{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2UFBVEGJ7RYBU6HJODU6QXW2DE","short_pith_number":"pith:2UFBVEGJ","canonical_record":{"source":{"id":"1908.07468","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-08-20T16:07:48Z","cross_cats_sorted":[],"title_canon_sha256":"bb4308c95fb17b13c6e4e780176b4ddddeb53d6b39b85539171f60b165f12f7b","abstract_canon_sha256":"1a70c5e20b064b19fc40532cdb91ac55f761a20ba9eac8c431d3a2c0b105f84d"},"schema_version":"1.0"},"canonical_sha256":"d50a1a90c9fc701a78e970e9e85eda1939b44839942b69593b8f7f331d1b8e7d","source":{"kind":"arxiv","id":"1908.07468","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07468","created_at":"2026-07-05T00:57:07Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07468v2","created_at":"2026-07-05T00:57:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07468","created_at":"2026-07-05T00:57:07Z"},{"alias_kind":"pith_short_12","alias_value":"2UFBVEGJ7RYB","created_at":"2026-07-05T00:57:07Z"},{"alias_kind":"pith_short_16","alias_value":"2UFBVEGJ7RYBU6HJ","created_at":"2026-07-05T00:57:07Z"},{"alias_kind":"pith_short_8","alias_value":"2UFBVEGJ","created_at":"2026-07-05T00:57:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2UFBVEGJ7RYBU6HJODU6QXW2DE","target":"record","payload":{"canonical_record":{"source":{"id":"1908.07468","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-08-20T16:07:48Z","cross_cats_sorted":[],"title_canon_sha256":"bb4308c95fb17b13c6e4e780176b4ddddeb53d6b39b85539171f60b165f12f7b","abstract_canon_sha256":"1a70c5e20b064b19fc40532cdb91ac55f761a20ba9eac8c431d3a2c0b105f84d"},"schema_version":"1.0"},"canonical_sha256":"d50a1a90c9fc701a78e970e9e85eda1939b44839942b69593b8f7f331d1b8e7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:57:07.697351Z","signature_b64":"JJr4KP7bQSmWAf/adaKsmBJhP8LxOC9jun69kFIlxtGJ4YGEFJ5T0chgqpd0unUimqNoYHVxdUJLNvuGhw7JDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d50a1a90c9fc701a78e970e9e85eda1939b44839942b69593b8f7f331d1b8e7d","last_reissued_at":"2026-07-05T00:57:07.696899Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:57:07.696899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.07468","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":"2026-07-05T00:57:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jrWY3n+u4Iw8blQRGqLVwCGDDKnUubl0IxJY7y2p5XBMPOW1ohSGpNTrjCD4mRePozjAgWtOsp+lDIBqU6sFCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T11:26:57.462298Z"},"content_sha256":"1ab3e4f0dd6d9125c4a8fd6e8e1a1c50e7f9751841aabf13cba55424406f1a05","schema_version":"1.0","event_id":"sha256:1ab3e4f0dd6d9125c4a8fd6e8e1a1c50e7f9751841aabf13cba55424406f1a05"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2UFBVEGJ7RYBU6HJODU6QXW2DE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nano-Fabricated Free-Standing Wire-Scanners with Sub-Micrometer Resolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"B. Hermann, C. David, E. Ferrari, E. Prat, G.L. Orlandi, G. Penco, M. Ferianis, M. Lazzarino, M. Veronese, N. Cefarin, R. Ischebeck, S. Dal Zilio, V. A. Guzenko","submitted_at":"2019-08-20T16:07:48Z","abstract_excerpt":"Diagnostics of the beam transverse profile with ever more demanding spatial resolution is required by the progress on novel particle accelerators - such as laser and plasma driven accelerators - and by the stringent beam specifications of the new generation of X-ray facilities. In a linac driven Free-Electron-Laser (FEL), the spatial resolution constraint joins with the further requirement for the diagnostics to be minimally invasive in order to protect radiation sensitive components - such as the undulators - and to preserve the lasing mechanism. As for high resolution measurements of the bea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07468","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/1908.07468/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":"2026-07-05T00:57:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8WtiJ9Jd6OfX6DyblSirnBeOfJueysCEQGOnLD9tKKmYt1/8EFjWMOHDywjJu7alGXY3X9PngQ9I8ejiqZuvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T11:26:57.463205Z"},"content_sha256":"c465805c8bd14bea777e24a33da71f1d160af83deea3d95341c7cf259fec06bc","schema_version":"1.0","event_id":"sha256:c465805c8bd14bea777e24a33da71f1d160af83deea3d95341c7cf259fec06bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2UFBVEGJ7RYBU6HJODU6QXW2DE/bundle.json","state_url":"https://pith.science/pith/2UFBVEGJ7RYBU6HJODU6QXW2DE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2UFBVEGJ7RYBU6HJODU6QXW2DE/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":"2026-08-16T11:26:57Z","links":{"resolver":"https://pith.science/pith/2UFBVEGJ7RYBU6HJODU6QXW2DE","bundle":"https://pith.science/pith/2UFBVEGJ7RYBU6HJODU6QXW2DE/bundle.json","state":"https://pith.science/pith/2UFBVEGJ7RYBU6HJODU6QXW2DE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2UFBVEGJ7RYBU6HJODU6QXW2DE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2UFBVEGJ7RYBU6HJODU6QXW2DE","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":"1a70c5e20b064b19fc40532cdb91ac55f761a20ba9eac8c431d3a2c0b105f84d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-08-20T16:07:48Z","title_canon_sha256":"bb4308c95fb17b13c6e4e780176b4ddddeb53d6b39b85539171f60b165f12f7b"},"schema_version":"1.0","source":{"id":"1908.07468","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07468","created_at":"2026-07-05T00:57:07Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07468v2","created_at":"2026-07-05T00:57:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07468","created_at":"2026-07-05T00:57:07Z"},{"alias_kind":"pith_short_12","alias_value":"2UFBVEGJ7RYB","created_at":"2026-07-05T00:57:07Z"},{"alias_kind":"pith_short_16","alias_value":"2UFBVEGJ7RYBU6HJ","created_at":"2026-07-05T00:57:07Z"},{"alias_kind":"pith_short_8","alias_value":"2UFBVEGJ","created_at":"2026-07-05T00:57:07Z"}],"graph_snapshots":[{"event_id":"sha256:c465805c8bd14bea777e24a33da71f1d160af83deea3d95341c7cf259fec06bc","target":"graph","created_at":"2026-07-05T00:57:07Z","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/1908.07468/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Diagnostics of the beam transverse profile with ever more demanding spatial resolution is required by the progress on novel particle accelerators - such as laser and plasma driven accelerators - and by the stringent beam specifications of the new generation of X-ray facilities. In a linac driven Free-Electron-Laser (FEL), the spatial resolution constraint joins with the further requirement for the diagnostics to be minimally invasive in order to protect radiation sensitive components - such as the undulators - and to preserve the lasing mechanism. As for high resolution measurements of the bea","authors_text":"B. Hermann, C. David, E. Ferrari, E. Prat, G.L. Orlandi, G. Penco, M. Ferianis, M. Lazzarino, M. Veronese, N. Cefarin, R. Ischebeck, S. Dal Zilio, V. A. Guzenko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-08-20T16:07:48Z","title":"Nano-Fabricated Free-Standing Wire-Scanners with Sub-Micrometer Resolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07468","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":"sha256:1ab3e4f0dd6d9125c4a8fd6e8e1a1c50e7f9751841aabf13cba55424406f1a05","target":"record","created_at":"2026-07-05T00:57:07Z","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":"1a70c5e20b064b19fc40532cdb91ac55f761a20ba9eac8c431d3a2c0b105f84d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-08-20T16:07:48Z","title_canon_sha256":"bb4308c95fb17b13c6e4e780176b4ddddeb53d6b39b85539171f60b165f12f7b"},"schema_version":"1.0","source":{"id":"1908.07468","kind":"arxiv","version":2}},"canonical_sha256":"d50a1a90c9fc701a78e970e9e85eda1939b44839942b69593b8f7f331d1b8e7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d50a1a90c9fc701a78e970e9e85eda1939b44839942b69593b8f7f331d1b8e7d","first_computed_at":"2026-07-05T00:57:07.696899Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:57:07.696899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JJr4KP7bQSmWAf/adaKsmBJhP8LxOC9jun69kFIlxtGJ4YGEFJ5T0chgqpd0unUimqNoYHVxdUJLNvuGhw7JDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:57:07.697351Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.07468","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ab3e4f0dd6d9125c4a8fd6e8e1a1c50e7f9751841aabf13cba55424406f1a05","sha256:c465805c8bd14bea777e24a33da71f1d160af83deea3d95341c7cf259fec06bc"],"state_sha256":"a138c690b49285c47c1de2c2f52672adf97b3c0f46f1d408453c7252ec7866cc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"52Bi/dUPi9dxIFI8J9iyNw0zpg75ay7baVDLA2FAS6SsN4ftBCu5UYpvhgjtqU/yfIc/IWaXV+Xtk9fTpsTvDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T11:26:57.468194Z","bundle_sha256":"c2bffe852d923d030ccb2a1effb36486417fe98f799d9544d860fc08ccaf25f4"}}