{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:QCSNJFBZIBOI7JK5M45NUU4OQR","short_pith_number":"pith:QCSNJFBZ","canonical_record":{"source":{"id":"2012.11237","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-12-21T10:35:52Z","cross_cats_sorted":[],"title_canon_sha256":"c9754bfc671d7af7af595337cbb08dd409f11428d2d458116124ef5c28dd020d","abstract_canon_sha256":"115f078d4bbf1df0ac1c88f39944690e130bd99124c048483c7c7cd0ca077002"},"schema_version":"1.0"},"canonical_sha256":"80a4d49439405c8fa55d673ada538e8473178ce567a9ff954312f7b11014f9ad","source":{"kind":"arxiv","id":"2012.11237","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.11237","created_at":"2026-07-05T02:01:00Z"},{"alias_kind":"arxiv_version","alias_value":"2012.11237v1","created_at":"2026-07-05T02:01:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.11237","created_at":"2026-07-05T02:01:00Z"},{"alias_kind":"pith_short_12","alias_value":"QCSNJFBZIBOI","created_at":"2026-07-05T02:01:00Z"},{"alias_kind":"pith_short_16","alias_value":"QCSNJFBZIBOI7JK5","created_at":"2026-07-05T02:01:00Z"},{"alias_kind":"pith_short_8","alias_value":"QCSNJFBZ","created_at":"2026-07-05T02:01:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:QCSNJFBZIBOI7JK5M45NUU4OQR","target":"record","payload":{"canonical_record":{"source":{"id":"2012.11237","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-12-21T10:35:52Z","cross_cats_sorted":[],"title_canon_sha256":"c9754bfc671d7af7af595337cbb08dd409f11428d2d458116124ef5c28dd020d","abstract_canon_sha256":"115f078d4bbf1df0ac1c88f39944690e130bd99124c048483c7c7cd0ca077002"},"schema_version":"1.0"},"canonical_sha256":"80a4d49439405c8fa55d673ada538e8473178ce567a9ff954312f7b11014f9ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:01:00.316489Z","signature_b64":"xPd1PhRynsPIVAjyAGO0CY6bQKXyrN9ZkWbyNgdCVEfGeb79i79kl7/hLiY5Sh3I6/ORuVveBud+vYSOK8H/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80a4d49439405c8fa55d673ada538e8473178ce567a9ff954312f7b11014f9ad","last_reissued_at":"2026-07-05T02:01:00.316134Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:01:00.316134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.11237","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":"2026-07-05T02:01:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ae27TjngOOnyUIe7fx+/RIEHUNM2rOsU39IiSMUc77lw8gXe6nqTTrE5U/C9/Rth4xlt/JXJ0/oHEf8wpkJoDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T09:39:04.392540Z"},"content_sha256":"dd6f5f478e378c24ca703a1cc0c4260ac8fad04655a8117a17b4bc2912366c6a","schema_version":"1.0","event_id":"sha256:dd6f5f478e378c24ca703a1cc0c4260ac8fad04655a8117a17b4bc2912366c6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:QCSNJFBZIBOI7JK5M45NUU4OQR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New aerodynamic lens injector for single particle diffractive imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Amit K. Samanta, Andrew Morgan, Anton Barty, Armando D. Estillore, Benjamin Erk, Christopher Passow, Daniel A. Horke, Henry N. Chapman, Holger Fleckenstein, Jannik L\\\"ubke, Jochen K\\\"upper, Jonathan Correa, Kartik Ayyer, Lena Worbs, Martin Domaracky, Nicolai Pohlman, Nils Roth, Oleksandr Yefanov, Richard A. Kirian, Sa\\v{s}a Bajt","submitted_at":"2020-12-21T10:35:52Z","abstract_excerpt":"An aerodynamic lens injector was developed specifically for the needs of single-particle diffractive imaging experiments at free-electron lasers. Its design allows for quick changes of injector geometries and focusing properties in order to optimize injection for specific individual samples. Here, we present results of its first use at the FLASH free-electron-laser facility. Recorded diffraction patterns of polystyrene spheres are modeled using Mie scattering, which allowed for the characterization of the particle beam under diffractive-imaging conditions and yield good agreement with particle"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.11237","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/2012.11237/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":"2026-07-05T02:01:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2ELcoK4ncpXPVPXKvkYcP/r/6+5dSlvIDVH0sI2HLjEVrwYiSQjvJVTHgYlDpgbnmNJeqVJKW5tA6sIY/ma9AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T09:39:04.393391Z"},"content_sha256":"453b7961fb26489a10d3645c63216ab98e0e13bc26feb2a9094193f51fb6ffa8","schema_version":"1.0","event_id":"sha256:453b7961fb26489a10d3645c63216ab98e0e13bc26feb2a9094193f51fb6ffa8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QCSNJFBZIBOI7JK5M45NUU4OQR/bundle.json","state_url":"https://pith.science/pith/QCSNJFBZIBOI7JK5M45NUU4OQR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QCSNJFBZIBOI7JK5M45NUU4OQR/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":"2026-08-17T09:39:04Z","links":{"resolver":"https://pith.science/pith/QCSNJFBZIBOI7JK5M45NUU4OQR","bundle":"https://pith.science/pith/QCSNJFBZIBOI7JK5M45NUU4OQR/bundle.json","state":"https://pith.science/pith/QCSNJFBZIBOI7JK5M45NUU4OQR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QCSNJFBZIBOI7JK5M45NUU4OQR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:QCSNJFBZIBOI7JK5M45NUU4OQR","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":"115f078d4bbf1df0ac1c88f39944690e130bd99124c048483c7c7cd0ca077002","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-12-21T10:35:52Z","title_canon_sha256":"c9754bfc671d7af7af595337cbb08dd409f11428d2d458116124ef5c28dd020d"},"schema_version":"1.0","source":{"id":"2012.11237","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.11237","created_at":"2026-07-05T02:01:00Z"},{"alias_kind":"arxiv_version","alias_value":"2012.11237v1","created_at":"2026-07-05T02:01:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.11237","created_at":"2026-07-05T02:01:00Z"},{"alias_kind":"pith_short_12","alias_value":"QCSNJFBZIBOI","created_at":"2026-07-05T02:01:00Z"},{"alias_kind":"pith_short_16","alias_value":"QCSNJFBZIBOI7JK5","created_at":"2026-07-05T02:01:00Z"},{"alias_kind":"pith_short_8","alias_value":"QCSNJFBZ","created_at":"2026-07-05T02:01:00Z"}],"graph_snapshots":[{"event_id":"sha256:453b7961fb26489a10d3645c63216ab98e0e13bc26feb2a9094193f51fb6ffa8","target":"graph","created_at":"2026-07-05T02:01:00Z","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/2012.11237/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"An aerodynamic lens injector was developed specifically for the needs of single-particle diffractive imaging experiments at free-electron lasers. Its design allows for quick changes of injector geometries and focusing properties in order to optimize injection for specific individual samples. Here, we present results of its first use at the FLASH free-electron-laser facility. Recorded diffraction patterns of polystyrene spheres are modeled using Mie scattering, which allowed for the characterization of the particle beam under diffractive-imaging conditions and yield good agreement with particle","authors_text":"Amit K. Samanta, Andrew Morgan, Anton Barty, Armando D. Estillore, Benjamin Erk, Christopher Passow, Daniel A. Horke, Henry N. Chapman, Holger Fleckenstein, Jannik L\\\"ubke, Jochen K\\\"upper, Jonathan Correa, Kartik Ayyer, Lena Worbs, Martin Domaracky, Nicolai Pohlman, Nils Roth, Oleksandr Yefanov, Richard A. Kirian, Sa\\v{s}a Bajt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-12-21T10:35:52Z","title":"New aerodynamic lens injector for single particle diffractive imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.11237","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:dd6f5f478e378c24ca703a1cc0c4260ac8fad04655a8117a17b4bc2912366c6a","target":"record","created_at":"2026-07-05T02:01:00Z","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":"115f078d4bbf1df0ac1c88f39944690e130bd99124c048483c7c7cd0ca077002","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-12-21T10:35:52Z","title_canon_sha256":"c9754bfc671d7af7af595337cbb08dd409f11428d2d458116124ef5c28dd020d"},"schema_version":"1.0","source":{"id":"2012.11237","kind":"arxiv","version":1}},"canonical_sha256":"80a4d49439405c8fa55d673ada538e8473178ce567a9ff954312f7b11014f9ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80a4d49439405c8fa55d673ada538e8473178ce567a9ff954312f7b11014f9ad","first_computed_at":"2026-07-05T02:01:00.316134Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:01:00.316134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xPd1PhRynsPIVAjyAGO0CY6bQKXyrN9ZkWbyNgdCVEfGeb79i79kl7/hLiY5Sh3I6/ORuVveBud+vYSOK8H/DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:01:00.316489Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.11237","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd6f5f478e378c24ca703a1cc0c4260ac8fad04655a8117a17b4bc2912366c6a","sha256:453b7961fb26489a10d3645c63216ab98e0e13bc26feb2a9094193f51fb6ffa8"],"state_sha256":"83d36dde9ffb65606be4d6dbad90772aa6bc8c97f2fe5fb665d071f364fb0177"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tyEV+x0qfYkD10vzpSoJwKKndthWKDo14EWNTkpe66c+2U7IkH+EdHS8Yrosej8sjgvs7UCr33ZCiXGcO6TiAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T09:39:04.397496Z","bundle_sha256":"b508ccd8f1e5a6e763eae99bccbb413eb8ea35d781ba958a9d303881e01d5aa3"}}