{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7JS3BIVKXUJVJ7CSV4QBHZ4JEV","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":"fcc6d6e90fcf47bc8bdef271e167ecf1c62de916ff6a6f53f79dab921dd42635","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-06-04T16:14:14Z","title_canon_sha256":"359a59eb8a06454234c1117ffab180b865880f6c9b6101791d6e457461002209"},"schema_version":"1.0","source":{"id":"1306.0843","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0843","created_at":"2026-05-18T03:01:35Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0843v2","created_at":"2026-05-18T03:01:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0843","created_at":"2026-05-18T03:01:35Z"},{"alias_kind":"pith_short_12","alias_value":"7JS3BIVKXUJV","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7JS3BIVKXUJVJ7CS","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7JS3BIVK","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:84bc38633740d0a421b9486beb2f04ef63d82094faa06f11e9ffe010f145dc13","target":"graph","created_at":"2026-05-18T03:01:35Z","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":"We propose a criterion which defines whether a superposition of two photonic components is macroscopic. It is based on the ability to discriminate these components with a particular class of \"classical\" detectors, namely a photon number measurement with a resolution coarse-grained by noise. We show how our criterion can be extended to a measure of the size of macroscopic superpositions by quantifying the amount of noise that can be tolerated and taking the distinctness of two Fock states differing by N photons as a reference. After applying our measure to several well-known examples, we demons","authors_text":"Nicolas Gisin, Nicolas Sangouard, Pavel Sekatski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-06-04T16:14:14Z","title":"The size of quantum superpositions as measured with \"classical\" detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0843","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":"sha256:1f8dc0fd29f07643c27f690826aac093479365f942e3d505e4b4970bdb60aa96","target":"record","created_at":"2026-05-18T03:01:35Z","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":"fcc6d6e90fcf47bc8bdef271e167ecf1c62de916ff6a6f53f79dab921dd42635","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-06-04T16:14:14Z","title_canon_sha256":"359a59eb8a06454234c1117ffab180b865880f6c9b6101791d6e457461002209"},"schema_version":"1.0","source":{"id":"1306.0843","kind":"arxiv","version":2}},"canonical_sha256":"fa65b0a2aabd1354fc52af2013e789254a9b537e57ba8c9eb632afa5c8a8200a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa65b0a2aabd1354fc52af2013e789254a9b537e57ba8c9eb632afa5c8a8200a","first_computed_at":"2026-05-18T03:01:35.787515Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:01:35.787515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BuEnQt4OAxClMe1njFH8sqf4Nh/97zWfajZ1dHCw7AfBULyS6ZBkcPWqpBEXe1sJFI4vJ8c/LXsSTtCDKYlgAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:01:35.788150Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.0843","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f8dc0fd29f07643c27f690826aac093479365f942e3d505e4b4970bdb60aa96","sha256:84bc38633740d0a421b9486beb2f04ef63d82094faa06f11e9ffe010f145dc13"],"state_sha256":"8c1f40422f1f116d6a38042c808ed93f3dbace4c603aafd2c2a8d19288090975"}