{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:2COAISWFXUJYKZFD5PS4GDR2JL","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":"5ed2eb39e0fc56bc011691eb6eb7858325f40b0c2c71dc4e51fae54913468582","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-17T18:05:57Z","title_canon_sha256":"3141baa2603521db8023f3cdb684fb271444f6c0c9d1337a9fcb0825f16c76a8"},"schema_version":"1.0","source":{"id":"1605.06005","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06005","created_at":"2026-05-18T01:06:20Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06005v3","created_at":"2026-05-18T01:06:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06005","created_at":"2026-05-18T01:06:20Z"},{"alias_kind":"pith_short_12","alias_value":"2COAISWFXUJY","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"2COAISWFXUJYKZFD","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"2COAISWF","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:4f502762766ac74ebf2d23bfd685d0971f5465af7e3514ecd9c8dd2898fa6dec","target":"graph","created_at":"2026-05-18T01:06:20Z","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":"In a recent work, authors prove a yet another no-go theorem that forbids the existence of a universal probabilistic quantum protocol producing a superposition of two unknown quantum states. In this short note, we show that in the presence of closed time like curves, one can indeed create superposition of unknown quantum states and evade the no-go result.","authors_text":"Indranil Chakrabarty, Sasha Sami","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-17T18:05:57Z","title":"A note on superposition of two unknown states using Deutsch CTC model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06005","kind":"arxiv","version":3},"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":"sha256:6b3b44645205af41afcf7f44f2b466f72184fab2a139b4e15fcdd4b88c206148","target":"record","created_at":"2026-05-18T01:06:20Z","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":"5ed2eb39e0fc56bc011691eb6eb7858325f40b0c2c71dc4e51fae54913468582","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-17T18:05:57Z","title_canon_sha256":"3141baa2603521db8023f3cdb684fb271444f6c0c9d1337a9fcb0825f16c76a8"},"schema_version":"1.0","source":{"id":"1605.06005","kind":"arxiv","version":3}},"canonical_sha256":"d09c044ac5bd138564a3ebe5c30e3a4acbee282c4f4e0ed5b41d91282abea858","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d09c044ac5bd138564a3ebe5c30e3a4acbee282c4f4e0ed5b41d91282abea858","first_computed_at":"2026-05-18T01:06:20.643216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:20.643216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BAZKhQvSG4TOtUA19dMowAnO/Sh/l5DzAotPaj/coPe29oLKxjJndWZ5Wq7f8D2OL2i3cW/dpwCBk0z+7BOdBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:20.643862Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.06005","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b3b44645205af41afcf7f44f2b466f72184fab2a139b4e15fcdd4b88c206148","sha256:4f502762766ac74ebf2d23bfd685d0971f5465af7e3514ecd9c8dd2898fa6dec"],"state_sha256":"718827c8d3159a9f0df1f3c8354f8142dc5503bb4f8cb8a80d34fcff31f99838"}