{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:XHKESD6DNV2TSIWC3OUH6NUAEH","short_pith_number":"pith:XHKESD6D","schema_version":"1.0","canonical_sha256":"b9d4490fc36d753922c2dba87f368021d440c8dc0d3289d4796c69c10759c1ef","source":{"kind":"arxiv","id":"1004.1655","version":1},"attestation_state":"computed","paper":{"title":"A class of Bell diagonal states and entanglement witnesses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Kossakowski, D. Chruscinski, K. Mlodawski, T. Matsuoka","submitted_at":"2010-04-09T21:16:28Z","abstract_excerpt":"We analyze special class of bipartite states - so called Bell diagonal states. In particular we provide new examples of bound entangled Bell diagonal states and construct the class of entanglement witnesses diagonal in the magic basis."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1004.1655","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-04-09T21:16:28Z","cross_cats_sorted":[],"title_canon_sha256":"1cfdeb9e7c9a5b0ac08774bcf1b414b3ee3d29cb199b29e3c1a3665328272d64","abstract_canon_sha256":"77d9aff79b08d65d733a5754ed571c5a5bf182e9b165d893a310b4d0b8689518"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:35:56.919761Z","signature_b64":"2XcFtlSFMblleODLjPOfRuv7N+7cn0FYwnQ80XtXdcZKHguncys31H0zRN7rZCZgnQZSISFXze7vBcL3IjoIBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9d4490fc36d753922c2dba87f368021d440c8dc0d3289d4796c69c10759c1ef","last_reissued_at":"2026-05-18T04:35:56.919037Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:35:56.919037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A class of Bell diagonal states and entanglement witnesses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Kossakowski, D. Chruscinski, K. Mlodawski, T. Matsuoka","submitted_at":"2010-04-09T21:16:28Z","abstract_excerpt":"We analyze special class of bipartite states - so called Bell diagonal states. In particular we provide new examples of bound entangled Bell diagonal states and construct the class of entanglement witnesses diagonal in the magic basis."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.1655","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1004.1655","created_at":"2026-05-18T04:35:56.919137+00:00"},{"alias_kind":"arxiv_version","alias_value":"1004.1655v1","created_at":"2026-05-18T04:35:56.919137+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.1655","created_at":"2026-05-18T04:35:56.919137+00:00"},{"alias_kind":"pith_short_12","alias_value":"XHKESD6DNV2T","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_16","alias_value":"XHKESD6DNV2TSIWC","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_8","alias_value":"XHKESD6D","created_at":"2026-05-18T12:26:17.028572+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XHKESD6DNV2TSIWC3OUH6NUAEH","json":"https://pith.science/pith/XHKESD6DNV2TSIWC3OUH6NUAEH.json","graph_json":"https://pith.science/api/pith-number/XHKESD6DNV2TSIWC3OUH6NUAEH/graph.json","events_json":"https://pith.science/api/pith-number/XHKESD6DNV2TSIWC3OUH6NUAEH/events.json","paper":"https://pith.science/paper/XHKESD6D"},"agent_actions":{"view_html":"https://pith.science/pith/XHKESD6DNV2TSIWC3OUH6NUAEH","download_json":"https://pith.science/pith/XHKESD6DNV2TSIWC3OUH6NUAEH.json","view_paper":"https://pith.science/paper/XHKESD6D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1004.1655&json=true","fetch_graph":"https://pith.science/api/pith-number/XHKESD6DNV2TSIWC3OUH6NUAEH/graph.json","fetch_events":"https://pith.science/api/pith-number/XHKESD6DNV2TSIWC3OUH6NUAEH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XHKESD6DNV2TSIWC3OUH6NUAEH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XHKESD6DNV2TSIWC3OUH6NUAEH/action/storage_attestation","attest_author":"https://pith.science/pith/XHKESD6DNV2TSIWC3OUH6NUAEH/action/author_attestation","sign_citation":"https://pith.science/pith/XHKESD6DNV2TSIWC3OUH6NUAEH/action/citation_signature","submit_replication":"https://pith.science/pith/XHKESD6DNV2TSIWC3OUH6NUAEH/action/replication_record"}},"created_at":"2026-05-18T04:35:56.919137+00:00","updated_at":"2026-05-18T04:35:56.919137+00:00"}