{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:GZJPOH5SXLLTW7ZY6B5TPZCXFQ","short_pith_number":"pith:GZJPOH5S","canonical_record":{"source":{"id":"2405.08456","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-14T09:26:36Z","cross_cats_sorted":[],"title_canon_sha256":"c262b6b765690e173fd9e1d786d97edeccb9202eddfb98dd5f50c71c52ce53f9","abstract_canon_sha256":"eb3f02ba14cded21440461dcd26b967c8c1c4e2fd24636ed685b04c7c2e2c842"},"schema_version":"1.0"},"canonical_sha256":"3652f71fb2bad73b7f38f07b37e4572c3e36679503edd587d7519fc67a0a887b","source":{"kind":"arxiv","id":"2405.08456","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.08456","created_at":"2026-07-05T08:26:24Z"},{"alias_kind":"arxiv_version","alias_value":"2405.08456v2","created_at":"2026-07-05T08:26:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.08456","created_at":"2026-07-05T08:26:24Z"},{"alias_kind":"pith_short_12","alias_value":"GZJPOH5SXLLT","created_at":"2026-07-05T08:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"GZJPOH5SXLLTW7ZY","created_at":"2026-07-05T08:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"GZJPOH5S","created_at":"2026-07-05T08:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:GZJPOH5SXLLTW7ZY6B5TPZCXFQ","target":"record","payload":{"canonical_record":{"source":{"id":"2405.08456","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-14T09:26:36Z","cross_cats_sorted":[],"title_canon_sha256":"c262b6b765690e173fd9e1d786d97edeccb9202eddfb98dd5f50c71c52ce53f9","abstract_canon_sha256":"eb3f02ba14cded21440461dcd26b967c8c1c4e2fd24636ed685b04c7c2e2c842"},"schema_version":"1.0"},"canonical_sha256":"3652f71fb2bad73b7f38f07b37e4572c3e36679503edd587d7519fc67a0a887b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:26:24.718573Z","signature_b64":"jHQAZLvRl3dLM5eCyHj7aWj3LF6C0g3/78L4a4AaAncpWWYhVo3upt9ESlP/McXTorLUx/EDCiBOciZYtiA+Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3652f71fb2bad73b7f38f07b37e4572c3e36679503edd587d7519fc67a0a887b","last_reissued_at":"2026-07-05T08:26:24.718073Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:26:24.718073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.08456","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":"2026-07-05T08:26:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YZZVAT0zpi1zeNRQTWhepXtScQElYxbaT1dGOI9vyFRmUXIWLf1Hy48tP0zwBY6K0xHp/sjD1Z1A/NcxQmDVCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T20:25:51.507555Z"},"content_sha256":"f8d5216a93f6af3240da51aded195f53f0d3e01c8c777613d638bdb932c23308","schema_version":"1.0","event_id":"sha256:f8d5216a93f6af3240da51aded195f53f0d3e01c8c777613d638bdb932c23308"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:GZJPOH5SXLLTW7ZY6B5TPZCXFQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A quantum spectrometer using a pair of phase-controlled spatial light modulators for superresolution in quantum sensing","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Byoung S. Ham","submitted_at":"2024-05-14T09:26:36Z","abstract_excerpt":"Superresolution is a unique quantum feature generated by N00N states or phase-controlled coherent photons via projection measurements in a Mach-Zehnder interferometer (MZI). Superresolution has no direct relation with supersensitivity in quantum sensing and has a potential application for the precision measurement of an unknown signal frequency. Recently, phase-controlled quantum erasers have been demonstrated for superresolution using classical light of a continuous-wave laser to overcome the diffraction limit in classical physics and to solve the limited scalability in N00N state-based quant"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.08456","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/2405.08456/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":"2026-07-05T08:26:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pQ5VR+ykCjl1LMl07ZhaldLSE27j7vsnd3gxYIDNeF/j4scOy7ccpoiU5b62VwOGLqrNB2eAjyhE6r4/2xLbAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T20:25:51.508062Z"},"content_sha256":"48c1bfc1ddd63f9eb5d4f51d60bac60612b70e9639a271098378a743086c6780","schema_version":"1.0","event_id":"sha256:48c1bfc1ddd63f9eb5d4f51d60bac60612b70e9639a271098378a743086c6780"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GZJPOH5SXLLTW7ZY6B5TPZCXFQ/bundle.json","state_url":"https://pith.science/pith/GZJPOH5SXLLTW7ZY6B5TPZCXFQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GZJPOH5SXLLTW7ZY6B5TPZCXFQ/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":"2026-08-09T20:25:51Z","links":{"resolver":"https://pith.science/pith/GZJPOH5SXLLTW7ZY6B5TPZCXFQ","bundle":"https://pith.science/pith/GZJPOH5SXLLTW7ZY6B5TPZCXFQ/bundle.json","state":"https://pith.science/pith/GZJPOH5SXLLTW7ZY6B5TPZCXFQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GZJPOH5SXLLTW7ZY6B5TPZCXFQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:GZJPOH5SXLLTW7ZY6B5TPZCXFQ","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":"eb3f02ba14cded21440461dcd26b967c8c1c4e2fd24636ed685b04c7c2e2c842","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-14T09:26:36Z","title_canon_sha256":"c262b6b765690e173fd9e1d786d97edeccb9202eddfb98dd5f50c71c52ce53f9"},"schema_version":"1.0","source":{"id":"2405.08456","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.08456","created_at":"2026-07-05T08:26:24Z"},{"alias_kind":"arxiv_version","alias_value":"2405.08456v2","created_at":"2026-07-05T08:26:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.08456","created_at":"2026-07-05T08:26:24Z"},{"alias_kind":"pith_short_12","alias_value":"GZJPOH5SXLLT","created_at":"2026-07-05T08:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"GZJPOH5SXLLTW7ZY","created_at":"2026-07-05T08:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"GZJPOH5S","created_at":"2026-07-05T08:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:48c1bfc1ddd63f9eb5d4f51d60bac60612b70e9639a271098378a743086c6780","target":"graph","created_at":"2026-07-05T08:26:24Z","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/2405.08456/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Superresolution is a unique quantum feature generated by N00N states or phase-controlled coherent photons via projection measurements in a Mach-Zehnder interferometer (MZI). Superresolution has no direct relation with supersensitivity in quantum sensing and has a potential application for the precision measurement of an unknown signal frequency. Recently, phase-controlled quantum erasers have been demonstrated for superresolution using classical light of a continuous-wave laser to overcome the diffraction limit in classical physics and to solve the limited scalability in N00N state-based quant","authors_text":"Byoung S. Ham","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-14T09:26:36Z","title":"A quantum spectrometer using a pair of phase-controlled spatial light modulators for superresolution in quantum sensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.08456","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:f8d5216a93f6af3240da51aded195f53f0d3e01c8c777613d638bdb932c23308","target":"record","created_at":"2026-07-05T08:26:24Z","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":"eb3f02ba14cded21440461dcd26b967c8c1c4e2fd24636ed685b04c7c2e2c842","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-14T09:26:36Z","title_canon_sha256":"c262b6b765690e173fd9e1d786d97edeccb9202eddfb98dd5f50c71c52ce53f9"},"schema_version":"1.0","source":{"id":"2405.08456","kind":"arxiv","version":2}},"canonical_sha256":"3652f71fb2bad73b7f38f07b37e4572c3e36679503edd587d7519fc67a0a887b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3652f71fb2bad73b7f38f07b37e4572c3e36679503edd587d7519fc67a0a887b","first_computed_at":"2026-07-05T08:26:24.718073Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:26:24.718073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jHQAZLvRl3dLM5eCyHj7aWj3LF6C0g3/78L4a4AaAncpWWYhVo3upt9ESlP/McXTorLUx/EDCiBOciZYtiA+Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:26:24.718573Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.08456","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8d5216a93f6af3240da51aded195f53f0d3e01c8c777613d638bdb932c23308","sha256:48c1bfc1ddd63f9eb5d4f51d60bac60612b70e9639a271098378a743086c6780"],"state_sha256":"d15afc91527c910bf9e342dee70ffe2dfbd28eb05169dc128c93c1e899f4f9c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HKHelYaz1YDKZ2pnh+EZN+Lb3KF9DQnrWwEOEoMIa6fTrKMhlBn1hWiUg46rnfFiBEui7p3FGb17aLrrEwo7BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T20:25:51.512061Z","bundle_sha256":"68a0617928f89e0591af1308e587e29f26cbe4ab213549d1aba095dd687485f5"}}