{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:EMMR5K2YVBC7UPFDFM5P676JOG","short_pith_number":"pith:EMMR5K2Y","canonical_record":{"source":{"id":"1812.01227","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-12-04T05:36:31Z","cross_cats_sorted":[],"title_canon_sha256":"4a81d1b1f56d2275db4ab6dbcebd1b0b9d3e3fd3e8f7ae51fdcea45fff3d9261","abstract_canon_sha256":"ae125f240ed004c152c8bb324a4f4b2146757c5e7a024b4fa7fb6cfc707058a6"},"schema_version":"1.0"},"canonical_sha256":"23191eab58a845fa3ca32b3aff7fc9718611a75f572e7c7f74c639be0953d71d","source":{"kind":"arxiv","id":"1812.01227","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.01227","created_at":"2026-05-17T23:50:09Z"},{"alias_kind":"arxiv_version","alias_value":"1812.01227v2","created_at":"2026-05-17T23:50:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.01227","created_at":"2026-05-17T23:50:09Z"},{"alias_kind":"pith_short_12","alias_value":"EMMR5K2YVBC7","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EMMR5K2YVBC7UPFD","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EMMR5K2Y","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:EMMR5K2YVBC7UPFDFM5P676JOG","target":"record","payload":{"canonical_record":{"source":{"id":"1812.01227","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-12-04T05:36:31Z","cross_cats_sorted":[],"title_canon_sha256":"4a81d1b1f56d2275db4ab6dbcebd1b0b9d3e3fd3e8f7ae51fdcea45fff3d9261","abstract_canon_sha256":"ae125f240ed004c152c8bb324a4f4b2146757c5e7a024b4fa7fb6cfc707058a6"},"schema_version":"1.0"},"canonical_sha256":"23191eab58a845fa3ca32b3aff7fc9718611a75f572e7c7f74c639be0953d71d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:09.422007Z","signature_b64":"difZiFJpeIxaTL+pyvPUqEsbzREtdKRAjuGlwZG51N7Ia3PDtffEcE0BDhbRHsiSQDE14lleKtZigFP7wemPAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23191eab58a845fa3ca32b3aff7fc9718611a75f572e7c7f74c639be0953d71d","last_reissued_at":"2026-05-17T23:50:09.421389Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:09.421389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.01227","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":"2026-05-17T23:50:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0U8i6Nkm1Fc6IeRgiludBFisTNIAc2jdA4gS/rjk2MFIAHkXOVPnz/a4MIE2binPP9m3lzlfdNEkpFNbCQVEDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:55:22.517240Z"},"content_sha256":"c38b37200df8838346d2e7b4ed21c8368a06abe2e3d599da281501f9f2d6683f","schema_version":"1.0","event_id":"sha256:c38b37200df8838346d2e7b4ed21c8368a06abe2e3d599da281501f9f2d6683f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:EMMR5K2YVBC7UPFDFM5P676JOG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Construction of three-qubit biseparable states distinguishing kinds of entanglement in a partial separability classification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Kyung Hoon Han, Seung-Hyeok Kye","submitted_at":"2018-12-04T05:36:31Z","abstract_excerpt":"We construct seven kinds of three-qubit biseparable states to show that every class of biseparable states in the partial separability classification proposed by Szalay and K\\\"ok\\'enyesi [S. Szalay and Z. K\\\"ok\\'enyesi, Phys. Rev. A 86, 032341 (2012)] is nonempty."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.01227","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":"2026-05-17T23:50:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7gb5uiZcbMwYIDYG1YpNbS013Ql1DwSJCbXPDw3YZvYYtFsOfjmWGztZxAQKrSMNN8Lnzx54QS3B0U6iV2waDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:55:22.517948Z"},"content_sha256":"6252d3c6baa1e64c1a6ec24208ce7fece40faf1484289ca0f021b17e487d7573","schema_version":"1.0","event_id":"sha256:6252d3c6baa1e64c1a6ec24208ce7fece40faf1484289ca0f021b17e487d7573"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EMMR5K2YVBC7UPFDFM5P676JOG/bundle.json","state_url":"https://pith.science/pith/EMMR5K2YVBC7UPFDFM5P676JOG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EMMR5K2YVBC7UPFDFM5P676JOG/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":"2026-05-25T10:55:22Z","links":{"resolver":"https://pith.science/pith/EMMR5K2YVBC7UPFDFM5P676JOG","bundle":"https://pith.science/pith/EMMR5K2YVBC7UPFDFM5P676JOG/bundle.json","state":"https://pith.science/pith/EMMR5K2YVBC7UPFDFM5P676JOG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EMMR5K2YVBC7UPFDFM5P676JOG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:EMMR5K2YVBC7UPFDFM5P676JOG","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":"ae125f240ed004c152c8bb324a4f4b2146757c5e7a024b4fa7fb6cfc707058a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-12-04T05:36:31Z","title_canon_sha256":"4a81d1b1f56d2275db4ab6dbcebd1b0b9d3e3fd3e8f7ae51fdcea45fff3d9261"},"schema_version":"1.0","source":{"id":"1812.01227","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.01227","created_at":"2026-05-17T23:50:09Z"},{"alias_kind":"arxiv_version","alias_value":"1812.01227v2","created_at":"2026-05-17T23:50:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.01227","created_at":"2026-05-17T23:50:09Z"},{"alias_kind":"pith_short_12","alias_value":"EMMR5K2YVBC7","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EMMR5K2YVBC7UPFD","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EMMR5K2Y","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:6252d3c6baa1e64c1a6ec24208ce7fece40faf1484289ca0f021b17e487d7573","target":"graph","created_at":"2026-05-17T23:50:09Z","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 construct seven kinds of three-qubit biseparable states to show that every class of biseparable states in the partial separability classification proposed by Szalay and K\\\"ok\\'enyesi [S. Szalay and Z. K\\\"ok\\'enyesi, Phys. Rev. A 86, 032341 (2012)] is nonempty.","authors_text":"Kyung Hoon Han, Seung-Hyeok Kye","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-12-04T05:36:31Z","title":"Construction of three-qubit biseparable states distinguishing kinds of entanglement in a partial separability classification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.01227","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:c38b37200df8838346d2e7b4ed21c8368a06abe2e3d599da281501f9f2d6683f","target":"record","created_at":"2026-05-17T23:50:09Z","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":"ae125f240ed004c152c8bb324a4f4b2146757c5e7a024b4fa7fb6cfc707058a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-12-04T05:36:31Z","title_canon_sha256":"4a81d1b1f56d2275db4ab6dbcebd1b0b9d3e3fd3e8f7ae51fdcea45fff3d9261"},"schema_version":"1.0","source":{"id":"1812.01227","kind":"arxiv","version":2}},"canonical_sha256":"23191eab58a845fa3ca32b3aff7fc9718611a75f572e7c7f74c639be0953d71d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23191eab58a845fa3ca32b3aff7fc9718611a75f572e7c7f74c639be0953d71d","first_computed_at":"2026-05-17T23:50:09.421389Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:09.421389Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"difZiFJpeIxaTL+pyvPUqEsbzREtdKRAjuGlwZG51N7Ia3PDtffEcE0BDhbRHsiSQDE14lleKtZigFP7wemPAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:09.422007Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.01227","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c38b37200df8838346d2e7b4ed21c8368a06abe2e3d599da281501f9f2d6683f","sha256:6252d3c6baa1e64c1a6ec24208ce7fece40faf1484289ca0f021b17e487d7573"],"state_sha256":"16113c192b62fe2d4b1288a12b50d5d278e2af5deea567b61bca7f50c4d1d29a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"93wucsEwKgYYeATQ43IxK3kDTG8BGCsqs0BlYOjKb053A/d+IvlYG2K3Gh+341eEbxlUwKJELOSI/vI0EdYxAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T10:55:22.521498Z","bundle_sha256":"f44e082349aa3d452afea5fadf8b91b671f6d955a3e92ece7379397a38bad312"}}