2026-05-04T09:17:35Z","title_canon_sha256":"e5233976160b1d6f62294449159d2f1eeca45bfa468951c5fd295db1ae1101eb"},"schema_version":"1.0","source":{"id":"2605.16310","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.16310","created_at":"2026-05-20T00:02:16Z"},{"alias_kind":"arxiv_version","alias_value":"2605.16310v1","created_at":"2026-05-20T00:02:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.16310","created_at":"2026-05-20T00:02:16Z"},{"alias_kind":"pith_short_12","alias_value":"NE74L2AHUHXQ","created_at":"2026-05-20T00:02:16Z"},{"alias_kind":"pith_short_16","alias_value":"NE74L2AHUHXQFQUS","created_at":"2026-05-20T00:02:16Z"},{"alias_kind":"pith_short_8","alias_value":"NE74L2AH","created_at":"2026-05-20T00:02:16Z"}],"graph_snapshots":[{"event_id":"sha256:1524cba8663c5981cac6e65f512aa658781cc76cb267ee01e401d8e713c79471","target":"graph","created_at":"2026-05-20T00:02:16Z","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/2605.16310/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Model Predictive Control (MPC) in building energy management requires transient thermal models balancing thermodynamic accuracy with computational efficiency. Standard spatial discretization triggers state-space inflation, paralyzing real-time solvers, while analytical Transfer Matrix Methods (TMM) suffer from high-frequency numerical overflow and assume material homogeneity.  This paper introduces a frequency-domain framework based on the continuous spatial Riccati equation. A recursive admittance mapping strictly bounds exponential growth, preventing numerical instability. Regular perturbati","authors_text":"Corentin Guigot (LINEACT)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2026-05-04T09:17:35Z","title":"Perturbative Analytical Framework for Thermal Wave Diffusion in Non-linear Building Envelopes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.16310","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:dd1bc9af28c9a38e26b7b4c69fc515908dfd77ba82c014b2181f55c030c67abf","target":"record","created_at":"2026-05-20T00:02:16Z","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":"ebb8aa7d112d8b675945e7c31eaf2aa4ec354f074705b9275e1d0970be391068","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2026-05-04T09:17:35Z","title_canon_sha256":"e5233976160b1d6f62294449159d2f1eeca45bfa468951c5fd295db1ae1101eb"},"schema_version":"1.0","source":{"id":"2605.16310","kind":"arxiv","version":1}},"canonical_sha256":"693fc5e807a1ef02c292ef71fc449c921b88f3d58e0ca02ed3a2b4b2eda854de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"693fc5e807a1ef02c292ef71fc449c921b88f3d58e0ca02ed3a2b4b2eda854de","first_computed_at":"2026-05-20T00:02:16.467727Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:02:16.467727Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"92z1aonOB07JcVVuNY8DJWPvbonaZDBWnPR0cRGG3C2Qsow6luG4RZCaBTBd6qklyuqfZN7TAzp6nCbo4OtpCw==","signature_status":"signed_v1","signed_at":"2026-05-20T00:02:16.468514Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.16310","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd1bc9af28c9a38e26b7b4c69fc515908dfd77ba82c014b2181f55c030c67abf","sha256:1524cba8663c5981cac6e65f512aa658781cc76cb267ee01e401d8e713c79471"],"state_sha256":"3c2d397624a87421627b4afde286c74982c993820ee000206831aad8e49d3c60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X0Ci2IvZUAxpd7xZWTMctgA58FSeAQFxJ71yLd0QnbEUIId0RJ6ZFfnrdJoqigqLolovx4w8yYOmiScevaLfDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T12:40:45.425786Z","bundle_sha256":"8b71be78dc6e6aadedc284aac17e76bd74ec2ed26ee1a28621582e0c6a008815"}}