{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:YUVKVZECIHJVA6MLBB2BD54GX2","short_pith_number":"pith:YUVKVZEC","canonical_record":{"source":{"id":"2104.10855","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-04-22T04:12:03Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"c9a64400e6c9f297e189b09617c454758f40862f12ad687404f714849e945710","abstract_canon_sha256":"c6134f3db4e23da38652008d57764aa6ae9d55ad1d5a719e167fc2217685327a"},"schema_version":"1.0"},"canonical_sha256":"c52aaae48241d350798b087411f786be9cf6ed37bf0a1a33f07965657a09553f","source":{"kind":"arxiv","id":"2104.10855","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.10855","created_at":"2026-07-05T02:34:14Z"},{"alias_kind":"arxiv_version","alias_value":"2104.10855v1","created_at":"2026-07-05T02:34:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.10855","created_at":"2026-07-05T02:34:14Z"},{"alias_kind":"pith_short_12","alias_value":"YUVKVZECIHJV","created_at":"2026-07-05T02:34:14Z"},{"alias_kind":"pith_short_16","alias_value":"YUVKVZECIHJVA6ML","created_at":"2026-07-05T02:34:14Z"},{"alias_kind":"pith_short_8","alias_value":"YUVKVZEC","created_at":"2026-07-05T02:34:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:YUVKVZECIHJVA6MLBB2BD54GX2","target":"record","payload":{"canonical_record":{"source":{"id":"2104.10855","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-04-22T04:12:03Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"c9a64400e6c9f297e189b09617c454758f40862f12ad687404f714849e945710","abstract_canon_sha256":"c6134f3db4e23da38652008d57764aa6ae9d55ad1d5a719e167fc2217685327a"},"schema_version":"1.0"},"canonical_sha256":"c52aaae48241d350798b087411f786be9cf6ed37bf0a1a33f07965657a09553f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:34:14.949781Z","signature_b64":"5KVXbuEun4baIj5dAde8YuCNxP+oseM1DvwPfaMV7b9Yl0oW4VbXnvaTFMq6s/K7fy6cl7UmnHTHZHqnu8IiBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c52aaae48241d350798b087411f786be9cf6ed37bf0a1a33f07965657a09553f","last_reissued_at":"2026-07-05T02:34:14.949278Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:34:14.949278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.10855","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":"2026-07-05T02:34:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wOIqiePohUM5OS+4Dai1ZGZxpA9r2+Rq1BJchQUPlpTT3OsDRiKSV6H3N46VoFGuNs8QIl3M2iilhT+p3d0/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T19:51:52.895788Z"},"content_sha256":"70e5d7e950251b97224257883c98674273a3efd74a7bc898a1208f9d9e0546dc","schema_version":"1.0","event_id":"sha256:70e5d7e950251b97224257883c98674273a3efd74a7bc898a1208f9d9e0546dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:YUVKVZECIHJVA6MLBB2BD54GX2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A compact and stable incidence-plane-rotating second harmonics detector","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.ins-det","authors_text":"B. Seok, C. Kim, H. Park, S. H. Kim, S. Jung, T. Otsu, Y. Ishida, Y. Kobayashi, Y. S. Kim","submitted_at":"2021-04-22T04:12:03Z","abstract_excerpt":"We describe a compact and stable setup for detecting the optical second harmonics, in which the incident plane rotates with respect to the sample. The setup is composed of rotating Fresnel-rhomb optics and a femtosecond ytterbium-doped fiber-laser source operating at the repetition frequency of 10 MHz. The setup including the laser source occupies an area of 1 m2 and is stable so that the intensity fluctuation of the laser harmonics can be less than 0.2 % for 4 h. We present the isotropic harmonic signal of a gold mirror of 0.5 pW and demonstrate the integrity and sensitivity of the setup. We "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.10855","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/2104.10855/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":"2026-07-05T02:34:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qVQCk6ZzrhBL6gyL9jDfKyfDxRgR3AE94n+vOZwIFnTRlg4ZFDecPcOfELO4h8oXeUahc/lXGH4wmLiPHNESDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T19:51:52.896396Z"},"content_sha256":"7ec7c6b78c8d1478da632fa030b08276f85f59b978673cb46563ab54fdcff832","schema_version":"1.0","event_id":"sha256:7ec7c6b78c8d1478da632fa030b08276f85f59b978673cb46563ab54fdcff832"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YUVKVZECIHJVA6MLBB2BD54GX2/bundle.json","state_url":"https://pith.science/pith/YUVKVZECIHJVA6MLBB2BD54GX2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YUVKVZECIHJVA6MLBB2BD54GX2/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":"2026-08-21T19:51:52Z","links":{"resolver":"https://pith.science/pith/YUVKVZECIHJVA6MLBB2BD54GX2","bundle":"https://pith.science/pith/YUVKVZECIHJVA6MLBB2BD54GX2/bundle.json","state":"https://pith.science/pith/YUVKVZECIHJVA6MLBB2BD54GX2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YUVKVZECIHJVA6MLBB2BD54GX2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:YUVKVZECIHJVA6MLBB2BD54GX2","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":"c6134f3db4e23da38652008d57764aa6ae9d55ad1d5a719e167fc2217685327a","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-04-22T04:12:03Z","title_canon_sha256":"c9a64400e6c9f297e189b09617c454758f40862f12ad687404f714849e945710"},"schema_version":"1.0","source":{"id":"2104.10855","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.10855","created_at":"2026-07-05T02:34:14Z"},{"alias_kind":"arxiv_version","alias_value":"2104.10855v1","created_at":"2026-07-05T02:34:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.10855","created_at":"2026-07-05T02:34:14Z"},{"alias_kind":"pith_short_12","alias_value":"YUVKVZECIHJV","created_at":"2026-07-05T02:34:14Z"},{"alias_kind":"pith_short_16","alias_value":"YUVKVZECIHJVA6ML","created_at":"2026-07-05T02:34:14Z"},{"alias_kind":"pith_short_8","alias_value":"YUVKVZEC","created_at":"2026-07-05T02:34:14Z"}],"graph_snapshots":[{"event_id":"sha256:7ec7c6b78c8d1478da632fa030b08276f85f59b978673cb46563ab54fdcff832","target":"graph","created_at":"2026-07-05T02:34:14Z","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/2104.10855/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe a compact and stable setup for detecting the optical second harmonics, in which the incident plane rotates with respect to the sample. The setup is composed of rotating Fresnel-rhomb optics and a femtosecond ytterbium-doped fiber-laser source operating at the repetition frequency of 10 MHz. The setup including the laser source occupies an area of 1 m2 and is stable so that the intensity fluctuation of the laser harmonics can be less than 0.2 % for 4 h. We present the isotropic harmonic signal of a gold mirror of 0.5 pW and demonstrate the integrity and sensitivity of the setup. We ","authors_text":"B. Seok, C. Kim, H. Park, S. H. Kim, S. Jung, T. Otsu, Y. Ishida, Y. Kobayashi, Y. S. Kim","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-04-22T04:12:03Z","title":"A compact and stable incidence-plane-rotating second harmonics detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.10855","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":"sha256:70e5d7e950251b97224257883c98674273a3efd74a7bc898a1208f9d9e0546dc","target":"record","created_at":"2026-07-05T02:34:14Z","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":"c6134f3db4e23da38652008d57764aa6ae9d55ad1d5a719e167fc2217685327a","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-04-22T04:12:03Z","title_canon_sha256":"c9a64400e6c9f297e189b09617c454758f40862f12ad687404f714849e945710"},"schema_version":"1.0","source":{"id":"2104.10855","kind":"arxiv","version":1}},"canonical_sha256":"c52aaae48241d350798b087411f786be9cf6ed37bf0a1a33f07965657a09553f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c52aaae48241d350798b087411f786be9cf6ed37bf0a1a33f07965657a09553f","first_computed_at":"2026-07-05T02:34:14.949278Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:34:14.949278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5KVXbuEun4baIj5dAde8YuCNxP+oseM1DvwPfaMV7b9Yl0oW4VbXnvaTFMq6s/K7fy6cl7UmnHTHZHqnu8IiBA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:34:14.949781Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.10855","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70e5d7e950251b97224257883c98674273a3efd74a7bc898a1208f9d9e0546dc","sha256:7ec7c6b78c8d1478da632fa030b08276f85f59b978673cb46563ab54fdcff832"],"state_sha256":"bffd05d174c11b190e2cd5b3150c006a0cd518ae7ae87e2798680912b18fc809"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lxHFm2a55RHo6y+cD2r7vn5WNsqU2oIDm0P5Pmf6RUgbOEwhvNninbBqFOFe6wBXudPc5gjN7Stgc+2OpnX2Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T19:51:52.901718Z","bundle_sha256":"df70d00b1da6d7da69f66239382928cd6eb9d5d23f3283b9f3f583229c368a3d"}}