{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:EL7RWA7EOAFZYVBDHGVOE2W7F2","short_pith_number":"pith:EL7RWA7E","canonical_record":{"source":{"id":"2208.01459","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2022-08-02T13:53:06Z","cross_cats_sorted":["nlin.PS"],"title_canon_sha256":"6ffb4c6627e6bb04d400cb227c1ebf797d5b4d95e6ae99a249c4e6103393d1fb","abstract_canon_sha256":"4ecfea0068ec1d7576a599103f8848f156ed71dcbdda32b476e7226a413d494a"},"schema_version":"1.0"},"canonical_sha256":"22ff1b03e4700b9c542339aae26adf2ea429378f2a4931cf20d0c8946327e106","source":{"kind":"arxiv","id":"2208.01459","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.01459","created_at":"2026-07-05T04:45:33Z"},{"alias_kind":"arxiv_version","alias_value":"2208.01459v1","created_at":"2026-07-05T04:45:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.01459","created_at":"2026-07-05T04:45:33Z"},{"alias_kind":"pith_short_12","alias_value":"EL7RWA7EOAFZ","created_at":"2026-07-05T04:45:33Z"},{"alias_kind":"pith_short_16","alias_value":"EL7RWA7EOAFZYVBD","created_at":"2026-07-05T04:45:33Z"},{"alias_kind":"pith_short_8","alias_value":"EL7RWA7E","created_at":"2026-07-05T04:45:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:EL7RWA7EOAFZYVBDHGVOE2W7F2","target":"record","payload":{"canonical_record":{"source":{"id":"2208.01459","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2022-08-02T13:53:06Z","cross_cats_sorted":["nlin.PS"],"title_canon_sha256":"6ffb4c6627e6bb04d400cb227c1ebf797d5b4d95e6ae99a249c4e6103393d1fb","abstract_canon_sha256":"4ecfea0068ec1d7576a599103f8848f156ed71dcbdda32b476e7226a413d494a"},"schema_version":"1.0"},"canonical_sha256":"22ff1b03e4700b9c542339aae26adf2ea429378f2a4931cf20d0c8946327e106","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:45:33.954958Z","signature_b64":"XARghYtD9IIOoXdd9je9PBCIfcUbqvEFGAPWp3R+OM1E+fK2YqQp556FclCiTipzvhE3kbzw46JFKQV6+EnoBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22ff1b03e4700b9c542339aae26adf2ea429378f2a4931cf20d0c8946327e106","last_reissued_at":"2026-07-05T04:45:33.954550Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:45:33.954550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.01459","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":"2026-07-05T04:45:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i+NqpyJtR5nFcpMXe4AJym4Dj1AV2bNJY2jnLO4UbhKtWq2g7Zn7poNIpu9EWQtG3CfVD6jJrwOsgk3SU0KMCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T14:55:47.738507Z"},"content_sha256":"07d70394feeb0ded95aeb6787ad90ee083f2a94884277adb044e544df1532814","schema_version":"1.0","event_id":"sha256:07d70394feeb0ded95aeb6787ad90ee083f2a94884277adb044e544df1532814"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:EL7RWA7EOAFZYVBDHGVOE2W7F2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of SQUID-like behavior in fiber laser with intra-cavity epsilon-near-zero effect","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["nlin.PS"],"primary_cat":"physics.optics","authors_text":"Boris A. Malomed, Camille-Sophie Br\\`es, H. Y. Fu, Jiaye Wu, Kang Qi, Kuan-Chang Chang, Marco Clementi, Minghe Zhao, Qian Li, Shengdong Zhang, Xuanyi Liu, Yanhua Sha, Ze Tao Xie","submitted_at":"2022-08-02T13:53:06Z","abstract_excerpt":"Establishing relations between fundamental effects in far-flung areas of physics is a subject of great interest in the current research. We here report realization of a novel photonic system akin to the radio-frequency superconducting quantum interference device (RF-SQUID), in a fiber laser cavity with epsilon-near-zero (ENZ) nanolayers as intra-cavity components. Emulating the RF-SQUID scheme, the photonic counterpart of the supercurrent, represented by the optical wave, circulates in the cavity, passing through effective optical potential barriers. Different ENZ wavelengths translate into di"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.01459","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/2208.01459/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":"2026-07-05T04:45:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SP4KeiDCltp23pAQeqnU/BDK1T2BZEwZfXJ+pveEymunJg0wHHzpnch0+WYu76eUHvWsEo0aUq6aOIJ3L3uQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T14:55:47.738923Z"},"content_sha256":"a0216e57b01f984a9425a575e2f1b4116b6c52c9458e00ee8e371ff72429e0d9","schema_version":"1.0","event_id":"sha256:a0216e57b01f984a9425a575e2f1b4116b6c52c9458e00ee8e371ff72429e0d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EL7RWA7EOAFZYVBDHGVOE2W7F2/bundle.json","state_url":"https://pith.science/pith/EL7RWA7EOAFZYVBDHGVOE2W7F2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EL7RWA7EOAFZYVBDHGVOE2W7F2/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":"2026-07-12T14:55:47Z","links":{"resolver":"https://pith.science/pith/EL7RWA7EOAFZYVBDHGVOE2W7F2","bundle":"https://pith.science/pith/EL7RWA7EOAFZYVBDHGVOE2W7F2/bundle.json","state":"https://pith.science/pith/EL7RWA7EOAFZYVBDHGVOE2W7F2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EL7RWA7EOAFZYVBDHGVOE2W7F2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:EL7RWA7EOAFZYVBDHGVOE2W7F2","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":"4ecfea0068ec1d7576a599103f8848f156ed71dcbdda32b476e7226a413d494a","cross_cats_sorted":["nlin.PS"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2022-08-02T13:53:06Z","title_canon_sha256":"6ffb4c6627e6bb04d400cb227c1ebf797d5b4d95e6ae99a249c4e6103393d1fb"},"schema_version":"1.0","source":{"id":"2208.01459","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.01459","created_at":"2026-07-05T04:45:33Z"},{"alias_kind":"arxiv_version","alias_value":"2208.01459v1","created_at":"2026-07-05T04:45:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.01459","created_at":"2026-07-05T04:45:33Z"},{"alias_kind":"pith_short_12","alias_value":"EL7RWA7EOAFZ","created_at":"2026-07-05T04:45:33Z"},{"alias_kind":"pith_short_16","alias_value":"EL7RWA7EOAFZYVBD","created_at":"2026-07-05T04:45:33Z"},{"alias_kind":"pith_short_8","alias_value":"EL7RWA7E","created_at":"2026-07-05T04:45:33Z"}],"graph_snapshots":[{"event_id":"sha256:a0216e57b01f984a9425a575e2f1b4116b6c52c9458e00ee8e371ff72429e0d9","target":"graph","created_at":"2026-07-05T04:45:33Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2208.01459/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Establishing relations between fundamental effects in far-flung areas of physics is a subject of great interest in the current research. We here report realization of a novel photonic system akin to the radio-frequency superconducting quantum interference device (RF-SQUID), in a fiber laser cavity with epsilon-near-zero (ENZ) nanolayers as intra-cavity components. Emulating the RF-SQUID scheme, the photonic counterpart of the supercurrent, represented by the optical wave, circulates in the cavity, passing through effective optical potential barriers. Different ENZ wavelengths translate into di","authors_text":"Boris A. Malomed, Camille-Sophie Br\\`es, H. Y. Fu, Jiaye Wu, Kang Qi, Kuan-Chang Chang, Marco Clementi, Minghe Zhao, Qian Li, Shengdong Zhang, Xuanyi Liu, Yanhua Sha, Ze Tao Xie","cross_cats":["nlin.PS"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2022-08-02T13:53:06Z","title":"Observation of SQUID-like behavior in fiber laser with intra-cavity epsilon-near-zero effect"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.01459","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":"sha256:07d70394feeb0ded95aeb6787ad90ee083f2a94884277adb044e544df1532814","target":"record","created_at":"2026-07-05T04:45:33Z","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":"4ecfea0068ec1d7576a599103f8848f156ed71dcbdda32b476e7226a413d494a","cross_cats_sorted":["nlin.PS"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2022-08-02T13:53:06Z","title_canon_sha256":"6ffb4c6627e6bb04d400cb227c1ebf797d5b4d95e6ae99a249c4e6103393d1fb"},"schema_version":"1.0","source":{"id":"2208.01459","kind":"arxiv","version":1}},"canonical_sha256":"22ff1b03e4700b9c542339aae26adf2ea429378f2a4931cf20d0c8946327e106","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22ff1b03e4700b9c542339aae26adf2ea429378f2a4931cf20d0c8946327e106","first_computed_at":"2026-07-05T04:45:33.954550Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:45:33.954550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XARghYtD9IIOoXdd9je9PBCIfcUbqvEFGAPWp3R+OM1E+fK2YqQp556FclCiTipzvhE3kbzw46JFKQV6+EnoBA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:45:33.954958Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.01459","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07d70394feeb0ded95aeb6787ad90ee083f2a94884277adb044e544df1532814","sha256:a0216e57b01f984a9425a575e2f1b4116b6c52c9458e00ee8e371ff72429e0d9"],"state_sha256":"65e4e078f00fb682abd6e7ef51587cc72fe2314f722f7a62aa1f64df72b8ca44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LujH0B+UJe09m+uwOCCcGpyRxVGZrjyk7dhukBc/qHlCXYQdAE9/Su39RP+he2Ax/dsW4qzrAga8yFzbqhrnDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-12T14:55:47.741929Z","bundle_sha256":"bb8c7867dd57b904fa583a5803cdb0c78bdfcfe65f67e95a121e4c8db1666b8c"}}