{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:7K5JNSCM542RJJZ6OPZQU2UNUW","short_pith_number":"pith:7K5JNSCM","canonical_record":{"source":{"id":"2309.03854","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-09-07T17:12:24Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"3af9ded7c6e74842c74741a56d651bc84c58e3e43244a1d49956b4ba312b33ca","abstract_canon_sha256":"1bd8e6bcdcb5a0360c4392cfdab4f07ed6487c09f1c045630f2bf88eae57dd95"},"schema_version":"1.0"},"canonical_sha256":"faba96c84cef3514a73e73f30a6a8da5b50bdbec6c1013d1a3d20fe9cd870b51","source":{"kind":"arxiv","id":"2309.03854","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.03854","created_at":"2026-07-05T07:17:18Z"},{"alias_kind":"arxiv_version","alias_value":"2309.03854v3","created_at":"2026-07-05T07:17:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.03854","created_at":"2026-07-05T07:17:18Z"},{"alias_kind":"pith_short_12","alias_value":"7K5JNSCM542R","created_at":"2026-07-05T07:17:18Z"},{"alias_kind":"pith_short_16","alias_value":"7K5JNSCM542RJJZ6","created_at":"2026-07-05T07:17:18Z"},{"alias_kind":"pith_short_8","alias_value":"7K5JNSCM","created_at":"2026-07-05T07:17:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:7K5JNSCM542RJJZ6OPZQU2UNUW","target":"record","payload":{"canonical_record":{"source":{"id":"2309.03854","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-09-07T17:12:24Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"3af9ded7c6e74842c74741a56d651bc84c58e3e43244a1d49956b4ba312b33ca","abstract_canon_sha256":"1bd8e6bcdcb5a0360c4392cfdab4f07ed6487c09f1c045630f2bf88eae57dd95"},"schema_version":"1.0"},"canonical_sha256":"faba96c84cef3514a73e73f30a6a8da5b50bdbec6c1013d1a3d20fe9cd870b51","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:17:18.258355Z","signature_b64":"uKVw2cjQMOR35O44/sbQpPF4dRZilVrTZa3sP/VyRzOpRpzHJITD1mvLLZiV6pjqgVa4tqWpXq9IhMsNp03RCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"faba96c84cef3514a73e73f30a6a8da5b50bdbec6c1013d1a3d20fe9cd870b51","last_reissued_at":"2026-07-05T07:17:18.257901Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:17:18.257901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.03854","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:17:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wBNevBMmS365SESr7/jLZJT6yWkMh3VMHrB0g8xbD9SYXfsi0hOAClBW9sZv0qkcgN04w1feBQpBIZBu350aBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T20:36:56.317219Z"},"content_sha256":"4eaed07984125b1af893cd2844d480ca782d64f4245f81e7826a2f108a60010b","schema_version":"1.0","event_id":"sha256:4eaed07984125b1af893cd2844d480ca782d64f4245f81e7826a2f108a60010b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:7K5JNSCM542RJJZ6OPZQU2UNUW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"General gravitational charges on null hypersurfaces","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Antoine Rignon-Bret, Gloria Odak, Simone Speziale","submitted_at":"2023-09-07T17:12:24Z","abstract_excerpt":"We perform a detailed study of the covariance properties of the symplectic potential of general relativity on a null hypersurface, and of the different polarizations that can be used to study conservative as well as leaky boundary conditions. This allows us to identify a one-parameter family of covariant symplectic potentials. We compute the charges and fluxes for the most general phase space with arbitrary variations. We study five symmetry groups that arise when different restrictions on the variations are included. Requiring stationarity as in the original Wald-Zoupas prescription selects a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.03854","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2309.03854/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:17:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D/4FGoCHdOHzsyVmYF+6+g+oBblb+rgctVQR5N+d6T+WblUdly2yYd5O6KrToi/HOgYlYqACVpXGOWZFNvZBBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T20:36:56.317537Z"},"content_sha256":"728c26991b0c264feef9a341d55549314c4f72e25ea970fc346ffd7acdc08191","schema_version":"1.0","event_id":"sha256:728c26991b0c264feef9a341d55549314c4f72e25ea970fc346ffd7acdc08191"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7K5JNSCM542RJJZ6OPZQU2UNUW/bundle.json","state_url":"https://pith.science/pith/7K5JNSCM542RJJZ6OPZQU2UNUW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7K5JNSCM542RJJZ6OPZQU2UNUW/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-14T20:36:56Z","links":{"resolver":"https://pith.science/pith/7K5JNSCM542RJJZ6OPZQU2UNUW","bundle":"https://pith.science/pith/7K5JNSCM542RJJZ6OPZQU2UNUW/bundle.json","state":"https://pith.science/pith/7K5JNSCM542RJJZ6OPZQU2UNUW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7K5JNSCM542RJJZ6OPZQU2UNUW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:7K5JNSCM542RJJZ6OPZQU2UNUW","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":"1bd8e6bcdcb5a0360c4392cfdab4f07ed6487c09f1c045630f2bf88eae57dd95","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-09-07T17:12:24Z","title_canon_sha256":"3af9ded7c6e74842c74741a56d651bc84c58e3e43244a1d49956b4ba312b33ca"},"schema_version":"1.0","source":{"id":"2309.03854","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.03854","created_at":"2026-07-05T07:17:18Z"},{"alias_kind":"arxiv_version","alias_value":"2309.03854v3","created_at":"2026-07-05T07:17:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.03854","created_at":"2026-07-05T07:17:18Z"},{"alias_kind":"pith_short_12","alias_value":"7K5JNSCM542R","created_at":"2026-07-05T07:17:18Z"},{"alias_kind":"pith_short_16","alias_value":"7K5JNSCM542RJJZ6","created_at":"2026-07-05T07:17:18Z"},{"alias_kind":"pith_short_8","alias_value":"7K5JNSCM","created_at":"2026-07-05T07:17:18Z"}],"graph_snapshots":[{"event_id":"sha256:728c26991b0c264feef9a341d55549314c4f72e25ea970fc346ffd7acdc08191","target":"graph","created_at":"2026-07-05T07:17:18Z","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/2309.03854/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We perform a detailed study of the covariance properties of the symplectic potential of general relativity on a null hypersurface, and of the different polarizations that can be used to study conservative as well as leaky boundary conditions. This allows us to identify a one-parameter family of covariant symplectic potentials. We compute the charges and fluxes for the most general phase space with arbitrary variations. We study five symmetry groups that arise when different restrictions on the variations are included. Requiring stationarity as in the original Wald-Zoupas prescription selects a","authors_text":"Antoine Rignon-Bret, Gloria Odak, Simone Speziale","cross_cats":["hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-09-07T17:12:24Z","title":"General gravitational charges on null hypersurfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.03854","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":"sha256:4eaed07984125b1af893cd2844d480ca782d64f4245f81e7826a2f108a60010b","target":"record","created_at":"2026-07-05T07:17:18Z","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":"1bd8e6bcdcb5a0360c4392cfdab4f07ed6487c09f1c045630f2bf88eae57dd95","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-09-07T17:12:24Z","title_canon_sha256":"3af9ded7c6e74842c74741a56d651bc84c58e3e43244a1d49956b4ba312b33ca"},"schema_version":"1.0","source":{"id":"2309.03854","kind":"arxiv","version":3}},"canonical_sha256":"faba96c84cef3514a73e73f30a6a8da5b50bdbec6c1013d1a3d20fe9cd870b51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"faba96c84cef3514a73e73f30a6a8da5b50bdbec6c1013d1a3d20fe9cd870b51","first_computed_at":"2026-07-05T07:17:18.257901Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:17:18.257901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uKVw2cjQMOR35O44/sbQpPF4dRZilVrTZa3sP/VyRzOpRpzHJITD1mvLLZiV6pjqgVa4tqWpXq9IhMsNp03RCg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:17:18.258355Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.03854","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4eaed07984125b1af893cd2844d480ca782d64f4245f81e7826a2f108a60010b","sha256:728c26991b0c264feef9a341d55549314c4f72e25ea970fc346ffd7acdc08191"],"state_sha256":"7dce7613c56392b17ae8e574c2aa0410fe71fe20acba849c00c3866de52b9673"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lOiM/cFszTxg5lrnA/q9lv92Q6kWOWA68Vfhx5vUwkmGB+SxNXHFPw6LQ4TmDPGTn66HsRNWu5l1XGIPyGiwBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T20:36:56.320476Z","bundle_sha256":"97c4618a6fcfb334f2cedf9b5bff100c93bc8b3be64589074c2bcece07e8bbd0"}}