{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:L37BXVKKXIV3DV2FHTS5LYZAFS","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":"ea32d88d4f755373c440dc8301c2c2d7ae93e19ad0bf333626255f4cb7677b44","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-03-22T13:20:29Z","title_canon_sha256":"38091f058a2446d46800e246cebb6270c0b00674a923d674031396727d59c3b2"},"schema_version":"1.0","source":{"id":"1903.10351","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.10351","created_at":"2026-05-17T23:42:20Z"},{"alias_kind":"arxiv_version","alias_value":"1903.10351v1","created_at":"2026-05-17T23:42:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.10351","created_at":"2026-05-17T23:42:20Z"},{"alias_kind":"pith_short_12","alias_value":"L37BXVKKXIV3","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"L37BXVKKXIV3DV2F","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"L37BXVKK","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:a19ede8564314011c46fbc1ca4eb3402a02e397638fda6898e467ece9c9c73c1","target":"graph","created_at":"2026-05-17T23:42:20Z","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 show that in the realm of general relativity a non minimal coupling between the electromagnetic and the gravitational fields may produce an era of accelerated expansion.","authors_text":"A. E. S. Hartmann, M. Novello","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-03-22T13:20:29Z","title":"Is the electromagnetic field responsible for the cosmic acceleration in late times?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.10351","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":"sha256:0b21a4d8c8457240d44f4fb4605a41c4f743591d04ff880c60e539127ff2b79e","target":"record","created_at":"2026-05-17T23:42:20Z","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":"ea32d88d4f755373c440dc8301c2c2d7ae93e19ad0bf333626255f4cb7677b44","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-03-22T13:20:29Z","title_canon_sha256":"38091f058a2446d46800e246cebb6270c0b00674a923d674031396727d59c3b2"},"schema_version":"1.0","source":{"id":"1903.10351","kind":"arxiv","version":1}},"canonical_sha256":"5efe1bd54aba2bb1d7453ce5d5e3202cab954c155d86d827a39c02a9a2e954a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5efe1bd54aba2bb1d7453ce5d5e3202cab954c155d86d827a39c02a9a2e954a5","first_computed_at":"2026-05-17T23:42:20.392802Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:20.392802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nLpUDqw1GZPMcF10+I8cW3f9yFhGO66lGtPvfvGRCqqX2QghT97yvZra0VcYyekvtlXKaWeJAySfwvO4RENyAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:20.393516Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.10351","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b21a4d8c8457240d44f4fb4605a41c4f743591d04ff880c60e539127ff2b79e","sha256:a19ede8564314011c46fbc1ca4eb3402a02e397638fda6898e467ece9c9c73c1"],"state_sha256":"789a93ce833a35cc459cefdf71441e1385b0e61c966a0ba89465091dd60d16a5"}