{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NJWXDB7BT56TRIQNZONTXDGMVE","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":"072042fc335a77cc41bd217348d446bb229bc07849e042e07c07a7525ede2781","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-07-22T18:05:09Z","title_canon_sha256":"e1452e4100b1fe0a436f370594f642d8911534056d4709d6e6f12722f775bf1b"},"schema_version":"1.0","source":{"id":"2607.20635","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20635","created_at":"2026-07-24T00:23:26Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20635v1","created_at":"2026-07-24T00:23:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20635","created_at":"2026-07-24T00:23:26Z"},{"alias_kind":"pith_short_12","alias_value":"NJWXDB7BT56T","created_at":"2026-07-24T00:23:26Z"},{"alias_kind":"pith_short_16","alias_value":"NJWXDB7BT56TRIQN","created_at":"2026-07-24T00:23:26Z"},{"alias_kind":"pith_short_8","alias_value":"NJWXDB7B","created_at":"2026-07-24T00:23:26Z"}],"graph_snapshots":[{"event_id":"sha256:5717bcb1ab36b444255cbe7d0dd1fdcdc807c9b70b6d37c1f19a238bde188dfa","target":"graph","created_at":"2026-07-24T00:23:26Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.20635/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The latest measurement of the primordial deuterium abundance is in $\\sim 2\\sigma$ tension with several state-of-the-art predictions of standard Big Bang nucleosynthesis (BBN), when using the baryon density inferred from the $\\Lambda$CDM model fit to cosmic microwave background (CMB) data. This tension increases to $\\sim 3\\sigma$ for models attempting to solve the Hubble tension, such as early dark energy (EDE), which generally predict a larger baryon density than in $\\Lambda$CDM. We test whether this discrepancy could be pointing to a non-standard expansion history during BBN. We compute light","authors_text":"Cyril Pitrou, Julien Froustey, Tristan L. Smith, Vivian Poulin","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-07-22T18:05:09Z","title":"What could an emerging Big Bang Nucleosynthesis discrepancy be hinting at?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20635","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":"sha256:4bbcd3e03cdb2b7aca112af2484669af5872f31d25d851d3448b1570e29677d7","target":"record","created_at":"2026-07-24T00:23:26Z","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":"072042fc335a77cc41bd217348d446bb229bc07849e042e07c07a7525ede2781","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-07-22T18:05:09Z","title_canon_sha256":"e1452e4100b1fe0a436f370594f642d8911534056d4709d6e6f12722f775bf1b"},"schema_version":"1.0","source":{"id":"2607.20635","kind":"arxiv","version":1}},"canonical_sha256":"6a6d7187e19f7d38a20dcb9b3b8ccca922ce2bde872656f406bda98f7a4bce9a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a6d7187e19f7d38a20dcb9b3b8ccca922ce2bde872656f406bda98f7a4bce9a","first_computed_at":"2026-07-24T00:23:26.923603Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-24T00:23:26.923603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cISGzkCMZQzLmFVnmf5UIShVwYJwY25nFAdmry7BEFn7i4XT+CJL9Tr9KW/nZEKLgrKEEfULnHTS2XtPQAaJAw==","signature_status":"signed_v1","signed_at":"2026-07-24T00:23:26.924477Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.20635","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4bbcd3e03cdb2b7aca112af2484669af5872f31d25d851d3448b1570e29677d7","sha256:5717bcb1ab36b444255cbe7d0dd1fdcdc807c9b70b6d37c1f19a238bde188dfa"],"state_sha256":"f179d9459b674010f2dd998d35e99c966eac5aab80ea7472ccc7e5b1c26b7881"}