{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:DBMI6UXDJC322IQ7OAUDKQCN23","short_pith_number":"pith:DBMI6UXD","canonical_record":{"source":{"id":"2007.03341","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-07-07T11:10:44Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"b0e26a7a1e31fb384fd75266b06d925c6554ce39ade0a0a4f4f28554c718bcb7","abstract_canon_sha256":"32234f02e7aed5cb2045c42702257ac69cba789410dd16750189a2817dae2bcd"},"schema_version":"1.0"},"canonical_sha256":"18588f52e348b7ad221f702835404dd6c29a28f59686ccc34e4b120d3f51a606","source":{"kind":"arxiv","id":"2007.03341","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.03341","created_at":"2026-07-05T05:45:22Z"},{"alias_kind":"arxiv_version","alias_value":"2007.03341v2","created_at":"2026-07-05T05:45:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.03341","created_at":"2026-07-05T05:45:22Z"},{"alias_kind":"pith_short_12","alias_value":"DBMI6UXDJC32","created_at":"2026-07-05T05:45:22Z"},{"alias_kind":"pith_short_16","alias_value":"DBMI6UXDJC322IQ7","created_at":"2026-07-05T05:45:22Z"},{"alias_kind":"pith_short_8","alias_value":"DBMI6UXD","created_at":"2026-07-05T05:45:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:DBMI6UXDJC322IQ7OAUDKQCN23","target":"record","payload":{"canonical_record":{"source":{"id":"2007.03341","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-07-07T11:10:44Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"b0e26a7a1e31fb384fd75266b06d925c6554ce39ade0a0a4f4f28554c718bcb7","abstract_canon_sha256":"32234f02e7aed5cb2045c42702257ac69cba789410dd16750189a2817dae2bcd"},"schema_version":"1.0"},"canonical_sha256":"18588f52e348b7ad221f702835404dd6c29a28f59686ccc34e4b120d3f51a606","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:45:22.546441Z","signature_b64":"Xrmwb/8XgJitATZBgXLdeAZCMhP3a3tzKKD1b+sS+5V1Ny1/8ei10EU9NT7qku5oYdaxCejO1bbU4ZiiY0InBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18588f52e348b7ad221f702835404dd6c29a28f59686ccc34e4b120d3f51a606","last_reissued_at":"2026-07-05T05:45:22.545886Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:45:22.545886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.03341","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":"2026-07-05T05:45:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ilgIdlnS8VTSxjL4kyW1zXg3NUdmnbby10n2XD8+X/0rBQqN/Os0d8yDjXWCMXtCx6vIq1IZFW0WkTqn4EI+Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T21:48:46.628770Z"},"content_sha256":"68b3f256aab4242276ed174a3e94ab8a15697c2397e98232271504dc94ac3cc2","schema_version":"1.0","event_id":"sha256:68b3f256aab4242276ed174a3e94ab8a15697c2397e98232271504dc94ac3cc2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:DBMI6UXDJC322IQ7OAUDKQCN23","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Laser excited super resolution thermal imaging for nondestructive inspection of internal defects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.app-ph","authors_text":"Giuseppe Caire, Julien Lecompagnon, Mathias Ziegler, Peter Burgholzer, Peter Jung, Philipp Daniel Hirsch, Samim Ahmadi","submitted_at":"2020-07-07T11:10:44Z","abstract_excerpt":"A photothermal super resolution technique is proposed for an improved inspection of internal defects. To evaluate the potential of the laser-based thermographic technique, an additively manufactured stainless steel specimen with closely spaced internal cavities is used. Four different experimental configurations in transmission, reflection, stepwise and continuous scanning are investigated. The applied image post-processing method is based on compressed sensing and makes use of the block sparsity from multiple measurement events. This concerted approach of experimental measurement strategy and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.03341","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/2007.03341/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":"2026-07-05T05:45:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aoNJ/S/41PgHCpq7yE4+jxbz+UeAj5jHW3u+J+cTQMtlvVOej40WV8ZD8hehML4OcIONLmeRWex5fnqmO/FlAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T21:48:46.629142Z"},"content_sha256":"7a713531ea7f5d346980ee779d4124fdfc1f810732a1b7cc85a73dc15c2a8ff6","schema_version":"1.0","event_id":"sha256:7a713531ea7f5d346980ee779d4124fdfc1f810732a1b7cc85a73dc15c2a8ff6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DBMI6UXDJC322IQ7OAUDKQCN23/bundle.json","state_url":"https://pith.science/pith/DBMI6UXDJC322IQ7OAUDKQCN23/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DBMI6UXDJC322IQ7OAUDKQCN23/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":"2026-07-06T21:48:46Z","links":{"resolver":"https://pith.science/pith/DBMI6UXDJC322IQ7OAUDKQCN23","bundle":"https://pith.science/pith/DBMI6UXDJC322IQ7OAUDKQCN23/bundle.json","state":"https://pith.science/pith/DBMI6UXDJC322IQ7OAUDKQCN23/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DBMI6UXDJC322IQ7OAUDKQCN23/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:DBMI6UXDJC322IQ7OAUDKQCN23","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":"32234f02e7aed5cb2045c42702257ac69cba789410dd16750189a2817dae2bcd","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-07-07T11:10:44Z","title_canon_sha256":"b0e26a7a1e31fb384fd75266b06d925c6554ce39ade0a0a4f4f28554c718bcb7"},"schema_version":"1.0","source":{"id":"2007.03341","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.03341","created_at":"2026-07-05T05:45:22Z"},{"alias_kind":"arxiv_version","alias_value":"2007.03341v2","created_at":"2026-07-05T05:45:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.03341","created_at":"2026-07-05T05:45:22Z"},{"alias_kind":"pith_short_12","alias_value":"DBMI6UXDJC32","created_at":"2026-07-05T05:45:22Z"},{"alias_kind":"pith_short_16","alias_value":"DBMI6UXDJC322IQ7","created_at":"2026-07-05T05:45:22Z"},{"alias_kind":"pith_short_8","alias_value":"DBMI6UXD","created_at":"2026-07-05T05:45:22Z"}],"graph_snapshots":[{"event_id":"sha256:7a713531ea7f5d346980ee779d4124fdfc1f810732a1b7cc85a73dc15c2a8ff6","target":"graph","created_at":"2026-07-05T05:45:22Z","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/2007.03341/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A photothermal super resolution technique is proposed for an improved inspection of internal defects. To evaluate the potential of the laser-based thermographic technique, an additively manufactured stainless steel specimen with closely spaced internal cavities is used. Four different experimental configurations in transmission, reflection, stepwise and continuous scanning are investigated. The applied image post-processing method is based on compressed sensing and makes use of the block sparsity from multiple measurement events. This concerted approach of experimental measurement strategy and","authors_text":"Giuseppe Caire, Julien Lecompagnon, Mathias Ziegler, Peter Burgholzer, Peter Jung, Philipp Daniel Hirsch, Samim Ahmadi","cross_cats":["physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-07-07T11:10:44Z","title":"Laser excited super resolution thermal imaging for nondestructive inspection of internal defects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.03341","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":"sha256:68b3f256aab4242276ed174a3e94ab8a15697c2397e98232271504dc94ac3cc2","target":"record","created_at":"2026-07-05T05:45:22Z","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":"32234f02e7aed5cb2045c42702257ac69cba789410dd16750189a2817dae2bcd","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-07-07T11:10:44Z","title_canon_sha256":"b0e26a7a1e31fb384fd75266b06d925c6554ce39ade0a0a4f4f28554c718bcb7"},"schema_version":"1.0","source":{"id":"2007.03341","kind":"arxiv","version":2}},"canonical_sha256":"18588f52e348b7ad221f702835404dd6c29a28f59686ccc34e4b120d3f51a606","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18588f52e348b7ad221f702835404dd6c29a28f59686ccc34e4b120d3f51a606","first_computed_at":"2026-07-05T05:45:22.545886Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:45:22.545886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Xrmwb/8XgJitATZBgXLdeAZCMhP3a3tzKKD1b+sS+5V1Ny1/8ei10EU9NT7qku5oYdaxCejO1bbU4ZiiY0InBA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:45:22.546441Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.03341","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68b3f256aab4242276ed174a3e94ab8a15697c2397e98232271504dc94ac3cc2","sha256:7a713531ea7f5d346980ee779d4124fdfc1f810732a1b7cc85a73dc15c2a8ff6"],"state_sha256":"cf72a99786d058291d74d4bab13799f667f1c60d7f3a9e33bc3f4d2b6a54a88b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jy+YD66jMZI76BBoz5Y8UQjaALKknouB6IM+AY2jkiyLYhwbM77d5Sdq4XXLXOYksI8LYd0jLKqVUzV1IQpSDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T21:48:46.631067Z","bundle_sha256":"bd713ed7b2ab450eff4365d136ce7f243a9787a522de27467713e756458fb42e"}}