{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:QL6E574F7VLIJ7OSHLWJ2Q6PQN","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":"42afa01ceb7ac93d81ef57a5db6af53ee74c1fab1b5e4f7708b130a8ec70e5cd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"quant-ph","submitted_at":"2015-01-08T10:45:23Z","title_canon_sha256":"24e99bea33e97a4066577337ff847c6c2c30fa9040e104690b6d430c9fd5478d"},"schema_version":"1.0","source":{"id":"1501.01794","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01794","created_at":"2026-05-18T02:29:38Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01794v2","created_at":"2026-05-18T02:29:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01794","created_at":"2026-05-18T02:29:38Z"},{"alias_kind":"pith_short_12","alias_value":"QL6E574F7VLI","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QL6E574F7VLIJ7OS","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QL6E574F","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:5c8f65ae31905f0e6a386bc56eb5d20c5737c451a1f008f77e4d397a473bdc3d","target":"graph","created_at":"2026-05-18T02:29:38Z","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":"Non-classical multi-photon and number states attracts many people because of their wide applications in fundamental quantum mechanics tests, quantum metrology and quantum computation, therefore it is a longstanding aim to generate such states experimentally. Here, we prepare photon triplets by using the spontaneously Raman scattering process in a hot atomic ensemble cascaded by the spontaneous parametric down conversion process in a periodical poled nonlinear waveguide, the strong temporal correlations of these three photons are observed. Our experiment represents the first combination of the ","authors_text":"Bao-Sen Shi, Dong-Sheng Ding, Guang-Can Guo, Shuai Shi, Wei Zhang, Yan Li, Zhi-Yuan Zhou","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"quant-ph","submitted_at":"2015-01-08T10:45:23Z","title":"Experimental generation of tripartite telecom photons via an atomic ensemble and a nonlinear waveguide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01794","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:d10d782b027ed60ba6f3b5a6fa9acd73b021625c9d7c3d669e74daf020959c51","target":"record","created_at":"2026-05-18T02:29:38Z","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":"42afa01ceb7ac93d81ef57a5db6af53ee74c1fab1b5e4f7708b130a8ec70e5cd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"quant-ph","submitted_at":"2015-01-08T10:45:23Z","title_canon_sha256":"24e99bea33e97a4066577337ff847c6c2c30fa9040e104690b6d430c9fd5478d"},"schema_version":"1.0","source":{"id":"1501.01794","kind":"arxiv","version":2}},"canonical_sha256":"82fc4eff85fd5684fdd23aec9d43cf834cf3b8308c83af081ab27e6979220730","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82fc4eff85fd5684fdd23aec9d43cf834cf3b8308c83af081ab27e6979220730","first_computed_at":"2026-05-18T02:29:38.401553Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:38.401553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qhx5tPkTEew9guJu9a3uvpDogy5dW+tZIm8b7iAYBLrUT4Cj5bKiflpsziAwoP9TVRuJanPCaAkmqIBJjRC7BA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:38.401922Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.01794","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d10d782b027ed60ba6f3b5a6fa9acd73b021625c9d7c3d669e74daf020959c51","sha256:5c8f65ae31905f0e6a386bc56eb5d20c5737c451a1f008f77e4d397a473bdc3d"],"state_sha256":"22d1297ed31cab70e728ed6180950db8d659ff022a1278307ba76a15e348244b"}