{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:V2G2Z5CPBJ3TFVOMGA24RVPTJ4","short_pith_number":"pith:V2G2Z5CP","canonical_record":{"source":{"id":"2303.17268","kind":"arxiv","version":6},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-03-30T10:14:51Z","cross_cats_sorted":[],"title_canon_sha256":"fd4ee4d80c6bedabcb903c7a4997f7bb4920d65a0ff3f78a3e7f7a1ffbd43fca","abstract_canon_sha256":"db3e9183bccc978e44549e6311b12437653b9f5749074443ca277a92d54102cd"},"schema_version":"1.0"},"canonical_sha256":"ae8dacf44f0a7732d5cc3035c8d5f34f26bb4e8e8bf26ec28762d26030be4637","source":{"kind":"arxiv","id":"2303.17268","version":6},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.17268","created_at":"2026-07-05T08:59:48Z"},{"alias_kind":"arxiv_version","alias_value":"2303.17268v6","created_at":"2026-07-05T08:59:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.17268","created_at":"2026-07-05T08:59:48Z"},{"alias_kind":"pith_short_12","alias_value":"V2G2Z5CPBJ3T","created_at":"2026-07-05T08:59:48Z"},{"alias_kind":"pith_short_16","alias_value":"V2G2Z5CPBJ3TFVOM","created_at":"2026-07-05T08:59:48Z"},{"alias_kind":"pith_short_8","alias_value":"V2G2Z5CP","created_at":"2026-07-05T08:59:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:V2G2Z5CPBJ3TFVOMGA24RVPTJ4","target":"record","payload":{"canonical_record":{"source":{"id":"2303.17268","kind":"arxiv","version":6},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-03-30T10:14:51Z","cross_cats_sorted":[],"title_canon_sha256":"fd4ee4d80c6bedabcb903c7a4997f7bb4920d65a0ff3f78a3e7f7a1ffbd43fca","abstract_canon_sha256":"db3e9183bccc978e44549e6311b12437653b9f5749074443ca277a92d54102cd"},"schema_version":"1.0"},"canonical_sha256":"ae8dacf44f0a7732d5cc3035c8d5f34f26bb4e8e8bf26ec28762d26030be4637","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:59:48.834330Z","signature_b64":"/K99jZI9zf8k7g5ohrCOKjW0+0p5AgUjh0ZRGyyWDwbZnoe3Oxf3FQnOjsOhxm4CnaP2Tukx2dAE3CT5+pr4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae8dacf44f0a7732d5cc3035c8d5f34f26bb4e8e8bf26ec28762d26030be4637","last_reissued_at":"2026-07-05T08:59:48.833871Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:59:48.833871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.17268","source_version":6,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:59:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XKptNmKU/OxkggdHcGwNQB4IXrr+oYGu5YK7Ad5/7/pUUjqFiAKePNJPNWf1dM/FygzPudbKT25gkBg7k5JWAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:37:21.886859Z"},"content_sha256":"95a35d746c06fa87fb621ea950042348ba22c918969e1858214800f02955fe8a","schema_version":"1.0","event_id":"sha256:95a35d746c06fa87fb621ea950042348ba22c918969e1858214800f02955fe8a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:V2G2Z5CPBJ3TFVOMGA24RVPTJ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Classical-to-quantum non-signalling boxes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Carolina Moreira Ferrera, Daniel Collins, James Purcell, Robin Simmons, Sandu Popescu","submitted_at":"2023-03-30T10:14:51Z","abstract_excerpt":"Here we introduce the concept of classical input - quantum output (C-Q) non-signalling boxes, a generalisation of the classical input - classical output (C-C) non-signalling boxes. We argue that studying such objects leads to a better understanding of the relation between quantum nonlocality and non-locality beyond quantum mechanics. The main issue discussed in the paper is whether there exist 'genuine' C-Q boxes or all C-Q boxes can be built from objects already known, namely C-C boxes acting on pre-shared entangled quantum particles. We show that large classes of C-Q boxes are non-genuine. I"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.17268","kind":"arxiv","version":6},"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/2303.17268/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":"2026-07-05T08:59:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hxA+3EuqITIyxW2JkvPGKPIhr+iYVnre+BOp38d1kqdxJ6QOiu+WttC0ezfTGgWJ49x/nhxm8hfJZ2WbkvDYAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:37:21.887225Z"},"content_sha256":"022ae229b1790dd81b8ea9822822dcbe7da806951bb880b88f4dbdb390b56509","schema_version":"1.0","event_id":"sha256:022ae229b1790dd81b8ea9822822dcbe7da806951bb880b88f4dbdb390b56509"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V2G2Z5CPBJ3TFVOMGA24RVPTJ4/bundle.json","state_url":"https://pith.science/pith/V2G2Z5CPBJ3TFVOMGA24RVPTJ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V2G2Z5CPBJ3TFVOMGA24RVPTJ4/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":"2026-07-07T12:37:21Z","links":{"resolver":"https://pith.science/pith/V2G2Z5CPBJ3TFVOMGA24RVPTJ4","bundle":"https://pith.science/pith/V2G2Z5CPBJ3TFVOMGA24RVPTJ4/bundle.json","state":"https://pith.science/pith/V2G2Z5CPBJ3TFVOMGA24RVPTJ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V2G2Z5CPBJ3TFVOMGA24RVPTJ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:V2G2Z5CPBJ3TFVOMGA24RVPTJ4","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":"db3e9183bccc978e44549e6311b12437653b9f5749074443ca277a92d54102cd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-03-30T10:14:51Z","title_canon_sha256":"fd4ee4d80c6bedabcb903c7a4997f7bb4920d65a0ff3f78a3e7f7a1ffbd43fca"},"schema_version":"1.0","source":{"id":"2303.17268","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.17268","created_at":"2026-07-05T08:59:48Z"},{"alias_kind":"arxiv_version","alias_value":"2303.17268v6","created_at":"2026-07-05T08:59:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.17268","created_at":"2026-07-05T08:59:48Z"},{"alias_kind":"pith_short_12","alias_value":"V2G2Z5CPBJ3T","created_at":"2026-07-05T08:59:48Z"},{"alias_kind":"pith_short_16","alias_value":"V2G2Z5CPBJ3TFVOM","created_at":"2026-07-05T08:59:48Z"},{"alias_kind":"pith_short_8","alias_value":"V2G2Z5CP","created_at":"2026-07-05T08:59:48Z"}],"graph_snapshots":[{"event_id":"sha256:022ae229b1790dd81b8ea9822822dcbe7da806951bb880b88f4dbdb390b56509","target":"graph","created_at":"2026-07-05T08:59:48Z","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/2303.17268/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Here we introduce the concept of classical input - quantum output (C-Q) non-signalling boxes, a generalisation of the classical input - classical output (C-C) non-signalling boxes. We argue that studying such objects leads to a better understanding of the relation between quantum nonlocality and non-locality beyond quantum mechanics. The main issue discussed in the paper is whether there exist 'genuine' C-Q boxes or all C-Q boxes can be built from objects already known, namely C-C boxes acting on pre-shared entangled quantum particles. We show that large classes of C-Q boxes are non-genuine. I","authors_text":"Carolina Moreira Ferrera, Daniel Collins, James Purcell, Robin Simmons, Sandu Popescu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-03-30T10:14:51Z","title":"Classical-to-quantum non-signalling boxes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.17268","kind":"arxiv","version":6},"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":"sha256:95a35d746c06fa87fb621ea950042348ba22c918969e1858214800f02955fe8a","target":"record","created_at":"2026-07-05T08:59:48Z","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":"db3e9183bccc978e44549e6311b12437653b9f5749074443ca277a92d54102cd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-03-30T10:14:51Z","title_canon_sha256":"fd4ee4d80c6bedabcb903c7a4997f7bb4920d65a0ff3f78a3e7f7a1ffbd43fca"},"schema_version":"1.0","source":{"id":"2303.17268","kind":"arxiv","version":6}},"canonical_sha256":"ae8dacf44f0a7732d5cc3035c8d5f34f26bb4e8e8bf26ec28762d26030be4637","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae8dacf44f0a7732d5cc3035c8d5f34f26bb4e8e8bf26ec28762d26030be4637","first_computed_at":"2026-07-05T08:59:48.833871Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:59:48.833871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/K99jZI9zf8k7g5ohrCOKjW0+0p5AgUjh0ZRGyyWDwbZnoe3Oxf3FQnOjsOhxm4CnaP2Tukx2dAE3CT5+pr4CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:59:48.834330Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.17268","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:95a35d746c06fa87fb621ea950042348ba22c918969e1858214800f02955fe8a","sha256:022ae229b1790dd81b8ea9822822dcbe7da806951bb880b88f4dbdb390b56509"],"state_sha256":"efb078cfac65fda80e393afacbd22ed7984ac820eacbbc24c73ec43d352db778"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZHnWdpVtNkiallIWTGGnnIPHodtZ1G4RavId5hWBbdT2jeC81RL9mX1ZWSxzwuvEkBnuzM+rO4y5UT0cXgcHCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:37:21.889154Z","bundle_sha256":"b2b09d22ac6ccf9ab23b3b38dd862c8ba1e8a17af5b4dd46cd1ec0dbc3990788"}}