{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:GSD5JB5BA327NALBRAPBOVCQS5","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":"5943749ebfec21e73a939c57784c4a54827398c25f56b45356d6cd3eee80fd26","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-04-10T14:28:58Z","title_canon_sha256":"25c04c640e0b24223e111ac418cae560700835a20729e0ac5b7ff2c1068675b2"},"schema_version":"1.0","source":{"id":"2004.05049","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.05049","created_at":"2026-07-05T01:53:49Z"},{"alias_kind":"arxiv_version","alias_value":"2004.05049v2","created_at":"2026-07-05T01:53:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.05049","created_at":"2026-07-05T01:53:49Z"},{"alias_kind":"pith_short_12","alias_value":"GSD5JB5BA327","created_at":"2026-07-05T01:53:49Z"},{"alias_kind":"pith_short_16","alias_value":"GSD5JB5BA327NALB","created_at":"2026-07-05T01:53:49Z"},{"alias_kind":"pith_short_8","alias_value":"GSD5JB5B","created_at":"2026-07-05T01:53:49Z"}],"graph_snapshots":[{"event_id":"sha256:eea34abd7c0452d748204eee6d24218738d378aea2ca7d29cc47d62fe3bd3369","target":"graph","created_at":"2026-07-05T01:53:49Z","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/2004.05049/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate whether the $4.4\\sigma$ tension on $H_0$ between SH$_{0}$ES 2019 and Planck 2018 can be alleviated by a variation of Newton's constant $G_N$ between the early and the late Universe. This changes the Hubble rate before recombination, similarly to adding $\\Delta N_{\\rm eff}$ extra relativistic degrees of freedom. We implement a varying $G_N$ in a scalar-tensor theory of gravity, with a non-minimal coupling $(M^2+\\beta \\phi^2)R$. If the scalar $\\phi$ starts in the radiation era at an initial value $\\phi_I \\sim 0.5~M_p$ and with $\\beta<0$, a dynamical transition occurs naturally aro","authors_text":"Alessio Notari, Fabrizio Rompineve, Guillermo Ballesteros","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-04-10T14:28:58Z","title":"The $H_0$ tension: $\\Delta G_N$ vs. $\\Delta N_{\\rm eff}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.05049","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":"sha256:3d8736dd133a40baa37f501620013e21e5b4f07be6bddb72857ba5786a22d007","target":"record","created_at":"2026-07-05T01:53:49Z","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":"5943749ebfec21e73a939c57784c4a54827398c25f56b45356d6cd3eee80fd26","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-04-10T14:28:58Z","title_canon_sha256":"25c04c640e0b24223e111ac418cae560700835a20729e0ac5b7ff2c1068675b2"},"schema_version":"1.0","source":{"id":"2004.05049","kind":"arxiv","version":2}},"canonical_sha256":"3487d487a106f5f68161881e17545097566f452600d722af803670cc9a8d0bf2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3487d487a106f5f68161881e17545097566f452600d722af803670cc9a8d0bf2","first_computed_at":"2026-07-05T01:53:49.463701Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:53:49.463701Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y4lB3kYQ9G0BFskPSzv/EwY/odLzvV4SDx4FY+1ytaYXLf9PWKirckat1Jh6T5tLEdtN59X6R4q9hT7OkCLwCg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:53:49.464246Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.05049","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d8736dd133a40baa37f501620013e21e5b4f07be6bddb72857ba5786a22d007","sha256:eea34abd7c0452d748204eee6d24218738d378aea2ca7d29cc47d62fe3bd3369"],"state_sha256":"89c4e111b5d31dc5095a4a98939ca912391a163659842f7337fa1d860d8dbd65"}