{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:IA53E4UM3VNZX4EXG42TQR4OKC","short_pith_number":"pith:IA53E4UM","canonical_record":{"source":{"id":"2305.07843","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2023-05-13T06:08:58Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"5fd0aee1ee4108c823f4b8023679e883bf1cb071146eb8c5aeb6a729d5ab3ef2","abstract_canon_sha256":"0a6ffda526a73fe60d6088c85aba5673fb22b451633d301e364c3a70f3878730"},"schema_version":"1.0"},"canonical_sha256":"403bb2728cdd5b9bf097373538478e50a0630d2d9d68331be03a6ca901ec0bbf","source":{"kind":"arxiv","id":"2305.07843","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.07843","created_at":"2026-07-05T06:49:22Z"},{"alias_kind":"arxiv_version","alias_value":"2305.07843v1","created_at":"2026-07-05T06:49:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.07843","created_at":"2026-07-05T06:49:22Z"},{"alias_kind":"pith_short_12","alias_value":"IA53E4UM3VNZ","created_at":"2026-07-05T06:49:22Z"},{"alias_kind":"pith_short_16","alias_value":"IA53E4UM3VNZX4EX","created_at":"2026-07-05T06:49:22Z"},{"alias_kind":"pith_short_8","alias_value":"IA53E4UM","created_at":"2026-07-05T06:49:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:IA53E4UM3VNZX4EXG42TQR4OKC","target":"record","payload":{"canonical_record":{"source":{"id":"2305.07843","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2023-05-13T06:08:58Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"5fd0aee1ee4108c823f4b8023679e883bf1cb071146eb8c5aeb6a729d5ab3ef2","abstract_canon_sha256":"0a6ffda526a73fe60d6088c85aba5673fb22b451633d301e364c3a70f3878730"},"schema_version":"1.0"},"canonical_sha256":"403bb2728cdd5b9bf097373538478e50a0630d2d9d68331be03a6ca901ec0bbf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:49:22.167652Z","signature_b64":"oKjJVqkTNCOLtUud6s5AW2UprX468diZjznMtwzCl6LXAOT3c3fpbZxxSQfIn1gIWa3TFqSgWdKKNrRU/8DmDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"403bb2728cdd5b9bf097373538478e50a0630d2d9d68331be03a6ca901ec0bbf","last_reissued_at":"2026-07-05T06:49:22.167233Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:49:22.167233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.07843","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":"2026-07-05T06:49:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oxGkKxg3j+pSg63+qL74BlHEcfEFvtkbCokUmw7UpyscXQLdLumRU9Lmw16MwAGBP9gyqW6355F0ZePn70cZDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T23:01:40.261061Z"},"content_sha256":"3b9d34d0ab900001adcdddce65483c3e9a9b4e0c981e0b20180a81a409141787","schema_version":"1.0","event_id":"sha256:3b9d34d0ab900001adcdddce65483c3e9a9b4e0c981e0b20180a81a409141787"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:IA53E4UM3VNZX4EXG42TQR4OKC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-dimensional Thomson scattering in high-repetition-rate laser-plasma experiments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.plasm-ph"],"primary_cat":"physics.ins-det","authors_text":"C.G. Constantin, C. Niemann, D.B. Schaeffer, H. Zhang, J.J. Pilgram, L. Rovige, M. Kaloyan, P.V. Heuer, R.S. Dorst, S. Ghazaryan","submitted_at":"2023-05-13T06:08:58Z","abstract_excerpt":"We present the first two-dimensional (2D) optical Thomson scattering measurements of electron density and temperature in laser-produced plasmas. The novel instrument directly measures $n_e(x,y)$ and $T_e(x,y)$ in two dimensions over large spatial regions (cm$^2$) with sub-mm spatial resolution, by automatically translating the scattering volume while the plasma is produced repeatedly by irradiating a solid target with a high-repetition-rate laser beam (10 J, $\\sim$10$^{12}$ W/cm$^2$, 1 Hz). In this paper, we describe the design and auto-alignment of the instrument, and the computerized fitting"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.07843","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/2305.07843/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":"2026-07-05T06:49:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e3Rneu4zCoY7P9HiXnCws8wzu1dFM9VYGw6kyHI6nfSqob03v8meb+U4EXaLefqOQyv4lCSNUnXlEEbGybQLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T23:01:40.261871Z"},"content_sha256":"d81de9a958c2a76acd84d1812439e9c3dce2d7737662927307caf8bd42ad6692","schema_version":"1.0","event_id":"sha256:d81de9a958c2a76acd84d1812439e9c3dce2d7737662927307caf8bd42ad6692"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IA53E4UM3VNZX4EXG42TQR4OKC/bundle.json","state_url":"https://pith.science/pith/IA53E4UM3VNZX4EXG42TQR4OKC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IA53E4UM3VNZX4EXG42TQR4OKC/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":"2026-08-23T23:01:40Z","links":{"resolver":"https://pith.science/pith/IA53E4UM3VNZX4EXG42TQR4OKC","bundle":"https://pith.science/pith/IA53E4UM3VNZX4EXG42TQR4OKC/bundle.json","state":"https://pith.science/pith/IA53E4UM3VNZX4EXG42TQR4OKC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IA53E4UM3VNZX4EXG42TQR4OKC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:IA53E4UM3VNZX4EXG42TQR4OKC","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":"0a6ffda526a73fe60d6088c85aba5673fb22b451633d301e364c3a70f3878730","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2023-05-13T06:08:58Z","title_canon_sha256":"5fd0aee1ee4108c823f4b8023679e883bf1cb071146eb8c5aeb6a729d5ab3ef2"},"schema_version":"1.0","source":{"id":"2305.07843","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.07843","created_at":"2026-07-05T06:49:22Z"},{"alias_kind":"arxiv_version","alias_value":"2305.07843v1","created_at":"2026-07-05T06:49:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.07843","created_at":"2026-07-05T06:49:22Z"},{"alias_kind":"pith_short_12","alias_value":"IA53E4UM3VNZ","created_at":"2026-07-05T06:49:22Z"},{"alias_kind":"pith_short_16","alias_value":"IA53E4UM3VNZX4EX","created_at":"2026-07-05T06:49:22Z"},{"alias_kind":"pith_short_8","alias_value":"IA53E4UM","created_at":"2026-07-05T06:49:22Z"}],"graph_snapshots":[{"event_id":"sha256:d81de9a958c2a76acd84d1812439e9c3dce2d7737662927307caf8bd42ad6692","target":"graph","created_at":"2026-07-05T06:49:22Z","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/2305.07843/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the first two-dimensional (2D) optical Thomson scattering measurements of electron density and temperature in laser-produced plasmas. The novel instrument directly measures $n_e(x,y)$ and $T_e(x,y)$ in two dimensions over large spatial regions (cm$^2$) with sub-mm spatial resolution, by automatically translating the scattering volume while the plasma is produced repeatedly by irradiating a solid target with a high-repetition-rate laser beam (10 J, $\\sim$10$^{12}$ W/cm$^2$, 1 Hz). In this paper, we describe the design and auto-alignment of the instrument, and the computerized fitting","authors_text":"C.G. Constantin, C. Niemann, D.B. Schaeffer, H. Zhang, J.J. Pilgram, L. Rovige, M. Kaloyan, P.V. Heuer, R.S. Dorst, S. Ghazaryan","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2023-05-13T06:08:58Z","title":"Two-dimensional Thomson scattering in high-repetition-rate laser-plasma experiments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.07843","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":"sha256:3b9d34d0ab900001adcdddce65483c3e9a9b4e0c981e0b20180a81a409141787","target":"record","created_at":"2026-07-05T06:49:22Z","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":"0a6ffda526a73fe60d6088c85aba5673fb22b451633d301e364c3a70f3878730","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2023-05-13T06:08:58Z","title_canon_sha256":"5fd0aee1ee4108c823f4b8023679e883bf1cb071146eb8c5aeb6a729d5ab3ef2"},"schema_version":"1.0","source":{"id":"2305.07843","kind":"arxiv","version":1}},"canonical_sha256":"403bb2728cdd5b9bf097373538478e50a0630d2d9d68331be03a6ca901ec0bbf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"403bb2728cdd5b9bf097373538478e50a0630d2d9d68331be03a6ca901ec0bbf","first_computed_at":"2026-07-05T06:49:22.167233Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:49:22.167233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oKjJVqkTNCOLtUud6s5AW2UprX468diZjznMtwzCl6LXAOT3c3fpbZxxSQfIn1gIWa3TFqSgWdKKNrRU/8DmDg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:49:22.167652Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.07843","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b9d34d0ab900001adcdddce65483c3e9a9b4e0c981e0b20180a81a409141787","sha256:d81de9a958c2a76acd84d1812439e9c3dce2d7737662927307caf8bd42ad6692"],"state_sha256":"3cb8d33696c828073a5532efa73f513c4c021cd76a9f7bc56c9d0112a31f9696"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dx2y+YKa5TI1lNwmwK92al+4ibC1J/+5wqizwUB383Wmd6lmeWmmCDUYwfub7ehO0rh0PXH5zae4/o3bPX4NAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T23:01:40.266474Z","bundle_sha256":"40759df1d11d964dea8322404c6540ebdab533f6f905b943c3ad5cdca2619042"}}