{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:AISBSSA7CQQF5IZ47VOVMMCWOP","short_pith_number":"pith:AISBSSA7","canonical_record":{"source":{"id":"2607.09914","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-10T19:05:40Z","cross_cats_sorted":[],"title_canon_sha256":"ad0ab979b49784c1e10d0b0b5e905c12072f1a7d5fb7fe598c28597bd61bbd6f","abstract_canon_sha256":"b14671a6def74674815cf1923c54a4e1af498357e7cb49a115faa3683914c395"},"schema_version":"1.0"},"canonical_sha256":"022419481f14205ea33cfd5d56305673eaa58ede4be5f4be82b6dda645635a69","source":{"kind":"arxiv","id":"2607.09914","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.09914","created_at":"2026-07-14T00:18:42Z"},{"alias_kind":"arxiv_version","alias_value":"2607.09914v1","created_at":"2026-07-14T00:18:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.09914","created_at":"2026-07-14T00:18:42Z"},{"alias_kind":"pith_short_12","alias_value":"AISBSSA7CQQF","created_at":"2026-07-14T00:18:42Z"},{"alias_kind":"pith_short_16","alias_value":"AISBSSA7CQQF5IZ4","created_at":"2026-07-14T00:18:42Z"},{"alias_kind":"pith_short_8","alias_value":"AISBSSA7","created_at":"2026-07-14T00:18:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:AISBSSA7CQQF5IZ47VOVMMCWOP","target":"record","payload":{"canonical_record":{"source":{"id":"2607.09914","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-10T19:05:40Z","cross_cats_sorted":[],"title_canon_sha256":"ad0ab979b49784c1e10d0b0b5e905c12072f1a7d5fb7fe598c28597bd61bbd6f","abstract_canon_sha256":"b14671a6def74674815cf1923c54a4e1af498357e7cb49a115faa3683914c395"},"schema_version":"1.0"},"canonical_sha256":"022419481f14205ea33cfd5d56305673eaa58ede4be5f4be82b6dda645635a69","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-14T00:18:42.732543Z","signature_b64":"Rv6cp5NDlOJ2X4YPiO6P1GrdNQA7oElG5njXYeQ4Jl5Wm4g3jME8BZEOU//IyOBQswO460hXqilhFwEAApsHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"022419481f14205ea33cfd5d56305673eaa58ede4be5f4be82b6dda645635a69","last_reissued_at":"2026-07-14T00:18:42.731659Z","signature_status":"signed_v1","first_computed_at":"2026-07-14T00:18:42.731659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.09914","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":"2026-07-14T00:18:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e4nvlEl44zTZgrDyF0jooN7ToXH4Z9PEinVtcX99s4FIcFaZEYXMS1JoEWeB79/A43gBQdgzLXj35JfpMgBKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:40:20.225659Z"},"content_sha256":"7d1a4b1e689207f0187853898e2fff86f66dfb78f3180b3ee7990b5a6610b698","schema_version":"1.0","event_id":"sha256:7d1a4b1e689207f0187853898e2fff86f66dfb78f3180b3ee7990b5a6610b698"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:AISBSSA7CQQF5IZ47VOVMMCWOP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improved Heat Dissipation in CsPbBr${_3}$-hBN Heterostructures","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Ahmed Kadid, Cedric Kreusel, Jasper Ruhkop, Liudmila Starodubtceva, Maryam Mohammadi, Max C. Lemme, Naho Kurahashi, Ralf Heiderhoff, Sebastian Lukas, Thomas Riedl, Ulrich Plachetka","submitted_at":"2026-07-10T19:05:40Z","abstract_excerpt":"Metal halide perovskite semiconductors are promising materials for optoelectronic and photonic devices, including solar cells and next-generation coherent light sources. However, their low thermal conductivity limits the practical operation of devices under high excitation levels. Integrating thermally conductive, large band-gap two-dimensional (2D) materials into perovskite devices could suppress heat accumulation, while preserving their optical properties. Here, we show that planar hot-pressed (PHP) cesium lead bromide (CsPbBr${_3}$) thin films capped with few-layer 2D hexagonal boron nitrid"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.09914","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/2607.09914/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":"2026-07-14T00:18:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iOBk1dL0LCXBCS6J50TcJnUTUW8F3Un2UP26+Ctjn4rI2Q7gVCMDJ6GRFwJ3dMik7zatrb7vei8pX8GOnV3GAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:40:20.226258Z"},"content_sha256":"193700698cd00080fe46a10560a94791e26fb61ecb15090a3bae3c082b6044be","schema_version":"1.0","event_id":"sha256:193700698cd00080fe46a10560a94791e26fb61ecb15090a3bae3c082b6044be"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AISBSSA7CQQF5IZ47VOVMMCWOP/bundle.json","state_url":"https://pith.science/pith/AISBSSA7CQQF5IZ47VOVMMCWOP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AISBSSA7CQQF5IZ47VOVMMCWOP/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":"2026-08-04T02:40:20Z","links":{"resolver":"https://pith.science/pith/AISBSSA7CQQF5IZ47VOVMMCWOP","bundle":"https://pith.science/pith/AISBSSA7CQQF5IZ47VOVMMCWOP/bundle.json","state":"https://pith.science/pith/AISBSSA7CQQF5IZ47VOVMMCWOP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AISBSSA7CQQF5IZ47VOVMMCWOP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AISBSSA7CQQF5IZ47VOVMMCWOP","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":"b14671a6def74674815cf1923c54a4e1af498357e7cb49a115faa3683914c395","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-10T19:05:40Z","title_canon_sha256":"ad0ab979b49784c1e10d0b0b5e905c12072f1a7d5fb7fe598c28597bd61bbd6f"},"schema_version":"1.0","source":{"id":"2607.09914","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.09914","created_at":"2026-07-14T00:18:42Z"},{"alias_kind":"arxiv_version","alias_value":"2607.09914v1","created_at":"2026-07-14T00:18:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.09914","created_at":"2026-07-14T00:18:42Z"},{"alias_kind":"pith_short_12","alias_value":"AISBSSA7CQQF","created_at":"2026-07-14T00:18:42Z"},{"alias_kind":"pith_short_16","alias_value":"AISBSSA7CQQF5IZ4","created_at":"2026-07-14T00:18:42Z"},{"alias_kind":"pith_short_8","alias_value":"AISBSSA7","created_at":"2026-07-14T00:18:42Z"}],"graph_snapshots":[{"event_id":"sha256:193700698cd00080fe46a10560a94791e26fb61ecb15090a3bae3c082b6044be","target":"graph","created_at":"2026-07-14T00:18:42Z","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/2607.09914/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Metal halide perovskite semiconductors are promising materials for optoelectronic and photonic devices, including solar cells and next-generation coherent light sources. However, their low thermal conductivity limits the practical operation of devices under high excitation levels. Integrating thermally conductive, large band-gap two-dimensional (2D) materials into perovskite devices could suppress heat accumulation, while preserving their optical properties. Here, we show that planar hot-pressed (PHP) cesium lead bromide (CsPbBr${_3}$) thin films capped with few-layer 2D hexagonal boron nitrid","authors_text":"Ahmed Kadid, Cedric Kreusel, Jasper Ruhkop, Liudmila Starodubtceva, Maryam Mohammadi, Max C. Lemme, Naho Kurahashi, Ralf Heiderhoff, Sebastian Lukas, Thomas Riedl, Ulrich Plachetka","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-10T19:05:40Z","title":"Improved Heat Dissipation in CsPbBr${_3}$-hBN Heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.09914","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":"sha256:7d1a4b1e689207f0187853898e2fff86f66dfb78f3180b3ee7990b5a6610b698","target":"record","created_at":"2026-07-14T00:18:42Z","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":"b14671a6def74674815cf1923c54a4e1af498357e7cb49a115faa3683914c395","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-10T19:05:40Z","title_canon_sha256":"ad0ab979b49784c1e10d0b0b5e905c12072f1a7d5fb7fe598c28597bd61bbd6f"},"schema_version":"1.0","source":{"id":"2607.09914","kind":"arxiv","version":1}},"canonical_sha256":"022419481f14205ea33cfd5d56305673eaa58ede4be5f4be82b6dda645635a69","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"022419481f14205ea33cfd5d56305673eaa58ede4be5f4be82b6dda645635a69","first_computed_at":"2026-07-14T00:18:42.731659Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-14T00:18:42.731659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Rv6cp5NDlOJ2X4YPiO6P1GrdNQA7oElG5njXYeQ4Jl5Wm4g3jME8BZEOU//IyOBQswO460hXqilhFwEAApsHDg==","signature_status":"signed_v1","signed_at":"2026-07-14T00:18:42.732543Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.09914","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d1a4b1e689207f0187853898e2fff86f66dfb78f3180b3ee7990b5a6610b698","sha256:193700698cd00080fe46a10560a94791e26fb61ecb15090a3bae3c082b6044be"],"state_sha256":"7c5300067c9284c53ead817cba9536707818a3a99a84af7593cac20f6b0417f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aU/af0rxDQufX2fMOP8XMVXtdZOwgyx/OD0O2Bl4RckepGUD1kmbCRX0iKFofRrDvyB1mX5dCHG5hYfsvuEqAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T02:40:20.229694Z","bundle_sha256":"a975e131d51f864fb653fc3e3e4616cd81adea9d96cd7d174be176ff30933f05"}}