{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CTTZAANVNAQH2ZXOL5LFH26NLN","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":"aa9291d2225ac6fe172ba650a38e11d7e9a10ec955c269d002dd10927c7b3bd5","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-21T22:29:23Z","title_canon_sha256":"380cc431a9cf4addd724853d3a129f42cf4c0c846d894f55cb86f89ad352ecfa"},"schema_version":"1.0","source":{"id":"1901.07104","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.07104","created_at":"2026-07-05T00:24:36Z"},{"alias_kind":"arxiv_version","alias_value":"1901.07104v2","created_at":"2026-07-05T00:24:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07104","created_at":"2026-07-05T00:24:36Z"},{"alias_kind":"pith_short_12","alias_value":"CTTZAANVNAQH","created_at":"2026-07-05T00:24:36Z"},{"alias_kind":"pith_short_16","alias_value":"CTTZAANVNAQH2ZXO","created_at":"2026-07-05T00:24:36Z"},{"alias_kind":"pith_short_8","alias_value":"CTTZAANV","created_at":"2026-07-05T00:24:36Z"}],"graph_snapshots":[{"event_id":"sha256:b1edbbb90e7a3f2f086549beab8bfe54ae2adba72396d7f3646c0e8c5d911dfd","target":"graph","created_at":"2026-07-05T00:24:36Z","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/1901.07104/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We make a critical review of the semiclassical interpretation of quantum cosmology and emphasise that it is not necessary to consider that a concept of time emerges only when the gravitational field is (semi)classical. We show that the usual results of the semiclassical interpretation, and its generalisation known as the Born-Oppenheimer approach to quantum cosmology, can be obtained by gauge fixing, both at the classical and quantum levels. By `gauge fixing' we mean a particular choice of the time coordinate, which determines the arbitrary Lagrange multiplier that appears in Hamilton's equati","authors_text":"Leonardo Chataignier","cross_cats":["hep-th","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-21T22:29:23Z","title":"Gauge Fixing and the Semiclassical Interpretation of Quantum Cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07104","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":"sha256:0634685f37a2038d9b681ac51bab39307b4b162b4c6d05dc976d582b8ca82406","target":"record","created_at":"2026-07-05T00:24:36Z","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":"aa9291d2225ac6fe172ba650a38e11d7e9a10ec955c269d002dd10927c7b3bd5","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-21T22:29:23Z","title_canon_sha256":"380cc431a9cf4addd724853d3a129f42cf4c0c846d894f55cb86f89ad352ecfa"},"schema_version":"1.0","source":{"id":"1901.07104","kind":"arxiv","version":2}},"canonical_sha256":"14e79001b568207d66ee5f5653ebcd5b4b4ef7e892391d3e2ecab0a589c25895","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14e79001b568207d66ee5f5653ebcd5b4b4ef7e892391d3e2ecab0a589c25895","first_computed_at":"2026-07-05T00:24:36.462028Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:24:36.462028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VJPjY4wQhA0ND4cNUWXAGUIuibCnNRUI1tnlkz9P1l66fqdw0XeFoChiDg2uXQTFHtsX5N07lZoadpwHiesfBw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:24:36.462544Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.07104","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0634685f37a2038d9b681ac51bab39307b4b162b4c6d05dc976d582b8ca82406","sha256:b1edbbb90e7a3f2f086549beab8bfe54ae2adba72396d7f3646c0e8c5d911dfd"],"state_sha256":"02aefb346e3631774ec327d414cc4c6ae625f1c9e99fee3b9a039d7bd43750ff"}