{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:HGBNKJIDRBIHNUA7MKOQKKQLP7","short_pith_number":"pith:HGBNKJID","canonical_record":{"source":{"id":"2110.15834","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-10-29T14:54:40Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"113de9864e0c4240153eb14d880d5a1f974b0366db70da123f9c0ee36a2f8261","abstract_canon_sha256":"20882655ed53a3183a12f58f38678f73f963dca46a0348e87a2f06580f0a4d12"},"schema_version":"1.0"},"canonical_sha256":"3982d52503885076d01f629d052a0b7fcb3909386e615d5fe49a3e793998ddad","source":{"kind":"arxiv","id":"2110.15834","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.15834","created_at":"2026-07-05T03:45:52Z"},{"alias_kind":"arxiv_version","alias_value":"2110.15834v2","created_at":"2026-07-05T03:45:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.15834","created_at":"2026-07-05T03:45:52Z"},{"alias_kind":"pith_short_12","alias_value":"HGBNKJIDRBIH","created_at":"2026-07-05T03:45:52Z"},{"alias_kind":"pith_short_16","alias_value":"HGBNKJIDRBIHNUA7","created_at":"2026-07-05T03:45:52Z"},{"alias_kind":"pith_short_8","alias_value":"HGBNKJID","created_at":"2026-07-05T03:45:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:HGBNKJIDRBIHNUA7MKOQKKQLP7","target":"record","payload":{"canonical_record":{"source":{"id":"2110.15834","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-10-29T14:54:40Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"113de9864e0c4240153eb14d880d5a1f974b0366db70da123f9c0ee36a2f8261","abstract_canon_sha256":"20882655ed53a3183a12f58f38678f73f963dca46a0348e87a2f06580f0a4d12"},"schema_version":"1.0"},"canonical_sha256":"3982d52503885076d01f629d052a0b7fcb3909386e615d5fe49a3e793998ddad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:45:52.647245Z","signature_b64":"P6Qvn133z9deN5rWxs/HzoO2TW+vq24iQM9XttijgtSSlQBva2zhC7bn4n2MyjNePbOkZLP4g7E7DitSgfpVDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3982d52503885076d01f629d052a0b7fcb3909386e615d5fe49a3e793998ddad","last_reissued_at":"2026-07-05T03:45:52.646891Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:45:52.646891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.15834","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:45:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CMlYwkIdw8mDp8eCZuwq7NZkJa5c+LLJC4xnklkhDN+7+qLkYi1rFoBFknjYLnH2D9RGbgLKyYMTp10lISc1Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T13:42:13.960115Z"},"content_sha256":"6f4376b8dc833df14c2a8fac69acadb8c6f141cbd44042d6b812e4fd9c499a32","schema_version":"1.0","event_id":"sha256:6f4376b8dc833df14c2a8fac69acadb8c6f141cbd44042d6b812e4fd9c499a32"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:HGBNKJIDRBIHNUA7MKOQKKQLP7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Asymptotic symmetries in Carrollian theories of gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Alfredo P\\'erez","submitted_at":"2021-10-29T14:54:40Z","abstract_excerpt":"Asymptotic symmetries in Carrollian gravitational theories in 3+1 space and time dimensions obtained from \"magnetic\" and \"electric\" ultrarelativistic contractions of General Relativity are analyzed. In both cases, parity conditions are needed to guarantee a finite symplectic term, in analogy with Einstein gravity. For the magnetic contraction, when Regge-Teitelboim parity conditions are imposed, the asymptotic symmetries are described by the Carroll group. With Henneaux-Troessaert parity conditions, the asymptotic symmetry algebra corresponds to a BMS-like extension of the Carroll algebra. For"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.15834","kind":"arxiv","version":2},"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/2110.15834/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":"2026-07-05T03:45:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Lq/GqrN+chIcQlxkkTukL1osxishcltmIo6oF+ZZIQevggcMHQoAD5Sgbv87bmRupnaKezICfzSbv8beRMjCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T13:42:13.960627Z"},"content_sha256":"5244fcc5304b404bd6152c28eda8efd9e7355d4140f0bd5d4bf27f79c1a2485e","schema_version":"1.0","event_id":"sha256:5244fcc5304b404bd6152c28eda8efd9e7355d4140f0bd5d4bf27f79c1a2485e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HGBNKJIDRBIHNUA7MKOQKKQLP7/bundle.json","state_url":"https://pith.science/pith/HGBNKJIDRBIHNUA7MKOQKKQLP7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HGBNKJIDRBIHNUA7MKOQKKQLP7/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":"2026-08-23T13:42:13Z","links":{"resolver":"https://pith.science/pith/HGBNKJIDRBIHNUA7MKOQKKQLP7","bundle":"https://pith.science/pith/HGBNKJIDRBIHNUA7MKOQKKQLP7/bundle.json","state":"https://pith.science/pith/HGBNKJIDRBIHNUA7MKOQKKQLP7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HGBNKJIDRBIHNUA7MKOQKKQLP7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:HGBNKJIDRBIHNUA7MKOQKKQLP7","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":"20882655ed53a3183a12f58f38678f73f963dca46a0348e87a2f06580f0a4d12","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-10-29T14:54:40Z","title_canon_sha256":"113de9864e0c4240153eb14d880d5a1f974b0366db70da123f9c0ee36a2f8261"},"schema_version":"1.0","source":{"id":"2110.15834","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.15834","created_at":"2026-07-05T03:45:52Z"},{"alias_kind":"arxiv_version","alias_value":"2110.15834v2","created_at":"2026-07-05T03:45:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.15834","created_at":"2026-07-05T03:45:52Z"},{"alias_kind":"pith_short_12","alias_value":"HGBNKJIDRBIH","created_at":"2026-07-05T03:45:52Z"},{"alias_kind":"pith_short_16","alias_value":"HGBNKJIDRBIHNUA7","created_at":"2026-07-05T03:45:52Z"},{"alias_kind":"pith_short_8","alias_value":"HGBNKJID","created_at":"2026-07-05T03:45:52Z"}],"graph_snapshots":[{"event_id":"sha256:5244fcc5304b404bd6152c28eda8efd9e7355d4140f0bd5d4bf27f79c1a2485e","target":"graph","created_at":"2026-07-05T03:45:52Z","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/2110.15834/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Asymptotic symmetries in Carrollian gravitational theories in 3+1 space and time dimensions obtained from \"magnetic\" and \"electric\" ultrarelativistic contractions of General Relativity are analyzed. In both cases, parity conditions are needed to guarantee a finite symplectic term, in analogy with Einstein gravity. For the magnetic contraction, when Regge-Teitelboim parity conditions are imposed, the asymptotic symmetries are described by the Carroll group. With Henneaux-Troessaert parity conditions, the asymptotic symmetry algebra corresponds to a BMS-like extension of the Carroll algebra. For","authors_text":"Alfredo P\\'erez","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-10-29T14:54:40Z","title":"Asymptotic symmetries in Carrollian theories of gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.15834","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":"sha256:6f4376b8dc833df14c2a8fac69acadb8c6f141cbd44042d6b812e4fd9c499a32","target":"record","created_at":"2026-07-05T03:45:52Z","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":"20882655ed53a3183a12f58f38678f73f963dca46a0348e87a2f06580f0a4d12","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2021-10-29T14:54:40Z","title_canon_sha256":"113de9864e0c4240153eb14d880d5a1f974b0366db70da123f9c0ee36a2f8261"},"schema_version":"1.0","source":{"id":"2110.15834","kind":"arxiv","version":2}},"canonical_sha256":"3982d52503885076d01f629d052a0b7fcb3909386e615d5fe49a3e793998ddad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3982d52503885076d01f629d052a0b7fcb3909386e615d5fe49a3e793998ddad","first_computed_at":"2026-07-05T03:45:52.646891Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:45:52.646891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P6Qvn133z9deN5rWxs/HzoO2TW+vq24iQM9XttijgtSSlQBva2zhC7bn4n2MyjNePbOkZLP4g7E7DitSgfpVDA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:45:52.647245Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.15834","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f4376b8dc833df14c2a8fac69acadb8c6f141cbd44042d6b812e4fd9c499a32","sha256:5244fcc5304b404bd6152c28eda8efd9e7355d4140f0bd5d4bf27f79c1a2485e"],"state_sha256":"f1603a096219d28b497cab77f910db633fe65f90fc3349f336bf78a32349f282"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pd4Saz3odb3wmYFm5zz+J2OP1TXVwFGNpkNqhG7Ek4SKqgdmdxZbHbYQBZQWXsFEq56xuqcBt0y2lPe4fUm4Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T13:42:13.964364Z","bundle_sha256":"8939fd4d76534d2fce205ce3a129d852c152c922b1de84b1227b51e0f0af422d"}}