{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:T6SZYJY7G3XCXNTPHGDWSU3DHM","short_pith_number":"pith:T6SZYJY7","canonical_record":{"source":{"id":"2406.02998","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-06-05T06:57:29Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"763cc6e1085de4e4e4da6f93aedf531f5eb6e9c60cab5203b50b90467146e057","abstract_canon_sha256":"fcee485e73928e987586b4becd8c626fa5ae73e93154cdd50eaf2b25a5e852b8"},"schema_version":"1.0"},"canonical_sha256":"9fa59c271f36ee2bb66f39876953633b2b684d4b05f36e3d934828a83b07c08b","source":{"kind":"arxiv","id":"2406.02998","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.02998","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"arxiv_version","alias_value":"2406.02998v3","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.02998","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_12","alias_value":"T6SZYJY7G3XC","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_16","alias_value":"T6SZYJY7G3XCXNTP","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_8","alias_value":"T6SZYJY7","created_at":"2026-07-05T11:18:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:T6SZYJY7G3XCXNTPHGDWSU3DHM","target":"record","payload":{"canonical_record":{"source":{"id":"2406.02998","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-06-05T06:57:29Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"763cc6e1085de4e4e4da6f93aedf531f5eb6e9c60cab5203b50b90467146e057","abstract_canon_sha256":"fcee485e73928e987586b4becd8c626fa5ae73e93154cdd50eaf2b25a5e852b8"},"schema_version":"1.0"},"canonical_sha256":"9fa59c271f36ee2bb66f39876953633b2b684d4b05f36e3d934828a83b07c08b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:18:12.556580Z","signature_b64":"T/DdOw0LNz4Jq5HjMA4YtMudWY7lN3Y+WHUAFCIZH6JAqNfexzRI18+K8LdXEYB+jlNxOgwwspN8qeIKTvtEAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9fa59c271f36ee2bb66f39876953633b2b684d4b05f36e3d934828a83b07c08b","last_reissued_at":"2026-07-05T11:18:12.556117Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:18:12.556117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.02998","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:18:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"03pMPbRXWhFwx43z75mHMbazg/Zkil1qlE9b0mgM9DONcJldjkud5s3ew7CPK2f5Le5T25atx85L9thMscLsCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T04:19:55.033227Z"},"content_sha256":"b18354d931debe81ddee987de6e54541f85353f74fc9c8972190364767842d44","schema_version":"1.0","event_id":"sha256:b18354d931debe81ddee987de6e54541f85353f74fc9c8972190364767842d44"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:T6SZYJY7G3XCXNTPHGDWSU3DHM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct observation of the vanishing EELS cross section in graphene","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alberto Guandalini, Christian Kramberger, Francesco Mauri, Kazu Suenaga, Paolo Barone, Ryosuke Senga, Thomas Pichler, Yung-Chang Lin","submitted_at":"2024-06-05T06:57:29Z","abstract_excerpt":"In transmission electron energy-loss spectroscopy, the cross section in 2D is quenched by kinematic effects once the momentum transfer becomes smaller than a critical value set by $q_z$, the momentum loss parallel to the beam. Our highly momentum ($\\Delta q = 0.02$~\\r{A}$^{-1}$) and energy ($\\Delta E = 45$~meV) resolved setup is instrumental on delivering the unprecedented experimental verification of quenched 2D EEL spectra on freestanding graphene at momentum transfers $q$ below $0.06$\\r{A}$^{-1}$. We retrieve the intrinsic uniform dielectric response of graphene from measured spectra by qua"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.02998","kind":"arxiv","version":3},"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/2406.02998/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":"2026-07-05T11:18:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gtjaa8w8UYMWLMolrG9fJdf/pV1BtcUvVAm2xjMaT+SSPY/x6etmlqEbpAw55srQoH109a/2wkjJqKevowhhDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T04:19:55.034329Z"},"content_sha256":"3de36e1f13e508178337c2639bce27b55229239c0a8c28217d2f2479dfd99c28","schema_version":"1.0","event_id":"sha256:3de36e1f13e508178337c2639bce27b55229239c0a8c28217d2f2479dfd99c28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T6SZYJY7G3XCXNTPHGDWSU3DHM/bundle.json","state_url":"https://pith.science/pith/T6SZYJY7G3XCXNTPHGDWSU3DHM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T6SZYJY7G3XCXNTPHGDWSU3DHM/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":"2026-08-10T04:19:55Z","links":{"resolver":"https://pith.science/pith/T6SZYJY7G3XCXNTPHGDWSU3DHM","bundle":"https://pith.science/pith/T6SZYJY7G3XCXNTPHGDWSU3DHM/bundle.json","state":"https://pith.science/pith/T6SZYJY7G3XCXNTPHGDWSU3DHM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T6SZYJY7G3XCXNTPHGDWSU3DHM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:T6SZYJY7G3XCXNTPHGDWSU3DHM","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":"fcee485e73928e987586b4becd8c626fa5ae73e93154cdd50eaf2b25a5e852b8","cross_cats_sorted":["cond-mat.other"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-06-05T06:57:29Z","title_canon_sha256":"763cc6e1085de4e4e4da6f93aedf531f5eb6e9c60cab5203b50b90467146e057"},"schema_version":"1.0","source":{"id":"2406.02998","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.02998","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"arxiv_version","alias_value":"2406.02998v3","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.02998","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_12","alias_value":"T6SZYJY7G3XC","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_16","alias_value":"T6SZYJY7G3XCXNTP","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_8","alias_value":"T6SZYJY7","created_at":"2026-07-05T11:18:12Z"}],"graph_snapshots":[{"event_id":"sha256:3de36e1f13e508178337c2639bce27b55229239c0a8c28217d2f2479dfd99c28","target":"graph","created_at":"2026-07-05T11:18:12Z","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/2406.02998/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In transmission electron energy-loss spectroscopy, the cross section in 2D is quenched by kinematic effects once the momentum transfer becomes smaller than a critical value set by $q_z$, the momentum loss parallel to the beam. Our highly momentum ($\\Delta q = 0.02$~\\r{A}$^{-1}$) and energy ($\\Delta E = 45$~meV) resolved setup is instrumental on delivering the unprecedented experimental verification of quenched 2D EEL spectra on freestanding graphene at momentum transfers $q$ below $0.06$\\r{A}$^{-1}$. We retrieve the intrinsic uniform dielectric response of graphene from measured spectra by qua","authors_text":"Alberto Guandalini, Christian Kramberger, Francesco Mauri, Kazu Suenaga, Paolo Barone, Ryosuke Senga, Thomas Pichler, Yung-Chang Lin","cross_cats":["cond-mat.other"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-06-05T06:57:29Z","title":"Direct observation of the vanishing EELS cross section in graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.02998","kind":"arxiv","version":3},"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:b18354d931debe81ddee987de6e54541f85353f74fc9c8972190364767842d44","target":"record","created_at":"2026-07-05T11:18:12Z","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":"fcee485e73928e987586b4becd8c626fa5ae73e93154cdd50eaf2b25a5e852b8","cross_cats_sorted":["cond-mat.other"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-06-05T06:57:29Z","title_canon_sha256":"763cc6e1085de4e4e4da6f93aedf531f5eb6e9c60cab5203b50b90467146e057"},"schema_version":"1.0","source":{"id":"2406.02998","kind":"arxiv","version":3}},"canonical_sha256":"9fa59c271f36ee2bb66f39876953633b2b684d4b05f36e3d934828a83b07c08b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9fa59c271f36ee2bb66f39876953633b2b684d4b05f36e3d934828a83b07c08b","first_computed_at":"2026-07-05T11:18:12.556117Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:18:12.556117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T/DdOw0LNz4Jq5HjMA4YtMudWY7lN3Y+WHUAFCIZH6JAqNfexzRI18+K8LdXEYB+jlNxOgwwspN8qeIKTvtEAw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:18:12.556580Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.02998","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b18354d931debe81ddee987de6e54541f85353f74fc9c8972190364767842d44","sha256:3de36e1f13e508178337c2639bce27b55229239c0a8c28217d2f2479dfd99c28"],"state_sha256":"558d205dd61ac172c311bd5efec9ddcf229d48a0c896a14e429b6d341d4abb74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lJ7Ekr75QdkDhqsammPfrHXKmpHPvK1XqrK7q50GEhlf4QyKQ14AtU5/d5xBi4JdXdV9J9QMgmUAHxCkkptbDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T04:19:55.049877Z","bundle_sha256":"7b404968965d7ebb1edd93822719ade16778aa7da6daef4f188a35480acc65a7"}}