{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:HYR3ALNWRHWMI2WWKQRNY7FHO2","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":"897adb2e51328fb666f8778d394d6088808f9ff4bb7419e845297e8572e04363","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-08-30T15:28:42Z","title_canon_sha256":"f519df8322569927a8cd780a95dd0e35f2c5f88f7af3e90acf65d1d9f6060ac4"},"schema_version":"1.0","source":{"id":"0809.0067","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.0067","created_at":"2026-05-18T02:15:35Z"},{"alias_kind":"arxiv_version","alias_value":"0809.0067v2","created_at":"2026-05-18T02:15:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.0067","created_at":"2026-05-18T02:15:35Z"},{"alias_kind":"pith_short_12","alias_value":"HYR3ALNWRHWM","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"HYR3ALNWRHWMI2WW","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"HYR3ALNW","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:f3c38448a7c70783c4d2c8762e2ff245b346586c69ee9bac773952f407f7af93","target":"graph","created_at":"2026-05-18T02:15:35Z","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 this work we describe a protocol by which two of three parties generate two bipartite entangled state among themselves without involving third party, from a non maximal W state or W - type state $|X>=\\alpha|001>_{123}+\\beta|010>_{123}+\\gamma|100>_{123}, \\alpha^{2} + \\beta^{2} + \\gamma^{2} = 1$ shared by three distant partners. Also we have considered the case $\\beta=\\gamma$, to obtain a range for $\\alpha^2$, for which the local output states are separable and non local output states are inseparable. We also find out the dependence of the mixed ness of inseparable states with their amount of","authors_text":"Binayak S. Choudhury, Indranil Chakrabarty, Nirman Ganguly, Sovik Roy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-08-30T15:28:42Z","title":"Entanglement and Mixed ness of Locally Cloned Non - Maximal W - State"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.0067","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:b652bbcc9da4fec6c973d10207b51a396893efb3fb6cdefd6c629696cdbf7851","target":"record","created_at":"2026-05-18T02:15:35Z","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":"897adb2e51328fb666f8778d394d6088808f9ff4bb7419e845297e8572e04363","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-08-30T15:28:42Z","title_canon_sha256":"f519df8322569927a8cd780a95dd0e35f2c5f88f7af3e90acf65d1d9f6060ac4"},"schema_version":"1.0","source":{"id":"0809.0067","kind":"arxiv","version":2}},"canonical_sha256":"3e23b02db689ecc46ad65422dc7ca7769f9c182efdc38b10d3aa1cb8afe22dba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e23b02db689ecc46ad65422dc7ca7769f9c182efdc38b10d3aa1cb8afe22dba","first_computed_at":"2026-05-18T02:15:35.794147Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:35.794147Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rY/6haDg2qE2wi6Wiu8GFmkMQCtVzJsnjm8R6qrNrOJo+WuNsKVyO0WKdMuCxV7TZUagRahrNU9BXMKX9HOwBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:35.794862Z","signed_message":"canonical_sha256_bytes"},"source_id":"0809.0067","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b652bbcc9da4fec6c973d10207b51a396893efb3fb6cdefd6c629696cdbf7851","sha256:f3c38448a7c70783c4d2c8762e2ff245b346586c69ee9bac773952f407f7af93"],"state_sha256":"77ebe06f83ed55445c55bfbb0431335a44378ad22079290419ff082c74af0cd9"}