{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:SFT7NH3NPZCPQ2C7T3FLIPMQI5","short_pith_number":"pith:SFT7NH3N","canonical_record":{"source":{"id":"1905.03199","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-08T16:36:23Z","cross_cats_sorted":[],"title_canon_sha256":"02e30d4a8bb8acd7dc15315e1d14c3b2ca5e2a0d11544c9352e617c0cea546c1","abstract_canon_sha256":"6d1c3d01dade14a0e3d45ed6e9168f4fa1040870603e409078fb93d5d4f4b8b1"},"schema_version":"1.0"},"canonical_sha256":"9167f69f6d7e44f8685f9ecab43d90477e40d9a56568a4ec224cde56503ac477","source":{"kind":"arxiv","id":"1905.03199","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.03199","created_at":"2026-05-17T23:46:42Z"},{"alias_kind":"arxiv_version","alias_value":"1905.03199v1","created_at":"2026-05-17T23:46:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.03199","created_at":"2026-05-17T23:46:42Z"},{"alias_kind":"pith_short_12","alias_value":"SFT7NH3NPZCP","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"SFT7NH3NPZCPQ2C7","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"SFT7NH3N","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:SFT7NH3NPZCPQ2C7T3FLIPMQI5","target":"record","payload":{"canonical_record":{"source":{"id":"1905.03199","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-08T16:36:23Z","cross_cats_sorted":[],"title_canon_sha256":"02e30d4a8bb8acd7dc15315e1d14c3b2ca5e2a0d11544c9352e617c0cea546c1","abstract_canon_sha256":"6d1c3d01dade14a0e3d45ed6e9168f4fa1040870603e409078fb93d5d4f4b8b1"},"schema_version":"1.0"},"canonical_sha256":"9167f69f6d7e44f8685f9ecab43d90477e40d9a56568a4ec224cde56503ac477","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:42.578355Z","signature_b64":"rA/0adzk/z0Zyu+/MKimU3rfuwJ+FD0Hh7pSr7XDueo3rJiFLNM49E+VHSowgJygHbsRgnfi3430McNgl9RTDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9167f69f6d7e44f8685f9ecab43d90477e40d9a56568a4ec224cde56503ac477","last_reissued_at":"2026-05-17T23:46:42.577805Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:42.577805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.03199","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":"2026-05-17T23:46:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0+EEhMQ44TFKZjp5GIijNSOTL6m7PNEUFx17fbV728nbqz9KsCuti1MVs6Z2IAfFpv6DpPOdz6lZU4Zl+KlwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T18:07:36.486543Z"},"content_sha256":"d5ca171e5d327b6ff7f6c727c66e6eeed1aa6d3d5f5b90c059e4b61e0895edc1","schema_version":"1.0","event_id":"sha256:d5ca171e5d327b6ff7f6c727c66e6eeed1aa6d3d5f5b90c059e4b61e0895edc1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:SFT7NH3NPZCPQ2C7T3FLIPMQI5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of defect-induced cooling on graphene hot-electron bolometers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Abdel El Fatimy, D. Kurt Gaskill, Kevin Daniels, Luke St. Marie, Matthew T. Dejarld, Nicholas Quirk, Paola Barbara, Peize Han, Rachael L. Myers-Ward, Shojan Pavunny, Thomas E. Murphy, Yigit Aytac","submitted_at":"2019-05-08T16:36:23Z","abstract_excerpt":"At high phonon temperature, defect-mediated electron-phonon collisions (supercollisions) in graphene allow for larger energy transfer and faster cooling of hot electrons than the normal, momentum-conserving electron-phonon collisions. Disorder also affects the heat flow between electrons and phonons at very low phonon temperature, where the phonon wavelength exceeds the mean free path. In both cases, the cooling rate is predicted to exhibit a characteristic cubic power law dependence on the electron temperature, markedly different from the T^4 dependence predicted for pristine graphene. The im"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.03199","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":"2026-05-17T23:46:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P1spLKqsarya/69mHJOHgG1GR8NxulQZ5zCxtcpogymhv5zf/xjJyfuHSAdmRw6SquGYCZgiL6huQa3bA8DZBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T18:07:36.486888Z"},"content_sha256":"f81e763baeb26e9cc58744655da9eda8bd4b9d09b2e3e492ced2e98573c99d98","schema_version":"1.0","event_id":"sha256:f81e763baeb26e9cc58744655da9eda8bd4b9d09b2e3e492ced2e98573c99d98"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SFT7NH3NPZCPQ2C7T3FLIPMQI5/bundle.json","state_url":"https://pith.science/pith/SFT7NH3NPZCPQ2C7T3FLIPMQI5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SFT7NH3NPZCPQ2C7T3FLIPMQI5/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":"2026-06-23T18:07:36Z","links":{"resolver":"https://pith.science/pith/SFT7NH3NPZCPQ2C7T3FLIPMQI5","bundle":"https://pith.science/pith/SFT7NH3NPZCPQ2C7T3FLIPMQI5/bundle.json","state":"https://pith.science/pith/SFT7NH3NPZCPQ2C7T3FLIPMQI5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SFT7NH3NPZCPQ2C7T3FLIPMQI5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:SFT7NH3NPZCPQ2C7T3FLIPMQI5","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":"6d1c3d01dade14a0e3d45ed6e9168f4fa1040870603e409078fb93d5d4f4b8b1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-08T16:36:23Z","title_canon_sha256":"02e30d4a8bb8acd7dc15315e1d14c3b2ca5e2a0d11544c9352e617c0cea546c1"},"schema_version":"1.0","source":{"id":"1905.03199","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.03199","created_at":"2026-05-17T23:46:42Z"},{"alias_kind":"arxiv_version","alias_value":"1905.03199v1","created_at":"2026-05-17T23:46:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.03199","created_at":"2026-05-17T23:46:42Z"},{"alias_kind":"pith_short_12","alias_value":"SFT7NH3NPZCP","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"SFT7NH3NPZCPQ2C7","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"SFT7NH3N","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:f81e763baeb26e9cc58744655da9eda8bd4b9d09b2e3e492ced2e98573c99d98","target":"graph","created_at":"2026-05-17T23:46:42Z","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"},"paper":{"abstract_excerpt":"At high phonon temperature, defect-mediated electron-phonon collisions (supercollisions) in graphene allow for larger energy transfer and faster cooling of hot electrons than the normal, momentum-conserving electron-phonon collisions. Disorder also affects the heat flow between electrons and phonons at very low phonon temperature, where the phonon wavelength exceeds the mean free path. In both cases, the cooling rate is predicted to exhibit a characteristic cubic power law dependence on the electron temperature, markedly different from the T^4 dependence predicted for pristine graphene. The im","authors_text":"Abdel El Fatimy, D. Kurt Gaskill, Kevin Daniels, Luke St. Marie, Matthew T. Dejarld, Nicholas Quirk, Paola Barbara, Peize Han, Rachael L. Myers-Ward, Shojan Pavunny, Thomas E. Murphy, Yigit Aytac","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-08T16:36:23Z","title":"Effect of defect-induced cooling on graphene hot-electron bolometers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.03199","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:d5ca171e5d327b6ff7f6c727c66e6eeed1aa6d3d5f5b90c059e4b61e0895edc1","target":"record","created_at":"2026-05-17T23:46:42Z","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":"6d1c3d01dade14a0e3d45ed6e9168f4fa1040870603e409078fb93d5d4f4b8b1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-08T16:36:23Z","title_canon_sha256":"02e30d4a8bb8acd7dc15315e1d14c3b2ca5e2a0d11544c9352e617c0cea546c1"},"schema_version":"1.0","source":{"id":"1905.03199","kind":"arxiv","version":1}},"canonical_sha256":"9167f69f6d7e44f8685f9ecab43d90477e40d9a56568a4ec224cde56503ac477","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9167f69f6d7e44f8685f9ecab43d90477e40d9a56568a4ec224cde56503ac477","first_computed_at":"2026-05-17T23:46:42.577805Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:42.577805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rA/0adzk/z0Zyu+/MKimU3rfuwJ+FD0Hh7pSr7XDueo3rJiFLNM49E+VHSowgJygHbsRgnfi3430McNgl9RTDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:42.578355Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.03199","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5ca171e5d327b6ff7f6c727c66e6eeed1aa6d3d5f5b90c059e4b61e0895edc1","sha256:f81e763baeb26e9cc58744655da9eda8bd4b9d09b2e3e492ced2e98573c99d98"],"state_sha256":"4a2c582f5e84e32fff7d9888bc7af11bb7b18c16025e0bd9c37f12c60df95d92"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p01AwngAlFInU+JgpJYukUY/hBoNzp4i8RB+0ORmwUGgvwM1ylt/5YKbIJH+mva1A/hdlh1a32eOQ1vMRxJZCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T18:07:36.488777Z","bundle_sha256":"54c6440066b798993fe07fde130640105c0fe1b2089747f03e00944f69b67d1a"}}