{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ZC5UTPHHQSNK7OSN4AKPVBFO3V","short_pith_number":"pith:ZC5UTPHH","canonical_record":{"source":{"id":"1810.09421","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-22T17:39:47Z","cross_cats_sorted":[],"title_canon_sha256":"926733c8b9ca0abca928836b149acaa06590ff4310647598a76f70e79948a978","abstract_canon_sha256":"22eb7d10dd989f71baf290a50ebb9b109011139cbaaf9d6756920534be5bc9db"},"schema_version":"1.0"},"canonical_sha256":"c8bb49bce7849aafba4de014fa84aedd42d5cebbee03f8fb9dc298f81737c9a9","source":{"kind":"arxiv","id":"1810.09421","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09421","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09421v1","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09421","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"pith_short_12","alias_value":"ZC5UTPHHQSNK","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"ZC5UTPHHQSNK7OSN","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"ZC5UTPHH","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ZC5UTPHHQSNK7OSN4AKPVBFO3V","target":"record","payload":{"canonical_record":{"source":{"id":"1810.09421","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-22T17:39:47Z","cross_cats_sorted":[],"title_canon_sha256":"926733c8b9ca0abca928836b149acaa06590ff4310647598a76f70e79948a978","abstract_canon_sha256":"22eb7d10dd989f71baf290a50ebb9b109011139cbaaf9d6756920534be5bc9db"},"schema_version":"1.0"},"canonical_sha256":"c8bb49bce7849aafba4de014fa84aedd42d5cebbee03f8fb9dc298f81737c9a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:17.364952Z","signature_b64":"hVrG28XtpEBE18elyzjbHc3NZju+J+m91AxcH2CneuvAuLDMMvHLe3B4UCpyeYiEqj/GTXInz1V6xmHdk64rDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8bb49bce7849aafba4de014fa84aedd42d5cebbee03f8fb9dc298f81737c9a9","last_reissued_at":"2026-05-17T23:56:17.364189Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:17.364189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.09421","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":"2026-05-17T23:56:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"82wW6qMYhBuC8/tw3vYUZeO7F+PdtZc9w0ignwmW+n+bR08fFDVIzxfvT+rGnirb2t1TdF8hSL2DJyO6eiIxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T16:47:18.861214Z"},"content_sha256":"4b7a163490d9c4aa59ea5e476691e67968b357054ab5319ad211a195baa9743c","schema_version":"1.0","event_id":"sha256:4b7a163490d9c4aa59ea5e476691e67968b357054ab5319ad211a195baa9743c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ZC5UTPHHQSNK7OSN4AKPVBFO3V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Valley engineering by strain in Kekul\\'e-distorted graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Elias Andrade, Gerardo G. Naumis, Ramon Carrillo-Bastos","submitted_at":"2018-10-22T17:39:47Z","abstract_excerpt":"A Kekul\\'e bond texture in graphene modifies the electronic band structure by folding the Brillouin zone and bringing the two inequivalent Dirac points to the center. This can result, in the opening of a gap (Kek-O) or the locking of the valley degree of freedom with the direction of motion (Kek-Y). We analyze the effects of uniaxial strain on the band structure of Kekul\\'e-distorted graphene for both textures. Using a tight-binding approach, we introduce strain by considering the hopping renormalization and corresponding geometrical modifications of the Brillouin zone. We numerically evaluate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09421","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":""},"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":"2026-05-17T23:56:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"juazJw42OwFaOmNu8gwD5kqlTHx7WC3cIyuRTVaYrF195BE3m4KqEN7zoFaYZieZL7j4dIDPxcd+UBWwPqobCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T16:47:18.861576Z"},"content_sha256":"76b959f4fa3d7209ddd5b00089600113e9a015bbf965dc604f5406dcead196ef","schema_version":"1.0","event_id":"sha256:76b959f4fa3d7209ddd5b00089600113e9a015bbf965dc604f5406dcead196ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZC5UTPHHQSNK7OSN4AKPVBFO3V/bundle.json","state_url":"https://pith.science/pith/ZC5UTPHHQSNK7OSN4AKPVBFO3V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZC5UTPHHQSNK7OSN4AKPVBFO3V/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":"2026-07-03T16:47:18Z","links":{"resolver":"https://pith.science/pith/ZC5UTPHHQSNK7OSN4AKPVBFO3V","bundle":"https://pith.science/pith/ZC5UTPHHQSNK7OSN4AKPVBFO3V/bundle.json","state":"https://pith.science/pith/ZC5UTPHHQSNK7OSN4AKPVBFO3V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZC5UTPHHQSNK7OSN4AKPVBFO3V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZC5UTPHHQSNK7OSN4AKPVBFO3V","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":"22eb7d10dd989f71baf290a50ebb9b109011139cbaaf9d6756920534be5bc9db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-22T17:39:47Z","title_canon_sha256":"926733c8b9ca0abca928836b149acaa06590ff4310647598a76f70e79948a978"},"schema_version":"1.0","source":{"id":"1810.09421","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09421","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09421v1","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09421","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"pith_short_12","alias_value":"ZC5UTPHHQSNK","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"ZC5UTPHHQSNK7OSN","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"ZC5UTPHH","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:76b959f4fa3d7209ddd5b00089600113e9a015bbf965dc604f5406dcead196ef","target":"graph","created_at":"2026-05-17T23:56:17Z","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"},"paper":{"abstract_excerpt":"A Kekul\\'e bond texture in graphene modifies the electronic band structure by folding the Brillouin zone and bringing the two inequivalent Dirac points to the center. This can result, in the opening of a gap (Kek-O) or the locking of the valley degree of freedom with the direction of motion (Kek-Y). We analyze the effects of uniaxial strain on the band structure of Kekul\\'e-distorted graphene for both textures. Using a tight-binding approach, we introduce strain by considering the hopping renormalization and corresponding geometrical modifications of the Brillouin zone. We numerically evaluate","authors_text":"Elias Andrade, Gerardo G. Naumis, Ramon Carrillo-Bastos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-22T17:39:47Z","title":"Valley engineering by strain in Kekul\\'e-distorted graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09421","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":"sha256:4b7a163490d9c4aa59ea5e476691e67968b357054ab5319ad211a195baa9743c","target":"record","created_at":"2026-05-17T23:56:17Z","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":"22eb7d10dd989f71baf290a50ebb9b109011139cbaaf9d6756920534be5bc9db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-22T17:39:47Z","title_canon_sha256":"926733c8b9ca0abca928836b149acaa06590ff4310647598a76f70e79948a978"},"schema_version":"1.0","source":{"id":"1810.09421","kind":"arxiv","version":1}},"canonical_sha256":"c8bb49bce7849aafba4de014fa84aedd42d5cebbee03f8fb9dc298f81737c9a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8bb49bce7849aafba4de014fa84aedd42d5cebbee03f8fb9dc298f81737c9a9","first_computed_at":"2026-05-17T23:56:17.364189Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:17.364189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hVrG28XtpEBE18elyzjbHc3NZju+J+m91AxcH2CneuvAuLDMMvHLe3B4UCpyeYiEqj/GTXInz1V6xmHdk64rDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:17.364952Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.09421","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b7a163490d9c4aa59ea5e476691e67968b357054ab5319ad211a195baa9743c","sha256:76b959f4fa3d7209ddd5b00089600113e9a015bbf965dc604f5406dcead196ef"],"state_sha256":"37960602005f8a23086622a339b45170a51c429839bd34778b6727afa4ebc9fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i2KIUH8W8WJDao9zjC1iq8uHs7aOPNrD52p9OGuZupxFyWBFO9UKY9yLt8fDCaqqnBs4dtRvxX3xZmEUCNmECA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T16:47:18.863476Z","bundle_sha256":"6c82f34baeec825c056df80f94021d884738d8d85880088d4e0ce04d572cb6f8"}}