{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:N6Z6CVGI6OWGS3K2KVSOZULI5R","short_pith_number":"pith:N6Z6CVGI","canonical_record":{"source":{"id":"1611.00308","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-11-01T17:38:25Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"a06d5cd6b5773122f8639ae03f3d4655f5380bfd2823d633f8ff2af170183da9","abstract_canon_sha256":"60d847e7482efaed9f444169995c9df0990d5fc15697f213436d88b99a124dbb"},"schema_version":"1.0"},"canonical_sha256":"6fb3e154c8f3ac696d5a5564ecd168ec47470bc984c9b048c8b3aba150fa139e","source":{"kind":"arxiv","id":"1611.00308","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.00308","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"1611.00308v1","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.00308","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"N6Z6CVGI6OWG","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"N6Z6CVGI6OWGS3K2","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"N6Z6CVGI","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:N6Z6CVGI6OWGS3K2KVSOZULI5R","target":"record","payload":{"canonical_record":{"source":{"id":"1611.00308","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-11-01T17:38:25Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"a06d5cd6b5773122f8639ae03f3d4655f5380bfd2823d633f8ff2af170183da9","abstract_canon_sha256":"60d847e7482efaed9f444169995c9df0990d5fc15697f213436d88b99a124dbb"},"schema_version":"1.0"},"canonical_sha256":"6fb3e154c8f3ac696d5a5564ecd168ec47470bc984c9b048c8b3aba150fa139e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:58:50.655750Z","signature_b64":"ZZaP63DTfd8WpmmEHv6VtNcubRsoLVWBEj8Ham65/eGsDkgZaUvnb52PDCfEo+EfixKwoLsJmAjo0k+pJ0ILCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6fb3e154c8f3ac696d5a5564ecd168ec47470bc984c9b048c8b3aba150fa139e","last_reissued_at":"2026-05-18T00:58:50.655170Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:58:50.655170Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.00308","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":"2026-05-18T00:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WqBAXp5/aYnQ7mz7hbY7dpckxx78WKwGAq3/2PC2Pn5A61O2Nl9Ta1JaaS79UBBEZvLDpr2LlNBZxtt85xG+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T05:40:01.229879Z"},"content_sha256":"a3040ed686efe98824ffe066af838050b6b8ce3cab112562fd8e5b7042c4f8c1","schema_version":"1.0","event_id":"sha256:a3040ed686efe98824ffe066af838050b6b8ce3cab112562fd8e5b7042c4f8c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:N6Z6CVGI6OWGS3K2KVSOZULI5R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A naturally stable Sagnac-Michelson nonlinear interferometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Joseph M. Lukens, Nicholas A. Peters, Raphael C. Pooser","submitted_at":"2016-11-01T17:38:25Z","abstract_excerpt":"Interferometers measure a wide variety of dynamic processes by converting a phase change into an intensity change. Nonlinear interferometers, making use of nonlinear media in lieu of beamsplitters, promise substantial improvement in the quest to reach the ultimate sensitivity limits. Here we demonstrate a new nonlinear interferometer utilizing a single parametric amplifier for mode mixing---conceptually, a nonlinear version of the conventional Michelson interferometer with its arms collapsed together. We observe up to 99.9\\% interference visibility and find evidence for noise reduction based o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.00308","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":""},"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":"2026-05-18T00:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tVEygO7tZKyH9Wzp493bDgW2mSWDuGOi4xzapMbVqgfZ2ZOGLIZqylZvvbLRe0OOPrO4Cl5BHcuGldJRsO6MAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T05:40:01.230253Z"},"content_sha256":"bca2acc962633024c3d9341981d810220485e8516aee37148fcd7a0576a579ea","schema_version":"1.0","event_id":"sha256:bca2acc962633024c3d9341981d810220485e8516aee37148fcd7a0576a579ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N6Z6CVGI6OWGS3K2KVSOZULI5R/bundle.json","state_url":"https://pith.science/pith/N6Z6CVGI6OWGS3K2KVSOZULI5R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N6Z6CVGI6OWGS3K2KVSOZULI5R/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":"2026-06-03T05:40:01Z","links":{"resolver":"https://pith.science/pith/N6Z6CVGI6OWGS3K2KVSOZULI5R","bundle":"https://pith.science/pith/N6Z6CVGI6OWGS3K2KVSOZULI5R/bundle.json","state":"https://pith.science/pith/N6Z6CVGI6OWGS3K2KVSOZULI5R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N6Z6CVGI6OWGS3K2KVSOZULI5R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:N6Z6CVGI6OWGS3K2KVSOZULI5R","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":"60d847e7482efaed9f444169995c9df0990d5fc15697f213436d88b99a124dbb","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-11-01T17:38:25Z","title_canon_sha256":"a06d5cd6b5773122f8639ae03f3d4655f5380bfd2823d633f8ff2af170183da9"},"schema_version":"1.0","source":{"id":"1611.00308","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.00308","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"1611.00308v1","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.00308","created_at":"2026-05-18T00:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"N6Z6CVGI6OWG","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"N6Z6CVGI6OWGS3K2","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"N6Z6CVGI","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:bca2acc962633024c3d9341981d810220485e8516aee37148fcd7a0576a579ea","target":"graph","created_at":"2026-05-18T00:58:50Z","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":"Interferometers measure a wide variety of dynamic processes by converting a phase change into an intensity change. Nonlinear interferometers, making use of nonlinear media in lieu of beamsplitters, promise substantial improvement in the quest to reach the ultimate sensitivity limits. Here we demonstrate a new nonlinear interferometer utilizing a single parametric amplifier for mode mixing---conceptually, a nonlinear version of the conventional Michelson interferometer with its arms collapsed together. We observe up to 99.9\\% interference visibility and find evidence for noise reduction based o","authors_text":"Joseph M. Lukens, Nicholas A. Peters, Raphael C. Pooser","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-11-01T17:38:25Z","title":"A naturally stable Sagnac-Michelson nonlinear interferometer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.00308","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:a3040ed686efe98824ffe066af838050b6b8ce3cab112562fd8e5b7042c4f8c1","target":"record","created_at":"2026-05-18T00:58:50Z","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":"60d847e7482efaed9f444169995c9df0990d5fc15697f213436d88b99a124dbb","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-11-01T17:38:25Z","title_canon_sha256":"a06d5cd6b5773122f8639ae03f3d4655f5380bfd2823d633f8ff2af170183da9"},"schema_version":"1.0","source":{"id":"1611.00308","kind":"arxiv","version":1}},"canonical_sha256":"6fb3e154c8f3ac696d5a5564ecd168ec47470bc984c9b048c8b3aba150fa139e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6fb3e154c8f3ac696d5a5564ecd168ec47470bc984c9b048c8b3aba150fa139e","first_computed_at":"2026-05-18T00:58:50.655170Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:58:50.655170Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZZaP63DTfd8WpmmEHv6VtNcubRsoLVWBEj8Ham65/eGsDkgZaUvnb52PDCfEo+EfixKwoLsJmAjo0k+pJ0ILCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:58:50.655750Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.00308","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3040ed686efe98824ffe066af838050b6b8ce3cab112562fd8e5b7042c4f8c1","sha256:bca2acc962633024c3d9341981d810220485e8516aee37148fcd7a0576a579ea"],"state_sha256":"c045dd8323da23b04bf2726a5a721cfbc8ebf591bb67d144811c8996f225047d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F3/tKIRmpgUyEcJiZup3LZ74zCJLrBx48HZizNhdUbCqTzKHOb8WxySp/o1Tsfr8xyyBRsTl6Evu7puPscqaDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T05:40:01.232420Z","bundle_sha256":"69ff66cc5c77d316ff3f56ef096c327b29eb70e9418281938c8c23a306e0178f"}}