{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:GVNGMET2T7XFSXI67YJKJSASLO","short_pith_number":"pith:GVNGMET2","canonical_record":{"source":{"id":"2111.05033","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-11-09T10:18:35Z","cross_cats_sorted":[],"title_canon_sha256":"724798fbfd4fe2c2dd4bb4290aefe465054fb6ad6eeabfe4be0c6e9d5db3eabd","abstract_canon_sha256":"a1f1caf7a64de6296f0e8147d0e8a106473247b62a279b81fa72a2d7a98c5f64"},"schema_version":"1.0"},"canonical_sha256":"355a66127a9fee595d1efe12a4c8125b84e5ce36551fd4182e9a8a2993ba15ef","source":{"kind":"arxiv","id":"2111.05033","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.05033","created_at":"2026-07-05T04:38:23Z"},{"alias_kind":"arxiv_version","alias_value":"2111.05033v2","created_at":"2026-07-05T04:38:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.05033","created_at":"2026-07-05T04:38:23Z"},{"alias_kind":"pith_short_12","alias_value":"GVNGMET2T7XF","created_at":"2026-07-05T04:38:23Z"},{"alias_kind":"pith_short_16","alias_value":"GVNGMET2T7XFSXI6","created_at":"2026-07-05T04:38:23Z"},{"alias_kind":"pith_short_8","alias_value":"GVNGMET2","created_at":"2026-07-05T04:38:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:GVNGMET2T7XFSXI67YJKJSASLO","target":"record","payload":{"canonical_record":{"source":{"id":"2111.05033","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-11-09T10:18:35Z","cross_cats_sorted":[],"title_canon_sha256":"724798fbfd4fe2c2dd4bb4290aefe465054fb6ad6eeabfe4be0c6e9d5db3eabd","abstract_canon_sha256":"a1f1caf7a64de6296f0e8147d0e8a106473247b62a279b81fa72a2d7a98c5f64"},"schema_version":"1.0"},"canonical_sha256":"355a66127a9fee595d1efe12a4c8125b84e5ce36551fd4182e9a8a2993ba15ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:38:23.871121Z","signature_b64":"vpV5UkNManpOume2L0iTmDdGJH776U+0wxTLEeJoJ9dB0YHF64FM4Yn/QKZoEj3uB8kJp9NQdAOMf7O8yPUlBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"355a66127a9fee595d1efe12a4c8125b84e5ce36551fd4182e9a8a2993ba15ef","last_reissued_at":"2026-07-05T04:38:23.870760Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:38:23.870760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.05033","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:38:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OyZZrR4urGgnCyI+JSIxwwzQKQ0RjJ3uJ6M3VAAhqGef4xd5epipm49yRK7CKXD1z71HI0kz770in+UsUQl1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T20:20:32.756597Z"},"content_sha256":"6a98ece4469f574ab5cad0c42bfd5bed1380636163ba7d4c7655429ed6dbd353","schema_version":"1.0","event_id":"sha256:6a98ece4469f574ab5cad0c42bfd5bed1380636163ba7d4c7655429ed6dbd353"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:GVNGMET2T7XFSXI67YJKJSASLO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comment on \"Vindication of entanglement-based witnesses of non-classicality in hybrid systems\"","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Marcel Reginatto, Michael J. W. Hall","submitted_at":"2021-11-09T10:18:35Z","abstract_excerpt":"Models of quantum-classical interactions fall into two classes: those which allow the generation of quantum entanglement via a classical mediator (such as gravity), and those which do not. Marconato and Marletto have recently sought to distinguish between these classes by claiming that known members of the first class (based on the configuration-ensemble formalism introduced by us) fail to model the mediator as a 'classical' system, and are nonlocal. We explicitly show that this claim is incorrect, and expose a large number of errors and misconceptions in their reasoning. We also point to a ve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.05033","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.05033/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:38:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZrbbsVnIpCjg/63JG3C5Khmluo+aVx/xiLqNkMxHoKREP/gMYJAfVb3N9mFIX1v11mJwIPjTG6ZwalJ6g35dAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T20:20:32.757141Z"},"content_sha256":"24cb638d7baa3f6dca7b8e259a1edfb3c97130184bb30ff076ec86d63174ba1a","schema_version":"1.0","event_id":"sha256:24cb638d7baa3f6dca7b8e259a1edfb3c97130184bb30ff076ec86d63174ba1a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GVNGMET2T7XFSXI67YJKJSASLO/bundle.json","state_url":"https://pith.science/pith/GVNGMET2T7XFSXI67YJKJSASLO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GVNGMET2T7XFSXI67YJKJSASLO/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-07T20:20:32Z","links":{"resolver":"https://pith.science/pith/GVNGMET2T7XFSXI67YJKJSASLO","bundle":"https://pith.science/pith/GVNGMET2T7XFSXI67YJKJSASLO/bundle.json","state":"https://pith.science/pith/GVNGMET2T7XFSXI67YJKJSASLO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GVNGMET2T7XFSXI67YJKJSASLO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:GVNGMET2T7XFSXI67YJKJSASLO","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":"a1f1caf7a64de6296f0e8147d0e8a106473247b62a279b81fa72a2d7a98c5f64","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-11-09T10:18:35Z","title_canon_sha256":"724798fbfd4fe2c2dd4bb4290aefe465054fb6ad6eeabfe4be0c6e9d5db3eabd"},"schema_version":"1.0","source":{"id":"2111.05033","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.05033","created_at":"2026-07-05T04:38:23Z"},{"alias_kind":"arxiv_version","alias_value":"2111.05033v2","created_at":"2026-07-05T04:38:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.05033","created_at":"2026-07-05T04:38:23Z"},{"alias_kind":"pith_short_12","alias_value":"GVNGMET2T7XF","created_at":"2026-07-05T04:38:23Z"},{"alias_kind":"pith_short_16","alias_value":"GVNGMET2T7XFSXI6","created_at":"2026-07-05T04:38:23Z"},{"alias_kind":"pith_short_8","alias_value":"GVNGMET2","created_at":"2026-07-05T04:38:23Z"}],"graph_snapshots":[{"event_id":"sha256:24cb638d7baa3f6dca7b8e259a1edfb3c97130184bb30ff076ec86d63174ba1a","target":"graph","created_at":"2026-07-05T04:38:23Z","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/2111.05033/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Models of quantum-classical interactions fall into two classes: those which allow the generation of quantum entanglement via a classical mediator (such as gravity), and those which do not. Marconato and Marletto have recently sought to distinguish between these classes by claiming that known members of the first class (based on the configuration-ensemble formalism introduced by us) fail to model the mediator as a 'classical' system, and are nonlocal. We explicitly show that this claim is incorrect, and expose a large number of errors and misconceptions in their reasoning. We also point to a ve","authors_text":"Marcel Reginatto, Michael J. W. Hall","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-11-09T10:18:35Z","title":"Comment on \"Vindication of entanglement-based witnesses of non-classicality in hybrid systems\""},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.05033","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":"sha256:6a98ece4469f574ab5cad0c42bfd5bed1380636163ba7d4c7655429ed6dbd353","target":"record","created_at":"2026-07-05T04:38:23Z","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":"a1f1caf7a64de6296f0e8147d0e8a106473247b62a279b81fa72a2d7a98c5f64","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-11-09T10:18:35Z","title_canon_sha256":"724798fbfd4fe2c2dd4bb4290aefe465054fb6ad6eeabfe4be0c6e9d5db3eabd"},"schema_version":"1.0","source":{"id":"2111.05033","kind":"arxiv","version":2}},"canonical_sha256":"355a66127a9fee595d1efe12a4c8125b84e5ce36551fd4182e9a8a2993ba15ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"355a66127a9fee595d1efe12a4c8125b84e5ce36551fd4182e9a8a2993ba15ef","first_computed_at":"2026-07-05T04:38:23.870760Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:38:23.870760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vpV5UkNManpOume2L0iTmDdGJH776U+0wxTLEeJoJ9dB0YHF64FM4Yn/QKZoEj3uB8kJp9NQdAOMf7O8yPUlBw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:38:23.871121Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.05033","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a98ece4469f574ab5cad0c42bfd5bed1380636163ba7d4c7655429ed6dbd353","sha256:24cb638d7baa3f6dca7b8e259a1edfb3c97130184bb30ff076ec86d63174ba1a"],"state_sha256":"ce6b8ce3c671ead4b3ebd999c5a68bcff954a2454d503f3e6d04877dafbe6969"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0bq72VhXR0N4S0RNaR4YppkGy+SUyXyd1uns8m+8vdw1HfMgGA6RPabj0Yn+jOTNCM0T1mxiUZaeimE2UNQ7AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T20:20:32.762037Z","bundle_sha256":"f3cdf420e432702384577a127b4ed5daf04a8a262e824b14ae03d1d4c3e47293"}}