{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:4VEAQ7MFMTPURNNXCCKMXIM4AM","short_pith_number":"pith:4VEAQ7MF","canonical_record":{"source":{"id":"1111.3955","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-11-16T21:00:35Z","cross_cats_sorted":[],"title_canon_sha256":"530b487939b93f2450ae7b1b8dd43eb32b80e7f6ff34a136dd75e4cde3d6a901","abstract_canon_sha256":"87a043d4f73512775cb07540391f050d56b15c1f8444ae19c7f500d4aec2e79f"},"schema_version":"1.0"},"canonical_sha256":"e548087d8564df48b5b71094cba19c033ad8341c402fecf5834c6b3d9cf486c4","source":{"kind":"arxiv","id":"1111.3955","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.3955","created_at":"2026-05-18T01:59:32Z"},{"alias_kind":"arxiv_version","alias_value":"1111.3955v2","created_at":"2026-05-18T01:59:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.3955","created_at":"2026-05-18T01:59:32Z"},{"alias_kind":"pith_short_12","alias_value":"4VEAQ7MFMTPU","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4VEAQ7MFMTPURNNX","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4VEAQ7MF","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:4VEAQ7MFMTPURNNXCCKMXIM4AM","target":"record","payload":{"canonical_record":{"source":{"id":"1111.3955","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-11-16T21:00:35Z","cross_cats_sorted":[],"title_canon_sha256":"530b487939b93f2450ae7b1b8dd43eb32b80e7f6ff34a136dd75e4cde3d6a901","abstract_canon_sha256":"87a043d4f73512775cb07540391f050d56b15c1f8444ae19c7f500d4aec2e79f"},"schema_version":"1.0"},"canonical_sha256":"e548087d8564df48b5b71094cba19c033ad8341c402fecf5834c6b3d9cf486c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:32.042954Z","signature_b64":"/IGFAYHAlHlRgXReiuPTfiO3gsBf/KuY062TYtJ1tFex9jU/2r0I0Atjb80U2OKp8h3D7MazTEYqJCDFGkmoCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e548087d8564df48b5b71094cba19c033ad8341c402fecf5834c6b3d9cf486c4","last_reissued_at":"2026-05-18T01:59:32.042307Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:32.042307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.3955","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":"2026-05-18T01:59:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8+kI7k51+IEOP/W4bREG5Gkx6ucmvOwidbbSQsLXTvGh6OLdjoTasbsqB2qdRD1QzWcL/LGrZ3iy/VCzbnaJDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:55:58.324523Z"},"content_sha256":"912f793be8f0fc4b216f245f001dba1ebbc2ec06e7f4e6a42de27ca34265b559","schema_version":"1.0","event_id":"sha256:912f793be8f0fc4b216f245f001dba1ebbc2ec06e7f4e6a42de27ca34265b559"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:4VEAQ7MFMTPURNNXCCKMXIM4AM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonclassicality of pure two-qutrit entangled states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jacek Gruca, Marek Zukowski, Wieslaw Laskowski","submitted_at":"2011-11-16T21:00:35Z","abstract_excerpt":"We report an exhaustive numerical analysis of violations of local realism by two qutrits in all possible pure entangled states. In Bell type experiments we allow any pairs of local unitary U(3) transformations to define the measurement bases. Surprisingly, Schmidt rank-2 states, resembling pairs of maximally entangled qubits, lead to the most noise-robust violations of local realism. The phenomenon seems to be even more pronounced for four and five dimensional systems, for which we tested a few interesting examples."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.3955","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":"2026-05-18T01:59:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GbPLHG4sVMvaP+JB6UimyzH92nXJo1fxiv0hkfWNqajSvKv7H9uUg9dXno88BIOFFvlLckrtD6LZa+RC3DrkCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:55:58.324879Z"},"content_sha256":"fe7ad1cb7a9580bb861950bb26b4f25498e154efc4cd8c562ec40911453c0ac9","schema_version":"1.0","event_id":"sha256:fe7ad1cb7a9580bb861950bb26b4f25498e154efc4cd8c562ec40911453c0ac9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4VEAQ7MFMTPURNNXCCKMXIM4AM/bundle.json","state_url":"https://pith.science/pith/4VEAQ7MFMTPURNNXCCKMXIM4AM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4VEAQ7MFMTPURNNXCCKMXIM4AM/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":"2026-06-02T22:55:58Z","links":{"resolver":"https://pith.science/pith/4VEAQ7MFMTPURNNXCCKMXIM4AM","bundle":"https://pith.science/pith/4VEAQ7MFMTPURNNXCCKMXIM4AM/bundle.json","state":"https://pith.science/pith/4VEAQ7MFMTPURNNXCCKMXIM4AM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4VEAQ7MFMTPURNNXCCKMXIM4AM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:4VEAQ7MFMTPURNNXCCKMXIM4AM","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":"87a043d4f73512775cb07540391f050d56b15c1f8444ae19c7f500d4aec2e79f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-11-16T21:00:35Z","title_canon_sha256":"530b487939b93f2450ae7b1b8dd43eb32b80e7f6ff34a136dd75e4cde3d6a901"},"schema_version":"1.0","source":{"id":"1111.3955","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.3955","created_at":"2026-05-18T01:59:32Z"},{"alias_kind":"arxiv_version","alias_value":"1111.3955v2","created_at":"2026-05-18T01:59:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.3955","created_at":"2026-05-18T01:59:32Z"},{"alias_kind":"pith_short_12","alias_value":"4VEAQ7MFMTPU","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4VEAQ7MFMTPURNNX","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4VEAQ7MF","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:fe7ad1cb7a9580bb861950bb26b4f25498e154efc4cd8c562ec40911453c0ac9","target":"graph","created_at":"2026-05-18T01:59:32Z","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 report an exhaustive numerical analysis of violations of local realism by two qutrits in all possible pure entangled states. In Bell type experiments we allow any pairs of local unitary U(3) transformations to define the measurement bases. Surprisingly, Schmidt rank-2 states, resembling pairs of maximally entangled qubits, lead to the most noise-robust violations of local realism. The phenomenon seems to be even more pronounced for four and five dimensional systems, for which we tested a few interesting examples.","authors_text":"Jacek Gruca, Marek Zukowski, Wieslaw Laskowski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-11-16T21:00:35Z","title":"Nonclassicality of pure two-qutrit entangled states"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.3955","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":"sha256:912f793be8f0fc4b216f245f001dba1ebbc2ec06e7f4e6a42de27ca34265b559","target":"record","created_at":"2026-05-18T01:59:32Z","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":"87a043d4f73512775cb07540391f050d56b15c1f8444ae19c7f500d4aec2e79f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-11-16T21:00:35Z","title_canon_sha256":"530b487939b93f2450ae7b1b8dd43eb32b80e7f6ff34a136dd75e4cde3d6a901"},"schema_version":"1.0","source":{"id":"1111.3955","kind":"arxiv","version":2}},"canonical_sha256":"e548087d8564df48b5b71094cba19c033ad8341c402fecf5834c6b3d9cf486c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e548087d8564df48b5b71094cba19c033ad8341c402fecf5834c6b3d9cf486c4","first_computed_at":"2026-05-18T01:59:32.042307Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:32.042307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/IGFAYHAlHlRgXReiuPTfiO3gsBf/KuY062TYtJ1tFex9jU/2r0I0Atjb80U2OKp8h3D7MazTEYqJCDFGkmoCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:32.042954Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.3955","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:912f793be8f0fc4b216f245f001dba1ebbc2ec06e7f4e6a42de27ca34265b559","sha256:fe7ad1cb7a9580bb861950bb26b4f25498e154efc4cd8c562ec40911453c0ac9"],"state_sha256":"fa37c2572de968cc46afece307c2b2206b5f52fe6dc103e46cca9f135ce0aa3c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HzYwnCiS2njBOJjKWXMpsBo7R6oVvY611xeUky/zsxr0FnH4ImZ/TsnxY/TcPGARK0XFNlmczt5lLxI/ocuoBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T22:55:58.326820Z","bundle_sha256":"92595e0301332c092d4e88f7d062c322e0a2bf5d6bb9483c0b76c57e6b0d843b"}}