{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:PFKBO2SYCPXB2H5LS7WV3NKUM5","short_pith_number":"pith:PFKBO2SY","canonical_record":{"source":{"id":"1705.05557","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-16T07:18:11Z","cross_cats_sorted":[],"title_canon_sha256":"a5e565201ea867dadbe6e4961422ddad36152f68370625404cea01d88e6d2bdb","abstract_canon_sha256":"98b505b6d608f546bca3a56df38a2b3f296381a11dbd07485f8f3c60c0321375"},"schema_version":"1.0"},"canonical_sha256":"7954176a5813ee1d1fab97ed5db554677964ccab320459f6a5ce2c906cb5b236","source":{"kind":"arxiv","id":"1705.05557","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.05557","created_at":"2026-05-18T00:35:20Z"},{"alias_kind":"arxiv_version","alias_value":"1705.05557v2","created_at":"2026-05-18T00:35:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.05557","created_at":"2026-05-18T00:35:20Z"},{"alias_kind":"pith_short_12","alias_value":"PFKBO2SYCPXB","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PFKBO2SYCPXB2H5L","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PFKBO2SY","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:PFKBO2SYCPXB2H5LS7WV3NKUM5","target":"record","payload":{"canonical_record":{"source":{"id":"1705.05557","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-16T07:18:11Z","cross_cats_sorted":[],"title_canon_sha256":"a5e565201ea867dadbe6e4961422ddad36152f68370625404cea01d88e6d2bdb","abstract_canon_sha256":"98b505b6d608f546bca3a56df38a2b3f296381a11dbd07485f8f3c60c0321375"},"schema_version":"1.0"},"canonical_sha256":"7954176a5813ee1d1fab97ed5db554677964ccab320459f6a5ce2c906cb5b236","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:20.544124Z","signature_b64":"f9FU4f6tJyBELIXe2z4h/LgVZRlDQo+9N0zaoDH5NczNr78KTleLxnbLz4OKfDk43Xt/Pam5Yf2hvU+0psIYCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7954176a5813ee1d1fab97ed5db554677964ccab320459f6a5ce2c906cb5b236","last_reissued_at":"2026-05-18T00:35:20.543646Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:20.543646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.05557","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":"2026-05-18T00:35:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lf442dw5yI4+q3TtgWiiKaZ3Fe2RpVDpAS+q/XnzME+qt+QuPO79QwiqpEL/j3WiD06gmbPGK4ijPgDGPzObDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:10:21.454961Z"},"content_sha256":"237799fb36ef2e3e9b5aabb234b41344ed93410096fbf9462fa8ad751ae1de3d","schema_version":"1.0","event_id":"sha256:237799fb36ef2e3e9b5aabb234b41344ed93410096fbf9462fa8ad751ae1de3d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:PFKBO2SYCPXB2H5LS7WV3NKUM5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Separability criterion for three-qubit states with a four dimensional norm","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Kyung Hoon Han, Lin Chen, Seung-Hyeok Kye","submitted_at":"2017-05-16T07:18:11Z","abstract_excerpt":"We give a separability criterion for three qubit states in terms of diagonal and anti-diagonal entries. This gives us a complete characterization of separability when all the entries are zero except for diagonal and anti-diagonals. The criterion is expressed in terms of a norm arising from anti-diagonal entries. We compute this norm in several cases, so that we get criteria with which we can decide the separability by routine computations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.05557","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":"2026-05-18T00:35:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VAGzDzioN1QjmtUYtv6U12GCyFfHUerd7ySLX2z7ic0htjNc6j7htaZ+Lmehm4v3rpYpJdxPekBP6xPaex4+Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:10:21.455664Z"},"content_sha256":"0b3499791a5546fa23bb488928c84c93d0a66c0a4c4b25b2740d00d7f7c35f22","schema_version":"1.0","event_id":"sha256:0b3499791a5546fa23bb488928c84c93d0a66c0a4c4b25b2740d00d7f7c35f22"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PFKBO2SYCPXB2H5LS7WV3NKUM5/bundle.json","state_url":"https://pith.science/pith/PFKBO2SYCPXB2H5LS7WV3NKUM5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PFKBO2SYCPXB2H5LS7WV3NKUM5/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":"2026-05-25T11:10:21Z","links":{"resolver":"https://pith.science/pith/PFKBO2SYCPXB2H5LS7WV3NKUM5","bundle":"https://pith.science/pith/PFKBO2SYCPXB2H5LS7WV3NKUM5/bundle.json","state":"https://pith.science/pith/PFKBO2SYCPXB2H5LS7WV3NKUM5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PFKBO2SYCPXB2H5LS7WV3NKUM5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:PFKBO2SYCPXB2H5LS7WV3NKUM5","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":"98b505b6d608f546bca3a56df38a2b3f296381a11dbd07485f8f3c60c0321375","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-16T07:18:11Z","title_canon_sha256":"a5e565201ea867dadbe6e4961422ddad36152f68370625404cea01d88e6d2bdb"},"schema_version":"1.0","source":{"id":"1705.05557","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.05557","created_at":"2026-05-18T00:35:20Z"},{"alias_kind":"arxiv_version","alias_value":"1705.05557v2","created_at":"2026-05-18T00:35:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.05557","created_at":"2026-05-18T00:35:20Z"},{"alias_kind":"pith_short_12","alias_value":"PFKBO2SYCPXB","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PFKBO2SYCPXB2H5L","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PFKBO2SY","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:0b3499791a5546fa23bb488928c84c93d0a66c0a4c4b25b2740d00d7f7c35f22","target":"graph","created_at":"2026-05-18T00:35:20Z","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 give a separability criterion for three qubit states in terms of diagonal and anti-diagonal entries. This gives us a complete characterization of separability when all the entries are zero except for diagonal and anti-diagonals. The criterion is expressed in terms of a norm arising from anti-diagonal entries. We compute this norm in several cases, so that we get criteria with which we can decide the separability by routine computations.","authors_text":"Kyung Hoon Han, Lin Chen, Seung-Hyeok Kye","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-16T07:18:11Z","title":"Separability criterion for three-qubit states with a four dimensional norm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.05557","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":"sha256:237799fb36ef2e3e9b5aabb234b41344ed93410096fbf9462fa8ad751ae1de3d","target":"record","created_at":"2026-05-18T00:35:20Z","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":"98b505b6d608f546bca3a56df38a2b3f296381a11dbd07485f8f3c60c0321375","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-16T07:18:11Z","title_canon_sha256":"a5e565201ea867dadbe6e4961422ddad36152f68370625404cea01d88e6d2bdb"},"schema_version":"1.0","source":{"id":"1705.05557","kind":"arxiv","version":2}},"canonical_sha256":"7954176a5813ee1d1fab97ed5db554677964ccab320459f6a5ce2c906cb5b236","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7954176a5813ee1d1fab97ed5db554677964ccab320459f6a5ce2c906cb5b236","first_computed_at":"2026-05-18T00:35:20.543646Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:20.543646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f9FU4f6tJyBELIXe2z4h/LgVZRlDQo+9N0zaoDH5NczNr78KTleLxnbLz4OKfDk43Xt/Pam5Yf2hvU+0psIYCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:20.544124Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.05557","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:237799fb36ef2e3e9b5aabb234b41344ed93410096fbf9462fa8ad751ae1de3d","sha256:0b3499791a5546fa23bb488928c84c93d0a66c0a4c4b25b2740d00d7f7c35f22"],"state_sha256":"091845e99fe105dc4bfc8e5b039359711e78bc0ebc682e55a39557c3649de51c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GmnBKFy3ylYPFbjufrPZWR2RIdsz3ebRf2e3HNq0NVVaK2LO/2CRO6+U+SL3CY/J5f7fOho5SmO02rIGJWT/AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T11:10:21.459205Z","bundle_sha256":"243cefefc42c6bd925b127764f59e11730faf202436e8b2f2fb358a7f39a8b63"}}