{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:66LOQQK3UNKNJEYUYWYZLXMVKQ","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":"54bfacdeb379757a10801d2faa177f2fe5ef5220d67cdabc8131902468b0d833","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-05-09T13:25:53Z","title_canon_sha256":"cc95e144f38f92333860b027ac271d0937adb583f620997868ead8938ae8b5a6"},"schema_version":"1.0","source":{"id":"2305.05436","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.05436","created_at":"2026-07-05T07:47:02Z"},{"alias_kind":"arxiv_version","alias_value":"2305.05436v2","created_at":"2026-07-05T07:47:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.05436","created_at":"2026-07-05T07:47:02Z"},{"alias_kind":"pith_short_12","alias_value":"66LOQQK3UNKN","created_at":"2026-07-05T07:47:02Z"},{"alias_kind":"pith_short_16","alias_value":"66LOQQK3UNKNJEYU","created_at":"2026-07-05T07:47:02Z"},{"alias_kind":"pith_short_8","alias_value":"66LOQQK3","created_at":"2026-07-05T07:47:02Z"}],"graph_snapshots":[{"event_id":"sha256:abf73491fa2f8add61d5ae5d404ef88948a3ad6c01b5c17aee5c075e45415745","target":"graph","created_at":"2026-07-05T07:47:02Z","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/2305.05436/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The asymptotic symmetry algebra of four-dimensional Einstein gravity in the asymptotically flat context has been shown recently to be the direct sum of the Poincar\\'e algebra and of an infinite-dimensional abelian algebra (with central charge) that includes the Bondi-Metzner-Sachs supertranslations. This result, obtained within the Hamiltonian formalism, yields a supertranslation invariant definition of the Lorentz generators (angular momentum and boosts). Definitions of Lorentz generators free from the ``supertranslation ambiguities'' have also been proposed recently at null infinity. We prov","authors_text":"C\\'edric Troessaert, Marc Henneaux, Oscar Fuentealba","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-05-09T13:25:53Z","title":"Asymptotic symmetry algebra of Einstein gravity and Lorentz generators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.05436","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:d1871d83c3fbaa6a6dfe0e5f30b2884acd47fe25e650d151e8467716cd768453","target":"record","created_at":"2026-07-05T07:47:02Z","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":"54bfacdeb379757a10801d2faa177f2fe5ef5220d67cdabc8131902468b0d833","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2023-05-09T13:25:53Z","title_canon_sha256":"cc95e144f38f92333860b027ac271d0937adb583f620997868ead8938ae8b5a6"},"schema_version":"1.0","source":{"id":"2305.05436","kind":"arxiv","version":2}},"canonical_sha256":"f796e8415ba354d49314c5b195dd95543d12ee740ed1e0fd5252e1a944337bd9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f796e8415ba354d49314c5b195dd95543d12ee740ed1e0fd5252e1a944337bd9","first_computed_at":"2026-07-05T07:47:02.089296Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:47:02.089296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PQeIsbmlSuddHb1GrNCyJA3AIVgdQ90yR0yC3oVZ611LmTN1Uj1gDA9kmP0pfrxG+YIvafrNPeJjXtwC2HGOBg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:47:02.089869Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.05436","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d1871d83c3fbaa6a6dfe0e5f30b2884acd47fe25e650d151e8467716cd768453","sha256:abf73491fa2f8add61d5ae5d404ef88948a3ad6c01b5c17aee5c075e45415745"],"state_sha256":"7deb3b6a889e22fb6ef0a446048907cce418b8cfad6b179a05075bfe297e6dfd"}