{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NQPJ7I6DZZEXQ7OJP4FBT3MWPP","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":"c1aab563af304d8fa8437c7d746b9db89624ecff1eb4cc461a55078812d60d5b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-24T01:01:44Z","title_canon_sha256":"9f661768309b191ff212ef8cbb5b8cb19391452086b3f3f97d63b2cf4664706a"},"schema_version":"1.0","source":{"id":"1910.10865","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.10865","created_at":"2026-07-05T00:14:36Z"},{"alias_kind":"arxiv_version","alias_value":"1910.10865v1","created_at":"2026-07-05T00:14:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.10865","created_at":"2026-07-05T00:14:36Z"},{"alias_kind":"pith_short_12","alias_value":"NQPJ7I6DZZEX","created_at":"2026-07-05T00:14:36Z"},{"alias_kind":"pith_short_16","alias_value":"NQPJ7I6DZZEXQ7OJ","created_at":"2026-07-05T00:14:36Z"},{"alias_kind":"pith_short_8","alias_value":"NQPJ7I6D","created_at":"2026-07-05T00:14:36Z"}],"graph_snapshots":[{"event_id":"sha256:462ad24892af6f5863b6157a4668a35957927c63db21c9afa5d62f19b6960264","target":"graph","created_at":"2026-07-05T00:14:36Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1910.10865/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Macroscopic realism is a classical worldview that a macroscopic system is always determinately in one of the two or more macroscopically distinguishable states available to it, and so is never in a superposition of these states. The question of whether there is a fundamental limitation on the possibility to observe quantum phenomena at the macroscopic scale remains unclear. Here we implement a strict and simple protocol to test macroscopic realism in a light-matter interfaced system. We create a micro-macro entanglement with two macroscopically distinguishable solid-state components and rule o","authors_text":"Chao Liu, Chuan-Feng Li, Guang-Can Guo, Jun Hu, Pei-Yun Li, Peng-Jun Liang, Tian-Shu Yang, Xiao Liu, Xue Li, Yong-Jian Han, Yu Ma, Zong-Feng Li, Zong-Quan Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-24T01:01:44Z","title":"Strict experimental test of macroscopic realism in a light-matter-interfaced system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.10865","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":"sha256:222d31f7ef186653aea783228ba8d317e0355dc94cd5cd908740580a7a1d3455","target":"record","created_at":"2026-07-05T00:14:36Z","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":"c1aab563af304d8fa8437c7d746b9db89624ecff1eb4cc461a55078812d60d5b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-24T01:01:44Z","title_canon_sha256":"9f661768309b191ff212ef8cbb5b8cb19391452086b3f3f97d63b2cf4664706a"},"schema_version":"1.0","source":{"id":"1910.10865","kind":"arxiv","version":1}},"canonical_sha256":"6c1e9fa3c3ce49787dc97f0a19ed967beb08228efca51805511081a19bdadb15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c1e9fa3c3ce49787dc97f0a19ed967beb08228efca51805511081a19bdadb15","first_computed_at":"2026-07-05T00:14:36.365501Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:14:36.365501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hl2WI0vmXH9sVrHmlE9fw17/YYB7MhFVjoEQkpc6l9l7EkcFlmqOuLbdom3rDaxqrbMxTZgVtY+1/LNCfiWRCA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:14:36.366003Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.10865","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:222d31f7ef186653aea783228ba8d317e0355dc94cd5cd908740580a7a1d3455","sha256:462ad24892af6f5863b6157a4668a35957927c63db21c9afa5d62f19b6960264"],"state_sha256":"96ff26c4edd74515c44f97d5a4e59452039f420e38f23ce7aecb3893f76bb2c3"}