{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:HLWI6D4SXKJUT63UYLFHNLDX5U","short_pith_number":"pith:HLWI6D4S","canonical_record":{"source":{"id":"1307.4826","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-07-18T04:01:54Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"80c182814ad5416469d5627ca48f9dee3aaba357b08352999bad540ed3763288","abstract_canon_sha256":"b7b6192cfef6e5ee6b03721c8d012f195c8225fcb489ac66ac097b87e36060db"},"schema_version":"1.0"},"canonical_sha256":"3aec8f0f92ba9349fb74c2ca76ac77ed1a158f5d27e8720f85c0464d5378d186","source":{"kind":"arxiv","id":"1307.4826","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.4826","created_at":"2026-05-18T00:37:37Z"},{"alias_kind":"arxiv_version","alias_value":"1307.4826v1","created_at":"2026-05-18T00:37:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.4826","created_at":"2026-05-18T00:37:37Z"},{"alias_kind":"pith_short_12","alias_value":"HLWI6D4SXKJU","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HLWI6D4SXKJUT63U","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HLWI6D4S","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:HLWI6D4SXKJUT63UYLFHNLDX5U","target":"record","payload":{"canonical_record":{"source":{"id":"1307.4826","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-07-18T04:01:54Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"80c182814ad5416469d5627ca48f9dee3aaba357b08352999bad540ed3763288","abstract_canon_sha256":"b7b6192cfef6e5ee6b03721c8d012f195c8225fcb489ac66ac097b87e36060db"},"schema_version":"1.0"},"canonical_sha256":"3aec8f0f92ba9349fb74c2ca76ac77ed1a158f5d27e8720f85c0464d5378d186","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:37.353677Z","signature_b64":"Hzf3bkgRjP72kNDF0oNnRVqDVFaRv3lRxFi/wuCGeR0Lsd0fLNwL67+5mz7ubDL45smtcIR+tD+Xm1tIMEu9AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3aec8f0f92ba9349fb74c2ca76ac77ed1a158f5d27e8720f85c0464d5378d186","last_reissued_at":"2026-05-18T00:37:37.353135Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:37.353135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.4826","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:37:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0yAe2olj50TvcWvAIfopa74GySXZ3qJzX904/Ge8/TAUVx71zcC7501aVD42TbujsLuxRSgvckTjY3XRx6BRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:00:59.829827Z"},"content_sha256":"3e18307f2802a788a1a05a26fb39ddde9ad6d6dfac9ddf935ea19f425081ea23","schema_version":"1.0","event_id":"sha256:3e18307f2802a788a1a05a26fb39ddde9ad6d6dfac9ddf935ea19f425081ea23"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:HLWI6D4SXKJUT63UYLFHNLDX5U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on violations of Lorentz symmetry from Gravity Probe B","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-ph","authors_text":"James M. Overduin, Quentin G. Bailey, Ryan D. Everett","submitted_at":"2013-07-18T04:01:54Z","abstract_excerpt":"We use the final results from Gravity Probe B to set new upper limits on the gravitational sector of the Standard-Model Extension, including for the first time the coefficient associated with the time-time component of the new field responsible for inducing local Lorentz violation in the theory."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.4826","kind":"arxiv","version":1},"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":"2026-05-18T00:37:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ejh/Lqq/+nzPO70AaoeyeqzHFXZ/p+hvClKDGlfpDisHGMkcifUyqQwKmHr7QqTUxGx2qbIHDX+hi1sWzei1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:00:59.830423Z"},"content_sha256":"48f0dfcbfd13bce60ff068d80d1bc230c697bf6d23c521f52bb966c0bc69fc65","schema_version":"1.0","event_id":"sha256:48f0dfcbfd13bce60ff068d80d1bc230c697bf6d23c521f52bb966c0bc69fc65"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HLWI6D4SXKJUT63UYLFHNLDX5U/bundle.json","state_url":"https://pith.science/pith/HLWI6D4SXKJUT63UYLFHNLDX5U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HLWI6D4SXKJUT63UYLFHNLDX5U/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":"2026-06-30T04:00:59Z","links":{"resolver":"https://pith.science/pith/HLWI6D4SXKJUT63UYLFHNLDX5U","bundle":"https://pith.science/pith/HLWI6D4SXKJUT63UYLFHNLDX5U/bundle.json","state":"https://pith.science/pith/HLWI6D4SXKJUT63UYLFHNLDX5U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HLWI6D4SXKJUT63UYLFHNLDX5U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:HLWI6D4SXKJUT63UYLFHNLDX5U","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":"b7b6192cfef6e5ee6b03721c8d012f195c8225fcb489ac66ac097b87e36060db","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-07-18T04:01:54Z","title_canon_sha256":"80c182814ad5416469d5627ca48f9dee3aaba357b08352999bad540ed3763288"},"schema_version":"1.0","source":{"id":"1307.4826","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.4826","created_at":"2026-05-18T00:37:37Z"},{"alias_kind":"arxiv_version","alias_value":"1307.4826v1","created_at":"2026-05-18T00:37:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.4826","created_at":"2026-05-18T00:37:37Z"},{"alias_kind":"pith_short_12","alias_value":"HLWI6D4SXKJU","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HLWI6D4SXKJUT63U","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HLWI6D4S","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:48f0dfcbfd13bce60ff068d80d1bc230c697bf6d23c521f52bb966c0bc69fc65","target":"graph","created_at":"2026-05-18T00:37:37Z","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":"We use the final results from Gravity Probe B to set new upper limits on the gravitational sector of the Standard-Model Extension, including for the first time the coefficient associated with the time-time component of the new field responsible for inducing local Lorentz violation in the theory.","authors_text":"James M. Overduin, Quentin G. Bailey, Ryan D. Everett","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-07-18T04:01:54Z","title":"Constraints on violations of Lorentz symmetry from Gravity Probe B"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.4826","kind":"arxiv","version":1},"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":"sha256:3e18307f2802a788a1a05a26fb39ddde9ad6d6dfac9ddf935ea19f425081ea23","target":"record","created_at":"2026-05-18T00:37:37Z","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":"b7b6192cfef6e5ee6b03721c8d012f195c8225fcb489ac66ac097b87e36060db","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-07-18T04:01:54Z","title_canon_sha256":"80c182814ad5416469d5627ca48f9dee3aaba357b08352999bad540ed3763288"},"schema_version":"1.0","source":{"id":"1307.4826","kind":"arxiv","version":1}},"canonical_sha256":"3aec8f0f92ba9349fb74c2ca76ac77ed1a158f5d27e8720f85c0464d5378d186","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3aec8f0f92ba9349fb74c2ca76ac77ed1a158f5d27e8720f85c0464d5378d186","first_computed_at":"2026-05-18T00:37:37.353135Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:37.353135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hzf3bkgRjP72kNDF0oNnRVqDVFaRv3lRxFi/wuCGeR0Lsd0fLNwL67+5mz7ubDL45smtcIR+tD+Xm1tIMEu9AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:37.353677Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.4826","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e18307f2802a788a1a05a26fb39ddde9ad6d6dfac9ddf935ea19f425081ea23","sha256:48f0dfcbfd13bce60ff068d80d1bc230c697bf6d23c521f52bb966c0bc69fc65"],"state_sha256":"5d312aec706a2fdc49cee5bce8cbc18ee1f7a06d2073b574f7d166e1991f2ff8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hHJvqML3pwCOP4XvvCpJJnmtyGyKJxsFXnUkABYMOuX1O7Lt5/r+IKG/grOGwMSEvfiSvRRliIK7K2pyq35NAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T04:00:59.833811Z","bundle_sha256":"c0286b345eadc02301c93bb76a6c49fc3418a424e689ae49922f8e4fea33f88b"}}