{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:NU2UO2UQD7BYRBA4HNPJS36ONT","short_pith_number":"pith:NU2UO2UQ","canonical_record":{"source":{"id":"1705.06697","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-05-18T17:12:06Z","cross_cats_sorted":[],"title_canon_sha256":"cceaac43196b9cf49adcd925abec2b861ab6bc83c9930add845b347ecdbd1e70","abstract_canon_sha256":"5a1246890140766c9cf5b461c18114ac39be31f5dbcca8f0573315038eef47cf"},"schema_version":"1.0"},"canonical_sha256":"6d35476a901fc388841c3b5e996fce6cc45d1871619cddfe4b6366dab3d63a8a","source":{"kind":"arxiv","id":"1705.06697","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.06697","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"arxiv_version","alias_value":"1705.06697v3","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.06697","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"pith_short_12","alias_value":"NU2UO2UQD7BY","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NU2UO2UQD7BYRBA4","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NU2UO2UQ","created_at":"2026-05-18T12:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:NU2UO2UQD7BYRBA4HNPJS36ONT","target":"record","payload":{"canonical_record":{"source":{"id":"1705.06697","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-05-18T17:12:06Z","cross_cats_sorted":[],"title_canon_sha256":"cceaac43196b9cf49adcd925abec2b861ab6bc83c9930add845b347ecdbd1e70","abstract_canon_sha256":"5a1246890140766c9cf5b461c18114ac39be31f5dbcca8f0573315038eef47cf"},"schema_version":"1.0"},"canonical_sha256":"6d35476a901fc388841c3b5e996fce6cc45d1871619cddfe4b6366dab3d63a8a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:39.870562Z","signature_b64":"CfC1SZY1PA8eniA7cnTWstkfAv4WYRbpvzGk3kdJR6uQJfYqWoI3VpEeDRqFSlvBqP/t87p3kKME4lGxujBQDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d35476a901fc388841c3b5e996fce6cc45d1871619cddfe4b6366dab3d63a8a","last_reissued_at":"2026-05-18T00:22:39.870183Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:39.870183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.06697","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:22:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CChyLlpXZdQ+Sxs+y29tqdXRg0ZPm/ID6PLi/dZGsWJb9A/gBIY+ltWkARbmq/g1Y1yPDnXDSGEku6ypUYMxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:36:09.703901Z"},"content_sha256":"525193dba549ac6e5a00c28911ff8040e87cc6e80000248f8b55e58dc89bb870","schema_version":"1.0","event_id":"sha256:525193dba549ac6e5a00c28911ff8040e87cc6e80000248f8b55e58dc89bb870"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:NU2UO2UQD7BYRBA4HNPJS36ONT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Soliton Microcomb Range Measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Kerry Vahala, Myoung-Gyun Suh","submitted_at":"2017-05-18T17:12:06Z","abstract_excerpt":"Laser-based range measurement systems (LIDAR) are important in many application areas including autonomous vehicles, robotics, manufacturing, formation-flying of satellites, and basic science. Coherent laser ranging systems using dual frequency combs provide an unprecedented combination of long range, high precision and fast update rate. Here, dual-comb distance measurement using chip-based soliton microcombs is demonstrated. Moreover, the dual frequency combs are generated within a single microresonator as counter-propating solitons using a single pump laser. Time-of-flight measurement with 2"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.06697","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T00:22:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ELc58IoBggGGlib+T2kTrTULQXkRKyCMJYvXUIfipawQSiIvIUrAoE7RzE0eWDVlmAXKiBMuw1QQ2dqTmiqIAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:36:09.704648Z"},"content_sha256":"0dc7e17f22e731067cebc64a69fecd689cbe072834e81af002dd4e5641364ccc","schema_version":"1.0","event_id":"sha256:0dc7e17f22e731067cebc64a69fecd689cbe072834e81af002dd4e5641364ccc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NU2UO2UQD7BYRBA4HNPJS36ONT/bundle.json","state_url":"https://pith.science/pith/NU2UO2UQD7BYRBA4HNPJS36ONT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NU2UO2UQD7BYRBA4HNPJS36ONT/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":"2026-05-19T09:36:09Z","links":{"resolver":"https://pith.science/pith/NU2UO2UQD7BYRBA4HNPJS36ONT","bundle":"https://pith.science/pith/NU2UO2UQD7BYRBA4HNPJS36ONT/bundle.json","state":"https://pith.science/pith/NU2UO2UQD7BYRBA4HNPJS36ONT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NU2UO2UQD7BYRBA4HNPJS36ONT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NU2UO2UQD7BYRBA4HNPJS36ONT","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":"5a1246890140766c9cf5b461c18114ac39be31f5dbcca8f0573315038eef47cf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-05-18T17:12:06Z","title_canon_sha256":"cceaac43196b9cf49adcd925abec2b861ab6bc83c9930add845b347ecdbd1e70"},"schema_version":"1.0","source":{"id":"1705.06697","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.06697","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"arxiv_version","alias_value":"1705.06697v3","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.06697","created_at":"2026-05-18T00:22:39Z"},{"alias_kind":"pith_short_12","alias_value":"NU2UO2UQD7BY","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NU2UO2UQD7BYRBA4","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NU2UO2UQ","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:0dc7e17f22e731067cebc64a69fecd689cbe072834e81af002dd4e5641364ccc","target":"graph","created_at":"2026-05-18T00:22:39Z","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"},"paper":{"abstract_excerpt":"Laser-based range measurement systems (LIDAR) are important in many application areas including autonomous vehicles, robotics, manufacturing, formation-flying of satellites, and basic science. Coherent laser ranging systems using dual frequency combs provide an unprecedented combination of long range, high precision and fast update rate. Here, dual-comb distance measurement using chip-based soliton microcombs is demonstrated. Moreover, the dual frequency combs are generated within a single microresonator as counter-propating solitons using a single pump laser. Time-of-flight measurement with 2","authors_text":"Kerry Vahala, Myoung-Gyun Suh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-05-18T17:12:06Z","title":"Soliton Microcomb Range Measurement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.06697","kind":"arxiv","version":3},"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":"sha256:525193dba549ac6e5a00c28911ff8040e87cc6e80000248f8b55e58dc89bb870","target":"record","created_at":"2026-05-18T00:22:39Z","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":"5a1246890140766c9cf5b461c18114ac39be31f5dbcca8f0573315038eef47cf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-05-18T17:12:06Z","title_canon_sha256":"cceaac43196b9cf49adcd925abec2b861ab6bc83c9930add845b347ecdbd1e70"},"schema_version":"1.0","source":{"id":"1705.06697","kind":"arxiv","version":3}},"canonical_sha256":"6d35476a901fc388841c3b5e996fce6cc45d1871619cddfe4b6366dab3d63a8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d35476a901fc388841c3b5e996fce6cc45d1871619cddfe4b6366dab3d63a8a","first_computed_at":"2026-05-18T00:22:39.870183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:39.870183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CfC1SZY1PA8eniA7cnTWstkfAv4WYRbpvzGk3kdJR6uQJfYqWoI3VpEeDRqFSlvBqP/t87p3kKME4lGxujBQDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:39.870562Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.06697","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:525193dba549ac6e5a00c28911ff8040e87cc6e80000248f8b55e58dc89bb870","sha256:0dc7e17f22e731067cebc64a69fecd689cbe072834e81af002dd4e5641364ccc"],"state_sha256":"ddca090c236ebe1371705f1afd58aab40795f975a03307cd9f811c6634984bd6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"smDn0jNdsiV0IneXKTFUUo593gyqMnuDFLel4JLwX8JvdTH7QAMhOrxqNqSsvht1MU2eN/hUzU61tOAuBS1jDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T09:36:09.707869Z","bundle_sha256":"1e063cf86f101acf0fd5abef5d6ebefe4856060c984c55532001b2a32fc81516"}}