{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:7QBBR2MKJ7OM5O6646REDRTI5G","short_pith_number":"pith:7QBBR2MK","canonical_record":{"source":{"id":"1212.5249","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-12-18T07:25:58Z","cross_cats_sorted":[],"title_canon_sha256":"2c04b513f1c4b889a2e9e0886032aedb14d782a4dc7c15e5efe56d19309e1102","abstract_canon_sha256":"d2762a7a30694a95e064e52565e697a783622230be58224107d9590ce9cd6e50"},"schema_version":"1.0"},"canonical_sha256":"fc0218e98a4fdccebbdee7a241c668e9a5d8089579a55800aba6964b22b31b96","source":{"kind":"arxiv","id":"1212.5249","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.5249","created_at":"2026-05-18T03:38:02Z"},{"alias_kind":"arxiv_version","alias_value":"1212.5249v1","created_at":"2026-05-18T03:38:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.5249","created_at":"2026-05-18T03:38:02Z"},{"alias_kind":"pith_short_12","alias_value":"7QBBR2MKJ7OM","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"7QBBR2MKJ7OM5O66","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"7QBBR2MK","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:7QBBR2MKJ7OM5O6646REDRTI5G","target":"record","payload":{"canonical_record":{"source":{"id":"1212.5249","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-12-18T07:25:58Z","cross_cats_sorted":[],"title_canon_sha256":"2c04b513f1c4b889a2e9e0886032aedb14d782a4dc7c15e5efe56d19309e1102","abstract_canon_sha256":"d2762a7a30694a95e064e52565e697a783622230be58224107d9590ce9cd6e50"},"schema_version":"1.0"},"canonical_sha256":"fc0218e98a4fdccebbdee7a241c668e9a5d8089579a55800aba6964b22b31b96","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:38:02.396209Z","signature_b64":"viZixgYV+QiPzJSVabatFNKVE1yohIq+WG9GaWfmeqRaHP2X1uPfmAJqMxUmGnQXnqE5rTeeP27M3y4r6CeGCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc0218e98a4fdccebbdee7a241c668e9a5d8089579a55800aba6964b22b31b96","last_reissued_at":"2026-05-18T03:38:02.395596Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:38:02.395596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.5249","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":"2026-05-18T03:38:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1JZco/1xV9W5GJfjRWCLhX8H4FOtTEXlknDo/iU91xNA0ic558hN8g/r/5eMq/OFHdpCNB1VD47ALwowqmsVAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T02:23:09.964173Z"},"content_sha256":"4c00f2babafe5373aeb37440ce5b5f2c844724fb26838c815b69bb6222537f6f","schema_version":"1.0","event_id":"sha256:4c00f2babafe5373aeb37440ce5b5f2c844724fb26838c815b69bb6222537f6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:7QBBR2MKJ7OM5O6646REDRTI5G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy, cost, and CO 2 emission comparison between radiant wall panel systems and radiator systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"Dragan Cvetkovi\\'c, Harry Boyer (PIMENT), Jovan Male\\v{s}evi\\'c, Marko Mileti\\'c, Milorad Boji\\'c","submitted_at":"2012-12-18T07:25:58Z","abstract_excerpt":"The main goal of this paper is to evaluate the possibility of application or replacement of radiators with low-temperature radiant panels. This paper shows the comparison results of operations of 4 space heating systems: the low-temperature radiant panel system without any additional thermal insulation of external walls (PH-WOI), the low-temperature radiant panel system with additional thermal insulation of external walls (PH-WI), the radiator system without any additional thermal insulation of external walls (the classical heating system) (RH-WOI), and the radiator system with additional ther"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.5249","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":"2026-05-18T03:38:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uCPTi6vzcO0MNgtGtdsmJ8BU/KFfbvzyYSnpgBPB4Fs9WaC3/n9WSKJIkcp2cka5tu8Sdaq/KYrC1eVC8q05AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T02:23:09.964541Z"},"content_sha256":"4e992fcd675a9d547e8734d57d663900ffa3a0e9198730e6551e005c9108905b","schema_version":"1.0","event_id":"sha256:4e992fcd675a9d547e8734d57d663900ffa3a0e9198730e6551e005c9108905b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7QBBR2MKJ7OM5O6646REDRTI5G/bundle.json","state_url":"https://pith.science/pith/7QBBR2MKJ7OM5O6646REDRTI5G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7QBBR2MKJ7OM5O6646REDRTI5G/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":"2026-07-01T02:23:09Z","links":{"resolver":"https://pith.science/pith/7QBBR2MKJ7OM5O6646REDRTI5G","bundle":"https://pith.science/pith/7QBBR2MKJ7OM5O6646REDRTI5G/bundle.json","state":"https://pith.science/pith/7QBBR2MKJ7OM5O6646REDRTI5G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7QBBR2MKJ7OM5O6646REDRTI5G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:7QBBR2MKJ7OM5O6646REDRTI5G","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":"d2762a7a30694a95e064e52565e697a783622230be58224107d9590ce9cd6e50","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-12-18T07:25:58Z","title_canon_sha256":"2c04b513f1c4b889a2e9e0886032aedb14d782a4dc7c15e5efe56d19309e1102"},"schema_version":"1.0","source":{"id":"1212.5249","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.5249","created_at":"2026-05-18T03:38:02Z"},{"alias_kind":"arxiv_version","alias_value":"1212.5249v1","created_at":"2026-05-18T03:38:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.5249","created_at":"2026-05-18T03:38:02Z"},{"alias_kind":"pith_short_12","alias_value":"7QBBR2MKJ7OM","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"7QBBR2MKJ7OM5O66","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"7QBBR2MK","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:4e992fcd675a9d547e8734d57d663900ffa3a0e9198730e6551e005c9108905b","target":"graph","created_at":"2026-05-18T03:38:02Z","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 main goal of this paper is to evaluate the possibility of application or replacement of radiators with low-temperature radiant panels. This paper shows the comparison results of operations of 4 space heating systems: the low-temperature radiant panel system without any additional thermal insulation of external walls (PH-WOI), the low-temperature radiant panel system with additional thermal insulation of external walls (PH-WI), the radiator system without any additional thermal insulation of external walls (the classical heating system) (RH-WOI), and the radiator system with additional ther","authors_text":"Dragan Cvetkovi\\'c, Harry Boyer (PIMENT), Jovan Male\\v{s}evi\\'c, Marko Mileti\\'c, Milorad Boji\\'c","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-12-18T07:25:58Z","title":"Energy, cost, and CO 2 emission comparison between radiant wall panel systems and radiator systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.5249","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":"sha256:4c00f2babafe5373aeb37440ce5b5f2c844724fb26838c815b69bb6222537f6f","target":"record","created_at":"2026-05-18T03:38:02Z","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":"d2762a7a30694a95e064e52565e697a783622230be58224107d9590ce9cd6e50","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-12-18T07:25:58Z","title_canon_sha256":"2c04b513f1c4b889a2e9e0886032aedb14d782a4dc7c15e5efe56d19309e1102"},"schema_version":"1.0","source":{"id":"1212.5249","kind":"arxiv","version":1}},"canonical_sha256":"fc0218e98a4fdccebbdee7a241c668e9a5d8089579a55800aba6964b22b31b96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc0218e98a4fdccebbdee7a241c668e9a5d8089579a55800aba6964b22b31b96","first_computed_at":"2026-05-18T03:38:02.395596Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:38:02.395596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"viZixgYV+QiPzJSVabatFNKVE1yohIq+WG9GaWfmeqRaHP2X1uPfmAJqMxUmGnQXnqE5rTeeP27M3y4r6CeGCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:38:02.396209Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.5249","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c00f2babafe5373aeb37440ce5b5f2c844724fb26838c815b69bb6222537f6f","sha256:4e992fcd675a9d547e8734d57d663900ffa3a0e9198730e6551e005c9108905b"],"state_sha256":"a22994fed64eed80d40e7e07ff91fb4c94b42792d6b50292850edf3c8f2da89d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2eynlUCyrQP07czuosx+AZu8Mc9OHAqszsBUsVgDpjSumqpPCxSvmGq1FePM/Ha16nBTwhqe6sLqiqlzz2KcBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T02:23:09.966401Z","bundle_sha256":"afcf1f47f6558063d899d7bc60e29da435722fdef2e84e9e4c06719d0d9306ec"}}