{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:YV7MA4QZ2MQJ75ROD6EDFTMJ4B","short_pith_number":"pith:YV7MA4QZ","canonical_record":{"source":{"id":"2403.14322","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-21T11:42:49Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f1f14d5a554429aa0a6d3bddcd3cd9854d8c0cef807eb725132560e3f0ee284b","abstract_canon_sha256":"a11c4a1a01f20cfff52feb7daffd71b238c0ab62a6689fbeb6866687f63ca13b"},"schema_version":"1.0"},"canonical_sha256":"c57ec07219d3209ff62e1f8832cd89e0557bdeb331e312ae66a71f957c84ef2d","source":{"kind":"arxiv","id":"2403.14322","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.14322","created_at":"2026-07-05T11:17:32Z"},{"alias_kind":"arxiv_version","alias_value":"2403.14322v2","created_at":"2026-07-05T11:17:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.14322","created_at":"2026-07-05T11:17:32Z"},{"alias_kind":"pith_short_12","alias_value":"YV7MA4QZ2MQJ","created_at":"2026-07-05T11:17:32Z"},{"alias_kind":"pith_short_16","alias_value":"YV7MA4QZ2MQJ75RO","created_at":"2026-07-05T11:17:32Z"},{"alias_kind":"pith_short_8","alias_value":"YV7MA4QZ","created_at":"2026-07-05T11:17:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:YV7MA4QZ2MQJ75ROD6EDFTMJ4B","target":"record","payload":{"canonical_record":{"source":{"id":"2403.14322","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-21T11:42:49Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f1f14d5a554429aa0a6d3bddcd3cd9854d8c0cef807eb725132560e3f0ee284b","abstract_canon_sha256":"a11c4a1a01f20cfff52feb7daffd71b238c0ab62a6689fbeb6866687f63ca13b"},"schema_version":"1.0"},"canonical_sha256":"c57ec07219d3209ff62e1f8832cd89e0557bdeb331e312ae66a71f957c84ef2d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:17:32.460610Z","signature_b64":"7lGMF5QOe5sCi6SJVOxAUv9Ai7A+5flG5KSHdkwHtj26wwoGBaa38JUGKr0c826ZkK/551GrryyIqIvG+KFtDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c57ec07219d3209ff62e1f8832cd89e0557bdeb331e312ae66a71f957c84ef2d","last_reissued_at":"2026-07-05T11:17:32.460167Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:17:32.460167Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.14322","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":"2026-07-05T11:17:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6UAK0jPcXyt61kANOtPk29JB2IsZhGfb2sgDswkxByRXJQGcSaCRhD4C6uB/oUXe05Vw6B7cZd/cu+tVcgZNCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T06:46:20.056056Z"},"content_sha256":"d59b017513bc0d4bd10b4a57830d2c046ae89871adb0a4e1c3e3d809c0e55442","schema_version":"1.0","event_id":"sha256:d59b017513bc0d4bd10b4a57830d2c046ae89871adb0a4e1c3e3d809c0e55442"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:YV7MA4QZ2MQJ75ROD6EDFTMJ4B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ab-initio Van der Waals electrodynamics: polaritons and electron scattering from plasmons and phonons in BN-capped graphene","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Francesco Macheda, Francesco Mauri, Thibault Sohier","submitted_at":"2024-03-21T11:42:49Z","abstract_excerpt":"Plasmons and polar phonons are elementary electrodynamic excitations of matter. In 2d and at long wavelengths, they couple to light and act as the system polaritons. They also dictate the scattering of charged carriers. Van der Waals heterostructures offer the opportunity to couple excitations from different layers via long-range Coulomb interactions, modifying both their dispersion and their scattering of electrons. Even when the excitations do not couple, they are still influenced by the screening from all layers, leading to complex dynamical interactions between electrons, plasmons and pola"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.14322","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/2403.14322/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":"2026-07-05T11:17:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SA85Gr892ddSaUajaK0U2Jm09xGbPEZ3S+Ol53/LM7H4uYitueMp4yHN4iMl1Y2ZH+cD638WlI4sKU3rssi2CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T06:46:20.056452Z"},"content_sha256":"56cb088fffa43ba3bacf71bc147ede7c9abb886fb7c21703927348ccdd03d914","schema_version":"1.0","event_id":"sha256:56cb088fffa43ba3bacf71bc147ede7c9abb886fb7c21703927348ccdd03d914"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YV7MA4QZ2MQJ75ROD6EDFTMJ4B/bundle.json","state_url":"https://pith.science/pith/YV7MA4QZ2MQJ75ROD6EDFTMJ4B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YV7MA4QZ2MQJ75ROD6EDFTMJ4B/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":"2026-07-17T06:46:20Z","links":{"resolver":"https://pith.science/pith/YV7MA4QZ2MQJ75ROD6EDFTMJ4B","bundle":"https://pith.science/pith/YV7MA4QZ2MQJ75ROD6EDFTMJ4B/bundle.json","state":"https://pith.science/pith/YV7MA4QZ2MQJ75ROD6EDFTMJ4B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YV7MA4QZ2MQJ75ROD6EDFTMJ4B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:YV7MA4QZ2MQJ75ROD6EDFTMJ4B","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":"a11c4a1a01f20cfff52feb7daffd71b238c0ab62a6689fbeb6866687f63ca13b","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-21T11:42:49Z","title_canon_sha256":"f1f14d5a554429aa0a6d3bddcd3cd9854d8c0cef807eb725132560e3f0ee284b"},"schema_version":"1.0","source":{"id":"2403.14322","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.14322","created_at":"2026-07-05T11:17:32Z"},{"alias_kind":"arxiv_version","alias_value":"2403.14322v2","created_at":"2026-07-05T11:17:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.14322","created_at":"2026-07-05T11:17:32Z"},{"alias_kind":"pith_short_12","alias_value":"YV7MA4QZ2MQJ","created_at":"2026-07-05T11:17:32Z"},{"alias_kind":"pith_short_16","alias_value":"YV7MA4QZ2MQJ75RO","created_at":"2026-07-05T11:17:32Z"},{"alias_kind":"pith_short_8","alias_value":"YV7MA4QZ","created_at":"2026-07-05T11:17:32Z"}],"graph_snapshots":[{"event_id":"sha256:56cb088fffa43ba3bacf71bc147ede7c9abb886fb7c21703927348ccdd03d914","target":"graph","created_at":"2026-07-05T11:17:32Z","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/2403.14322/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Plasmons and polar phonons are elementary electrodynamic excitations of matter. In 2d and at long wavelengths, they couple to light and act as the system polaritons. They also dictate the scattering of charged carriers. Van der Waals heterostructures offer the opportunity to couple excitations from different layers via long-range Coulomb interactions, modifying both their dispersion and their scattering of electrons. Even when the excitations do not couple, they are still influenced by the screening from all layers, leading to complex dynamical interactions between electrons, plasmons and pola","authors_text":"Francesco Macheda, Francesco Mauri, Thibault Sohier","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-21T11:42:49Z","title":"Ab-initio Van der Waals electrodynamics: polaritons and electron scattering from plasmons and phonons in BN-capped graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.14322","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:d59b017513bc0d4bd10b4a57830d2c046ae89871adb0a4e1c3e3d809c0e55442","target":"record","created_at":"2026-07-05T11:17:32Z","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":"a11c4a1a01f20cfff52feb7daffd71b238c0ab62a6689fbeb6866687f63ca13b","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-21T11:42:49Z","title_canon_sha256":"f1f14d5a554429aa0a6d3bddcd3cd9854d8c0cef807eb725132560e3f0ee284b"},"schema_version":"1.0","source":{"id":"2403.14322","kind":"arxiv","version":2}},"canonical_sha256":"c57ec07219d3209ff62e1f8832cd89e0557bdeb331e312ae66a71f957c84ef2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c57ec07219d3209ff62e1f8832cd89e0557bdeb331e312ae66a71f957c84ef2d","first_computed_at":"2026-07-05T11:17:32.460167Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:17:32.460167Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7lGMF5QOe5sCi6SJVOxAUv9Ai7A+5flG5KSHdkwHtj26wwoGBaa38JUGKr0c826ZkK/551GrryyIqIvG+KFtDg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:17:32.460610Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.14322","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d59b017513bc0d4bd10b4a57830d2c046ae89871adb0a4e1c3e3d809c0e55442","sha256:56cb088fffa43ba3bacf71bc147ede7c9abb886fb7c21703927348ccdd03d914"],"state_sha256":"f5047b0ae5f277a4260d01756207924cfc5164699cedcb3499b2fa9e27adfa26"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t4lTeiEno4EGAmFDQojLiJP1HyZ/atlDBfg6RRk0hLJMcsbmfjsGyWH5uSv3wiw10O7W8iCQjXu7L0goBhqGBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T06:46:20.058764Z","bundle_sha256":"8c00130b8b1d7a4490d7979c8abf4b60d356e73cef016a12f8722658c64b75f2"}}