{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:JUG45RT6EGI5432NY5FQI7HHY2","short_pith_number":"pith:JUG45RT6","canonical_record":{"source":{"id":"2206.02546","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2022-06-02T14:37:37Z","cross_cats_sorted":[],"title_canon_sha256":"550845ec7ae918568a451de51ebb2af7bda5acce3bc08f666946ebdee4811e33","abstract_canon_sha256":"7fa6818a49695d350c9db93303a968675215779a3b454da271fe5200ee6d0a68"},"schema_version":"1.0"},"canonical_sha256":"4d0dcec67e2191de6f4dc74b047ce7c6972e53aebe943b2bdb9d772ad9c39276","source":{"kind":"arxiv","id":"2206.02546","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.02546","created_at":"2026-07-05T04:29:19Z"},{"alias_kind":"arxiv_version","alias_value":"2206.02546v1","created_at":"2026-07-05T04:29:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.02546","created_at":"2026-07-05T04:29:19Z"},{"alias_kind":"pith_short_12","alias_value":"JUG45RT6EGI5","created_at":"2026-07-05T04:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"JUG45RT6EGI5432N","created_at":"2026-07-05T04:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"JUG45RT6","created_at":"2026-07-05T04:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:JUG45RT6EGI5432NY5FQI7HHY2","target":"record","payload":{"canonical_record":{"source":{"id":"2206.02546","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2022-06-02T14:37:37Z","cross_cats_sorted":[],"title_canon_sha256":"550845ec7ae918568a451de51ebb2af7bda5acce3bc08f666946ebdee4811e33","abstract_canon_sha256":"7fa6818a49695d350c9db93303a968675215779a3b454da271fe5200ee6d0a68"},"schema_version":"1.0"},"canonical_sha256":"4d0dcec67e2191de6f4dc74b047ce7c6972e53aebe943b2bdb9d772ad9c39276","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:29:19.058154Z","signature_b64":"x6PilFYbmJCq9fHV6Zy7xMAi8MdudOwv70gbIBaCmHo+mZrET9Yu1KBq5Jc2K7FaMgQ2koDmXxyf9z4ndZlvCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d0dcec67e2191de6f4dc74b047ce7c6972e53aebe943b2bdb9d772ad9c39276","last_reissued_at":"2026-07-05T04:29:19.057711Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:29:19.057711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.02546","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":"2026-07-05T04:29:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RLUJuc+KqNM7UWuK5BEajj0iooPJQmESi97x6b70uoJjLxS5jWTS/5GdFnDr7BQF7IAn/UFXoSieTaIHGSX7AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:57:51.797173Z"},"content_sha256":"6cc28ab2b198824c95040265239eac0840c988ea7dab1f4b5a44edbf559a0371","schema_version":"1.0","event_id":"sha256:6cc28ab2b198824c95040265239eac0840c988ea7dab1f4b5a44edbf559a0371"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:JUG45RT6EGI5432NY5FQI7HHY2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Charge dynamics electron microscopy: nanoscale imaging of femtosecond plasma dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Eduardo J. C. Dias, Fabrizio Carbone, F. Javier Garc\\'ia de Abajo, Francesco Barantani, Gabriele Berruto, Giovanni Maria Vanacore, Ido Kaminer, Ivan Madan, Luca Piazza, Michael Yannai, Raphael Dahan, Simone Gargiulo, Thomas Lagrange, Tom T. A. Lummen","submitted_at":"2022-06-02T14:37:37Z","abstract_excerpt":"Understanding and actively controlling the spatio-temporal dynamics of non-equilibrium electron clouds is fundamental for the design of light and electron sources, novel high-power electronic devices, and plasma-based applications. However, electron clouds evolve in a complex collective fashion on nanometer and femtosecond scales, producing electromagnetic screening that renders them inaccessible to existing optical probes. Here, we solve the long-standing challenge of characterizing the evolution of electron clouds generated upon irradiation of metallic structures using an ultrafast transmiss"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.02546","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/2206.02546/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":"2026-07-05T04:29:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CUoU9juNTVefn4QvpPaTaiZwZ3tWRSWdZ+eIb3pFHA5xGp25fA3hH3+qTPYM7LfcGuPwGmhuWUggjQNuQ41nAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:57:51.797976Z"},"content_sha256":"2cf874aef90559ca80b4bb413c4764c018d989a2b3793b015f1b0032411a863c","schema_version":"1.0","event_id":"sha256:2cf874aef90559ca80b4bb413c4764c018d989a2b3793b015f1b0032411a863c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JUG45RT6EGI5432NY5FQI7HHY2/bundle.json","state_url":"https://pith.science/pith/JUG45RT6EGI5432NY5FQI7HHY2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JUG45RT6EGI5432NY5FQI7HHY2/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":"2026-08-06T18:57:51Z","links":{"resolver":"https://pith.science/pith/JUG45RT6EGI5432NY5FQI7HHY2","bundle":"https://pith.science/pith/JUG45RT6EGI5432NY5FQI7HHY2/bundle.json","state":"https://pith.science/pith/JUG45RT6EGI5432NY5FQI7HHY2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JUG45RT6EGI5432NY5FQI7HHY2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:JUG45RT6EGI5432NY5FQI7HHY2","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":"7fa6818a49695d350c9db93303a968675215779a3b454da271fe5200ee6d0a68","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2022-06-02T14:37:37Z","title_canon_sha256":"550845ec7ae918568a451de51ebb2af7bda5acce3bc08f666946ebdee4811e33"},"schema_version":"1.0","source":{"id":"2206.02546","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.02546","created_at":"2026-07-05T04:29:19Z"},{"alias_kind":"arxiv_version","alias_value":"2206.02546v1","created_at":"2026-07-05T04:29:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.02546","created_at":"2026-07-05T04:29:19Z"},{"alias_kind":"pith_short_12","alias_value":"JUG45RT6EGI5","created_at":"2026-07-05T04:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"JUG45RT6EGI5432N","created_at":"2026-07-05T04:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"JUG45RT6","created_at":"2026-07-05T04:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:2cf874aef90559ca80b4bb413c4764c018d989a2b3793b015f1b0032411a863c","target":"graph","created_at":"2026-07-05T04:29:19Z","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/2206.02546/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Understanding and actively controlling the spatio-temporal dynamics of non-equilibrium electron clouds is fundamental for the design of light and electron sources, novel high-power electronic devices, and plasma-based applications. However, electron clouds evolve in a complex collective fashion on nanometer and femtosecond scales, producing electromagnetic screening that renders them inaccessible to existing optical probes. Here, we solve the long-standing challenge of characterizing the evolution of electron clouds generated upon irradiation of metallic structures using an ultrafast transmiss","authors_text":"Eduardo J. C. Dias, Fabrizio Carbone, F. Javier Garc\\'ia de Abajo, Francesco Barantani, Gabriele Berruto, Giovanni Maria Vanacore, Ido Kaminer, Ivan Madan, Luca Piazza, Michael Yannai, Raphael Dahan, Simone Gargiulo, Thomas Lagrange, Tom T. A. Lummen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2022-06-02T14:37:37Z","title":"Charge dynamics electron microscopy: nanoscale imaging of femtosecond plasma dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.02546","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":"sha256:6cc28ab2b198824c95040265239eac0840c988ea7dab1f4b5a44edbf559a0371","target":"record","created_at":"2026-07-05T04:29:19Z","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":"7fa6818a49695d350c9db93303a968675215779a3b454da271fe5200ee6d0a68","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2022-06-02T14:37:37Z","title_canon_sha256":"550845ec7ae918568a451de51ebb2af7bda5acce3bc08f666946ebdee4811e33"},"schema_version":"1.0","source":{"id":"2206.02546","kind":"arxiv","version":1}},"canonical_sha256":"4d0dcec67e2191de6f4dc74b047ce7c6972e53aebe943b2bdb9d772ad9c39276","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d0dcec67e2191de6f4dc74b047ce7c6972e53aebe943b2bdb9d772ad9c39276","first_computed_at":"2026-07-05T04:29:19.057711Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:29:19.057711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x6PilFYbmJCq9fHV6Zy7xMAi8MdudOwv70gbIBaCmHo+mZrET9Yu1KBq5Jc2K7FaMgQ2koDmXxyf9z4ndZlvCw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:29:19.058154Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.02546","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6cc28ab2b198824c95040265239eac0840c988ea7dab1f4b5a44edbf559a0371","sha256:2cf874aef90559ca80b4bb413c4764c018d989a2b3793b015f1b0032411a863c"],"state_sha256":"5637fcd343851e96c9fa6d39cb9f4734c68b2b6900db3a63b1c362ec87fd6454"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R705Lj+THz9kKi5tO+vyeVG7VUt6hewunU0X+Y9bKfUP2+QLVHeBouhTuwWyqmaQ5K2lSI3JFPtMFlsWnlUpBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T18:57:51.806315Z","bundle_sha256":"b89b8b4a68862977460d83ea05ef0ff6377ea4ed7ddddf47d778e79556fd9427"}}