{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:5GZNCSXJEZ4MRWSQKMGFFBAHP4","short_pith_number":"pith:5GZNCSXJ","canonical_record":{"source":{"id":"2304.10111","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2023-04-20T06:28:03Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"7f2f7d42542ae0d59351c86fe4fdb1bded8845698ab17846fd069b2d2d5a7d7c","abstract_canon_sha256":"2a095b1e01e8043b8de5d6f6a202f7c5ab886a5de0cf405c5868f548b1031b50"},"schema_version":"1.0"},"canonical_sha256":"e9b2d14ae92678c8da50530c5284077f2d2fc60547a31e48d7a927a222118880","source":{"kind":"arxiv","id":"2304.10111","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.10111","created_at":"2026-07-05T06:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"2304.10111v1","created_at":"2026-07-05T06:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.10111","created_at":"2026-07-05T06:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"5GZNCSXJEZ4M","created_at":"2026-07-05T06:02:54Z"},{"alias_kind":"pith_short_16","alias_value":"5GZNCSXJEZ4MRWSQ","created_at":"2026-07-05T06:02:54Z"},{"alias_kind":"pith_short_8","alias_value":"5GZNCSXJ","created_at":"2026-07-05T06:02:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:5GZNCSXJEZ4MRWSQKMGFFBAHP4","target":"record","payload":{"canonical_record":{"source":{"id":"2304.10111","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2023-04-20T06:28:03Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"7f2f7d42542ae0d59351c86fe4fdb1bded8845698ab17846fd069b2d2d5a7d7c","abstract_canon_sha256":"2a095b1e01e8043b8de5d6f6a202f7c5ab886a5de0cf405c5868f548b1031b50"},"schema_version":"1.0"},"canonical_sha256":"e9b2d14ae92678c8da50530c5284077f2d2fc60547a31e48d7a927a222118880","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:02:54.121809Z","signature_b64":"r85Z8oD2S4ZlFSxyfRvLQkU1k/pjXQy32Oh8Jy7Ri8bp/V6vjQzFiIJKyNMbId2sQeYPPZHT2O7VQV8eLossAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9b2d14ae92678c8da50530c5284077f2d2fc60547a31e48d7a927a222118880","last_reissued_at":"2026-07-05T06:02:54.121476Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:02:54.121476Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.10111","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":"2026-07-05T06:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5T/aTbwTbDDIso1D2/hYZg2kkq4hexDBEztzQW6BA/k/Blt0rARUBGyhvb5NkLSJ3oX5TWfrLNrL2Ez2KHpcDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T00:29:56.623636Z"},"content_sha256":"cfae9f6971699ff4fb4a3e7fec65fa4e32a3c439351b21f6c1c0a75b97924b61","schema_version":"1.0","event_id":"sha256:cfae9f6971699ff4fb4a3e7fec65fa4e32a3c439351b21f6c1c0a75b97924b61"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:5GZNCSXJEZ4MRWSQKMGFFBAHP4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-resolution low-coherence Brillouin optical correlation-domain reflectometry with suppressed systematic error","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.optics","authors_text":"Heeyoung Lee, Kenta Otsubo, Kentaro Nakamura, Kohei Noda, Takaki Kiyozumi, Yosuke Mizuno","submitted_at":"2023-04-20T06:28:03Z","abstract_excerpt":"We show that the systematic error unique to Brillouin optical correlation-domain reflectometry (BOCDR) can be effectively suppressed by use of low-coherence light, and demonstrate distributed strain measurement with ~3 cm spatial resolution."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.10111","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/2304.10111/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":"2026-07-05T06:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hMjQOOKuEpx5wMsCjMPJ9b9QiqDTitFC4DfsuhArUx9BHIoeDfTj8bTYxQ6zqaxWNT06Yrhln9E89E9SZp9oCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T00:29:56.624195Z"},"content_sha256":"b8b547588bc11655ff350a3c0b75f255f79e9bf108b7a2182f5340984fddc98e","schema_version":"1.0","event_id":"sha256:b8b547588bc11655ff350a3c0b75f255f79e9bf108b7a2182f5340984fddc98e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5GZNCSXJEZ4MRWSQKMGFFBAHP4/bundle.json","state_url":"https://pith.science/pith/5GZNCSXJEZ4MRWSQKMGFFBAHP4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5GZNCSXJEZ4MRWSQKMGFFBAHP4/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":"2026-08-04T00:29:56Z","links":{"resolver":"https://pith.science/pith/5GZNCSXJEZ4MRWSQKMGFFBAHP4","bundle":"https://pith.science/pith/5GZNCSXJEZ4MRWSQKMGFFBAHP4/bundle.json","state":"https://pith.science/pith/5GZNCSXJEZ4MRWSQKMGFFBAHP4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5GZNCSXJEZ4MRWSQKMGFFBAHP4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:5GZNCSXJEZ4MRWSQKMGFFBAHP4","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":"2a095b1e01e8043b8de5d6f6a202f7c5ab886a5de0cf405c5868f548b1031b50","cross_cats_sorted":["physics.ins-det"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2023-04-20T06:28:03Z","title_canon_sha256":"7f2f7d42542ae0d59351c86fe4fdb1bded8845698ab17846fd069b2d2d5a7d7c"},"schema_version":"1.0","source":{"id":"2304.10111","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.10111","created_at":"2026-07-05T06:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"2304.10111v1","created_at":"2026-07-05T06:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.10111","created_at":"2026-07-05T06:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"5GZNCSXJEZ4M","created_at":"2026-07-05T06:02:54Z"},{"alias_kind":"pith_short_16","alias_value":"5GZNCSXJEZ4MRWSQ","created_at":"2026-07-05T06:02:54Z"},{"alias_kind":"pith_short_8","alias_value":"5GZNCSXJ","created_at":"2026-07-05T06:02:54Z"}],"graph_snapshots":[{"event_id":"sha256:b8b547588bc11655ff350a3c0b75f255f79e9bf108b7a2182f5340984fddc98e","target":"graph","created_at":"2026-07-05T06:02:54Z","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/2304.10111/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that the systematic error unique to Brillouin optical correlation-domain reflectometry (BOCDR) can be effectively suppressed by use of low-coherence light, and demonstrate distributed strain measurement with ~3 cm spatial resolution.","authors_text":"Heeyoung Lee, Kenta Otsubo, Kentaro Nakamura, Kohei Noda, Takaki Kiyozumi, Yosuke Mizuno","cross_cats":["physics.ins-det"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2023-04-20T06:28:03Z","title":"High-resolution low-coherence Brillouin optical correlation-domain reflectometry with suppressed systematic error"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.10111","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:cfae9f6971699ff4fb4a3e7fec65fa4e32a3c439351b21f6c1c0a75b97924b61","target":"record","created_at":"2026-07-05T06:02:54Z","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":"2a095b1e01e8043b8de5d6f6a202f7c5ab886a5de0cf405c5868f548b1031b50","cross_cats_sorted":["physics.ins-det"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2023-04-20T06:28:03Z","title_canon_sha256":"7f2f7d42542ae0d59351c86fe4fdb1bded8845698ab17846fd069b2d2d5a7d7c"},"schema_version":"1.0","source":{"id":"2304.10111","kind":"arxiv","version":1}},"canonical_sha256":"e9b2d14ae92678c8da50530c5284077f2d2fc60547a31e48d7a927a222118880","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9b2d14ae92678c8da50530c5284077f2d2fc60547a31e48d7a927a222118880","first_computed_at":"2026-07-05T06:02:54.121476Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:02:54.121476Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r85Z8oD2S4ZlFSxyfRvLQkU1k/pjXQy32Oh8Jy7Ri8bp/V6vjQzFiIJKyNMbId2sQeYPPZHT2O7VQV8eLossAA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:02:54.121809Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.10111","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cfae9f6971699ff4fb4a3e7fec65fa4e32a3c439351b21f6c1c0a75b97924b61","sha256:b8b547588bc11655ff350a3c0b75f255f79e9bf108b7a2182f5340984fddc98e"],"state_sha256":"7f8cf74fa1fa95505f5b427f5a51d433e4d0d3db2e7fa5e6547e591c47abd446"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NXucNvZ2VCp1MOBCMGtL4rlW2IMlM9AaBUeyAj+vHgMU+QJKkgwwUitjSGkkB7xXi/CrOETx6PR+COHfj7ZlBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T00:29:56.627793Z","bundle_sha256":"919bae274b84701bb4014da3ced891f7a59e3826fe05749394c904e61b6232e9"}}