{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:DZQCBA3VKNMT4FFITS7RVS7GY5","short_pith_number":"pith:DZQCBA3V","canonical_record":{"source":{"id":"2603.22025","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-03-23T14:31:24Z","cross_cats_sorted":[],"title_canon_sha256":"c86c36aeb6137bb890910ed85da4d6b8804385dd48c3139814aebbdcac974949","abstract_canon_sha256":"85b96110d415ee71f600e443ede882ee20466eda49609d68131543d626ca7b5e"},"schema_version":"1.0"},"canonical_sha256":"1e6020837553593e14a89cbf1acbe6c77c5b9377c473bf332d441bc7bdf29a32","source":{"kind":"arxiv","id":"2603.22025","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.22025","created_at":"2026-06-30T01:16:29Z"},{"alias_kind":"arxiv_version","alias_value":"2603.22025v2","created_at":"2026-06-30T01:16:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.22025","created_at":"2026-06-30T01:16:29Z"},{"alias_kind":"pith_short_12","alias_value":"DZQCBA3VKNMT","created_at":"2026-06-30T01:16:29Z"},{"alias_kind":"pith_short_16","alias_value":"DZQCBA3VKNMT4FFI","created_at":"2026-06-30T01:16:29Z"},{"alias_kind":"pith_short_8","alias_value":"DZQCBA3V","created_at":"2026-06-30T01:16:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:DZQCBA3VKNMT4FFITS7RVS7GY5","target":"record","payload":{"canonical_record":{"source":{"id":"2603.22025","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-03-23T14:31:24Z","cross_cats_sorted":[],"title_canon_sha256":"c86c36aeb6137bb890910ed85da4d6b8804385dd48c3139814aebbdcac974949","abstract_canon_sha256":"85b96110d415ee71f600e443ede882ee20466eda49609d68131543d626ca7b5e"},"schema_version":"1.0"},"canonical_sha256":"1e6020837553593e14a89cbf1acbe6c77c5b9377c473bf332d441bc7bdf29a32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T01:16:29.510206Z","signature_b64":"HPg/zsYMNSo40i5ghMxV8mlE+58XmY2wNojgCKvTjRtRQW3WFMDkx1T75X42k/lG9mIK1nYL+rDgFKeK9Ry8Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e6020837553593e14a89cbf1acbe6c77c5b9377c473bf332d441bc7bdf29a32","last_reissued_at":"2026-06-30T01:16:29.509520Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T01:16:29.509520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2603.22025","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":"2026-06-30T01:16:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LsxfeDWEtqjfVNvatO9ElO5j9TtCb3SlKdLbisjsAFG1URVSvtiTTaxtd1b1e1H87p6/T3cLQehleGAwspkVAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-27T10:55:22.783273Z"},"content_sha256":"0585b309584b06a236862f4d86c132196553552ade0c9b5cdc958b22a782507a","schema_version":"1.0","event_id":"sha256:0585b309584b06a236862f4d86c132196553552ade0c9b5cdc958b22a782507a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:DZQCBA3VKNMT4FFITS7RVS7GY5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superbunched random fiber laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Qiang Ji, Weiming Zhang, Xian Zhao, Yanping Xu, Yuxi Pang, Zengguang Qin, Zhaojun Liu","submitted_at":"2026-03-23T14:31:24Z","abstract_excerpt":"Photon superbunching, distinguished by second-order coherence values far exceeding the Gaussian thermal limit, represents a highly desirable resource for quantum optics and correlation-based imaging technologies. However, existing approaches typically rely on fragile experimental platforms, inefficient nonlinear conversion processes, or mechanically complex optical architectures. Here, we demonstrate a fully fiber-integrated superbunched random fiber laser (SRFL) in which intrinsic Rayleigh scattering cooperatively interacts with cascaded stimulated Brillouin scattering and quasi-phase-matched"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.22025","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2603.22025/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":"2026-06-30T01:16:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PVpYOGYG6bg2kiRnJ2WTPdH45u5YC5YafOeRUMi/jxlJJGOH5jAnyf64Jd/QfnD6ESpM6mHFU+lSm0BodizIDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-27T10:55:22.783670Z"},"content_sha256":"b5860fde2cdeefe9ea5c4fa59e08aee147edac28fad6bedb9ffa6725d1d9eda7","schema_version":"1.0","event_id":"sha256:b5860fde2cdeefe9ea5c4fa59e08aee147edac28fad6bedb9ffa6725d1d9eda7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DZQCBA3VKNMT4FFITS7RVS7GY5/bundle.json","state_url":"https://pith.science/pith/DZQCBA3VKNMT4FFITS7RVS7GY5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DZQCBA3VKNMT4FFITS7RVS7GY5/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":"2026-07-27T10:55:22Z","links":{"resolver":"https://pith.science/pith/DZQCBA3VKNMT4FFITS7RVS7GY5","bundle":"https://pith.science/pith/DZQCBA3VKNMT4FFITS7RVS7GY5/bundle.json","state":"https://pith.science/pith/DZQCBA3VKNMT4FFITS7RVS7GY5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DZQCBA3VKNMT4FFITS7RVS7GY5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:DZQCBA3VKNMT4FFITS7RVS7GY5","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":"85b96110d415ee71f600e443ede882ee20466eda49609d68131543d626ca7b5e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-03-23T14:31:24Z","title_canon_sha256":"c86c36aeb6137bb890910ed85da4d6b8804385dd48c3139814aebbdcac974949"},"schema_version":"1.0","source":{"id":"2603.22025","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.22025","created_at":"2026-06-30T01:16:29Z"},{"alias_kind":"arxiv_version","alias_value":"2603.22025v2","created_at":"2026-06-30T01:16:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.22025","created_at":"2026-06-30T01:16:29Z"},{"alias_kind":"pith_short_12","alias_value":"DZQCBA3VKNMT","created_at":"2026-06-30T01:16:29Z"},{"alias_kind":"pith_short_16","alias_value":"DZQCBA3VKNMT4FFI","created_at":"2026-06-30T01:16:29Z"},{"alias_kind":"pith_short_8","alias_value":"DZQCBA3V","created_at":"2026-06-30T01:16:29Z"}],"graph_snapshots":[{"event_id":"sha256:b5860fde2cdeefe9ea5c4fa59e08aee147edac28fad6bedb9ffa6725d1d9eda7","target":"graph","created_at":"2026-06-30T01:16:29Z","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/2603.22025/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Photon superbunching, distinguished by second-order coherence values far exceeding the Gaussian thermal limit, represents a highly desirable resource for quantum optics and correlation-based imaging technologies. However, existing approaches typically rely on fragile experimental platforms, inefficient nonlinear conversion processes, or mechanically complex optical architectures. Here, we demonstrate a fully fiber-integrated superbunched random fiber laser (SRFL) in which intrinsic Rayleigh scattering cooperatively interacts with cascaded stimulated Brillouin scattering and quasi-phase-matched","authors_text":"Qiang Ji, Weiming Zhang, Xian Zhao, Yanping Xu, Yuxi Pang, Zengguang Qin, Zhaojun Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-03-23T14:31:24Z","title":"Superbunched random fiber laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.22025","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":"sha256:0585b309584b06a236862f4d86c132196553552ade0c9b5cdc958b22a782507a","target":"record","created_at":"2026-06-30T01:16:29Z","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":"85b96110d415ee71f600e443ede882ee20466eda49609d68131543d626ca7b5e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2026-03-23T14:31:24Z","title_canon_sha256":"c86c36aeb6137bb890910ed85da4d6b8804385dd48c3139814aebbdcac974949"},"schema_version":"1.0","source":{"id":"2603.22025","kind":"arxiv","version":2}},"canonical_sha256":"1e6020837553593e14a89cbf1acbe6c77c5b9377c473bf332d441bc7bdf29a32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1e6020837553593e14a89cbf1acbe6c77c5b9377c473bf332d441bc7bdf29a32","first_computed_at":"2026-06-30T01:16:29.509520Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-30T01:16:29.509520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HPg/zsYMNSo40i5ghMxV8mlE+58XmY2wNojgCKvTjRtRQW3WFMDkx1T75X42k/lG9mIK1nYL+rDgFKeK9Ry8Aw==","signature_status":"signed_v1","signed_at":"2026-06-30T01:16:29.510206Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.22025","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0585b309584b06a236862f4d86c132196553552ade0c9b5cdc958b22a782507a","sha256:b5860fde2cdeefe9ea5c4fa59e08aee147edac28fad6bedb9ffa6725d1d9eda7"],"state_sha256":"5aed255fe7fd73872e314fbe01e6250c41cecf40896b58c1696e469953929f7d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5iWHCwK5trrqIRaBBpnBAAJm+z2gE2nLv8JBv21e9ODkpHF0Xm3oIBRDjOIblJdSvlQ1r8sqHawLH1WkMaVrCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-27T10:55:22.786141Z","bundle_sha256":"674a3147035a516945fe493101ce80fa41aea128035cdd0df58a47596c90053b"}}