{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OVPQTUGYAJRJR3UQZUG6PZDUIU","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":"83c6f2876e4d53e6351f058b1d2cf1d9588fe0161d0f08d268f11a9394a4f0ce","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.OH","submitted_at":"2014-12-23T21:30:24Z","title_canon_sha256":"6987e1281650e475c305eef5d1b9e47091b57e89514b04d8ae61b40a96b61e1c"},"schema_version":"1.0","source":{"id":"1501.00027","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.00027","created_at":"2026-05-18T02:30:14Z"},{"alias_kind":"arxiv_version","alias_value":"1501.00027v1","created_at":"2026-05-18T02:30:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00027","created_at":"2026-05-18T02:30:14Z"},{"alias_kind":"pith_short_12","alias_value":"OVPQTUGYAJRJ","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"OVPQTUGYAJRJR3UQ","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"OVPQTUGY","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:5713b4775eed9c5ddb9e6d060ca72ea751a682d2a518ccd5bacf26cfd872ff31","target":"graph","created_at":"2026-05-18T02:30:14Z","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":"The most powerful form of quantum learning system possible would somehow learn the parameters W of a quantum system f(X, W), for f representing the largest, most powerful set of possible input-output relations. This paper addresses the issue of how to enlarge the set represented by f, by using a new formulation of time-symmetric physics to model analog quantum computers based on spin and by exploring possible sources of backwards-time free energy so as to address problems of decoherence and dissipation.","authors_text":"Paul J. Werbos","cross_cats":["quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.OH","submitted_at":"2014-12-23T21:30:24Z","title":"Time-Symmetric Physics: A Radical Approach to the Decoherence Problem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00027","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":"sha256:7264686753db0a46a33c1904667dd8e697e88fa4d9f0db4af31938a4b2924444","target":"record","created_at":"2026-05-18T02:30:14Z","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":"83c6f2876e4d53e6351f058b1d2cf1d9588fe0161d0f08d268f11a9394a4f0ce","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cs.OH","submitted_at":"2014-12-23T21:30:24Z","title_canon_sha256":"6987e1281650e475c305eef5d1b9e47091b57e89514b04d8ae61b40a96b61e1c"},"schema_version":"1.0","source":{"id":"1501.00027","kind":"arxiv","version":1}},"canonical_sha256":"755f09d0d8026298ee90cd0de7e474450cb70052840bcda0f6e93db36db563d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"755f09d0d8026298ee90cd0de7e474450cb70052840bcda0f6e93db36db563d4","first_computed_at":"2026-05-18T02:30:14.984329Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:14.984329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lO23Ywmu6GsHEhpO+e674alpkq++O8oQAt5H20aXb2nJEFk3xCEynh+nA3GemJYxBeIpvIhdC91rDPo1FSlSBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:14.984781Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.00027","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7264686753db0a46a33c1904667dd8e697e88fa4d9f0db4af31938a4b2924444","sha256:5713b4775eed9c5ddb9e6d060ca72ea751a682d2a518ccd5bacf26cfd872ff31"],"state_sha256":"3257922934328e7975321acce57fcbf32d2e7b42c21f7ef0e6d592412816baae"}