{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:6IQEBN5NXAKBGPBHVPBWVWLEZX","short_pith_number":"pith:6IQEBN5N","canonical_record":{"source":{"id":"2607.00271","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.other","submitted_at":"2026-06-30T23:37:10Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f48d03f5945f37d4dec6b056cd5903e6baa457ccf543e1e6450fb359b70978a7","abstract_canon_sha256":"8cb1cc74a06d234c6077b9e55a043692eb5f1116b1696cc71fe5694103d45909"},"schema_version":"1.0"},"canonical_sha256":"f22040b7adb814133c27abc36ad964cde27693998fd8610b89234f207cf5fdb6","source":{"kind":"arxiv","id":"2607.00271","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00271","created_at":"2026-07-02T00:18:42Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00271v1","created_at":"2026-07-02T00:18:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00271","created_at":"2026-07-02T00:18:42Z"},{"alias_kind":"pith_short_12","alias_value":"6IQEBN5NXAKB","created_at":"2026-07-02T00:18:42Z"},{"alias_kind":"pith_short_16","alias_value":"6IQEBN5NXAKBGPBH","created_at":"2026-07-02T00:18:42Z"},{"alias_kind":"pith_short_8","alias_value":"6IQEBN5N","created_at":"2026-07-02T00:18:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:6IQEBN5NXAKBGPBHVPBWVWLEZX","target":"record","payload":{"canonical_record":{"source":{"id":"2607.00271","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.other","submitted_at":"2026-06-30T23:37:10Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f48d03f5945f37d4dec6b056cd5903e6baa457ccf543e1e6450fb359b70978a7","abstract_canon_sha256":"8cb1cc74a06d234c6077b9e55a043692eb5f1116b1696cc71fe5694103d45909"},"schema_version":"1.0"},"canonical_sha256":"f22040b7adb814133c27abc36ad964cde27693998fd8610b89234f207cf5fdb6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-02T00:18:42.201667Z","signature_b64":"YRJYTjjVjqY29gM8bq1tDhPM4qaJ5uwgzSvNO1E3QxdEtYzu9hprnJA3weNU8zmu8kbd85n8dBGSn0+A976lAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f22040b7adb814133c27abc36ad964cde27693998fd8610b89234f207cf5fdb6","last_reissued_at":"2026-07-02T00:18:42.200768Z","signature_status":"signed_v1","first_computed_at":"2026-07-02T00:18:42.200768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.00271","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":"2026-07-02T00:18:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4eVDb//iFpodl1IiycusKpvnBj6z6cVyxodj3MJuizeZtj5Rh8bDKmVpOdB4wZnaQqsYtBdrgfcymN2aQzOIBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:22:11.840535Z"},"content_sha256":"cfa5f18359deb8529064c37fc10c5d0e61dc48406d7d21ec34596469409627c1","schema_version":"1.0","event_id":"sha256:cfa5f18359deb8529064c37fc10c5d0e61dc48406d7d21ec34596469409627c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:6IQEBN5NXAKBGPBHVPBWVWLEZX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Valley-dependent electron optics using quantum dots in bilayer graphene","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.other","authors_text":"Fereshte Ildarabadi, Stephen R. Power","submitted_at":"2026-06-30T23:37:10Z","abstract_excerpt":"Electrostatically defined quantum dots (QDs) with layer-antisymmetric gating in Bernal-stacked bilayer graphene (BLG) open a local gap and generate a mass-like term with opposite sign in the two valleys, producing strongly valley-dependent scattering without magnetic fields, strain, or spin-orbit coupling. Building on this mechanism, we propose a tunable platform based on such QDs for valley-dependent electron optics in BLG. Using a four-band continuum model and a generalized multiple-scattering formalism, we analyze scattering of Gaussian electron beams from single- and multi-dot architecture"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00271","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/2607.00271/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":"2026-07-02T00:18:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PiRZ7gr3l7jVfFUkcoK1FVTFe6zJXr6UN8JQ3O6c2Rq5cUx5J8GZFaqcvbN+rcagd2V2HhW27wmK/IIfeFguDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:22:11.841084Z"},"content_sha256":"ceba3a3425d210b39d593288f466e2a1a404737c7d70563cf4c1aed56a9d5138","schema_version":"1.0","event_id":"sha256:ceba3a3425d210b39d593288f466e2a1a404737c7d70563cf4c1aed56a9d5138"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6IQEBN5NXAKBGPBHVPBWVWLEZX/bundle.json","state_url":"https://pith.science/pith/6IQEBN5NXAKBGPBHVPBWVWLEZX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6IQEBN5NXAKBGPBHVPBWVWLEZX/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":"2026-08-05T11:22:11Z","links":{"resolver":"https://pith.science/pith/6IQEBN5NXAKBGPBHVPBWVWLEZX","bundle":"https://pith.science/pith/6IQEBN5NXAKBGPBHVPBWVWLEZX/bundle.json","state":"https://pith.science/pith/6IQEBN5NXAKBGPBHVPBWVWLEZX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6IQEBN5NXAKBGPBHVPBWVWLEZX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6IQEBN5NXAKBGPBHVPBWVWLEZX","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":"8cb1cc74a06d234c6077b9e55a043692eb5f1116b1696cc71fe5694103d45909","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.other","submitted_at":"2026-06-30T23:37:10Z","title_canon_sha256":"f48d03f5945f37d4dec6b056cd5903e6baa457ccf543e1e6450fb359b70978a7"},"schema_version":"1.0","source":{"id":"2607.00271","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00271","created_at":"2026-07-02T00:18:42Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00271v1","created_at":"2026-07-02T00:18:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00271","created_at":"2026-07-02T00:18:42Z"},{"alias_kind":"pith_short_12","alias_value":"6IQEBN5NXAKB","created_at":"2026-07-02T00:18:42Z"},{"alias_kind":"pith_short_16","alias_value":"6IQEBN5NXAKBGPBH","created_at":"2026-07-02T00:18:42Z"},{"alias_kind":"pith_short_8","alias_value":"6IQEBN5N","created_at":"2026-07-02T00:18:42Z"}],"graph_snapshots":[{"event_id":"sha256:ceba3a3425d210b39d593288f466e2a1a404737c7d70563cf4c1aed56a9d5138","target":"graph","created_at":"2026-07-02T00:18:42Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.00271/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Electrostatically defined quantum dots (QDs) with layer-antisymmetric gating in Bernal-stacked bilayer graphene (BLG) open a local gap and generate a mass-like term with opposite sign in the two valleys, producing strongly valley-dependent scattering without magnetic fields, strain, or spin-orbit coupling. Building on this mechanism, we propose a tunable platform based on such QDs for valley-dependent electron optics in BLG. Using a four-band continuum model and a generalized multiple-scattering formalism, we analyze scattering of Gaussian electron beams from single- and multi-dot architecture","authors_text":"Fereshte Ildarabadi, Stephen R. Power","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.other","submitted_at":"2026-06-30T23:37:10Z","title":"Valley-dependent electron optics using quantum dots in bilayer graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00271","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:cfa5f18359deb8529064c37fc10c5d0e61dc48406d7d21ec34596469409627c1","target":"record","created_at":"2026-07-02T00:18:42Z","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":"8cb1cc74a06d234c6077b9e55a043692eb5f1116b1696cc71fe5694103d45909","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.other","submitted_at":"2026-06-30T23:37:10Z","title_canon_sha256":"f48d03f5945f37d4dec6b056cd5903e6baa457ccf543e1e6450fb359b70978a7"},"schema_version":"1.0","source":{"id":"2607.00271","kind":"arxiv","version":1}},"canonical_sha256":"f22040b7adb814133c27abc36ad964cde27693998fd8610b89234f207cf5fdb6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f22040b7adb814133c27abc36ad964cde27693998fd8610b89234f207cf5fdb6","first_computed_at":"2026-07-02T00:18:42.200768Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-02T00:18:42.200768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YRJYTjjVjqY29gM8bq1tDhPM4qaJ5uwgzSvNO1E3QxdEtYzu9hprnJA3weNU8zmu8kbd85n8dBGSn0+A976lAQ==","signature_status":"signed_v1","signed_at":"2026-07-02T00:18:42.201667Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.00271","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cfa5f18359deb8529064c37fc10c5d0e61dc48406d7d21ec34596469409627c1","sha256:ceba3a3425d210b39d593288f466e2a1a404737c7d70563cf4c1aed56a9d5138"],"state_sha256":"29698c5172f85a020e7a9181db8bd7e870ba62b43367dd570f908eca635f84ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pV3CIImBkWAcykRkTYw6g+yqu0y6WElXAe/7mMTGAbR4PYQ55AA0oo0yYy5icKV2wF5szu82KqVuXYoBzmWcAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T11:22:11.846662Z","bundle_sha256":"02852ab3ed91398d8beddf6663d6a2cf2f5cc07730dbcd95befb071572c5d96a"}}