{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:EMOX5GEUOCSHMM3RO3X5GRTTUP","short_pith_number":"pith:EMOX5GEU","canonical_record":{"source":{"id":"2401.15653","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-01-28T13:03:15Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"4d44462d4814e9a9bfc800de916f5a32a24915fac940b2b42bd04a8fa4fbf5c7","abstract_canon_sha256":"8ca0ae655f9879fe13705f4260e68098fe622ca22ae0d72389582238cfd0084a"},"schema_version":"1.0"},"canonical_sha256":"231d7e989470a476337176efd34673a3cf18c2fd886ed7d7adb727a31e559208","source":{"kind":"arxiv","id":"2401.15653","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.15653","created_at":"2026-07-05T07:38:38Z"},{"alias_kind":"arxiv_version","alias_value":"2401.15653v1","created_at":"2026-07-05T07:38:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.15653","created_at":"2026-07-05T07:38:38Z"},{"alias_kind":"pith_short_12","alias_value":"EMOX5GEUOCSH","created_at":"2026-07-05T07:38:38Z"},{"alias_kind":"pith_short_16","alias_value":"EMOX5GEUOCSHMM3R","created_at":"2026-07-05T07:38:38Z"},{"alias_kind":"pith_short_8","alias_value":"EMOX5GEU","created_at":"2026-07-05T07:38:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:EMOX5GEUOCSHMM3RO3X5GRTTUP","target":"record","payload":{"canonical_record":{"source":{"id":"2401.15653","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-01-28T13:03:15Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"4d44462d4814e9a9bfc800de916f5a32a24915fac940b2b42bd04a8fa4fbf5c7","abstract_canon_sha256":"8ca0ae655f9879fe13705f4260e68098fe622ca22ae0d72389582238cfd0084a"},"schema_version":"1.0"},"canonical_sha256":"231d7e989470a476337176efd34673a3cf18c2fd886ed7d7adb727a31e559208","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:38:38.091601Z","signature_b64":"9pykk4V6lLuTPzwijeYl6d7FJXfjjDwZyWipMrpdxiOdCPPWA0LeavxXTcRU0uC5lYnTdpl4S3q972bqInQiCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"231d7e989470a476337176efd34673a3cf18c2fd886ed7d7adb727a31e559208","last_reissued_at":"2026-07-05T07:38:38.091135Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:38:38.091135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.15653","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":"2026-07-05T07:38:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7xDB+CH1H6f2DfnaTFM1CPxFBSwsgeaZ1k+ITgfUykd9LCNT70gork+veVC/5X1pApGWHXnZQrp1PHEURY0RAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T18:11:30.873709Z"},"content_sha256":"cfe66a14a5acba603d45d88370c07bfe08956289770747e6ff459728f8429ddb","schema_version":"1.0","event_id":"sha256:cfe66a14a5acba603d45d88370c07bfe08956289770747e6ff459728f8429ddb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:EMOX5GEUOCSHMM3RO3X5GRTTUP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Femtosecond electron beam probe of ultrafast electronics","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"physics.app-ph","authors_text":"Maximilian Mattes, Mikhail Volkov, Peter Baum","submitted_at":"2024-01-28T13:03:15Z","abstract_excerpt":"The need for ever-faster information processing requires extremely small devices operating at frequencies approaching the terahertz and petahertz regimes. For the diagnostics of such devices, researchers need a spatiotemporal tool that surpasses the device under test in speed and spatial resolution and therefore, such a tool cannot be provided by electronics itself. Here we show how ultrafast electron beam probe with terahertz-compressed electron pulses can directly sense local electro-magnetic fields in electronic devices with femtosecond, micrometre and millivolt resolution under normal oper"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.15653","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/2401.15653/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":"2026-07-05T07:38:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/qQuEiGspvT3X4o3Vo+hVOoJAyFwgnDiszzLmGfzU3TSshhAcGAsGND9XWyc6MLZH0LfQOCRx3UqWNuTTEBgBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T18:11:30.874009Z"},"content_sha256":"0e73671ee423cdc9b2642bbc853aed1bfbe8132fa8b128270fad149d943fd845","schema_version":"1.0","event_id":"sha256:0e73671ee423cdc9b2642bbc853aed1bfbe8132fa8b128270fad149d943fd845"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EMOX5GEUOCSHMM3RO3X5GRTTUP/bundle.json","state_url":"https://pith.science/pith/EMOX5GEUOCSHMM3RO3X5GRTTUP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EMOX5GEUOCSHMM3RO3X5GRTTUP/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":"2026-07-31T18:11:30Z","links":{"resolver":"https://pith.science/pith/EMOX5GEUOCSHMM3RO3X5GRTTUP","bundle":"https://pith.science/pith/EMOX5GEUOCSHMM3RO3X5GRTTUP/bundle.json","state":"https://pith.science/pith/EMOX5GEUOCSHMM3RO3X5GRTTUP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EMOX5GEUOCSHMM3RO3X5GRTTUP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:EMOX5GEUOCSHMM3RO3X5GRTTUP","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":"8ca0ae655f9879fe13705f4260e68098fe622ca22ae0d72389582238cfd0084a","cross_cats_sorted":["cond-mat.other"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-01-28T13:03:15Z","title_canon_sha256":"4d44462d4814e9a9bfc800de916f5a32a24915fac940b2b42bd04a8fa4fbf5c7"},"schema_version":"1.0","source":{"id":"2401.15653","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.15653","created_at":"2026-07-05T07:38:38Z"},{"alias_kind":"arxiv_version","alias_value":"2401.15653v1","created_at":"2026-07-05T07:38:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.15653","created_at":"2026-07-05T07:38:38Z"},{"alias_kind":"pith_short_12","alias_value":"EMOX5GEUOCSH","created_at":"2026-07-05T07:38:38Z"},{"alias_kind":"pith_short_16","alias_value":"EMOX5GEUOCSHMM3R","created_at":"2026-07-05T07:38:38Z"},{"alias_kind":"pith_short_8","alias_value":"EMOX5GEU","created_at":"2026-07-05T07:38:38Z"}],"graph_snapshots":[{"event_id":"sha256:0e73671ee423cdc9b2642bbc853aed1bfbe8132fa8b128270fad149d943fd845","target":"graph","created_at":"2026-07-05T07:38:38Z","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/2401.15653/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The need for ever-faster information processing requires extremely small devices operating at frequencies approaching the terahertz and petahertz regimes. For the diagnostics of such devices, researchers need a spatiotemporal tool that surpasses the device under test in speed and spatial resolution and therefore, such a tool cannot be provided by electronics itself. Here we show how ultrafast electron beam probe with terahertz-compressed electron pulses can directly sense local electro-magnetic fields in electronic devices with femtosecond, micrometre and millivolt resolution under normal oper","authors_text":"Maximilian Mattes, Mikhail Volkov, Peter Baum","cross_cats":["cond-mat.other"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-01-28T13:03:15Z","title":"Femtosecond electron beam probe of ultrafast electronics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.15653","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:cfe66a14a5acba603d45d88370c07bfe08956289770747e6ff459728f8429ddb","target":"record","created_at":"2026-07-05T07:38:38Z","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":"8ca0ae655f9879fe13705f4260e68098fe622ca22ae0d72389582238cfd0084a","cross_cats_sorted":["cond-mat.other"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.app-ph","submitted_at":"2024-01-28T13:03:15Z","title_canon_sha256":"4d44462d4814e9a9bfc800de916f5a32a24915fac940b2b42bd04a8fa4fbf5c7"},"schema_version":"1.0","source":{"id":"2401.15653","kind":"arxiv","version":1}},"canonical_sha256":"231d7e989470a476337176efd34673a3cf18c2fd886ed7d7adb727a31e559208","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"231d7e989470a476337176efd34673a3cf18c2fd886ed7d7adb727a31e559208","first_computed_at":"2026-07-05T07:38:38.091135Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:38:38.091135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9pykk4V6lLuTPzwijeYl6d7FJXfjjDwZyWipMrpdxiOdCPPWA0LeavxXTcRU0uC5lYnTdpl4S3q972bqInQiCg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:38:38.091601Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.15653","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cfe66a14a5acba603d45d88370c07bfe08956289770747e6ff459728f8429ddb","sha256:0e73671ee423cdc9b2642bbc853aed1bfbe8132fa8b128270fad149d943fd845"],"state_sha256":"282e6b2a6e32dc3663b86b90417b0aedb1e5191f0d730e3333bb244bf551bacc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7OMgrliNmtvcoXktmXQt8DSGQ48F3kZGTsfkYFY6ZV13B7obDTCyVPQhNExCPMZWeOqoX1h23VR0jvJUtDRGBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T18:11:30.876692Z","bundle_sha256":"4d73e8ed6647431035bcbda1291dfd70df864f24de474f7617b4b0907e8817f2"}}