{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:77ORW7XYECWNMPFBTDQSQRGN2K","short_pith_number":"pith:77ORW7XY","canonical_record":{"source":{"id":"2208.02220","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-03T17:18:33Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"c105baa25f99c28f3bfcbc33e35394c30db2cee85367aafef610fcce2bad2e02","abstract_canon_sha256":"8ee7730c75157c3e0c6f9c3210f3a20fa1880968bb559b36e73b33e4773d0495"},"schema_version":"1.0"},"canonical_sha256":"ffdd1b7ef820acd63ca198e12844cdd2a8461a31b6f2ecf83e6ecd27176070f7","source":{"kind":"arxiv","id":"2208.02220","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.02220","created_at":"2026-07-05T05:43:52Z"},{"alias_kind":"arxiv_version","alias_value":"2208.02220v2","created_at":"2026-07-05T05:43:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.02220","created_at":"2026-07-05T05:43:52Z"},{"alias_kind":"pith_short_12","alias_value":"77ORW7XYECWN","created_at":"2026-07-05T05:43:52Z"},{"alias_kind":"pith_short_16","alias_value":"77ORW7XYECWNMPFB","created_at":"2026-07-05T05:43:52Z"},{"alias_kind":"pith_short_8","alias_value":"77ORW7XY","created_at":"2026-07-05T05:43:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:77ORW7XYECWNMPFBTDQSQRGN2K","target":"record","payload":{"canonical_record":{"source":{"id":"2208.02220","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-03T17:18:33Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"c105baa25f99c28f3bfcbc33e35394c30db2cee85367aafef610fcce2bad2e02","abstract_canon_sha256":"8ee7730c75157c3e0c6f9c3210f3a20fa1880968bb559b36e73b33e4773d0495"},"schema_version":"1.0"},"canonical_sha256":"ffdd1b7ef820acd63ca198e12844cdd2a8461a31b6f2ecf83e6ecd27176070f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:43:52.766085Z","signature_b64":"dXs50QmuUHG2mfAwXn5PmGrTybYU2sQyl3LE2KacQXTMsu52QMchk9g3Gd+1OEc0gdrnSPSStCavsKYCZMJnBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ffdd1b7ef820acd63ca198e12844cdd2a8461a31b6f2ecf83e6ecd27176070f7","last_reissued_at":"2026-07-05T05:43:52.765562Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:43:52.765562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.02220","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:43:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gKnf0HrLe04XW2RcVyExV4BmwjR3DtMb72lv4QzgvR+fX7uSFrmiDIAJe+UkRJRcuQinx7BnaBIHH2B0cXGACA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:59:17.459909Z"},"content_sha256":"bb733bbe3dd39608f9aadc76139d91f60cbd92ab7e7680cd0062116c06c896e1","schema_version":"1.0","event_id":"sha256:bb733bbe3dd39608f9aadc76139d91f60cbd92ab7e7680cd0062116c06c896e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:77ORW7XYECWNMPFBTDQSQRGN2K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin-dependent transmission in curved graphene superlattice","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Ahmed Jellal, El Houssine Atmani, Jaouad El-hassouny","submitted_at":"2022-08-03T17:18:33Z","abstract_excerpt":"We investigate spin-dependent transmission in a curved graphene superlattice of $N$ cells where each one is made up of four regions. The first is concave, and the third is convex, two arcs of circles separated by a distance $d$ from flat graphene sheets. The tunneling analysis allows us to determine all transmission and reflection channels associated with our system. As a result, we show that the number of cells acts by decreasing the transmissions with the same spin. We predict a solid spin-filtering effect when $d$ and $N$ are sufficiently large. Finally, it is determined that the degree and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.02220","kind":"arxiv","version":2},"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/2208.02220/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":"2026-07-05T05:43:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8oxyqfx+6PlsdgqPdTXr1E0+RZJGVeiucmsGOVl/JidmGCQbbcVFOjQm9aUlU+VYYhZKeoU4cVCJ6wMtXdi4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:59:17.460568Z"},"content_sha256":"8268115e09f6f6714d8ed220babf0aa55f04da5ee98551001a1540253e0ac1ba","schema_version":"1.0","event_id":"sha256:8268115e09f6f6714d8ed220babf0aa55f04da5ee98551001a1540253e0ac1ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/77ORW7XYECWNMPFBTDQSQRGN2K/bundle.json","state_url":"https://pith.science/pith/77ORW7XYECWNMPFBTDQSQRGN2K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/77ORW7XYECWNMPFBTDQSQRGN2K/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":"2026-08-04T15:59:17Z","links":{"resolver":"https://pith.science/pith/77ORW7XYECWNMPFBTDQSQRGN2K","bundle":"https://pith.science/pith/77ORW7XYECWNMPFBTDQSQRGN2K/bundle.json","state":"https://pith.science/pith/77ORW7XYECWNMPFBTDQSQRGN2K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/77ORW7XYECWNMPFBTDQSQRGN2K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:77ORW7XYECWNMPFBTDQSQRGN2K","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":"8ee7730c75157c3e0c6f9c3210f3a20fa1880968bb559b36e73b33e4773d0495","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-03T17:18:33Z","title_canon_sha256":"c105baa25f99c28f3bfcbc33e35394c30db2cee85367aafef610fcce2bad2e02"},"schema_version":"1.0","source":{"id":"2208.02220","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.02220","created_at":"2026-07-05T05:43:52Z"},{"alias_kind":"arxiv_version","alias_value":"2208.02220v2","created_at":"2026-07-05T05:43:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.02220","created_at":"2026-07-05T05:43:52Z"},{"alias_kind":"pith_short_12","alias_value":"77ORW7XYECWN","created_at":"2026-07-05T05:43:52Z"},{"alias_kind":"pith_short_16","alias_value":"77ORW7XYECWNMPFB","created_at":"2026-07-05T05:43:52Z"},{"alias_kind":"pith_short_8","alias_value":"77ORW7XY","created_at":"2026-07-05T05:43:52Z"}],"graph_snapshots":[{"event_id":"sha256:8268115e09f6f6714d8ed220babf0aa55f04da5ee98551001a1540253e0ac1ba","target":"graph","created_at":"2026-07-05T05:43:52Z","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/2208.02220/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate spin-dependent transmission in a curved graphene superlattice of $N$ cells where each one is made up of four regions. The first is concave, and the third is convex, two arcs of circles separated by a distance $d$ from flat graphene sheets. The tunneling analysis allows us to determine all transmission and reflection channels associated with our system. As a result, we show that the number of cells acts by decreasing the transmissions with the same spin. We predict a solid spin-filtering effect when $d$ and $N$ are sufficiently large. Finally, it is determined that the degree and","authors_text":"Ahmed Jellal, El Houssine Atmani, Jaouad El-hassouny","cross_cats":["quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-03T17:18:33Z","title":"Spin-dependent transmission in curved graphene superlattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.02220","kind":"arxiv","version":2},"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:bb733bbe3dd39608f9aadc76139d91f60cbd92ab7e7680cd0062116c06c896e1","target":"record","created_at":"2026-07-05T05:43:52Z","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":"8ee7730c75157c3e0c6f9c3210f3a20fa1880968bb559b36e73b33e4773d0495","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-03T17:18:33Z","title_canon_sha256":"c105baa25f99c28f3bfcbc33e35394c30db2cee85367aafef610fcce2bad2e02"},"schema_version":"1.0","source":{"id":"2208.02220","kind":"arxiv","version":2}},"canonical_sha256":"ffdd1b7ef820acd63ca198e12844cdd2a8461a31b6f2ecf83e6ecd27176070f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ffdd1b7ef820acd63ca198e12844cdd2a8461a31b6f2ecf83e6ecd27176070f7","first_computed_at":"2026-07-05T05:43:52.765562Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:43:52.765562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dXs50QmuUHG2mfAwXn5PmGrTybYU2sQyl3LE2KacQXTMsu52QMchk9g3Gd+1OEc0gdrnSPSStCavsKYCZMJnBw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:43:52.766085Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.02220","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb733bbe3dd39608f9aadc76139d91f60cbd92ab7e7680cd0062116c06c896e1","sha256:8268115e09f6f6714d8ed220babf0aa55f04da5ee98551001a1540253e0ac1ba"],"state_sha256":"4bb6d8904170964af9fc41eb2d14f4c0e5749f527fe84eab48546fc7312a4a79"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4VI7hT2KI+lZzBFrkAHGR2jkA0NaB4tXCGOm4aIR00NyfYYfJ/a442g4jFOan6kdYJ4PCjfQ/vp5gtZOcNOcDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T15:59:17.485935Z","bundle_sha256":"62610e99d82f6924a19dd766a04b9b3ff775fa65891ac18a4680453b47efec70"}}