{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:YWIJKU5Q72ODA7SCAB2VCMN6N7","short_pith_number":"pith:YWIJKU5Q","canonical_record":{"source":{"id":"1610.04682","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-10-15T02:56:24Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"e3e2abe1165cec2a98f23508ee7ff8e2457d76c8280744707d645991853d067a","abstract_canon_sha256":"d05b86237870235e4e1b123a08b02ef3540c76c52784509e90f6227d0775baad"},"schema_version":"1.0"},"canonical_sha256":"c5909553b0fe9c307e4200755131be6fe07c3bb5a87c27a975d5eaf16440370c","source":{"kind":"arxiv","id":"1610.04682","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.04682","created_at":"2026-05-18T00:56:06Z"},{"alias_kind":"arxiv_version","alias_value":"1610.04682v2","created_at":"2026-05-18T00:56:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.04682","created_at":"2026-05-18T00:56:06Z"},{"alias_kind":"pith_short_12","alias_value":"YWIJKU5Q72OD","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YWIJKU5Q72ODA7SC","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YWIJKU5Q","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:YWIJKU5Q72ODA7SCAB2VCMN6N7","target":"record","payload":{"canonical_record":{"source":{"id":"1610.04682","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-10-15T02:56:24Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"e3e2abe1165cec2a98f23508ee7ff8e2457d76c8280744707d645991853d067a","abstract_canon_sha256":"d05b86237870235e4e1b123a08b02ef3540c76c52784509e90f6227d0775baad"},"schema_version":"1.0"},"canonical_sha256":"c5909553b0fe9c307e4200755131be6fe07c3bb5a87c27a975d5eaf16440370c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:06.080135Z","signature_b64":"GY3E6R67CAd6Plt2s/rKGGyJh9lUs1SmB08/ILBrg6ccIrsSMRNP4eG0NU3/CnmCf5+V8faBnp4MLA/kdmBWAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5909553b0fe9c307e4200755131be6fe07c3bb5a87c27a975d5eaf16440370c","last_reissued_at":"2026-05-18T00:56:06.079575Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:06.079575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.04682","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":"2026-05-18T00:56:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UappK2JJj/d3gKghZZ57P9N/0ftrVFOf0acjc8htdyTKd1wSr+wN1Zcb0pv4CRkmDWiouCcl5ni39CvDS4+LDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T01:38:24.021297Z"},"content_sha256":"6e8d418c91fa09e574eed63d381f8e50220924bc2229422f42ec539b33c4b03e","schema_version":"1.0","event_id":"sha256:6e8d418c91fa09e574eed63d381f8e50220924bc2229422f42ec539b33c4b03e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:YWIJKU5Q72ODA7SCAB2VCMN6N7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tests of Lorentz symmetry in the gravitational sector","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"gr-qc","authors_text":"Adrien Bourgoin, Aur\\'elien Hees, Christine Guerlin, Christophe Le Poncin-lafitte, H\\'el\\`ene Pihan-Le Bars, Quentin G. Bailey","submitted_at":"2016-10-15T02:56:24Z","abstract_excerpt":"Lorentz symmetry is one of the pillars of both General Relativity and the Standard Model of particle physics. Motivated by ideas about quantum gravity, unification theories and violations of CPT symmetry, a significant effort has been put the last decades into testing Lorentz symmetry. This review focuses on Lorentz symmetry tests performed in the gravitational sector. We briefly review the basics of the pure gravitational sector of the Standard-Model Extension (SME) framework, a formalism developed in order to systematically parametrize hypothetical violations of the Lorentz invariance. Furth"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.04682","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":""},"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":"2026-05-18T00:56:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JnkSYew3MHcR/Xw+29cNZQCGuzFYdzuwmQbCnDI2aLd4vVDExYjdTxYJEuAqbCpxcXZFPmONuHN82QNEcslhCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T01:38:24.021666Z"},"content_sha256":"1c727188648dd83d7a5deaaf0bbd0d0685a3e3835d2be0f6537d4d712f9d5fca","schema_version":"1.0","event_id":"sha256:1c727188648dd83d7a5deaaf0bbd0d0685a3e3835d2be0f6537d4d712f9d5fca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YWIJKU5Q72ODA7SCAB2VCMN6N7/bundle.json","state_url":"https://pith.science/pith/YWIJKU5Q72ODA7SCAB2VCMN6N7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YWIJKU5Q72ODA7SCAB2VCMN6N7/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":"2026-05-22T01:38:24Z","links":{"resolver":"https://pith.science/pith/YWIJKU5Q72ODA7SCAB2VCMN6N7","bundle":"https://pith.science/pith/YWIJKU5Q72ODA7SCAB2VCMN6N7/bundle.json","state":"https://pith.science/pith/YWIJKU5Q72ODA7SCAB2VCMN6N7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YWIJKU5Q72ODA7SCAB2VCMN6N7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:YWIJKU5Q72ODA7SCAB2VCMN6N7","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":"d05b86237870235e4e1b123a08b02ef3540c76c52784509e90f6227d0775baad","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-10-15T02:56:24Z","title_canon_sha256":"e3e2abe1165cec2a98f23508ee7ff8e2457d76c8280744707d645991853d067a"},"schema_version":"1.0","source":{"id":"1610.04682","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.04682","created_at":"2026-05-18T00:56:06Z"},{"alias_kind":"arxiv_version","alias_value":"1610.04682v2","created_at":"2026-05-18T00:56:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.04682","created_at":"2026-05-18T00:56:06Z"},{"alias_kind":"pith_short_12","alias_value":"YWIJKU5Q72OD","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YWIJKU5Q72ODA7SC","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YWIJKU5Q","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:1c727188648dd83d7a5deaaf0bbd0d0685a3e3835d2be0f6537d4d712f9d5fca","target":"graph","created_at":"2026-05-18T00:56:06Z","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"},"paper":{"abstract_excerpt":"Lorentz symmetry is one of the pillars of both General Relativity and the Standard Model of particle physics. Motivated by ideas about quantum gravity, unification theories and violations of CPT symmetry, a significant effort has been put the last decades into testing Lorentz symmetry. This review focuses on Lorentz symmetry tests performed in the gravitational sector. We briefly review the basics of the pure gravitational sector of the Standard-Model Extension (SME) framework, a formalism developed in order to systematically parametrize hypothetical violations of the Lorentz invariance. Furth","authors_text":"Adrien Bourgoin, Aur\\'elien Hees, Christine Guerlin, Christophe Le Poncin-lafitte, H\\'el\\`ene Pihan-Le Bars, Quentin G. Bailey","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-10-15T02:56:24Z","title":"Tests of Lorentz symmetry in the gravitational sector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.04682","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":"sha256:6e8d418c91fa09e574eed63d381f8e50220924bc2229422f42ec539b33c4b03e","target":"record","created_at":"2026-05-18T00:56:06Z","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":"d05b86237870235e4e1b123a08b02ef3540c76c52784509e90f6227d0775baad","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-10-15T02:56:24Z","title_canon_sha256":"e3e2abe1165cec2a98f23508ee7ff8e2457d76c8280744707d645991853d067a"},"schema_version":"1.0","source":{"id":"1610.04682","kind":"arxiv","version":2}},"canonical_sha256":"c5909553b0fe9c307e4200755131be6fe07c3bb5a87c27a975d5eaf16440370c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5909553b0fe9c307e4200755131be6fe07c3bb5a87c27a975d5eaf16440370c","first_computed_at":"2026-05-18T00:56:06.079575Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:56:06.079575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GY3E6R67CAd6Plt2s/rKGGyJh9lUs1SmB08/ILBrg6ccIrsSMRNP4eG0NU3/CnmCf5+V8faBnp4MLA/kdmBWAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:56:06.080135Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.04682","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e8d418c91fa09e574eed63d381f8e50220924bc2229422f42ec539b33c4b03e","sha256:1c727188648dd83d7a5deaaf0bbd0d0685a3e3835d2be0f6537d4d712f9d5fca"],"state_sha256":"4774d44ed55587da82a65f7c9ff12c2327248e81e2dc3efdb136e0147c56ce8f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S35aouIyyXOOJur1INl5FK8sw6eWERRUawzeFplfknZravsOWqwhYAO+isaN8xl3WVZiskRtWG2bHZCsS2c3Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T01:38:24.024036Z","bundle_sha256":"6891353cee151647bd6c7ab38f3165ead11036ba88fa62f35b3e4be16efc361b"}}