{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:MQAJTHCQ5ZAETTHKPDDFOGNZUE","short_pith_number":"pith:MQAJTHCQ","canonical_record":{"source":{"id":"1909.05395","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-09-11T22:18:33Z","cross_cats_sorted":[],"title_canon_sha256":"faa5de85a51df776f7084507257046a54b2d60b9e62ba7a04c28411193bb6aab","abstract_canon_sha256":"c42f5bb113a974d34b982815b8036f7b92a82ace9c695aea6d0a5d3b966b9e5b"},"schema_version":"1.0"},"canonical_sha256":"6400999c50ee4049ccea78c65719b9a109f1fb646a8b8b1eda1d2eff056a2815","source":{"kind":"arxiv","id":"1909.05395","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.05395","created_at":"2026-07-05T01:00:13Z"},{"alias_kind":"arxiv_version","alias_value":"1909.05395v2","created_at":"2026-07-05T01:00:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.05395","created_at":"2026-07-05T01:00:13Z"},{"alias_kind":"pith_short_12","alias_value":"MQAJTHCQ5ZAE","created_at":"2026-07-05T01:00:13Z"},{"alias_kind":"pith_short_16","alias_value":"MQAJTHCQ5ZAETTHK","created_at":"2026-07-05T01:00:13Z"},{"alias_kind":"pith_short_8","alias_value":"MQAJTHCQ","created_at":"2026-07-05T01:00:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:MQAJTHCQ5ZAETTHKPDDFOGNZUE","target":"record","payload":{"canonical_record":{"source":{"id":"1909.05395","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-09-11T22:18:33Z","cross_cats_sorted":[],"title_canon_sha256":"faa5de85a51df776f7084507257046a54b2d60b9e62ba7a04c28411193bb6aab","abstract_canon_sha256":"c42f5bb113a974d34b982815b8036f7b92a82ace9c695aea6d0a5d3b966b9e5b"},"schema_version":"1.0"},"canonical_sha256":"6400999c50ee4049ccea78c65719b9a109f1fb646a8b8b1eda1d2eff056a2815","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:00:13.832059Z","signature_b64":"gn/UL2w1SUMLFUtY6zp6xRp1kU2XA9pub1PKehArpLxhqR6+DoLGxGVFyWNNh7aXiI0+kvBZEML9732MWoKODQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6400999c50ee4049ccea78c65719b9a109f1fb646a8b8b1eda1d2eff056a2815","last_reissued_at":"2026-07-05T01:00:13.831595Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:00:13.831595Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1909.05395","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:00:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uwlrmo+g2ygajcJ/dfQHXm2VFycHkm+NZVTN0r4664RcSwHFNqtaBGBNDcjz02/lK4hM0O+rrAxSkVM7J6CaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:38:44.605704Z"},"content_sha256":"1d85e6ad9108c0479ca1f94d8c1b1ec16e2804ace963e96032d6fae0163d6c46","schema_version":"1.0","event_id":"sha256:1d85e6ad9108c0479ca1f94d8c1b1ec16e2804ace963e96032d6fae0163d6c46"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:MQAJTHCQ5ZAETTHKPDDFOGNZUE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Super-Planckian Radiative Heat Transfer between Macroscale Plates with Vacuum Gaps Down to 190 nm Directly Created by SU-8 Posts and Characterized by Capacitance Method","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Liping Wang, Nicole Sluder, Payam Sabbaghi, Xiaoyan Ying","submitted_at":"2019-09-11T22:18:33Z","abstract_excerpt":"In this work we experimentally demonstrated the near-field thermal radiation enhancement over the blackbody limit by 11 times between highly doped silicon chips with 1x1 cm2 size at a vacuum gap distance of 190 nm under a temperature difference of 74.7 K above room temperature. SU-8 polymer posts, which significantly reduced the conduction less than 6% of the total heat transfer due to its low thermal conductivity, were carefully fabricated with different heights to directly create vacuum gaps from 507 nm down to 190 nm precisely determined in-situ by capacitance measurement. Experimental resu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.05395","kind":"arxiv","version":2},"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/1909.05395/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":"2026-07-05T01:00:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T9TOUAfyEEzpLVaCjV5w3zV9ZXMQOrPKxNnmBTl3CAdUdTJ3Hkkv4ON2peFQlj2ZQV5uXS1PxQBk6DB7HmYUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:38:44.606195Z"},"content_sha256":"a8b5efe60ba596a43146c80788511e2d2f96d92ce2b05e2bcc53f0e270b15e5c","schema_version":"1.0","event_id":"sha256:a8b5efe60ba596a43146c80788511e2d2f96d92ce2b05e2bcc53f0e270b15e5c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MQAJTHCQ5ZAETTHKPDDFOGNZUE/bundle.json","state_url":"https://pith.science/pith/MQAJTHCQ5ZAETTHKPDDFOGNZUE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MQAJTHCQ5ZAETTHKPDDFOGNZUE/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":"2026-08-03T21:38:44Z","links":{"resolver":"https://pith.science/pith/MQAJTHCQ5ZAETTHKPDDFOGNZUE","bundle":"https://pith.science/pith/MQAJTHCQ5ZAETTHKPDDFOGNZUE/bundle.json","state":"https://pith.science/pith/MQAJTHCQ5ZAETTHKPDDFOGNZUE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MQAJTHCQ5ZAETTHKPDDFOGNZUE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MQAJTHCQ5ZAETTHKPDDFOGNZUE","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":"c42f5bb113a974d34b982815b8036f7b92a82ace9c695aea6d0a5d3b966b9e5b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-09-11T22:18:33Z","title_canon_sha256":"faa5de85a51df776f7084507257046a54b2d60b9e62ba7a04c28411193bb6aab"},"schema_version":"1.0","source":{"id":"1909.05395","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.05395","created_at":"2026-07-05T01:00:13Z"},{"alias_kind":"arxiv_version","alias_value":"1909.05395v2","created_at":"2026-07-05T01:00:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.05395","created_at":"2026-07-05T01:00:13Z"},{"alias_kind":"pith_short_12","alias_value":"MQAJTHCQ5ZAE","created_at":"2026-07-05T01:00:13Z"},{"alias_kind":"pith_short_16","alias_value":"MQAJTHCQ5ZAETTHK","created_at":"2026-07-05T01:00:13Z"},{"alias_kind":"pith_short_8","alias_value":"MQAJTHCQ","created_at":"2026-07-05T01:00:13Z"}],"graph_snapshots":[{"event_id":"sha256:a8b5efe60ba596a43146c80788511e2d2f96d92ce2b05e2bcc53f0e270b15e5c","target":"graph","created_at":"2026-07-05T01:00:13Z","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/1909.05395/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work we experimentally demonstrated the near-field thermal radiation enhancement over the blackbody limit by 11 times between highly doped silicon chips with 1x1 cm2 size at a vacuum gap distance of 190 nm under a temperature difference of 74.7 K above room temperature. SU-8 polymer posts, which significantly reduced the conduction less than 6% of the total heat transfer due to its low thermal conductivity, were carefully fabricated with different heights to directly create vacuum gaps from 507 nm down to 190 nm precisely determined in-situ by capacitance measurement. Experimental resu","authors_text":"Liping Wang, Nicole Sluder, Payam Sabbaghi, Xiaoyan Ying","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-09-11T22:18:33Z","title":"Super-Planckian Radiative Heat Transfer between Macroscale Plates with Vacuum Gaps Down to 190 nm Directly Created by SU-8 Posts and Characterized by Capacitance Method"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.05395","kind":"arxiv","version":2},"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":"sha256:1d85e6ad9108c0479ca1f94d8c1b1ec16e2804ace963e96032d6fae0163d6c46","target":"record","created_at":"2026-07-05T01:00:13Z","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":"c42f5bb113a974d34b982815b8036f7b92a82ace9c695aea6d0a5d3b966b9e5b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-09-11T22:18:33Z","title_canon_sha256":"faa5de85a51df776f7084507257046a54b2d60b9e62ba7a04c28411193bb6aab"},"schema_version":"1.0","source":{"id":"1909.05395","kind":"arxiv","version":2}},"canonical_sha256":"6400999c50ee4049ccea78c65719b9a109f1fb646a8b8b1eda1d2eff056a2815","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6400999c50ee4049ccea78c65719b9a109f1fb646a8b8b1eda1d2eff056a2815","first_computed_at":"2026-07-05T01:00:13.831595Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:00:13.831595Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gn/UL2w1SUMLFUtY6zp6xRp1kU2XA9pub1PKehArpLxhqR6+DoLGxGVFyWNNh7aXiI0+kvBZEML9732MWoKODQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:00:13.832059Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.05395","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d85e6ad9108c0479ca1f94d8c1b1ec16e2804ace963e96032d6fae0163d6c46","sha256:a8b5efe60ba596a43146c80788511e2d2f96d92ce2b05e2bcc53f0e270b15e5c"],"state_sha256":"21b845a41482949664dae9d4e54b11e052378626de5220da69da31f133011a43"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TpeJbWoy/xxLffCtkcqaR38wjnpSM8ac9ByM3OcpYWIlZKCxS73+qCtDZTrTMddRfRnTqVlJGLdHNE4Rwv3TDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T21:38:44.609527Z","bundle_sha256":"33c6a2e7bccc434a46015bfb875475ccc5758d0f92c312bf2a53046f6b4800c2"}}