{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:GHFJVQ7Y2YQF5K7H4QPRNJGJYR","short_pith_number":"pith:GHFJVQ7Y","canonical_record":{"source":{"id":"1905.04027","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-10T09:27:42Z","cross_cats_sorted":[],"title_canon_sha256":"2ad547fef2c602fbd341988e72b960afacdf6178f864a3c68fc76b8ca94e0f89","abstract_canon_sha256":"9934fc07e05a1990af29d2760784e1b0d385782f6e427a276294ee9853e58054"},"schema_version":"1.0"},"canonical_sha256":"31ca9ac3f8d6205eabe7e41f16a4c9c4557c9148c7f31e01a561ddd8f3aa971c","source":{"kind":"arxiv","id":"1905.04027","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04027","created_at":"2026-07-05T00:43:00Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04027v1","created_at":"2026-07-05T00:43:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04027","created_at":"2026-07-05T00:43:00Z"},{"alias_kind":"pith_short_12","alias_value":"GHFJVQ7Y2YQF","created_at":"2026-07-05T00:43:00Z"},{"alias_kind":"pith_short_16","alias_value":"GHFJVQ7Y2YQF5K7H","created_at":"2026-07-05T00:43:00Z"},{"alias_kind":"pith_short_8","alias_value":"GHFJVQ7Y","created_at":"2026-07-05T00:43:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:GHFJVQ7Y2YQF5K7H4QPRNJGJYR","target":"record","payload":{"canonical_record":{"source":{"id":"1905.04027","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-10T09:27:42Z","cross_cats_sorted":[],"title_canon_sha256":"2ad547fef2c602fbd341988e72b960afacdf6178f864a3c68fc76b8ca94e0f89","abstract_canon_sha256":"9934fc07e05a1990af29d2760784e1b0d385782f6e427a276294ee9853e58054"},"schema_version":"1.0"},"canonical_sha256":"31ca9ac3f8d6205eabe7e41f16a4c9c4557c9148c7f31e01a561ddd8f3aa971c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:43:00.847837Z","signature_b64":"ltkr/Mv1L1W4eAF731gO3lt0TIOQPxS5Ips1Kz+MY102xkw/L0CBOBMCagE5h7deYQwjLGV0H1CAS/hU9mdlCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31ca9ac3f8d6205eabe7e41f16a4c9c4557c9148c7f31e01a561ddd8f3aa971c","last_reissued_at":"2026-07-05T00:43:00.847280Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:43:00.847280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.04027","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":"2026-07-05T00:43:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z9ZIrnxVnSLAXEIDOg4LSiM+kztcpsmd+gw1ztYjrcLLt+G5yLwhMxPZ188iknkrnHxgsU3LtkF2/ov5FvEOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T17:11:26.175672Z"},"content_sha256":"3bcd1883d0b4c258f8e5abb201f0560b2aa74157a1d014fa5563f30f1e7f8a6b","schema_version":"1.0","event_id":"sha256:3bcd1883d0b4c258f8e5abb201f0560b2aa74157a1d014fa5563f30f1e7f8a6b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:GHFJVQ7Y2YQF5K7H4QPRNJGJYR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultrafast unbalanced electron distributions in quasicrystalline 30{\\deg} twisted bilayer graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"F. Komori, H. Fukidome, I. Matsuda, J. Itatani, J. R. Ahn, J. Xu, K. Okazaki, K. Suwa, M. Fujisawa, M. Watanabe, N. Ishii, S. J. Ahn, S. Shin, S. Tanaka, T. Iimori, T. Kanai, T. Suzuki, Y. Zhao","submitted_at":"2019-05-10T09:27:42Z","abstract_excerpt":"Layers of twisted bilayer graphene exhibit varieties of exotic quantum phenomena1-5. Today, the twist angle {\\Theta} has become an important degree of freedom for exploring novel states of matters, i.e. two-dimensional superconductivity ( {\\Theta} = 1.1{\\deg})6, 7 and a two-dimensional quasicrystal ({\\Theta} = 30{\\deg})8, 9. We report herein experimental observation on the photo-induced ultrafast dynamics of Dirac fermions in the quasicrystalline 30{\\deg} twisted bilayer graphene (QCTBG). We discover that hot carriers are asymmetrically distributed between the two graphene layers, followed by "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04027","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/1905.04027/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":"2026-07-05T00:43:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7tjX79xXOF/zoh9PhKvU0clD+6YdDlYgIEXClNJ30KYJVBLM/jDBT6PsZZqOHX38lXDY+Jzt+el2WZ1PWjkMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T17:11:26.176259Z"},"content_sha256":"7df949e6e3b8a7e52e0c79bfe094f1fe4c9793642157090b1042e541dd9ff5ed","schema_version":"1.0","event_id":"sha256:7df949e6e3b8a7e52e0c79bfe094f1fe4c9793642157090b1042e541dd9ff5ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GHFJVQ7Y2YQF5K7H4QPRNJGJYR/bundle.json","state_url":"https://pith.science/pith/GHFJVQ7Y2YQF5K7H4QPRNJGJYR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GHFJVQ7Y2YQF5K7H4QPRNJGJYR/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":"2026-08-10T17:11:26Z","links":{"resolver":"https://pith.science/pith/GHFJVQ7Y2YQF5K7H4QPRNJGJYR","bundle":"https://pith.science/pith/GHFJVQ7Y2YQF5K7H4QPRNJGJYR/bundle.json","state":"https://pith.science/pith/GHFJVQ7Y2YQF5K7H4QPRNJGJYR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GHFJVQ7Y2YQF5K7H4QPRNJGJYR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GHFJVQ7Y2YQF5K7H4QPRNJGJYR","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":"9934fc07e05a1990af29d2760784e1b0d385782f6e427a276294ee9853e58054","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-10T09:27:42Z","title_canon_sha256":"2ad547fef2c602fbd341988e72b960afacdf6178f864a3c68fc76b8ca94e0f89"},"schema_version":"1.0","source":{"id":"1905.04027","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04027","created_at":"2026-07-05T00:43:00Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04027v1","created_at":"2026-07-05T00:43:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04027","created_at":"2026-07-05T00:43:00Z"},{"alias_kind":"pith_short_12","alias_value":"GHFJVQ7Y2YQF","created_at":"2026-07-05T00:43:00Z"},{"alias_kind":"pith_short_16","alias_value":"GHFJVQ7Y2YQF5K7H","created_at":"2026-07-05T00:43:00Z"},{"alias_kind":"pith_short_8","alias_value":"GHFJVQ7Y","created_at":"2026-07-05T00:43:00Z"}],"graph_snapshots":[{"event_id":"sha256:7df949e6e3b8a7e52e0c79bfe094f1fe4c9793642157090b1042e541dd9ff5ed","target":"graph","created_at":"2026-07-05T00:43:00Z","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/1905.04027/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Layers of twisted bilayer graphene exhibit varieties of exotic quantum phenomena1-5. Today, the twist angle {\\Theta} has become an important degree of freedom for exploring novel states of matters, i.e. two-dimensional superconductivity ( {\\Theta} = 1.1{\\deg})6, 7 and a two-dimensional quasicrystal ({\\Theta} = 30{\\deg})8, 9. We report herein experimental observation on the photo-induced ultrafast dynamics of Dirac fermions in the quasicrystalline 30{\\deg} twisted bilayer graphene (QCTBG). We discover that hot carriers are asymmetrically distributed between the two graphene layers, followed by ","authors_text":"F. Komori, H. Fukidome, I. Matsuda, J. Itatani, J. R. Ahn, J. Xu, K. Okazaki, K. Suwa, M. Fujisawa, M. Watanabe, N. Ishii, S. J. Ahn, S. Shin, S. Tanaka, T. Iimori, T. Kanai, T. Suzuki, Y. Zhao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-10T09:27:42Z","title":"Ultrafast unbalanced electron distributions in quasicrystalline 30{\\deg} twisted bilayer graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04027","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":"sha256:3bcd1883d0b4c258f8e5abb201f0560b2aa74157a1d014fa5563f30f1e7f8a6b","target":"record","created_at":"2026-07-05T00:43:00Z","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":"9934fc07e05a1990af29d2760784e1b0d385782f6e427a276294ee9853e58054","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-05-10T09:27:42Z","title_canon_sha256":"2ad547fef2c602fbd341988e72b960afacdf6178f864a3c68fc76b8ca94e0f89"},"schema_version":"1.0","source":{"id":"1905.04027","kind":"arxiv","version":1}},"canonical_sha256":"31ca9ac3f8d6205eabe7e41f16a4c9c4557c9148c7f31e01a561ddd8f3aa971c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31ca9ac3f8d6205eabe7e41f16a4c9c4557c9148c7f31e01a561ddd8f3aa971c","first_computed_at":"2026-07-05T00:43:00.847280Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:43:00.847280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ltkr/Mv1L1W4eAF731gO3lt0TIOQPxS5Ips1Kz+MY102xkw/L0CBOBMCagE5h7deYQwjLGV0H1CAS/hU9mdlCw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:43:00.847837Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.04027","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3bcd1883d0b4c258f8e5abb201f0560b2aa74157a1d014fa5563f30f1e7f8a6b","sha256:7df949e6e3b8a7e52e0c79bfe094f1fe4c9793642157090b1042e541dd9ff5ed"],"state_sha256":"7a316bda3e8d109c02f3608d8c63b3f2ae3976436ea9e5ac95832d4a928cdeaf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"85BSOSUhXXU/YjWVjQW9iMeSP+LCPed8cjmocX8HrXjPtBP3LZMmoGJBX6ev0Q8t4Czy9SUQ5qVSBVnAGjI5BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T17:11:26.181638Z","bundle_sha256":"2ac9bead04406431415831190d741150db21142d2686f133ef35fddc8a9e79f1"}}