{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:3J24TUBO73M4XFPRCQ6XL6IYYQ","short_pith_number":"pith:3J24TUBO","canonical_record":{"source":{"id":"1602.05841","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-18T15:34:04Z","cross_cats_sorted":[],"title_canon_sha256":"480a6ce3e5d984ac0bd1fc7f61b746caf212b750dacdcb5ae9016fd1320ffeb9","abstract_canon_sha256":"4c3de668bcb44c759787b6b6017e0156a35ff8d7a3298cc487ab850878c31a19"},"schema_version":"1.0"},"canonical_sha256":"da75c9d02efed9cb95f1143d75f918c406718ec06f869d061b93c8c079f2b32c","source":{"kind":"arxiv","id":"1602.05841","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.05841","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"arxiv_version","alias_value":"1602.05841v1","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.05841","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"pith_short_12","alias_value":"3J24TUBO73M4","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3J24TUBO73M4XFPR","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3J24TUBO","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:3J24TUBO73M4XFPRCQ6XL6IYYQ","target":"record","payload":{"canonical_record":{"source":{"id":"1602.05841","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-18T15:34:04Z","cross_cats_sorted":[],"title_canon_sha256":"480a6ce3e5d984ac0bd1fc7f61b746caf212b750dacdcb5ae9016fd1320ffeb9","abstract_canon_sha256":"4c3de668bcb44c759787b6b6017e0156a35ff8d7a3298cc487ab850878c31a19"},"schema_version":"1.0"},"canonical_sha256":"da75c9d02efed9cb95f1143d75f918c406718ec06f869d061b93c8c079f2b32c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:45.922304Z","signature_b64":"sgSRHtP79VsKae56haueM7WSwsdcXlumU1ew6BfcjkbxzfefnLU8RAXPf+k4knMCNDJ2fQTKVpr6Hgqqm91EBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da75c9d02efed9cb95f1143d75f918c406718ec06f869d061b93c8c079f2b32c","last_reissued_at":"2026-05-18T01:00:45.921902Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:45.921902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.05841","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":"2026-05-18T01:00:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"izDZoNtYDv6FZ0soOivRA8qkW6r125zAB9Ym5jJ1sPIVqMMBj90cNuEBrQ506ZJdvxZ3w+fQfEmTRtJGhjxQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T04:52:35.040368Z"},"content_sha256":"c14dfb33cb57ae1aaab5137a2ae9f4a935d4c0f661b899dc842640edabaffba1","schema_version":"1.0","event_id":"sha256:c14dfb33cb57ae1aaab5137a2ae9f4a935d4c0f661b899dc842640edabaffba1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:3J24TUBO73M4XFPRCQ6XL6IYYQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local and nonlocal probabilistic cloning of qubit states via partially entangled twin photons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Aldo Delgado, Gabriel Araneda, Nataly Cisternas, Omar Jim\\'enez","submitted_at":"2016-02-18T15:34:04Z","abstract_excerpt":"Recently, the nonlocal optimal probabilistic cloning (NLOPC) of two non-orthogonal qubit states has been proposed [Phys. Rev. A 86, 052332 (2012)] by means of an experimental setup based on a pair of twin photons in a maximally entangled state. Here we study the performance of the NLOPC protocol when implemented via a partially entangled state. We show that the errors introduced by the use of partial entanglement can be undone by applying a quantum state discrimination process. Since quantum state discrimination is a probabilistic process the correction succeeds with a certain probability but "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.05841","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":"2026-05-18T01:00:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dUZwvY4R/5GaiKk7OmODidg/cIdjvTSlWoZApoyyVjurySp8R/pg+WRwHUlj9aToxMJzqcx6UC1tfcqHC7lUAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T04:52:35.040787Z"},"content_sha256":"d8edeac2b3ad139453ba93109bfc22f5419c266ee271ecfc69a4c154a33babca","schema_version":"1.0","event_id":"sha256:d8edeac2b3ad139453ba93109bfc22f5419c266ee271ecfc69a4c154a33babca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3J24TUBO73M4XFPRCQ6XL6IYYQ/bundle.json","state_url":"https://pith.science/pith/3J24TUBO73M4XFPRCQ6XL6IYYQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3J24TUBO73M4XFPRCQ6XL6IYYQ/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":"2026-06-23T04:52:35Z","links":{"resolver":"https://pith.science/pith/3J24TUBO73M4XFPRCQ6XL6IYYQ","bundle":"https://pith.science/pith/3J24TUBO73M4XFPRCQ6XL6IYYQ/bundle.json","state":"https://pith.science/pith/3J24TUBO73M4XFPRCQ6XL6IYYQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3J24TUBO73M4XFPRCQ6XL6IYYQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:3J24TUBO73M4XFPRCQ6XL6IYYQ","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":"4c3de668bcb44c759787b6b6017e0156a35ff8d7a3298cc487ab850878c31a19","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-18T15:34:04Z","title_canon_sha256":"480a6ce3e5d984ac0bd1fc7f61b746caf212b750dacdcb5ae9016fd1320ffeb9"},"schema_version":"1.0","source":{"id":"1602.05841","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.05841","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"arxiv_version","alias_value":"1602.05841v1","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.05841","created_at":"2026-05-18T01:00:45Z"},{"alias_kind":"pith_short_12","alias_value":"3J24TUBO73M4","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3J24TUBO73M4XFPR","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3J24TUBO","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:d8edeac2b3ad139453ba93109bfc22f5419c266ee271ecfc69a4c154a33babca","target":"graph","created_at":"2026-05-18T01:00:45Z","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":"Recently, the nonlocal optimal probabilistic cloning (NLOPC) of two non-orthogonal qubit states has been proposed [Phys. Rev. A 86, 052332 (2012)] by means of an experimental setup based on a pair of twin photons in a maximally entangled state. Here we study the performance of the NLOPC protocol when implemented via a partially entangled state. We show that the errors introduced by the use of partial entanglement can be undone by applying a quantum state discrimination process. Since quantum state discrimination is a probabilistic process the correction succeeds with a certain probability but ","authors_text":"Aldo Delgado, Gabriel Araneda, Nataly Cisternas, Omar Jim\\'enez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-18T15:34:04Z","title":"Local and nonlocal probabilistic cloning of qubit states via partially entangled twin photons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.05841","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:c14dfb33cb57ae1aaab5137a2ae9f4a935d4c0f661b899dc842640edabaffba1","target":"record","created_at":"2026-05-18T01:00:45Z","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":"4c3de668bcb44c759787b6b6017e0156a35ff8d7a3298cc487ab850878c31a19","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-18T15:34:04Z","title_canon_sha256":"480a6ce3e5d984ac0bd1fc7f61b746caf212b750dacdcb5ae9016fd1320ffeb9"},"schema_version":"1.0","source":{"id":"1602.05841","kind":"arxiv","version":1}},"canonical_sha256":"da75c9d02efed9cb95f1143d75f918c406718ec06f869d061b93c8c079f2b32c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da75c9d02efed9cb95f1143d75f918c406718ec06f869d061b93c8c079f2b32c","first_computed_at":"2026-05-18T01:00:45.921902Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:45.921902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sgSRHtP79VsKae56haueM7WSwsdcXlumU1ew6BfcjkbxzfefnLU8RAXPf+k4knMCNDJ2fQTKVpr6Hgqqm91EBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:45.922304Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.05841","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c14dfb33cb57ae1aaab5137a2ae9f4a935d4c0f661b899dc842640edabaffba1","sha256:d8edeac2b3ad139453ba93109bfc22f5419c266ee271ecfc69a4c154a33babca"],"state_sha256":"3be8ad20b8128137215630358acf730ae21248b12fd458ae714faa268584009b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fKWE6+5d+NG2tN67FJNhxS2ue/p74Zgodxs16VqkPyqGhWx22ALSJeZIgGVgZVDhYZD55ARVBNJzKaPurkqQAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T04:52:35.042880Z","bundle_sha256":"ef3dec75b875f741dab04a4cd2c5056898248cd87ee7cd5317de9fc7009bd139"}}