{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:OSKB4D5XVOXQDZHM22S5TTW57A","short_pith_number":"pith:OSKB4D5X","canonical_record":{"source":{"id":"1604.06870","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-23T06:34:03Z","cross_cats_sorted":[],"title_canon_sha256":"fd014a46220598ace31725a6ff826e133a74635173a739840957717f0e5ab4c6","abstract_canon_sha256":"879a6b9f1e13755274933bdc87bd451178329edbc23acc40b56aaa0c56961dc6"},"schema_version":"1.0"},"canonical_sha256":"74941e0fb7abaf01e4ecd6a5d9ceddf83ad7908a448cc88f962023a1328a6709","source":{"kind":"arxiv","id":"1604.06870","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.06870","created_at":"2026-05-18T01:16:23Z"},{"alias_kind":"arxiv_version","alias_value":"1604.06870v1","created_at":"2026-05-18T01:16:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.06870","created_at":"2026-05-18T01:16:23Z"},{"alias_kind":"pith_short_12","alias_value":"OSKB4D5XVOXQ","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"OSKB4D5XVOXQDZHM","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"OSKB4D5X","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:OSKB4D5XVOXQDZHM22S5TTW57A","target":"record","payload":{"canonical_record":{"source":{"id":"1604.06870","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-23T06:34:03Z","cross_cats_sorted":[],"title_canon_sha256":"fd014a46220598ace31725a6ff826e133a74635173a739840957717f0e5ab4c6","abstract_canon_sha256":"879a6b9f1e13755274933bdc87bd451178329edbc23acc40b56aaa0c56961dc6"},"schema_version":"1.0"},"canonical_sha256":"74941e0fb7abaf01e4ecd6a5d9ceddf83ad7908a448cc88f962023a1328a6709","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:23.747446Z","signature_b64":"ah1veE9ZFOasm/gwEWPiR61Il4SIGMBUoAMf6sq0yuWnlvbaoM+BH12lfDPdHYXTnexBqda8NMqwNePZHLz9Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74941e0fb7abaf01e4ecd6a5d9ceddf83ad7908a448cc88f962023a1328a6709","last_reissued_at":"2026-05-18T01:16:23.746908Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:23.746908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.06870","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:16:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pUm7iaGiIGnCqFPVmbn1IX3uWzdsl3S8MRZZpXrR+CESiNUg3mI26cJ8PRS1OJs1xfZB1oaiNDed8sGe1Z2VBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T21:09:03.857157Z"},"content_sha256":"cf66aa1626383a163977292f9497429860aab3cad8ae09880fd3b1c0b98e088f","schema_version":"1.0","event_id":"sha256:cf66aa1626383a163977292f9497429860aab3cad8ae09880fd3b1c0b98e088f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:OSKB4D5XVOXQDZHM22S5TTW57A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comparison of quantum discord and fully entangled fraction of two classes of $d\\otimes d^2$ states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Javad Behdani, Mohsen Sarbishaei, Seyed Javad Akhtarshenas","submitted_at":"2016-04-23T06:34:03Z","abstract_excerpt":"The quantumness of a generic state is the resource of many applications in quantum information theory and it is interesting to survey the measures which are able to detect its trace in the properties of the state. In this work we study the quantum discord and fully entangled fraction of two classes of bipartite states and compare their behaviors. These classes are complements to the $d\\otimes d$ Werner and isotropic states, in the sense that each class possesses the same purification as the corresponding complemental class of states. Our results show that maximally entangled mixed states are a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.06870","kind":"arxiv","version":1},"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":"2026-05-18T01:16:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"puhePn4LNwhz2wYUOtYlPon3KvJcdopLlEDtQdGmkjqON9ShUPx7FB6JHk5MWYK/bhWtBX+VdChkfw2wsYt5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T21:09:03.857894Z"},"content_sha256":"acfa40ebafe9c01bf6a1c7002dc4452ddc1462d5e16f325dbacf4e19c08a10ff","schema_version":"1.0","event_id":"sha256:acfa40ebafe9c01bf6a1c7002dc4452ddc1462d5e16f325dbacf4e19c08a10ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OSKB4D5XVOXQDZHM22S5TTW57A/bundle.json","state_url":"https://pith.science/pith/OSKB4D5XVOXQDZHM22S5TTW57A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OSKB4D5XVOXQDZHM22S5TTW57A/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":"2026-06-09T21:09:03Z","links":{"resolver":"https://pith.science/pith/OSKB4D5XVOXQDZHM22S5TTW57A","bundle":"https://pith.science/pith/OSKB4D5XVOXQDZHM22S5TTW57A/bundle.json","state":"https://pith.science/pith/OSKB4D5XVOXQDZHM22S5TTW57A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OSKB4D5XVOXQDZHM22S5TTW57A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:OSKB4D5XVOXQDZHM22S5TTW57A","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":"879a6b9f1e13755274933bdc87bd451178329edbc23acc40b56aaa0c56961dc6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-23T06:34:03Z","title_canon_sha256":"fd014a46220598ace31725a6ff826e133a74635173a739840957717f0e5ab4c6"},"schema_version":"1.0","source":{"id":"1604.06870","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.06870","created_at":"2026-05-18T01:16:23Z"},{"alias_kind":"arxiv_version","alias_value":"1604.06870v1","created_at":"2026-05-18T01:16:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.06870","created_at":"2026-05-18T01:16:23Z"},{"alias_kind":"pith_short_12","alias_value":"OSKB4D5XVOXQ","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"OSKB4D5XVOXQDZHM","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"OSKB4D5X","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:acfa40ebafe9c01bf6a1c7002dc4452ddc1462d5e16f325dbacf4e19c08a10ff","target":"graph","created_at":"2026-05-18T01:16:23Z","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 quantumness of a generic state is the resource of many applications in quantum information theory and it is interesting to survey the measures which are able to detect its trace in the properties of the state. In this work we study the quantum discord and fully entangled fraction of two classes of bipartite states and compare their behaviors. These classes are complements to the $d\\otimes d$ Werner and isotropic states, in the sense that each class possesses the same purification as the corresponding complemental class of states. Our results show that maximally entangled mixed states are a","authors_text":"Javad Behdani, Mohsen Sarbishaei, Seyed Javad Akhtarshenas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-23T06:34:03Z","title":"Comparison of quantum discord and fully entangled fraction of two classes of $d\\otimes d^2$ states"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.06870","kind":"arxiv","version":1},"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:cf66aa1626383a163977292f9497429860aab3cad8ae09880fd3b1c0b98e088f","target":"record","created_at":"2026-05-18T01:16:23Z","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":"879a6b9f1e13755274933bdc87bd451178329edbc23acc40b56aaa0c56961dc6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-23T06:34:03Z","title_canon_sha256":"fd014a46220598ace31725a6ff826e133a74635173a739840957717f0e5ab4c6"},"schema_version":"1.0","source":{"id":"1604.06870","kind":"arxiv","version":1}},"canonical_sha256":"74941e0fb7abaf01e4ecd6a5d9ceddf83ad7908a448cc88f962023a1328a6709","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"74941e0fb7abaf01e4ecd6a5d9ceddf83ad7908a448cc88f962023a1328a6709","first_computed_at":"2026-05-18T01:16:23.746908Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:23.746908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ah1veE9ZFOasm/gwEWPiR61Il4SIGMBUoAMf6sq0yuWnlvbaoM+BH12lfDPdHYXTnexBqda8NMqwNePZHLz9Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:23.747446Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.06870","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf66aa1626383a163977292f9497429860aab3cad8ae09880fd3b1c0b98e088f","sha256:acfa40ebafe9c01bf6a1c7002dc4452ddc1462d5e16f325dbacf4e19c08a10ff"],"state_sha256":"4cb6773336db31d2127bd660f3e037961b95b916043250302e5204d01fff796d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ujyQp7Jlu2fUErJpmFvdXvCu0hGaTnRqJ+8ESCpnn4Q76kCxDfV2ll193eRKtbtCgiYY4vER0zZ+fphPd5BQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T21:09:03.861901Z","bundle_sha256":"574758d3fd69247cb04c993022a865c90740b05c42560f618ad6eb671cf677df"}}