{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZAXCEDJY5FAKMBTU5WNRGDQ4ST","short_pith_number":"pith:ZAXCEDJY","canonical_record":{"source":{"id":"2507.10887","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-07-15T01:00:44Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"b4022bfc9f9e4debfd07665b5f910cde25a5cc5eeba5610c333fa84ecea57fca","abstract_canon_sha256":"2a79b2ba0aa8fe8405119cb1fab2939c94464b0b721b5a8c5cf2870739a5e796"},"schema_version":"1.0"},"canonical_sha256":"c82e220d38e940a60674ed9b130e1c94e8c995de6aaabee59e6abdacac8cd65b","source":{"kind":"arxiv","id":"2507.10887","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.10887","created_at":"2026-07-05T11:37:27Z"},{"alias_kind":"arxiv_version","alias_value":"2507.10887v1","created_at":"2026-07-05T11:37:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.10887","created_at":"2026-07-05T11:37:27Z"},{"alias_kind":"pith_short_12","alias_value":"ZAXCEDJY5FAK","created_at":"2026-07-05T11:37:27Z"},{"alias_kind":"pith_short_16","alias_value":"ZAXCEDJY5FAKMBTU","created_at":"2026-07-05T11:37:27Z"},{"alias_kind":"pith_short_8","alias_value":"ZAXCEDJY","created_at":"2026-07-05T11:37:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZAXCEDJY5FAKMBTU5WNRGDQ4ST","target":"record","payload":{"canonical_record":{"source":{"id":"2507.10887","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-07-15T01:00:44Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"b4022bfc9f9e4debfd07665b5f910cde25a5cc5eeba5610c333fa84ecea57fca","abstract_canon_sha256":"2a79b2ba0aa8fe8405119cb1fab2939c94464b0b721b5a8c5cf2870739a5e796"},"schema_version":"1.0"},"canonical_sha256":"c82e220d38e940a60674ed9b130e1c94e8c995de6aaabee59e6abdacac8cd65b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:37:27.784407Z","signature_b64":"e8xoP/2B+wGAYsIByiw/CqLF4eMkl6oHp2bWcJnP6Bl9stNenNINPF4rud6MvItvxALiGYZX52frnRo94MitDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c82e220d38e940a60674ed9b130e1c94e8c995de6aaabee59e6abdacac8cd65b","last_reissued_at":"2026-07-05T11:37:27.783735Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:37:27.783735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.10887","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":"2026-07-05T11:37:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0q3Z7ChzjAw+15fShPqH885Z7omqmtVmSDtt8GdKZKwSlFGL6L2rV2abav6LFHtWOvcqTbOs/MFwmOePcK1hAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:45:05.465580Z"},"content_sha256":"ca28a0f1b7095c70e27483075b00b1da90f2f54d4c74e6276a91b80e462d01ee","schema_version":"1.0","event_id":"sha256:ca28a0f1b7095c70e27483075b00b1da90f2f54d4c74e6276a91b80e462d01ee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZAXCEDJY5FAKMBTU5WNRGDQ4ST","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tunable Interlayer Excitons in Bilayer Graphene Nanoribbons","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexandre R. Rocha, Cesar E. P. Villegas, Rodrigo G. Amorim, Wanderl\\~a L. Scopel","submitted_at":"2025-07-15T01:00:44Z","abstract_excerpt":"Vertically stacked van der Waals structures are promising platforms that enable layer engineering, opening new avenues for the quantum control of elementary excitations, including optically generated bound electron-hole pairs. Here we employ excited-state density functional calculations to demonstrate strong interlayer excitonic coupling in one-dimensional van der Waals nanostructures derived from armchair graphene nanoribbons. The excitonic response exhibits prominent peaks in the near-infrared range, mainly attributed to intralayer excitons, while interlayer excitations with absorption peak "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.10887","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/2507.10887/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":"2026-07-05T11:37:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bLbp7V3HZ8E9eEHAOGT6/IegB1GEYgGwjsOP9Gz29qcNJBfuZUNlQDL4SfCQocJ6mipdvfiDGpHDB58TQtQSCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:45:05.466106Z"},"content_sha256":"8d288e044abcd6c7fac6f3ed01cc8fd1005ac8475fe4cb38eaeeb4be501cbcf6","schema_version":"1.0","event_id":"sha256:8d288e044abcd6c7fac6f3ed01cc8fd1005ac8475fe4cb38eaeeb4be501cbcf6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZAXCEDJY5FAKMBTU5WNRGDQ4ST/bundle.json","state_url":"https://pith.science/pith/ZAXCEDJY5FAKMBTU5WNRGDQ4ST/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZAXCEDJY5FAKMBTU5WNRGDQ4ST/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":"2026-08-12T18:45:05Z","links":{"resolver":"https://pith.science/pith/ZAXCEDJY5FAKMBTU5WNRGDQ4ST","bundle":"https://pith.science/pith/ZAXCEDJY5FAKMBTU5WNRGDQ4ST/bundle.json","state":"https://pith.science/pith/ZAXCEDJY5FAKMBTU5WNRGDQ4ST/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZAXCEDJY5FAKMBTU5WNRGDQ4ST/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZAXCEDJY5FAKMBTU5WNRGDQ4ST","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":"2a79b2ba0aa8fe8405119cb1fab2939c94464b0b721b5a8c5cf2870739a5e796","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-07-15T01:00:44Z","title_canon_sha256":"b4022bfc9f9e4debfd07665b5f910cde25a5cc5eeba5610c333fa84ecea57fca"},"schema_version":"1.0","source":{"id":"2507.10887","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.10887","created_at":"2026-07-05T11:37:27Z"},{"alias_kind":"arxiv_version","alias_value":"2507.10887v1","created_at":"2026-07-05T11:37:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.10887","created_at":"2026-07-05T11:37:27Z"},{"alias_kind":"pith_short_12","alias_value":"ZAXCEDJY5FAK","created_at":"2026-07-05T11:37:27Z"},{"alias_kind":"pith_short_16","alias_value":"ZAXCEDJY5FAKMBTU","created_at":"2026-07-05T11:37:27Z"},{"alias_kind":"pith_short_8","alias_value":"ZAXCEDJY","created_at":"2026-07-05T11:37:27Z"}],"graph_snapshots":[{"event_id":"sha256:8d288e044abcd6c7fac6f3ed01cc8fd1005ac8475fe4cb38eaeeb4be501cbcf6","target":"graph","created_at":"2026-07-05T11:37:27Z","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/2507.10887/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Vertically stacked van der Waals structures are promising platforms that enable layer engineering, opening new avenues for the quantum control of elementary excitations, including optically generated bound electron-hole pairs. Here we employ excited-state density functional calculations to demonstrate strong interlayer excitonic coupling in one-dimensional van der Waals nanostructures derived from armchair graphene nanoribbons. The excitonic response exhibits prominent peaks in the near-infrared range, mainly attributed to intralayer excitons, while interlayer excitations with absorption peak ","authors_text":"Alexandre R. Rocha, Cesar E. P. Villegas, Rodrigo G. Amorim, Wanderl\\~a L. Scopel","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-07-15T01:00:44Z","title":"Tunable Interlayer Excitons in Bilayer Graphene Nanoribbons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.10887","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:ca28a0f1b7095c70e27483075b00b1da90f2f54d4c74e6276a91b80e462d01ee","target":"record","created_at":"2026-07-05T11:37:27Z","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":"2a79b2ba0aa8fe8405119cb1fab2939c94464b0b721b5a8c5cf2870739a5e796","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-07-15T01:00:44Z","title_canon_sha256":"b4022bfc9f9e4debfd07665b5f910cde25a5cc5eeba5610c333fa84ecea57fca"},"schema_version":"1.0","source":{"id":"2507.10887","kind":"arxiv","version":1}},"canonical_sha256":"c82e220d38e940a60674ed9b130e1c94e8c995de6aaabee59e6abdacac8cd65b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c82e220d38e940a60674ed9b130e1c94e8c995de6aaabee59e6abdacac8cd65b","first_computed_at":"2026-07-05T11:37:27.783735Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:37:27.783735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e8xoP/2B+wGAYsIByiw/CqLF4eMkl6oHp2bWcJnP6Bl9stNenNINPF4rud6MvItvxALiGYZX52frnRo94MitDg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:37:27.784407Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.10887","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca28a0f1b7095c70e27483075b00b1da90f2f54d4c74e6276a91b80e462d01ee","sha256:8d288e044abcd6c7fac6f3ed01cc8fd1005ac8475fe4cb38eaeeb4be501cbcf6"],"state_sha256":"caf634a1fdbe5d31aa6bb4a2a5a10ce6c6a420758df6779d05cf5fae68417680"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dd/X1n5I1E647KkIepMs53WdjEcsLttM//gAsgwjpC2vYLU2GG3y0yIfLw43A/rVE3RHuf/gQtq6Lr3yfgCjAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T18:45:05.471073Z","bundle_sha256":"82250d609b6a0145a2102a14d04e099affcf23b0dfba433fc3bfc1d3c24ad504"}}