{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:WXR3MSL2AUCIXSIGMOUI3PZXKA","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":"ec9b40d8b5e1e2520562b5c4135b1be8631cc6e7093bb1423361000f941c5401","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-06T20:33:01Z","title_canon_sha256":"adaeee12991fdebf4dc5aaa0bbe470b5f260addd396f3388160f2a48bd008fee"},"schema_version":"1.0","source":{"id":"1908.02352","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.02352","created_at":"2026-07-04T23:52:07Z"},{"alias_kind":"arxiv_version","alias_value":"1908.02352v1","created_at":"2026-07-04T23:52:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.02352","created_at":"2026-07-04T23:52:07Z"},{"alias_kind":"pith_short_12","alias_value":"WXR3MSL2AUCI","created_at":"2026-07-04T23:52:07Z"},{"alias_kind":"pith_short_16","alias_value":"WXR3MSL2AUCIXSIG","created_at":"2026-07-04T23:52:07Z"},{"alias_kind":"pith_short_8","alias_value":"WXR3MSL2","created_at":"2026-07-04T23:52:07Z"}],"graph_snapshots":[{"event_id":"sha256:0d369659c8750a14d02c69b3abd81cf1b9e7f9e5adaa57b2e73d343ce065862e","target":"graph","created_at":"2026-07-04T23:52:07Z","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/1908.02352/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"I discuss three proposed experiments that could in principle locate the boundary between the classical and quantum worlds, as well as distinguish the Hamiltonian theory presented in the first paper of this series from the spontaneous-collapse theories.","authors_text":"W.David Wick","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-06T20:33:01Z","title":"On Non-Linear Quantum Mechanics and the Measurement Problem IV. Experimental Tests"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.02352","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:f4b46018a8b8401a92163b78f3833ac804e8cf9f24e4673884fda54d197adb83","target":"record","created_at":"2026-07-04T23:52:07Z","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":"ec9b40d8b5e1e2520562b5c4135b1be8631cc6e7093bb1423361000f941c5401","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-06T20:33:01Z","title_canon_sha256":"adaeee12991fdebf4dc5aaa0bbe470b5f260addd396f3388160f2a48bd008fee"},"schema_version":"1.0","source":{"id":"1908.02352","kind":"arxiv","version":1}},"canonical_sha256":"b5e3b6497a05048bc90663a88dbf37500eb53863317afc458b532a9568fc9b96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5e3b6497a05048bc90663a88dbf37500eb53863317afc458b532a9568fc9b96","first_computed_at":"2026-07-04T23:52:07.804546Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:52:07.804546Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z0iK/gaq92Dd7iAOnhTWzhmxhOZk/wJRVd+8LiFEDb8BV5xdklRpGhgClQxuLzhspueEOiYzQgCk90XEChnvBg==","signature_status":"signed_v1","signed_at":"2026-07-04T23:52:07.805024Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.02352","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4b46018a8b8401a92163b78f3833ac804e8cf9f24e4673884fda54d197adb83","sha256:0d369659c8750a14d02c69b3abd81cf1b9e7f9e5adaa57b2e73d343ce065862e"],"state_sha256":"b94e99fa3c9a56ac4aefe86ffd3e0977d2d48dda42bdd9e72fa9c632b59b4b22"}