{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:GICFZBXWXKN66L2EHDTF5LDTRW","short_pith_number":"pith:GICFZBXW","canonical_record":{"source":{"id":"2403.02049","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-03-04T13:51:18Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"f203e6af64498cf30b045ede327923c743709ad22f59c89bf8d8613f7bd350e4","abstract_canon_sha256":"b88c576cabeb150a6d0c9ced98308d144d796af4376d30d2d9a32423c9ad891c"},"schema_version":"1.0"},"canonical_sha256":"32045c86f6ba9bef2f4438e65eac738da667cd722e82094066814d7ff82ed8bf","source":{"kind":"arxiv","id":"2403.02049","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.02049","created_at":"2026-07-05T07:51:55Z"},{"alias_kind":"arxiv_version","alias_value":"2403.02049v1","created_at":"2026-07-05T07:51:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.02049","created_at":"2026-07-05T07:51:55Z"},{"alias_kind":"pith_short_12","alias_value":"GICFZBXWXKN6","created_at":"2026-07-05T07:51:55Z"},{"alias_kind":"pith_short_16","alias_value":"GICFZBXWXKN66L2E","created_at":"2026-07-05T07:51:55Z"},{"alias_kind":"pith_short_8","alias_value":"GICFZBXW","created_at":"2026-07-05T07:51:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:GICFZBXWXKN66L2EHDTF5LDTRW","target":"record","payload":{"canonical_record":{"source":{"id":"2403.02049","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-03-04T13:51:18Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"f203e6af64498cf30b045ede327923c743709ad22f59c89bf8d8613f7bd350e4","abstract_canon_sha256":"b88c576cabeb150a6d0c9ced98308d144d796af4376d30d2d9a32423c9ad891c"},"schema_version":"1.0"},"canonical_sha256":"32045c86f6ba9bef2f4438e65eac738da667cd722e82094066814d7ff82ed8bf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:51:55.813612Z","signature_b64":"yFSg7ugsItuyasFykpTDwWO97HsIa7x3amMbI858PqB23GYiftEVYkEStuluXheiqMteHyxSuVV8+ZsHUZfODQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32045c86f6ba9bef2f4438e65eac738da667cd722e82094066814d7ff82ed8bf","last_reissued_at":"2026-07-05T07:51:55.813115Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:51:55.813115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.02049","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":"2026-07-05T07:51:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8PzR7jty1vDvfsSNUnj+lI3v8v/s7gog9BNGGGy5RDOD5BX4go2ghuQVloQd41//1kdEI/mVMslR4j9slYxWAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:40:25.315050Z"},"content_sha256":"80cccad893af22f94018eac04cc394e7b9dda2aa07476cc0fc0a75796164d703","schema_version":"1.0","event_id":"sha256:80cccad893af22f94018eac04cc394e7b9dda2aa07476cc0fc0a75796164d703"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:GICFZBXWXKN66L2EHDTF5LDTRW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultra-low carrier density superconducting bolometers with single photon sensitivity based on magic-angle twisted bilayer graphene","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Diez-Carlon, D. K. Efetov, G. Di Battista, K.C. Fong, K. Watanabe, T. Taniguchi","submitted_at":"2024-03-04T13:51:18Z","abstract_excerpt":"The superconducting (SC) state of magic-angle twisted bilayer graphene (MATBG) shows exceptional properties, as it consists of an unprecedentedly small electron (hole) ensemble of only ~ 10 power 11 carriers per square centimeter, which is five orders of magnitude lower than in traditional superconductors. This results in an ultra-low electronic heat capacity and kinetic inductance of this truly two-dimensional SC, and provides record-breaking key parameters for a variety of quantum sensing applications, in particular in thermal sensing and single photon detection (SPD), which traditionally ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.02049","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/2403.02049/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":"2026-07-05T07:51:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h/TdrTWvx4bh6UXGrXl6K7Ac8lnD5sJN/E5CLYFportuAqrP9C2PoCw5JVSbb1UPc0O70NodngQBQIIgP+t4BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:40:25.315705Z"},"content_sha256":"62f66b57287e85f4662259f11990482a1c715222df65a3c1ea201b7b6cf75337","schema_version":"1.0","event_id":"sha256:62f66b57287e85f4662259f11990482a1c715222df65a3c1ea201b7b6cf75337"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GICFZBXWXKN66L2EHDTF5LDTRW/bundle.json","state_url":"https://pith.science/pith/GICFZBXWXKN66L2EHDTF5LDTRW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GICFZBXWXKN66L2EHDTF5LDTRW/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":"2026-08-05T10:40:25Z","links":{"resolver":"https://pith.science/pith/GICFZBXWXKN66L2EHDTF5LDTRW","bundle":"https://pith.science/pith/GICFZBXWXKN66L2EHDTF5LDTRW/bundle.json","state":"https://pith.science/pith/GICFZBXWXKN66L2EHDTF5LDTRW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GICFZBXWXKN66L2EHDTF5LDTRW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:GICFZBXWXKN66L2EHDTF5LDTRW","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":"b88c576cabeb150a6d0c9ced98308d144d796af4376d30d2d9a32423c9ad891c","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-03-04T13:51:18Z","title_canon_sha256":"f203e6af64498cf30b045ede327923c743709ad22f59c89bf8d8613f7bd350e4"},"schema_version":"1.0","source":{"id":"2403.02049","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.02049","created_at":"2026-07-05T07:51:55Z"},{"alias_kind":"arxiv_version","alias_value":"2403.02049v1","created_at":"2026-07-05T07:51:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.02049","created_at":"2026-07-05T07:51:55Z"},{"alias_kind":"pith_short_12","alias_value":"GICFZBXWXKN6","created_at":"2026-07-05T07:51:55Z"},{"alias_kind":"pith_short_16","alias_value":"GICFZBXWXKN66L2E","created_at":"2026-07-05T07:51:55Z"},{"alias_kind":"pith_short_8","alias_value":"GICFZBXW","created_at":"2026-07-05T07:51:55Z"}],"graph_snapshots":[{"event_id":"sha256:62f66b57287e85f4662259f11990482a1c715222df65a3c1ea201b7b6cf75337","target":"graph","created_at":"2026-07-05T07:51:55Z","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/2403.02049/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The superconducting (SC) state of magic-angle twisted bilayer graphene (MATBG) shows exceptional properties, as it consists of an unprecedentedly small electron (hole) ensemble of only ~ 10 power 11 carriers per square centimeter, which is five orders of magnitude lower than in traditional superconductors. This results in an ultra-low electronic heat capacity and kinetic inductance of this truly two-dimensional SC, and provides record-breaking key parameters for a variety of quantum sensing applications, in particular in thermal sensing and single photon detection (SPD), which traditionally ex","authors_text":"A. Diez-Carlon, D. K. Efetov, G. Di Battista, K.C. Fong, K. Watanabe, T. Taniguchi","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-03-04T13:51:18Z","title":"Ultra-low carrier density superconducting bolometers with single photon sensitivity based on magic-angle twisted bilayer graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.02049","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":"sha256:80cccad893af22f94018eac04cc394e7b9dda2aa07476cc0fc0a75796164d703","target":"record","created_at":"2026-07-05T07:51:55Z","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":"b88c576cabeb150a6d0c9ced98308d144d796af4376d30d2d9a32423c9ad891c","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-03-04T13:51:18Z","title_canon_sha256":"f203e6af64498cf30b045ede327923c743709ad22f59c89bf8d8613f7bd350e4"},"schema_version":"1.0","source":{"id":"2403.02049","kind":"arxiv","version":1}},"canonical_sha256":"32045c86f6ba9bef2f4438e65eac738da667cd722e82094066814d7ff82ed8bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32045c86f6ba9bef2f4438e65eac738da667cd722e82094066814d7ff82ed8bf","first_computed_at":"2026-07-05T07:51:55.813115Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:51:55.813115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yFSg7ugsItuyasFykpTDwWO97HsIa7x3amMbI858PqB23GYiftEVYkEStuluXheiqMteHyxSuVV8+ZsHUZfODQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:51:55.813612Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.02049","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80cccad893af22f94018eac04cc394e7b9dda2aa07476cc0fc0a75796164d703","sha256:62f66b57287e85f4662259f11990482a1c715222df65a3c1ea201b7b6cf75337"],"state_sha256":"e41dc03164a2a8854bead3debb928c75af4fe9cc8a61bfa4ab0cc6f3aa7677b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lf7kW6z4vtzacx9d9vkbhgbyBXhYLmrxgo8yUgpFRz6rdWd5Iq0d+cuClXerdzCYgcT/dEhGyTL9unw51TyFAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T10:40:25.321224Z","bundle_sha256":"8cfd5aaca1fa07624151e257168a7e2d9c74548f0fdf89084dc69a04ea9f0e7f"}}