{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:FMOU275EONSS436L6SBDMXJND5","short_pith_number":"pith:FMOU275E","canonical_record":{"source":{"id":"1905.04067","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-05-10T10:56:56Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"1e94b9ecbb4f12c78ff359d876295fb4b60917553d46c834f8be780393deb165","abstract_canon_sha256":"0a0a135d42c0f9294590684a50c082244716f821a62d126ae59b5ef2e069fa56"},"schema_version":"1.0"},"canonical_sha256":"2b1d4d7fa473652e6fcbf482365d2d1f4bdbba8ad9e1142a59173e485ab92b13","source":{"kind":"arxiv","id":"1905.04067","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04067","created_at":"2026-07-05T00:31:04Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04067v1","created_at":"2026-07-05T00:31:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04067","created_at":"2026-07-05T00:31:04Z"},{"alias_kind":"pith_short_12","alias_value":"FMOU275EONSS","created_at":"2026-07-05T00:31:04Z"},{"alias_kind":"pith_short_16","alias_value":"FMOU275EONSS436L","created_at":"2026-07-05T00:31:04Z"},{"alias_kind":"pith_short_8","alias_value":"FMOU275E","created_at":"2026-07-05T00:31:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:FMOU275EONSS436L6SBDMXJND5","target":"record","payload":{"canonical_record":{"source":{"id":"1905.04067","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-05-10T10:56:56Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"1e94b9ecbb4f12c78ff359d876295fb4b60917553d46c834f8be780393deb165","abstract_canon_sha256":"0a0a135d42c0f9294590684a50c082244716f821a62d126ae59b5ef2e069fa56"},"schema_version":"1.0"},"canonical_sha256":"2b1d4d7fa473652e6fcbf482365d2d1f4bdbba8ad9e1142a59173e485ab92b13","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:31:04.241918Z","signature_b64":"hG0jilybbmMwApm6CT5yi5YO13SWDLx3r8SaExYVMaB/zqDbQHNcXxgnTbX1NCnk8zmkw18NyaL62L3ngVmaBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b1d4d7fa473652e6fcbf482365d2d1f4bdbba8ad9e1142a59173e485ab92b13","last_reissued_at":"2026-07-05T00:31:04.241448Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:31:04.241448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.04067","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":"2026-07-05T00:31:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yu4JJKjYF7ELCylgvejLaObfOFBG8AjyDdqKM9E4/l2rkrFjpnTDE61sA1wgHX3H+dV3c9/hplgBBoTkDe4dAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T21:46:05.532392Z"},"content_sha256":"4508746e99cec5f78ebfbda151d2e01324254718557b4d8fe2da2266b6c96e2a","schema_version":"1.0","event_id":"sha256:4508746e99cec5f78ebfbda151d2e01324254718557b4d8fe2da2266b6c96e2a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:FMOU275EONSS436L6SBDMXJND5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Visualizing plasmon-exciton polaritons at the nanoscale using electron microscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.optics","authors_text":"Andrew B. Yankovich, Battulga Munkhbat, Denis G. Baranov, Erik Ols\\'en, Eva Olsson, Hugo Louren\\c{c}o-Martins, Jorge Cuadra, Luiz H. G. Tizei, Mathieu Kociak, Timur Shegai","submitted_at":"2019-05-10T10:56:56Z","abstract_excerpt":"Polaritons are compositional light-matter quasiparticles that have recently enabled remarkable breakthroughs in quantum and nonlinear optics, as well as in material science. Despite the enormous progress, however, a direct nanometer-scale visualization of polaritons has remained an open challenge. Here, we demonstrate that plasmon-exciton polaritons, or plexcitons, generated by a hybrid system composed of an individual silver nanoparticle and a few-layer transition metal dichalcogenide can be spectroscopically mapped with nanometer spatial resolution using electron energy loss spectroscopy in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04067","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/1905.04067/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":"2026-07-05T00:31:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u2yENKY1pZBJ/PN/2AjqsW9WPiVcz+urJIBB2fPE5Y/oNJOGgJuBsGKz3MKt5SbbLoC7fbr352KSP4OIcQ6EAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T21:46:05.533304Z"},"content_sha256":"4e9cbed2e68b950ef7a9794e6a519085350a887a904e44c56fb948244341554a","schema_version":"1.0","event_id":"sha256:4e9cbed2e68b950ef7a9794e6a519085350a887a904e44c56fb948244341554a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FMOU275EONSS436L6SBDMXJND5/bundle.json","state_url":"https://pith.science/pith/FMOU275EONSS436L6SBDMXJND5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FMOU275EONSS436L6SBDMXJND5/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":"2026-08-17T21:46:05Z","links":{"resolver":"https://pith.science/pith/FMOU275EONSS436L6SBDMXJND5","bundle":"https://pith.science/pith/FMOU275EONSS436L6SBDMXJND5/bundle.json","state":"https://pith.science/pith/FMOU275EONSS436L6SBDMXJND5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FMOU275EONSS436L6SBDMXJND5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FMOU275EONSS436L6SBDMXJND5","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":"0a0a135d42c0f9294590684a50c082244716f821a62d126ae59b5ef2e069fa56","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-05-10T10:56:56Z","title_canon_sha256":"1e94b9ecbb4f12c78ff359d876295fb4b60917553d46c834f8be780393deb165"},"schema_version":"1.0","source":{"id":"1905.04067","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.04067","created_at":"2026-07-05T00:31:04Z"},{"alias_kind":"arxiv_version","alias_value":"1905.04067v1","created_at":"2026-07-05T00:31:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04067","created_at":"2026-07-05T00:31:04Z"},{"alias_kind":"pith_short_12","alias_value":"FMOU275EONSS","created_at":"2026-07-05T00:31:04Z"},{"alias_kind":"pith_short_16","alias_value":"FMOU275EONSS436L","created_at":"2026-07-05T00:31:04Z"},{"alias_kind":"pith_short_8","alias_value":"FMOU275E","created_at":"2026-07-05T00:31:04Z"}],"graph_snapshots":[{"event_id":"sha256:4e9cbed2e68b950ef7a9794e6a519085350a887a904e44c56fb948244341554a","target":"graph","created_at":"2026-07-05T00:31:04Z","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/1905.04067/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Polaritons are compositional light-matter quasiparticles that have recently enabled remarkable breakthroughs in quantum and nonlinear optics, as well as in material science. Despite the enormous progress, however, a direct nanometer-scale visualization of polaritons has remained an open challenge. Here, we demonstrate that plasmon-exciton polaritons, or plexcitons, generated by a hybrid system composed of an individual silver nanoparticle and a few-layer transition metal dichalcogenide can be spectroscopically mapped with nanometer spatial resolution using electron energy loss spectroscopy in ","authors_text":"Andrew B. Yankovich, Battulga Munkhbat, Denis G. Baranov, Erik Ols\\'en, Eva Olsson, Hugo Louren\\c{c}o-Martins, Jorge Cuadra, Luiz H. G. Tizei, Mathieu Kociak, Timur Shegai","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-05-10T10:56:56Z","title":"Visualizing plasmon-exciton polaritons at the nanoscale using electron microscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04067","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":"sha256:4508746e99cec5f78ebfbda151d2e01324254718557b4d8fe2da2266b6c96e2a","target":"record","created_at":"2026-07-05T00:31:04Z","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":"0a0a135d42c0f9294590684a50c082244716f821a62d126ae59b5ef2e069fa56","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-05-10T10:56:56Z","title_canon_sha256":"1e94b9ecbb4f12c78ff359d876295fb4b60917553d46c834f8be780393deb165"},"schema_version":"1.0","source":{"id":"1905.04067","kind":"arxiv","version":1}},"canonical_sha256":"2b1d4d7fa473652e6fcbf482365d2d1f4bdbba8ad9e1142a59173e485ab92b13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b1d4d7fa473652e6fcbf482365d2d1f4bdbba8ad9e1142a59173e485ab92b13","first_computed_at":"2026-07-05T00:31:04.241448Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:31:04.241448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hG0jilybbmMwApm6CT5yi5YO13SWDLx3r8SaExYVMaB/zqDbQHNcXxgnTbX1NCnk8zmkw18NyaL62L3ngVmaBg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:31:04.241918Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.04067","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4508746e99cec5f78ebfbda151d2e01324254718557b4d8fe2da2266b6c96e2a","sha256:4e9cbed2e68b950ef7a9794e6a519085350a887a904e44c56fb948244341554a"],"state_sha256":"df1b1c8c7db98fca5e7f57d22d7469d4ff8ad6c4f95a10b8d4a2adb0fb5a9d04"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L5eemAsa+SsV7qdL+Ib/oidWA77JNcq1DoNKeKJdfySJBUiLl19C0dVTzx+ButfOixSdDZw3FfF9Pz5+ZThBAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T21:46:05.549518Z","bundle_sha256":"4e0b42b14f183a51bc5ce69f0f65c5fdff34c51b2e2a9b2f3036fb71bc723df0"}}