{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:62P7CIBZLYM43BQ7Z7MZFOY3TR","short_pith_number":"pith:62P7CIBZ","canonical_record":{"source":{"id":"2402.14057","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-02-21T19:00:01Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"ec831b9df566daf40d39412683fbd1f80551e34f586ad4f67849812fe62f5ed1","abstract_canon_sha256":"ef53efa9788b42ffd41615904bb8cc1e84dd8ab28238d2b42e7e9eaf5741a55a"},"schema_version":"1.0"},"canonical_sha256":"f69ff120395e19cd861fcfd992bb1b9c7c0f99716b23b58bfb980eb79449a938","source":{"kind":"arxiv","id":"2402.14057","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.14057","created_at":"2026-07-05T07:48:05Z"},{"alias_kind":"arxiv_version","alias_value":"2402.14057v1","created_at":"2026-07-05T07:48:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.14057","created_at":"2026-07-05T07:48:05Z"},{"alias_kind":"pith_short_12","alias_value":"62P7CIBZLYM4","created_at":"2026-07-05T07:48:05Z"},{"alias_kind":"pith_short_16","alias_value":"62P7CIBZLYM43BQ7","created_at":"2026-07-05T07:48:05Z"},{"alias_kind":"pith_short_8","alias_value":"62P7CIBZ","created_at":"2026-07-05T07:48:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:62P7CIBZLYM43BQ7Z7MZFOY3TR","target":"record","payload":{"canonical_record":{"source":{"id":"2402.14057","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-02-21T19:00:01Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"ec831b9df566daf40d39412683fbd1f80551e34f586ad4f67849812fe62f5ed1","abstract_canon_sha256":"ef53efa9788b42ffd41615904bb8cc1e84dd8ab28238d2b42e7e9eaf5741a55a"},"schema_version":"1.0"},"canonical_sha256":"f69ff120395e19cd861fcfd992bb1b9c7c0f99716b23b58bfb980eb79449a938","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:48:05.415351Z","signature_b64":"WtBbRKRTYZEX8mJeZommr/nsN/M2h3WhbiSKkVudddzBuuxJhr4cvyZqn3SUjmnoo7h1Z3p1AgXwhv/VYZeGCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f69ff120395e19cd861fcfd992bb1b9c7c0f99716b23b58bfb980eb79449a938","last_reissued_at":"2026-07-05T07:48:05.414882Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:48:05.414882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.14057","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":"2026-07-05T07:48:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z/IEOzpMcyn4p6M2hYVeAyTOHP1imhl0Ydik9TbdqUaHHa94wPpBuRlz2D0VmM0YaZQ+xfe6foaPqO+MxSE4Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T21:00:55.420440Z"},"content_sha256":"b094ea45f8599388c46ec4466347c262f77f5ee80ee0a0898125e947e0be7ecd","schema_version":"1.0","event_id":"sha256:b094ea45f8599388c46ec4466347c262f77f5ee80ee0a0898125e947e0be7ecd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:62P7CIBZLYM43BQ7Z7MZFOY3TR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Thermoelectric Effect and Its Natural Heavy Fermion Explanation in Twisted Bilayer and Trilayer Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"B. Andrei Bernevig, Dmitri K. Efetov, Dumitru C\\u{a}lug\\u{a}ru, Haoyu Hu, Nicolas Regnault, Rafael Luque Merino","submitted_at":"2024-02-21T19:00:01Z","abstract_excerpt":"We study the interacting transport properties of twisted bilayer graphene (TBG) using the topological heavy-fermion (THF) model. In the THF model, TBG comprises localized, correlated $f$-electrons and itinerant, dispersive $c$-electrons. We focus on the Seebeck coefficient, which quantifies the voltage difference arising from a temperature gradient. We find that the TBG's Seebeck coefficient shows unconventional (strongly-interacting) traits: negative values with sawtooth oscillations at positive fillings, contrasting typical band-theory expectations. This behavior is naturally attributed to t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.14057","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/2402.14057/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":"2026-07-05T07:48:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9vUx2/3LCAzvSeeN4s31BEvNZYCxk1DJ7Abr4tu+6ls37YnUt8p7vbXvH1ExqEfz3HoBPk1DsBql9s1xY6+UBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T21:00:55.421004Z"},"content_sha256":"d01f5ad91bf536ee9e616b74b783e423219d8af1e90589f9ba2c4dfe6a13c293","schema_version":"1.0","event_id":"sha256:d01f5ad91bf536ee9e616b74b783e423219d8af1e90589f9ba2c4dfe6a13c293"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/62P7CIBZLYM43BQ7Z7MZFOY3TR/bundle.json","state_url":"https://pith.science/pith/62P7CIBZLYM43BQ7Z7MZFOY3TR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/62P7CIBZLYM43BQ7Z7MZFOY3TR/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":"2026-08-09T21:00:55Z","links":{"resolver":"https://pith.science/pith/62P7CIBZLYM43BQ7Z7MZFOY3TR","bundle":"https://pith.science/pith/62P7CIBZLYM43BQ7Z7MZFOY3TR/bundle.json","state":"https://pith.science/pith/62P7CIBZLYM43BQ7Z7MZFOY3TR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/62P7CIBZLYM43BQ7Z7MZFOY3TR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:62P7CIBZLYM43BQ7Z7MZFOY3TR","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":"ef53efa9788b42ffd41615904bb8cc1e84dd8ab28238d2b42e7e9eaf5741a55a","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-02-21T19:00:01Z","title_canon_sha256":"ec831b9df566daf40d39412683fbd1f80551e34f586ad4f67849812fe62f5ed1"},"schema_version":"1.0","source":{"id":"2402.14057","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.14057","created_at":"2026-07-05T07:48:05Z"},{"alias_kind":"arxiv_version","alias_value":"2402.14057v1","created_at":"2026-07-05T07:48:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.14057","created_at":"2026-07-05T07:48:05Z"},{"alias_kind":"pith_short_12","alias_value":"62P7CIBZLYM4","created_at":"2026-07-05T07:48:05Z"},{"alias_kind":"pith_short_16","alias_value":"62P7CIBZLYM43BQ7","created_at":"2026-07-05T07:48:05Z"},{"alias_kind":"pith_short_8","alias_value":"62P7CIBZ","created_at":"2026-07-05T07:48:05Z"}],"graph_snapshots":[{"event_id":"sha256:d01f5ad91bf536ee9e616b74b783e423219d8af1e90589f9ba2c4dfe6a13c293","target":"graph","created_at":"2026-07-05T07:48:05Z","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/2402.14057/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the interacting transport properties of twisted bilayer graphene (TBG) using the topological heavy-fermion (THF) model. In the THF model, TBG comprises localized, correlated $f$-electrons and itinerant, dispersive $c$-electrons. We focus on the Seebeck coefficient, which quantifies the voltage difference arising from a temperature gradient. We find that the TBG's Seebeck coefficient shows unconventional (strongly-interacting) traits: negative values with sawtooth oscillations at positive fillings, contrasting typical band-theory expectations. This behavior is naturally attributed to t","authors_text":"B. Andrei Bernevig, Dmitri K. Efetov, Dumitru C\\u{a}lug\\u{a}ru, Haoyu Hu, Nicolas Regnault, Rafael Luque Merino","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-02-21T19:00:01Z","title":"The Thermoelectric Effect and Its Natural Heavy Fermion Explanation in Twisted Bilayer and Trilayer Graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.14057","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:b094ea45f8599388c46ec4466347c262f77f5ee80ee0a0898125e947e0be7ecd","target":"record","created_at":"2026-07-05T07:48:05Z","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":"ef53efa9788b42ffd41615904bb8cc1e84dd8ab28238d2b42e7e9eaf5741a55a","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-02-21T19:00:01Z","title_canon_sha256":"ec831b9df566daf40d39412683fbd1f80551e34f586ad4f67849812fe62f5ed1"},"schema_version":"1.0","source":{"id":"2402.14057","kind":"arxiv","version":1}},"canonical_sha256":"f69ff120395e19cd861fcfd992bb1b9c7c0f99716b23b58bfb980eb79449a938","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f69ff120395e19cd861fcfd992bb1b9c7c0f99716b23b58bfb980eb79449a938","first_computed_at":"2026-07-05T07:48:05.414882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:48:05.414882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WtBbRKRTYZEX8mJeZommr/nsN/M2h3WhbiSKkVudddzBuuxJhr4cvyZqn3SUjmnoo7h1Z3p1AgXwhv/VYZeGCg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:48:05.415351Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.14057","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b094ea45f8599388c46ec4466347c262f77f5ee80ee0a0898125e947e0be7ecd","sha256:d01f5ad91bf536ee9e616b74b783e423219d8af1e90589f9ba2c4dfe6a13c293"],"state_sha256":"320d6cb33438357a7aea1f01b1a944979b763c46a29f7bdc22fbbbe87b17122d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SHcBF5Jz5bAJzQKTkKGDLD7UHI6THw+tjivdkweO50rYnsUfZJBpC1EauIxxa0/6cvKqxS349WP8ACwY6Fv3AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T21:00:55.426771Z","bundle_sha256":"13fb8ff0fd93d5e873609cea5fdef63ed26a487ef1e818082efc5622674fb7c4"}}