{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:OXAHHDESZBFYV57LFGPQILCDNR","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":"aa4bce48501f7c4518ca53cdc6dcfe344351159bce41a821036e9fe4ef4cff26","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2022-12-15T07:33:32Z","title_canon_sha256":"bd693222f32f3fc3cb46a6f46f1eb81a082b706e28fbf46a91894bc765d2d738"},"schema_version":"1.0","source":{"id":"2212.07645","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.07645","created_at":"2026-07-05T08:01:58Z"},{"alias_kind":"arxiv_version","alias_value":"2212.07645v3","created_at":"2026-07-05T08:01:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.07645","created_at":"2026-07-05T08:01:58Z"},{"alias_kind":"pith_short_12","alias_value":"OXAHHDESZBFY","created_at":"2026-07-05T08:01:58Z"},{"alias_kind":"pith_short_16","alias_value":"OXAHHDESZBFYV57L","created_at":"2026-07-05T08:01:58Z"},{"alias_kind":"pith_short_8","alias_value":"OXAHHDES","created_at":"2026-07-05T08:01:58Z"}],"graph_snapshots":[{"event_id":"sha256:fb563e0d3f2e12913dbbba9312f8895a48527a64bf31679d90c5feda19969230","target":"graph","created_at":"2026-07-05T08:01:58Z","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/2212.07645/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Entanglement islands play an essential role in the recent breakthrough in addressing the black hole information paradox. Inspired by double holography, it is conjectured that the entanglement islands can exist only in massive gravity. There are many pieces of evidence but also debates for this conjecture. This paper recovers the massless entanglement island in wedge holography with negative DGP gravity on the brane. However, the spectrum of negative DGP gravity includes a massive ghost, implying the model is unstable. Our work supports the view that there is no entanglement island in a well-de","authors_text":"Rong-Xin Miao","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2022-12-15T07:33:32Z","title":"Entanglement Island versus Massless Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.07645","kind":"arxiv","version":3},"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:b7c4bbdb6d0713d040b6457da255987a658867cdafba05a734e0b2e05223f4da","target":"record","created_at":"2026-07-05T08:01:58Z","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":"aa4bce48501f7c4518ca53cdc6dcfe344351159bce41a821036e9fe4ef4cff26","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2022-12-15T07:33:32Z","title_canon_sha256":"bd693222f32f3fc3cb46a6f46f1eb81a082b706e28fbf46a91894bc765d2d738"},"schema_version":"1.0","source":{"id":"2212.07645","kind":"arxiv","version":3}},"canonical_sha256":"75c0738c92c84b8af7eb299f042c436c7325e11e180ed49f3053fad0e615d7f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75c0738c92c84b8af7eb299f042c436c7325e11e180ed49f3053fad0e615d7f8","first_computed_at":"2026-07-05T08:01:58.038251Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:01:58.038251Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z4krEOCDXWOrI1dqN0qyddLP3ffxNZEXqnP/wvQaJt8AsttW93CH7ZxN6lkIb5zqwvhh18wdxgQEchO84jMtDA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:01:58.038690Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.07645","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b7c4bbdb6d0713d040b6457da255987a658867cdafba05a734e0b2e05223f4da","sha256:fb563e0d3f2e12913dbbba9312f8895a48527a64bf31679d90c5feda19969230"],"state_sha256":"cea5395f1e8f75c61460df4ee558eb1f0f7ccdcec4c546a12d72fd452928e90e"}