{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KMBUBUN675N4ZN76JFQKU42425","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":"498f4d330b53f1b30be121de295b54bc64df7f4c2a088583483eda9d27a96302","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-09-13T14:40:54Z","title_canon_sha256":"e7979eab0cb7c99de2418fe4d0ef19b3f9c24295b3bf9b08b34b35ed8f120e6f"},"schema_version":"1.0","source":{"id":"1809.04991","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04991","created_at":"2026-05-17T23:49:27Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04991v2","created_at":"2026-05-17T23:49:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04991","created_at":"2026-05-17T23:49:27Z"},{"alias_kind":"pith_short_12","alias_value":"KMBUBUN675N4","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KMBUBUN675N4ZN76","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KMBUBUN6","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:20f673faa0b3f127ddbc7d675af7ee036b97462e17c5ecdfd292f3b23053ddff","target":"graph","created_at":"2026-05-17T23:49:27Z","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":"Extremely weak new forces could lead to apparent violations of the Equivalence Principle. The MICROSCOPE experiment implies that the relative strength of a new long-range force, compared with gravity, is constrained to $|\\bar\\alpha_g|<3.2\\ 10^{-11},2.3\\ 10^{-13},2.2\\ 10^{-13},6.7\\ 10^{-13}$ and $1.5\\ 10^{-12}$ at $2\\sigma$, for a coupling to $B,\\ L,\\ B-L,\\ B+L$ or $3B+L$; or, for a coupling to isospin, $|\\alpha_g|<8.4\\ 10^{-12}$. This is a gain in sensitivity $\\simeq 3$ for a coupling to $B$, to $\\approx$ 15 in the other cases, including $B-L$ as suggested by grand unification.\n  This requires","authors_text":"Pierre Fayet","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-09-13T14:40:54Z","title":"MICROSCOPE limits on the strength of a new force, with comparisons to gravity and electromagnetism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04991","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:d71c9c3b142334d844247defafd21c0dafdc5053126a6fd0249bd63101b870ce","target":"record","created_at":"2026-05-17T23:49:27Z","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":"498f4d330b53f1b30be121de295b54bc64df7f4c2a088583483eda9d27a96302","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-09-13T14:40:54Z","title_canon_sha256":"e7979eab0cb7c99de2418fe4d0ef19b3f9c24295b3bf9b08b34b35ed8f120e6f"},"schema_version":"1.0","source":{"id":"1809.04991","kind":"arxiv","version":2}},"canonical_sha256":"530340d1beff5bccb7fe4960aa735cd74005ea025587274ff664c6ca36e684bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"530340d1beff5bccb7fe4960aa735cd74005ea025587274ff664c6ca36e684bc","first_computed_at":"2026-05-17T23:49:27.582012Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:27.582012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MdkcyXUHhszEAQqGg92AekEsuG3HQhd8mk0YUe4pJzwyrjN4rttL7swBq64yk1FpnqakOKJV2v28V1l20v7oDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:27.582641Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.04991","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d71c9c3b142334d844247defafd21c0dafdc5053126a6fd0249bd63101b870ce","sha256:20f673faa0b3f127ddbc7d675af7ee036b97462e17c5ecdfd292f3b23053ddff"],"state_sha256":"67900e50fd6f6cf35fb403a7924689e01e57e4ddfc44f766aa493d7123b36296"}