{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:223YNDOK4TD5UV43H2V5WIAODD","short_pith_number":"pith:223YNDOK","canonical_record":{"source":{"id":"1611.06445","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-11-19T23:04:23Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"51296dd8f16b9b15f502842bd81af9777e383b4b00f197a88c425ef8b42e138e","abstract_canon_sha256":"455fdef2a36df5dfe2457202719a786b4ada4d0d30b3f2956d601917fb5e1807"},"schema_version":"1.0"},"canonical_sha256":"d6b7868dcae4c7da579b3eabdb200e18ea74828988e935c1bd580a95e3259eeb","source":{"kind":"arxiv","id":"1611.06445","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.06445","created_at":"2026-05-18T00:43:59Z"},{"alias_kind":"arxiv_version","alias_value":"1611.06445v2","created_at":"2026-05-18T00:43:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.06445","created_at":"2026-05-18T00:43:59Z"},{"alias_kind":"pith_short_12","alias_value":"223YNDOK4TD5","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"223YNDOK4TD5UV43","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"223YNDOK","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:223YNDOK4TD5UV43H2V5WIAODD","target":"record","payload":{"canonical_record":{"source":{"id":"1611.06445","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-11-19T23:04:23Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"51296dd8f16b9b15f502842bd81af9777e383b4b00f197a88c425ef8b42e138e","abstract_canon_sha256":"455fdef2a36df5dfe2457202719a786b4ada4d0d30b3f2956d601917fb5e1807"},"schema_version":"1.0"},"canonical_sha256":"d6b7868dcae4c7da579b3eabdb200e18ea74828988e935c1bd580a95e3259eeb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:59.046740Z","signature_b64":"PDMmG1dvBrF7vgxEQDyH7ZSdFhrRZgmqIlgtgSoVkNHHSrIkAQBNgZksOrLoyckO6YiQNavY6RmArFp4aFryAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6b7868dcae4c7da579b3eabdb200e18ea74828988e935c1bd580a95e3259eeb","last_reissued_at":"2026-05-18T00:43:59.046117Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:59.046117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.06445","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":"2026-05-18T00:43:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hBdwwt2SsrS4LbAAIfcZpoXHFXfO1US4LJ9cigdg4cmIHvmIeAmT/rDX4NO2b5tvPOpGZ3XJImrIAMTK1Ym3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T23:52:28.999128Z"},"content_sha256":"9badc773e4a1f340c341ab906515c4d28c584636a6cb8daf811411cd88e1a039","schema_version":"1.0","event_id":"sha256:9badc773e4a1f340c341ab906515c4d28c584636a6cb8daf811411cd88e1a039"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:223YNDOK4TD5UV43H2V5WIAODD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of Spatial Quantum Correlations in the Macroscopic Regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.optics","authors_text":"A. M. Marino, Ashok Kumar, Hayden Nunley","submitted_at":"2016-11-19T23:04:23Z","abstract_excerpt":"Spatial quantum correlations in the transverse degree of freedom promise to enhance optical resolution, image detection, and quantum communications through parallel quantum information encoding. In particular, the ability to observe these spatial quantum correlations in a single shot will enable such enhancements in applications that require real time imaging, such as particle tracking and in-situ imaging of atomic systems. Here, we report on measurements in the far-field that show spatial quantum correlations in single images of bright twin-beams with $10^8$ photons in a 1~$\\mu$s pulse using "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.06445","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":"2026-05-18T00:43:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zaWXD1tmkUlqalSfLX50YPNpn9vk1woEx8kTCFFjmTwZ5zKIuG/qUOFJ9iLg9F8TFqSZIcRQjM9bU0FqdSnECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T23:52:28.999490Z"},"content_sha256":"17fb6bcb9ef578dbd1a4deb96d317441c927173f372e2b2d512420f708aaa1d8","schema_version":"1.0","event_id":"sha256:17fb6bcb9ef578dbd1a4deb96d317441c927173f372e2b2d512420f708aaa1d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/223YNDOK4TD5UV43H2V5WIAODD/bundle.json","state_url":"https://pith.science/pith/223YNDOK4TD5UV43H2V5WIAODD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/223YNDOK4TD5UV43H2V5WIAODD/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":"2026-06-20T23:52:29Z","links":{"resolver":"https://pith.science/pith/223YNDOK4TD5UV43H2V5WIAODD","bundle":"https://pith.science/pith/223YNDOK4TD5UV43H2V5WIAODD/bundle.json","state":"https://pith.science/pith/223YNDOK4TD5UV43H2V5WIAODD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/223YNDOK4TD5UV43H2V5WIAODD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:223YNDOK4TD5UV43H2V5WIAODD","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":"455fdef2a36df5dfe2457202719a786b4ada4d0d30b3f2956d601917fb5e1807","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-11-19T23:04:23Z","title_canon_sha256":"51296dd8f16b9b15f502842bd81af9777e383b4b00f197a88c425ef8b42e138e"},"schema_version":"1.0","source":{"id":"1611.06445","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.06445","created_at":"2026-05-18T00:43:59Z"},{"alias_kind":"arxiv_version","alias_value":"1611.06445v2","created_at":"2026-05-18T00:43:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.06445","created_at":"2026-05-18T00:43:59Z"},{"alias_kind":"pith_short_12","alias_value":"223YNDOK4TD5","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"223YNDOK4TD5UV43","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"223YNDOK","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:17fb6bcb9ef578dbd1a4deb96d317441c927173f372e2b2d512420f708aaa1d8","target":"graph","created_at":"2026-05-18T00:43:59Z","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":"Spatial quantum correlations in the transverse degree of freedom promise to enhance optical resolution, image detection, and quantum communications through parallel quantum information encoding. In particular, the ability to observe these spatial quantum correlations in a single shot will enable such enhancements in applications that require real time imaging, such as particle tracking and in-situ imaging of atomic systems. Here, we report on measurements in the far-field that show spatial quantum correlations in single images of bright twin-beams with $10^8$ photons in a 1~$\\mu$s pulse using ","authors_text":"A. M. Marino, Ashok Kumar, Hayden Nunley","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-11-19T23:04:23Z","title":"Observation of Spatial Quantum Correlations in the Macroscopic Regime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.06445","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":"sha256:9badc773e4a1f340c341ab906515c4d28c584636a6cb8daf811411cd88e1a039","target":"record","created_at":"2026-05-18T00:43:59Z","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":"455fdef2a36df5dfe2457202719a786b4ada4d0d30b3f2956d601917fb5e1807","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-11-19T23:04:23Z","title_canon_sha256":"51296dd8f16b9b15f502842bd81af9777e383b4b00f197a88c425ef8b42e138e"},"schema_version":"1.0","source":{"id":"1611.06445","kind":"arxiv","version":2}},"canonical_sha256":"d6b7868dcae4c7da579b3eabdb200e18ea74828988e935c1bd580a95e3259eeb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6b7868dcae4c7da579b3eabdb200e18ea74828988e935c1bd580a95e3259eeb","first_computed_at":"2026-05-18T00:43:59.046117Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:59.046117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PDMmG1dvBrF7vgxEQDyH7ZSdFhrRZgmqIlgtgSoVkNHHSrIkAQBNgZksOrLoyckO6YiQNavY6RmArFp4aFryAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:59.046740Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.06445","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9badc773e4a1f340c341ab906515c4d28c584636a6cb8daf811411cd88e1a039","sha256:17fb6bcb9ef578dbd1a4deb96d317441c927173f372e2b2d512420f708aaa1d8"],"state_sha256":"b0233d71a1224b99ee4d79a953a88b955d70e006d7a5f75fc40b7ddfa3149d66"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6IcBRHkHyUuOzsEVucQYa0ChYGcOLlFcaLKnsP+KSFKQvRhb7QlV+3Cq9xeVk+AT5AWS1gHZi4yaVZUFrbu5BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T23:52:29.001367Z","bundle_sha256":"abec04f59bcd22192465070afb630c467cdab1ae4acfb83ac2ad52b75af13d1d"}}