{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:HSTV7U4UE3QNX53VKLMFXXGJHB","short_pith_number":"pith:HSTV7U4U","canonical_record":{"source":{"id":"1111.0822","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-11-03T12:51:47Z","cross_cats_sorted":[],"title_canon_sha256":"6282ab28744cb47837319e81eeda086b7c56cd01bf073ac4594aaee301ae8140","abstract_canon_sha256":"6c88e0daec049fb880f5946a1fa9025bc051fc5c4fab2f4d8c16ac8ebc02e520"},"schema_version":"1.0"},"canonical_sha256":"3ca75fd39426e0dbf77552d85bdcc9386e3c789b7880761acbf8c657fae79cf5","source":{"kind":"arxiv","id":"1111.0822","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.0822","created_at":"2026-05-18T01:59:47Z"},{"alias_kind":"arxiv_version","alias_value":"1111.0822v2","created_at":"2026-05-18T01:59:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.0822","created_at":"2026-05-18T01:59:47Z"},{"alias_kind":"pith_short_12","alias_value":"HSTV7U4UE3QN","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HSTV7U4UE3QNX53V","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HSTV7U4U","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:HSTV7U4UE3QNX53VKLMFXXGJHB","target":"record","payload":{"canonical_record":{"source":{"id":"1111.0822","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-11-03T12:51:47Z","cross_cats_sorted":[],"title_canon_sha256":"6282ab28744cb47837319e81eeda086b7c56cd01bf073ac4594aaee301ae8140","abstract_canon_sha256":"6c88e0daec049fb880f5946a1fa9025bc051fc5c4fab2f4d8c16ac8ebc02e520"},"schema_version":"1.0"},"canonical_sha256":"3ca75fd39426e0dbf77552d85bdcc9386e3c789b7880761acbf8c657fae79cf5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:47.838080Z","signature_b64":"aOecFfMIadiGHB628YahIM5T2eC20iLGqxpz4QjjS0h/3X+zLHmjZViatcYKcXEyeC4HJoAcBuL6B/F762vwAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ca75fd39426e0dbf77552d85bdcc9386e3c789b7880761acbf8c657fae79cf5","last_reissued_at":"2026-05-18T01:59:47.837431Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:47.837431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.0822","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":"2026-05-18T01:59:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tQFXqLmeVApvolxXmMFnUY8H8DJjKhWrX6fNK/AxCamecxszTmeoGPxw0ycya6eNIThXt2UwJeOpnFEBipO9CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T17:00:19.006701Z"},"content_sha256":"493063c3716a232e79f233d3b159507fb25445ea55f36f4240ae24ef8e36a645","schema_version":"1.0","event_id":"sha256:493063c3716a232e79f233d3b159507fb25445ea55f36f4240ae24ef8e36a645"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:HSTV7U4UE3QNX53VKLMFXXGJHB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimal measurement bases for Bell-tests based on the CH-inequality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"C. Saavedra, E. B. Inostroza, G. Lima, J.-{\\AA}. Larsson, R. O. Vianna","submitted_at":"2011-11-03T12:51:47Z","abstract_excerpt":"The Hardy test of nonlocality can be seen as a particular case of the Bell tests based on the Clauser-Horne (CH) inequality. Here we stress this connection when we analyze the relation between the CH-inequality violation, its threshold detection efficiency, and the measurement settings adopted in the test. It is well known that the threshold efficiencies decrease when one considers partially entangled states and that the use of these states, unfortunately, generates a reduction in the CH violation. Nevertheless, these quantities are both dependent on the measurement settings considered, and in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.0822","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":"2026-05-18T01:59:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GUJecrcjX8uYNUCYfguMGq3AqQxqyW+EPkAi1+YvyrTgkMS5rXlmvGqTzFTxjp6x11SlUtufka4zVee1l8EpBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T17:00:19.007440Z"},"content_sha256":"527318d18d79a4d3c61f8915d7364b1d9db17223a89e86da2a71957865643cc6","schema_version":"1.0","event_id":"sha256:527318d18d79a4d3c61f8915d7364b1d9db17223a89e86da2a71957865643cc6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HSTV7U4UE3QNX53VKLMFXXGJHB/bundle.json","state_url":"https://pith.science/pith/HSTV7U4UE3QNX53VKLMFXXGJHB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HSTV7U4UE3QNX53VKLMFXXGJHB/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":"2026-05-31T17:00:19Z","links":{"resolver":"https://pith.science/pith/HSTV7U4UE3QNX53VKLMFXXGJHB","bundle":"https://pith.science/pith/HSTV7U4UE3QNX53VKLMFXXGJHB/bundle.json","state":"https://pith.science/pith/HSTV7U4UE3QNX53VKLMFXXGJHB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HSTV7U4UE3QNX53VKLMFXXGJHB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:HSTV7U4UE3QNX53VKLMFXXGJHB","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":"6c88e0daec049fb880f5946a1fa9025bc051fc5c4fab2f4d8c16ac8ebc02e520","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-11-03T12:51:47Z","title_canon_sha256":"6282ab28744cb47837319e81eeda086b7c56cd01bf073ac4594aaee301ae8140"},"schema_version":"1.0","source":{"id":"1111.0822","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.0822","created_at":"2026-05-18T01:59:47Z"},{"alias_kind":"arxiv_version","alias_value":"1111.0822v2","created_at":"2026-05-18T01:59:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.0822","created_at":"2026-05-18T01:59:47Z"},{"alias_kind":"pith_short_12","alias_value":"HSTV7U4UE3QN","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"HSTV7U4UE3QNX53V","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"HSTV7U4U","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:527318d18d79a4d3c61f8915d7364b1d9db17223a89e86da2a71957865643cc6","target":"graph","created_at":"2026-05-18T01:59:47Z","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":"The Hardy test of nonlocality can be seen as a particular case of the Bell tests based on the Clauser-Horne (CH) inequality. Here we stress this connection when we analyze the relation between the CH-inequality violation, its threshold detection efficiency, and the measurement settings adopted in the test. It is well known that the threshold efficiencies decrease when one considers partially entangled states and that the use of these states, unfortunately, generates a reduction in the CH violation. Nevertheless, these quantities are both dependent on the measurement settings considered, and in","authors_text":"C. Saavedra, E. B. Inostroza, G. Lima, J.-{\\AA}. Larsson, R. O. Vianna","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-11-03T12:51:47Z","title":"Optimal measurement bases for Bell-tests based on the CH-inequality"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.0822","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":"sha256:493063c3716a232e79f233d3b159507fb25445ea55f36f4240ae24ef8e36a645","target":"record","created_at":"2026-05-18T01:59:47Z","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":"6c88e0daec049fb880f5946a1fa9025bc051fc5c4fab2f4d8c16ac8ebc02e520","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-11-03T12:51:47Z","title_canon_sha256":"6282ab28744cb47837319e81eeda086b7c56cd01bf073ac4594aaee301ae8140"},"schema_version":"1.0","source":{"id":"1111.0822","kind":"arxiv","version":2}},"canonical_sha256":"3ca75fd39426e0dbf77552d85bdcc9386e3c789b7880761acbf8c657fae79cf5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ca75fd39426e0dbf77552d85bdcc9386e3c789b7880761acbf8c657fae79cf5","first_computed_at":"2026-05-18T01:59:47.837431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:47.837431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aOecFfMIadiGHB628YahIM5T2eC20iLGqxpz4QjjS0h/3X+zLHmjZViatcYKcXEyeC4HJoAcBuL6B/F762vwAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:47.838080Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.0822","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:493063c3716a232e79f233d3b159507fb25445ea55f36f4240ae24ef8e36a645","sha256:527318d18d79a4d3c61f8915d7364b1d9db17223a89e86da2a71957865643cc6"],"state_sha256":"6ee301777495beb57b2e9eef131ec3fccedbcb26d5e8e74d4ef487cfa005516a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/sRPwvUR1n4bDd07QpCJ3F/KS0eLSXOeGlDQR+jY+X0UZTSXeoalEe6VFzRAjyLFGLOICBTy+RjF1XA0YfbEBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T17:00:19.011172Z","bundle_sha256":"fecf33169cf8bd20d3d5d232ce11c861d9e237885f1de8020706fea52dfb8b98"}}