{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NKSRWJB74XZ7YHIXP7HCNZ3GTI","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":"ee88b423c614cc2e833692baff8f09523db90a69c01e9cad62c3831ca2bd1e24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-25T16:52:43Z","title_canon_sha256":"cd8bdba718a9547f47ecedf86abd3851a5e52a6ea134f0ca0e7f47dc337eb3de"},"schema_version":"1.0","source":{"id":"2606.27276","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.27276","created_at":"2026-06-26T01:16:17Z"},{"alias_kind":"arxiv_version","alias_value":"2606.27276v1","created_at":"2026-06-26T01:16:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.27276","created_at":"2026-06-26T01:16:17Z"},{"alias_kind":"pith_short_12","alias_value":"NKSRWJB74XZ7","created_at":"2026-06-26T01:16:17Z"},{"alias_kind":"pith_short_16","alias_value":"NKSRWJB74XZ7YHIX","created_at":"2026-06-26T01:16:17Z"},{"alias_kind":"pith_short_8","alias_value":"NKSRWJB7","created_at":"2026-06-26T01:16:17Z"}],"graph_snapshots":[{"event_id":"sha256:439fd5c232036dfbdc3647a987dc20841f132e79e1f62532e2fb9b2878ec2140","target":"graph","created_at":"2026-06-26T01:16:17Z","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/2606.27276/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Conventional stellar interferometry reconstructs incoherent sources from pairwise mutual coherences between telescopes. Are such pairwise measurements sufficient for quantum-limited subdiffraction imaging with a telescope array? We show that for generic image-moment estimation, they are not. We consider weak incoherent light from a generic extended source observed by an array of telescopes, each supporting a single optical mode. For an N-telescope array, we derive the quantum Fisher information (QFI) scaling of image moments up to the cutoff 2N-2 and prove that arbitrary measurements restricte","authors_text":"Thomas Jennewein, Wilson Wu, Yujie Zhang, Yunkai Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-25T16:52:43Z","title":"Quantum-Limited Subdiffraction Telescopy Requires Genuine Multi-Telescope Interference"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.27276","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":"sha256:878b47c6b6558d821b80e510f2670c71d6dd944db5e9ea0339c6e97b0ee84b8e","target":"record","created_at":"2026-06-26T01:16:17Z","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":"ee88b423c614cc2e833692baff8f09523db90a69c01e9cad62c3831ca2bd1e24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-25T16:52:43Z","title_canon_sha256":"cd8bdba718a9547f47ecedf86abd3851a5e52a6ea134f0ca0e7f47dc337eb3de"},"schema_version":"1.0","source":{"id":"2606.27276","kind":"arxiv","version":1}},"canonical_sha256":"6aa51b243fe5f3fc1d177fce26e7669a2429421927ae491c91b7caa3f8d73714","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6aa51b243fe5f3fc1d177fce26e7669a2429421927ae491c91b7caa3f8d73714","first_computed_at":"2026-06-26T01:16:17.290223Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-26T01:16:17.290223Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Jo2lRQa1ZD9JXOeJSLaReyX2rkZHwJ6pJYZfifbG1X+g53srSULXR/KrtiGwqqpmYRegsI268XSWA6QmGEiWCg==","signature_status":"signed_v1","signed_at":"2026-06-26T01:16:17.290782Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.27276","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:878b47c6b6558d821b80e510f2670c71d6dd944db5e9ea0339c6e97b0ee84b8e","sha256:439fd5c232036dfbdc3647a987dc20841f132e79e1f62532e2fb9b2878ec2140"],"state_sha256":"ecb91bf738e83cf4b635877c80ad08b0f7b1b510e200ab59153760b7373480b5"}