{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:344T2D4BE3654PTWZSYBKNGTPE","short_pith_number":"pith:344T2D4B","schema_version":"1.0","canonical_sha256":"df393d0f8126fdde3e76ccb01534d37917e3df20d01272d7b43875aaf1a39189","source":{"kind":"arxiv","id":"0903.2212","version":2},"attestation_state":"computed","paper":{"title":"Experimental realization of Dicke states of up to six qubits for multiparty quantum networking","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Zeilinger, G. Cronenberg, M. Paternostro, M. S. Kim, M. S. Tame, P. Walther, R. Prevedel","submitted_at":"2009-03-12T16:31:21Z","abstract_excerpt":"We report the first experimental generation and characterization of a six-photon Dicke state. The produced state shows a fidelity of F=0.56+/-0.02 with respect to an ideal Dicke state and violates a witness detecting genuine six-qubit entanglement by four standard deviations. We confirm characteristic Dicke properties of our resource and demonstrate its versatility by projecting out four- and five-photon Dicke states, as well as four-photon GHZ and W states. We also show that Dicke states have interesting applications in multiparty quantum networking protocols such as open-destination teleport"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0903.2212","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-03-12T16:31:21Z","cross_cats_sorted":[],"title_canon_sha256":"86ac92691db5a0a08345730ee7e2dbcf37b9230c9cfa025118833a5093fa1bfa","abstract_canon_sha256":"8fb451d5fc7065c0fcc9ee9c0b9f508d7fcd568d125deba4b3b0839a1f58d965"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:03:57.199114Z","signature_b64":"1zhPrMSsdj7CUF8O1E7WqKarcSjtRcs3dy+th3SvDDsDW2/n+OXuEtZ8uid1Y/OrY+FGO/+LQwbjtyYnEoF7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df393d0f8126fdde3e76ccb01534d37917e3df20d01272d7b43875aaf1a39189","last_reissued_at":"2026-05-18T03:03:57.198535Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:03:57.198535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental realization of Dicke states of up to six qubits for multiparty quantum networking","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Zeilinger, G. Cronenberg, M. Paternostro, M. S. Kim, M. S. Tame, P. Walther, R. Prevedel","submitted_at":"2009-03-12T16:31:21Z","abstract_excerpt":"We report the first experimental generation and characterization of a six-photon Dicke state. The produced state shows a fidelity of F=0.56+/-0.02 with respect to an ideal Dicke state and violates a witness detecting genuine six-qubit entanglement by four standard deviations. We confirm characteristic Dicke properties of our resource and demonstrate its versatility by projecting out four- and five-photon Dicke states, as well as four-photon GHZ and W states. We also show that Dicke states have interesting applications in multiparty quantum networking protocols such as open-destination teleport"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.2212","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0903.2212","created_at":"2026-05-18T03:03:57.198638+00:00"},{"alias_kind":"arxiv_version","alias_value":"0903.2212v2","created_at":"2026-05-18T03:03:57.198638+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.2212","created_at":"2026-05-18T03:03:57.198638+00:00"},{"alias_kind":"pith_short_12","alias_value":"344T2D4BE365","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"344T2D4BE3654PTW","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"344T2D4B","created_at":"2026-05-18T12:25:58.018023+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/344T2D4BE3654PTWZSYBKNGTPE","json":"https://pith.science/pith/344T2D4BE3654PTWZSYBKNGTPE.json","graph_json":"https://pith.science/api/pith-number/344T2D4BE3654PTWZSYBKNGTPE/graph.json","events_json":"https://pith.science/api/pith-number/344T2D4BE3654PTWZSYBKNGTPE/events.json","paper":"https://pith.science/paper/344T2D4B"},"agent_actions":{"view_html":"https://pith.science/pith/344T2D4BE3654PTWZSYBKNGTPE","download_json":"https://pith.science/pith/344T2D4BE3654PTWZSYBKNGTPE.json","view_paper":"https://pith.science/paper/344T2D4B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0903.2212&json=true","fetch_graph":"https://pith.science/api/pith-number/344T2D4BE3654PTWZSYBKNGTPE/graph.json","fetch_events":"https://pith.science/api/pith-number/344T2D4BE3654PTWZSYBKNGTPE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/344T2D4BE3654PTWZSYBKNGTPE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/344T2D4BE3654PTWZSYBKNGTPE/action/storage_attestation","attest_author":"https://pith.science/pith/344T2D4BE3654PTWZSYBKNGTPE/action/author_attestation","sign_citation":"https://pith.science/pith/344T2D4BE3654PTWZSYBKNGTPE/action/citation_signature","submit_replication":"https://pith.science/pith/344T2D4BE3654PTWZSYBKNGTPE/action/replication_record"}},"created_at":"2026-05-18T03:03:57.198638+00:00","updated_at":"2026-05-18T03:03:57.198638+00:00"}