{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RONLB4ESNGXMPPBW7QON753AIO","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":"ac3d217c3d1f989e16e25bb41ea75c75b998f6550bf4d14a512a71a1e2d50ec6","cross_cats_sorted":["gr-qc","hep-ph","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2026-06-30T19:35:23Z","title_canon_sha256":"4f26e42b16e1245f4aefd565636416277decee74c580f19070ebf8ebd1d3624b"},"schema_version":"1.0","source":{"id":"2607.00096","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00096","created_at":"2026-07-02T00:18:34Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00096v1","created_at":"2026-07-02T00:18:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00096","created_at":"2026-07-02T00:18:34Z"},{"alias_kind":"pith_short_12","alias_value":"RONLB4ESNGXM","created_at":"2026-07-02T00:18:34Z"},{"alias_kind":"pith_short_16","alias_value":"RONLB4ESNGXMPPBW","created_at":"2026-07-02T00:18:34Z"},{"alias_kind":"pith_short_8","alias_value":"RONLB4ES","created_at":"2026-07-02T00:18:34Z"}],"graph_snapshots":[{"event_id":"sha256:4492d8306b0c5b90f212c97560555e1eb43e0205b175db4a8602aee45f36f474","target":"graph","created_at":"2026-07-02T00:18:34Z","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/2607.00096/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a counterexample to Ostrogradsky's famous \"no go\" theorem as usually interpreted in quantum field theory (QFT), namely a four-derivative, UV-complete QFT with a consistent perturbative expansion which describes high energy scattering processes. We carefully quantize the theory on an $\\textit{indefinite}$ space of states - a Krein space - using covariant methods which ensure perturbative causality and unitarity (in the form of the optical theorem) to all orders. We generalize the Born rule to Krein spaces and prove that all tree level transition probabilities are positive in spite of","authors_text":"Neil Turok, Sam Bateman","cross_cats":["gr-qc","hep-ph","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2026-06-30T19:35:23Z","title":"Escape from Ostrogradsky via Hidden Ghost Parity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00096","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":"sha256:49b8b1397c4f8a7d5a83861cbd736d282c6652a73a3fe5b3d87e557c6b49beaa","target":"record","created_at":"2026-07-02T00:18:34Z","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":"ac3d217c3d1f989e16e25bb41ea75c75b998f6550bf4d14a512a71a1e2d50ec6","cross_cats_sorted":["gr-qc","hep-ph","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2026-06-30T19:35:23Z","title_canon_sha256":"4f26e42b16e1245f4aefd565636416277decee74c580f19070ebf8ebd1d3624b"},"schema_version":"1.0","source":{"id":"2607.00096","kind":"arxiv","version":1}},"canonical_sha256":"8b9ab0f09269aec7bc36fc1cdff760438ca7cb6c049e4898269278eaf38aa8aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b9ab0f09269aec7bc36fc1cdff760438ca7cb6c049e4898269278eaf38aa8aa","first_computed_at":"2026-07-02T00:18:34.307285Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-02T00:18:34.307285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GgSmFFYy9y8GEfJpAEi+25N7s4y9TxWvLEi0IWvkFUWQOzngNUPpX4SwgHy9QAj55BkZvHju2ib3MO19BeBNCg==","signature_status":"signed_v1","signed_at":"2026-07-02T00:18:34.307776Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.00096","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49b8b1397c4f8a7d5a83861cbd736d282c6652a73a3fe5b3d87e557c6b49beaa","sha256:4492d8306b0c5b90f212c97560555e1eb43e0205b175db4a8602aee45f36f474"],"state_sha256":"f200f633977545344e9c6ec218ff051014562fba91e4a4917af6892fa1925e6f"}