{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:S4MAEEM55OWZS4HJ6G367KIIJV","short_pith_number":"pith:S4MAEEM5","canonical_record":{"source":{"id":"2309.12770","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2023-09-22T10:25:07Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"0a93fd53891c206efeca02518f90d252f378c9cdd1ab07a1d62f0b189ddef9b2","abstract_canon_sha256":"bd17448cefaa0237b3557241ef8ef0505c01252549a097562f11b5e8dd48309e"},"schema_version":"1.0"},"canonical_sha256":"971802119debad9970e9f1b7efa9084d78738753ba28bfe57780a25342f30c2c","source":{"kind":"arxiv","id":"2309.12770","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.12770","created_at":"2026-07-05T06:53:17Z"},{"alias_kind":"arxiv_version","alias_value":"2309.12770v1","created_at":"2026-07-05T06:53:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.12770","created_at":"2026-07-05T06:53:17Z"},{"alias_kind":"pith_short_12","alias_value":"S4MAEEM55OWZ","created_at":"2026-07-05T06:53:17Z"},{"alias_kind":"pith_short_16","alias_value":"S4MAEEM55OWZS4HJ","created_at":"2026-07-05T06:53:17Z"},{"alias_kind":"pith_short_8","alias_value":"S4MAEEM5","created_at":"2026-07-05T06:53:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:S4MAEEM55OWZS4HJ6G367KIIJV","target":"record","payload":{"canonical_record":{"source":{"id":"2309.12770","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2023-09-22T10:25:07Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"0a93fd53891c206efeca02518f90d252f378c9cdd1ab07a1d62f0b189ddef9b2","abstract_canon_sha256":"bd17448cefaa0237b3557241ef8ef0505c01252549a097562f11b5e8dd48309e"},"schema_version":"1.0"},"canonical_sha256":"971802119debad9970e9f1b7efa9084d78738753ba28bfe57780a25342f30c2c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:53:17.620953Z","signature_b64":"OteTkJ2zbpTaSv6hk7X5ZXRX9vHGIlnBcQvJcTtG23n/PVYW3yALBYoN3OokNdBPXzRPra9PjI9DshFXnR+aAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"971802119debad9970e9f1b7efa9084d78738753ba28bfe57780a25342f30c2c","last_reissued_at":"2026-07-05T06:53:17.620436Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:53:17.620436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.12770","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":"2026-07-05T06:53:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vG//wbJjngme8Px20JwICt8D3zupZ6DzOFYEVx+KyxswD9+R5M8Bc9QtAUQKYRC3jZx3JghwlqweIaRaobaBAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:50:44.024714Z"},"content_sha256":"364f4bc9929e19356ca9b3a03858b09d1c4e32f16ee7ace58d5ab3238af2b01f","schema_version":"1.0","event_id":"sha256:364f4bc9929e19356ca9b3a03858b09d1c4e32f16ee7ace58d5ab3238af2b01f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:S4MAEEM55OWZS4HJ6G367KIIJV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiative metamaterials based on effective-medium theory","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.app-ph","authors_text":"Haohan Tan, Liujun Xu","submitted_at":"2023-09-22T10:25:07Z","abstract_excerpt":"Thermal metamaterials have made significant advancements in the past few decades. However, the concept of thermal metamaterials is primarily rooted in the thermal conduction mechanism, which has consequently restricted their application scope. It is imperative to consider thermal radiation, another crucial thermal transport mechanism, particularly in high-temperature regimes, when designing thermal devices. In this review paper, we present the advancements in this area, with a specific focus on research conducted using the effective-medium theory. Additionally, we explore the potential applica"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.12770","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/2309.12770/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":"2026-07-05T06:53:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"83a8o8z6B6hT+l1lOKof7KBMqbQuRWwLEP5BHLNxK1k1BOTWCHidG7bu68mGQgBJ+8hMl+LjimebYi22RjHrAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T06:50:44.025701Z"},"content_sha256":"d235ad923ff5c7af58794bb640d2540e846a832cf726898f188a6e0b4892b927","schema_version":"1.0","event_id":"sha256:d235ad923ff5c7af58794bb640d2540e846a832cf726898f188a6e0b4892b927"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S4MAEEM55OWZS4HJ6G367KIIJV/bundle.json","state_url":"https://pith.science/pith/S4MAEEM55OWZS4HJ6G367KIIJV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S4MAEEM55OWZS4HJ6G367KIIJV/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":"2026-08-16T06:50:44Z","links":{"resolver":"https://pith.science/pith/S4MAEEM55OWZS4HJ6G367KIIJV","bundle":"https://pith.science/pith/S4MAEEM55OWZS4HJ6G367KIIJV/bundle.json","state":"https://pith.science/pith/S4MAEEM55OWZS4HJ6G367KIIJV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S4MAEEM55OWZS4HJ6G367KIIJV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:S4MAEEM55OWZS4HJ6G367KIIJV","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":"bd17448cefaa0237b3557241ef8ef0505c01252549a097562f11b5e8dd48309e","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2023-09-22T10:25:07Z","title_canon_sha256":"0a93fd53891c206efeca02518f90d252f378c9cdd1ab07a1d62f0b189ddef9b2"},"schema_version":"1.0","source":{"id":"2309.12770","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.12770","created_at":"2026-07-05T06:53:17Z"},{"alias_kind":"arxiv_version","alias_value":"2309.12770v1","created_at":"2026-07-05T06:53:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.12770","created_at":"2026-07-05T06:53:17Z"},{"alias_kind":"pith_short_12","alias_value":"S4MAEEM55OWZ","created_at":"2026-07-05T06:53:17Z"},{"alias_kind":"pith_short_16","alias_value":"S4MAEEM55OWZS4HJ","created_at":"2026-07-05T06:53:17Z"},{"alias_kind":"pith_short_8","alias_value":"S4MAEEM5","created_at":"2026-07-05T06:53:17Z"}],"graph_snapshots":[{"event_id":"sha256:d235ad923ff5c7af58794bb640d2540e846a832cf726898f188a6e0b4892b927","target":"graph","created_at":"2026-07-05T06:53:17Z","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/2309.12770/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Thermal metamaterials have made significant advancements in the past few decades. However, the concept of thermal metamaterials is primarily rooted in the thermal conduction mechanism, which has consequently restricted their application scope. It is imperative to consider thermal radiation, another crucial thermal transport mechanism, particularly in high-temperature regimes, when designing thermal devices. In this review paper, we present the advancements in this area, with a specific focus on research conducted using the effective-medium theory. Additionally, we explore the potential applica","authors_text":"Haohan Tan, Liujun Xu","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2023-09-22T10:25:07Z","title":"Radiative metamaterials based on effective-medium theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.12770","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":"sha256:364f4bc9929e19356ca9b3a03858b09d1c4e32f16ee7ace58d5ab3238af2b01f","target":"record","created_at":"2026-07-05T06:53:17Z","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":"bd17448cefaa0237b3557241ef8ef0505c01252549a097562f11b5e8dd48309e","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2023-09-22T10:25:07Z","title_canon_sha256":"0a93fd53891c206efeca02518f90d252f378c9cdd1ab07a1d62f0b189ddef9b2"},"schema_version":"1.0","source":{"id":"2309.12770","kind":"arxiv","version":1}},"canonical_sha256":"971802119debad9970e9f1b7efa9084d78738753ba28bfe57780a25342f30c2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"971802119debad9970e9f1b7efa9084d78738753ba28bfe57780a25342f30c2c","first_computed_at":"2026-07-05T06:53:17.620436Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:53:17.620436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OteTkJ2zbpTaSv6hk7X5ZXRX9vHGIlnBcQvJcTtG23n/PVYW3yALBYoN3OokNdBPXzRPra9PjI9DshFXnR+aAg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:53:17.620953Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.12770","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:364f4bc9929e19356ca9b3a03858b09d1c4e32f16ee7ace58d5ab3238af2b01f","sha256:d235ad923ff5c7af58794bb640d2540e846a832cf726898f188a6e0b4892b927"],"state_sha256":"25838d41e94a6028e72c8244336047d5a643414cbf02d1dd04c0ce45afb2f56d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rPOOVYB2w1Eb3AW6qQ2/KK6Uh/NV9bPhOig/h3Dq0S7dTpjazCFJdVm3ctQwjt3jqvYZsul8/3j96cQLUTFzDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T06:50:44.103537Z","bundle_sha256":"8c60cc8e2582dd66e5dff89744766e5fff2fbfe25b7b70e1709844cf7fb749bc"}}