{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:YUFUCRJCGGNXFEW2VT4CPWDKZN","short_pith_number":"pith:YUFUCRJC","canonical_record":{"source":{"id":"1101.4893","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-01-25T18:42:56Z","cross_cats_sorted":[],"title_canon_sha256":"b49058bef92803c42a7763c9b6ca8e7d4dd576f4314d039aef408ed75e089cd8","abstract_canon_sha256":"f2f4eb0a5f3b4ad8065fba9079e2ec13e9600dd3a1b0e5cd40d4f902cf333baf"},"schema_version":"1.0"},"canonical_sha256":"c50b414522319b7292daacf827d86acb706de5b26660c08b83d9be0a1cf5f50f","source":{"kind":"arxiv","id":"1101.4893","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.4893","created_at":"2026-05-18T02:22:49Z"},{"alias_kind":"arxiv_version","alias_value":"1101.4893v3","created_at":"2026-05-18T02:22:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.4893","created_at":"2026-05-18T02:22:49Z"},{"alias_kind":"pith_short_12","alias_value":"YUFUCRJCGGNX","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YUFUCRJCGGNXFEW2","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YUFUCRJC","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:YUFUCRJCGGNXFEW2VT4CPWDKZN","target":"record","payload":{"canonical_record":{"source":{"id":"1101.4893","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-01-25T18:42:56Z","cross_cats_sorted":[],"title_canon_sha256":"b49058bef92803c42a7763c9b6ca8e7d4dd576f4314d039aef408ed75e089cd8","abstract_canon_sha256":"f2f4eb0a5f3b4ad8065fba9079e2ec13e9600dd3a1b0e5cd40d4f902cf333baf"},"schema_version":"1.0"},"canonical_sha256":"c50b414522319b7292daacf827d86acb706de5b26660c08b83d9be0a1cf5f50f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:22:49.815448Z","signature_b64":"6jZVhBCionhGBtYv9i9/gr6804NP1+hgqeLFk2SXyGEJVmwd1FxaFdLbbVimNo7zZ4CCc6GvQi04iFsx41wiBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c50b414522319b7292daacf827d86acb706de5b26660c08b83d9be0a1cf5f50f","last_reissued_at":"2026-05-18T02:22:49.814735Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:22:49.814735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.4893","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:22:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DGu8IujPShaKkzDyLvTVzSzbWJmlcw+5JBqy8l/9sZ2hdPFe70resPXLWgVKAqEmcndZVaZbFaJCu9SWAQ8YAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T03:54:53.754774Z"},"content_sha256":"45126c75c4471b9066852714c342325e6739390ae1ada1db9293a105bc6df988","schema_version":"1.0","event_id":"sha256:45126c75c4471b9066852714c342325e6739390ae1ada1db9293a105bc6df988"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:YUFUCRJCGGNXFEW2VT4CPWDKZN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bell inequalities with no quantum violation and unextendible product bases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Ac\\'in, C. Hadley, J. K. Korbicz, J. Stasi\\'nska, M. Lewenstein, R. Augusiak","submitted_at":"2011-01-25T18:42:56Z","abstract_excerpt":"The strength of classical correlations is subject to certain constraints, commonly known as Bell inequalities. Violation of these inequalities is the manifestation of nonlocality---displayed, in particular, by quantum mechanics, meaning that quantum mechanics can outperform classical physics at tasks associated with such Bell inequalities. Interestingly, however, there exist situations in which this is not the case. We associate an intriguing class of bound entangled states, constructed from unextendable product bases (UPBs) with a wide family of tasks, for which (i) quantum correlations do no"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.4893","kind":"arxiv","version":3},"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":"2026-05-18T02:22:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B1edxEuRpFcCE5Z89IEDmZuzuSVV/OaqxMSI+ZGAjGQM9qMWBfme4yNkrFvkGGPAzFsqnBsfHSYwwjJob9cRBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T03:54:53.755383Z"},"content_sha256":"4255662d6fa31e159e3b52436246d3ea219335e17f6537d5fee7654116a26314","schema_version":"1.0","event_id":"sha256:4255662d6fa31e159e3b52436246d3ea219335e17f6537d5fee7654116a26314"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YUFUCRJCGGNXFEW2VT4CPWDKZN/bundle.json","state_url":"https://pith.science/pith/YUFUCRJCGGNXFEW2VT4CPWDKZN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YUFUCRJCGGNXFEW2VT4CPWDKZN/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":"2026-06-06T03:54:53Z","links":{"resolver":"https://pith.science/pith/YUFUCRJCGGNXFEW2VT4CPWDKZN","bundle":"https://pith.science/pith/YUFUCRJCGGNXFEW2VT4CPWDKZN/bundle.json","state":"https://pith.science/pith/YUFUCRJCGGNXFEW2VT4CPWDKZN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YUFUCRJCGGNXFEW2VT4CPWDKZN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:YUFUCRJCGGNXFEW2VT4CPWDKZN","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":"f2f4eb0a5f3b4ad8065fba9079e2ec13e9600dd3a1b0e5cd40d4f902cf333baf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-01-25T18:42:56Z","title_canon_sha256":"b49058bef92803c42a7763c9b6ca8e7d4dd576f4314d039aef408ed75e089cd8"},"schema_version":"1.0","source":{"id":"1101.4893","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.4893","created_at":"2026-05-18T02:22:49Z"},{"alias_kind":"arxiv_version","alias_value":"1101.4893v3","created_at":"2026-05-18T02:22:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.4893","created_at":"2026-05-18T02:22:49Z"},{"alias_kind":"pith_short_12","alias_value":"YUFUCRJCGGNX","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YUFUCRJCGGNXFEW2","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YUFUCRJC","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:4255662d6fa31e159e3b52436246d3ea219335e17f6537d5fee7654116a26314","target":"graph","created_at":"2026-05-18T02:22:49Z","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 strength of classical correlations is subject to certain constraints, commonly known as Bell inequalities. Violation of these inequalities is the manifestation of nonlocality---displayed, in particular, by quantum mechanics, meaning that quantum mechanics can outperform classical physics at tasks associated with such Bell inequalities. Interestingly, however, there exist situations in which this is not the case. We associate an intriguing class of bound entangled states, constructed from unextendable product bases (UPBs) with a wide family of tasks, for which (i) quantum correlations do no","authors_text":"A. Ac\\'in, C. Hadley, J. K. Korbicz, J. Stasi\\'nska, M. Lewenstein, R. Augusiak","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-01-25T18:42:56Z","title":"Bell inequalities with no quantum violation and unextendible product bases"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.4893","kind":"arxiv","version":3},"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":"sha256:45126c75c4471b9066852714c342325e6739390ae1ada1db9293a105bc6df988","target":"record","created_at":"2026-05-18T02:22:49Z","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":"f2f4eb0a5f3b4ad8065fba9079e2ec13e9600dd3a1b0e5cd40d4f902cf333baf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-01-25T18:42:56Z","title_canon_sha256":"b49058bef92803c42a7763c9b6ca8e7d4dd576f4314d039aef408ed75e089cd8"},"schema_version":"1.0","source":{"id":"1101.4893","kind":"arxiv","version":3}},"canonical_sha256":"c50b414522319b7292daacf827d86acb706de5b26660c08b83d9be0a1cf5f50f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c50b414522319b7292daacf827d86acb706de5b26660c08b83d9be0a1cf5f50f","first_computed_at":"2026-05-18T02:22:49.814735Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:22:49.814735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6jZVhBCionhGBtYv9i9/gr6804NP1+hgqeLFk2SXyGEJVmwd1FxaFdLbbVimNo7zZ4CCc6GvQi04iFsx41wiBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:22:49.815448Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.4893","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:45126c75c4471b9066852714c342325e6739390ae1ada1db9293a105bc6df988","sha256:4255662d6fa31e159e3b52436246d3ea219335e17f6537d5fee7654116a26314"],"state_sha256":"0e8e46a2c40f885302528386bf395602aedde25b56f135a5adeed55079b3be50"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sYhn9y6Ya30lKxsrcqJ/260nvlS5LqrLmF76PxMj6cbhffHA0VmwR5gsaZlP6urZdtkvGdtjCU78+C/C3QhHCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T03:54:53.758331Z","bundle_sha256":"3885cfc5a619ce721a095a13c5c5dd7e5b28a7f27b3f27bf0503d2e6bf92ffba"}}