{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:5NMSHRGURYUZAEFKIJQBHD3BWL","short_pith_number":"pith:5NMSHRGU","canonical_record":{"source":{"id":"1610.05130","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-10-17T14:15:17Z","cross_cats_sorted":[],"title_canon_sha256":"e1c97e359ef4c9731f3929dd1fd9280e2a344d92230a6e381d0290562c27d530","abstract_canon_sha256":"7e59859c3241b7b7c5236a71bd158949d04edffa1198928dd3f357eeb44c9e46"},"schema_version":"1.0"},"canonical_sha256":"eb5923c4d48e299010aa4260138f61b2c24fac7e161c2409fd97644c365709cc","source":{"kind":"arxiv","id":"1610.05130","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05130","created_at":"2026-05-18T01:00:33Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05130v2","created_at":"2026-05-18T01:00:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05130","created_at":"2026-05-18T01:00:33Z"},{"alias_kind":"pith_short_12","alias_value":"5NMSHRGURYUZ","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5NMSHRGURYUZAEFK","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5NMSHRGU","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:5NMSHRGURYUZAEFKIJQBHD3BWL","target":"record","payload":{"canonical_record":{"source":{"id":"1610.05130","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-10-17T14:15:17Z","cross_cats_sorted":[],"title_canon_sha256":"e1c97e359ef4c9731f3929dd1fd9280e2a344d92230a6e381d0290562c27d530","abstract_canon_sha256":"7e59859c3241b7b7c5236a71bd158949d04edffa1198928dd3f357eeb44c9e46"},"schema_version":"1.0"},"canonical_sha256":"eb5923c4d48e299010aa4260138f61b2c24fac7e161c2409fd97644c365709cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:33.220424Z","signature_b64":"kT0qLCDc/ZSGBD3OuEhV1pgarP5/fLkuK0Zc6evyCVplqO1L5m8oe1jkyiZ1LCm+IQCU2KqnP3P7u44V1GGHCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb5923c4d48e299010aa4260138f61b2c24fac7e161c2409fd97644c365709cc","last_reissued_at":"2026-05-18T01:00:33.219837Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:33.219837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.05130","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":"2026-05-18T01:00:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aEAtVJzmJIBCLoHw4m0D56FfQKY52wtsKLiBsSW1/dorD41xbpXDPPrKGliVClqAVH3VQXMPpVDALtijBlsmDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T22:26:04.584740Z"},"content_sha256":"4c584be9409263c6f5be64e040f2abe554b9c7eaffd8a3a6f07f58d3398fc805","schema_version":"1.0","event_id":"sha256:4c584be9409263c6f5be64e040f2abe554b9c7eaffd8a3a6f07f58d3398fc805"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:5NMSHRGURYUZAEFKIJQBHD3BWL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symmetry Breaking of Frequency Comb in Varying Normal Dispersion Fiber Ring Cavity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Kamal Alameh, Muhammad Imran Afzal, Yong Tak Lee","submitted_at":"2016-10-17T14:15:17Z","abstract_excerpt":"We build on a previously reported frequency comb of mode spacing 0.136 nm in a fiber ring cavity of varying normal dispersion [1], to generate, for the first time, a frequency comb of mode spacing 0.144 nm centered at 978.544 nm to demonstrate the symmetry-breaking. By controlling the birefringence of the optical cavity through fiber stretching and polarization control, the spacing of the comb lines increases from 0.136 nm to 0.144 nm, and this small change in mode spacing generates very different spectral symmetry-breaking in the frequency comb relative to the frequency comb of mode spacing 0"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05130","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":""},"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":"2026-05-18T01:00:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k9WSJv9eyAThdgJYAoTRagKvTkPZ8Dp6p4UZrrBa9CvkHivhmZnzS1TsQUoAz9hnmctviJoGoDEBCVVFwCcjBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T22:26:04.585383Z"},"content_sha256":"cac3c37946dc633225aaeff5396e369988bad5e4c93e4d4f397d28d71e948f8d","schema_version":"1.0","event_id":"sha256:cac3c37946dc633225aaeff5396e369988bad5e4c93e4d4f397d28d71e948f8d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5NMSHRGURYUZAEFKIJQBHD3BWL/bundle.json","state_url":"https://pith.science/pith/5NMSHRGURYUZAEFKIJQBHD3BWL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5NMSHRGURYUZAEFKIJQBHD3BWL/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":"2026-06-11T22:26:04Z","links":{"resolver":"https://pith.science/pith/5NMSHRGURYUZAEFKIJQBHD3BWL","bundle":"https://pith.science/pith/5NMSHRGURYUZAEFKIJQBHD3BWL/bundle.json","state":"https://pith.science/pith/5NMSHRGURYUZAEFKIJQBHD3BWL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5NMSHRGURYUZAEFKIJQBHD3BWL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:5NMSHRGURYUZAEFKIJQBHD3BWL","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":"7e59859c3241b7b7c5236a71bd158949d04edffa1198928dd3f357eeb44c9e46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-10-17T14:15:17Z","title_canon_sha256":"e1c97e359ef4c9731f3929dd1fd9280e2a344d92230a6e381d0290562c27d530"},"schema_version":"1.0","source":{"id":"1610.05130","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05130","created_at":"2026-05-18T01:00:33Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05130v2","created_at":"2026-05-18T01:00:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05130","created_at":"2026-05-18T01:00:33Z"},{"alias_kind":"pith_short_12","alias_value":"5NMSHRGURYUZ","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5NMSHRGURYUZAEFK","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5NMSHRGU","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:cac3c37946dc633225aaeff5396e369988bad5e4c93e4d4f397d28d71e948f8d","target":"graph","created_at":"2026-05-18T01:00:33Z","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":"We build on a previously reported frequency comb of mode spacing 0.136 nm in a fiber ring cavity of varying normal dispersion [1], to generate, for the first time, a frequency comb of mode spacing 0.144 nm centered at 978.544 nm to demonstrate the symmetry-breaking. By controlling the birefringence of the optical cavity through fiber stretching and polarization control, the spacing of the comb lines increases from 0.136 nm to 0.144 nm, and this small change in mode spacing generates very different spectral symmetry-breaking in the frequency comb relative to the frequency comb of mode spacing 0","authors_text":"Kamal Alameh, Muhammad Imran Afzal, Yong Tak Lee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-10-17T14:15:17Z","title":"Symmetry Breaking of Frequency Comb in Varying Normal Dispersion Fiber Ring Cavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05130","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":"sha256:4c584be9409263c6f5be64e040f2abe554b9c7eaffd8a3a6f07f58d3398fc805","target":"record","created_at":"2026-05-18T01:00:33Z","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":"7e59859c3241b7b7c5236a71bd158949d04edffa1198928dd3f357eeb44c9e46","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-10-17T14:15:17Z","title_canon_sha256":"e1c97e359ef4c9731f3929dd1fd9280e2a344d92230a6e381d0290562c27d530"},"schema_version":"1.0","source":{"id":"1610.05130","kind":"arxiv","version":2}},"canonical_sha256":"eb5923c4d48e299010aa4260138f61b2c24fac7e161c2409fd97644c365709cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb5923c4d48e299010aa4260138f61b2c24fac7e161c2409fd97644c365709cc","first_computed_at":"2026-05-18T01:00:33.219837Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:33.219837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kT0qLCDc/ZSGBD3OuEhV1pgarP5/fLkuK0Zc6evyCVplqO1L5m8oe1jkyiZ1LCm+IQCU2KqnP3P7u44V1GGHCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:33.220424Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.05130","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c584be9409263c6f5be64e040f2abe554b9c7eaffd8a3a6f07f58d3398fc805","sha256:cac3c37946dc633225aaeff5396e369988bad5e4c93e4d4f397d28d71e948f8d"],"state_sha256":"3baaa933ce862f54ca2fb7cf8a1e404cae4ecd205bbbfe92dca0bae136db47ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OtsmaXXGLpWRadnDHioSReq6lYT0UIqnNCpF2WJV7dRBmcQx9BVF1aWZmXcr0cPWt5jrV9LavNxeNF2MF8ZrBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T22:26:04.589583Z","bundle_sha256":"7152101d386f0d15a6c63542db5a9f52cef709f7ac12eaff62d49bd3c9911f29"}}