{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:BSZPZS5HG6JSHODMESZMHKJ3GW","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":"921b3cdd4bc4ee76c2a60d32368150392bc4ca86cfeffd40ccfb208afdb7c03f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-02T10:07:40Z","title_canon_sha256":"0b75780ad136daa4103e4e340302f68edcae29d540cb68f3c577192d2ff7df1e"},"schema_version":"1.0","source":{"id":"1205.0364","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.0364","created_at":"2026-05-18T03:40:25Z"},{"alias_kind":"arxiv_version","alias_value":"1205.0364v2","created_at":"2026-05-18T03:40:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.0364","created_at":"2026-05-18T03:40:25Z"},{"alias_kind":"pith_short_12","alias_value":"BSZPZS5HG6JS","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"BSZPZS5HG6JSHODM","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"BSZPZS5H","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:bfcf5f532f27949abe20ed79d49c81d2d4f3b0966430e75e386b5f0d66d2efd1","target":"graph","created_at":"2026-05-18T03:40:25Z","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 Genetic Algorithms to extract information from several cosmological probes, such as the type Ia supernovae (SnIa), the Baryon Acoustic Oscillations (BAO) and the growth rate of matter perturbations. This is done by implementing a model independent and bias-free reconstruction of the various scales and distances that characterize the data, like the luminosity $d_L(z)$ and the angular diameter distance $d_A(z)$ in the SnIa and BAO data, respectively, or the dependence with redshift of the matter density $\\om_m(a)$ in the growth rate data, $f\\sigma_8(z)$. These quantities can then be used ","authors_text":"Juan Garcia-Bellido, Savvas Nesseris","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-02T10:07:40Z","title":"A new perspective on Dark Energy modeling via Genetic Algorithms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.0364","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":"sha256:74f446464705670a35fe50bf97f782cf33179b05763e94e621a0c356a2830f6d","target":"record","created_at":"2026-05-18T03:40:25Z","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":"921b3cdd4bc4ee76c2a60d32368150392bc4ca86cfeffd40ccfb208afdb7c03f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-05-02T10:07:40Z","title_canon_sha256":"0b75780ad136daa4103e4e340302f68edcae29d540cb68f3c577192d2ff7df1e"},"schema_version":"1.0","source":{"id":"1205.0364","kind":"arxiv","version":2}},"canonical_sha256":"0cb2fccba7379323b86c24b2c3a93b35bc207c51812ffa441257645281e50912","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0cb2fccba7379323b86c24b2c3a93b35bc207c51812ffa441257645281e50912","first_computed_at":"2026-05-18T03:40:25.605573Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:40:25.605573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7PWR93p4INdWQ/kWdWkrdM81DcN7sv9KLurZBinvByvzhrCiCoq0DdVhkKkOKKDpG+Jz01bFac3odjBA6ezIBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:40:25.606205Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.0364","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74f446464705670a35fe50bf97f782cf33179b05763e94e621a0c356a2830f6d","sha256:bfcf5f532f27949abe20ed79d49c81d2d4f3b0966430e75e386b5f0d66d2efd1"],"state_sha256":"4cdd0b62f9be794d18d2e27cdb11a1316501a093b59adc2739463559c506f12a"}