{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:DD33KNX4FYLM7MSOO4SXEAWHUJ","short_pith_number":"pith:DD33KNX4","canonical_record":{"source":{"id":"2011.13853","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-11-27T17:30:22Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"5525bb0073d7850ca527d13af2dcc61415544086d73b01d9a7718af27146d906","abstract_canon_sha256":"3d8df2de4e1abe2d4fb05d6f8145faa9b95bc9f8c4e68602a0a3d8d95fda6303"},"schema_version":"1.0"},"canonical_sha256":"18f7b536fc2e16cfb24e77257202c7a271bfea559f86355326155ea3c335701f","source":{"kind":"arxiv","id":"2011.13853","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.13853","created_at":"2026-07-05T04:55:35Z"},{"alias_kind":"arxiv_version","alias_value":"2011.13853v2","created_at":"2026-07-05T04:55:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.13853","created_at":"2026-07-05T04:55:35Z"},{"alias_kind":"pith_short_12","alias_value":"DD33KNX4FYLM","created_at":"2026-07-05T04:55:35Z"},{"alias_kind":"pith_short_16","alias_value":"DD33KNX4FYLM7MSO","created_at":"2026-07-05T04:55:35Z"},{"alias_kind":"pith_short_8","alias_value":"DD33KNX4","created_at":"2026-07-05T04:55:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:DD33KNX4FYLM7MSOO4SXEAWHUJ","target":"record","payload":{"canonical_record":{"source":{"id":"2011.13853","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-11-27T17:30:22Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"5525bb0073d7850ca527d13af2dcc61415544086d73b01d9a7718af27146d906","abstract_canon_sha256":"3d8df2de4e1abe2d4fb05d6f8145faa9b95bc9f8c4e68602a0a3d8d95fda6303"},"schema_version":"1.0"},"canonical_sha256":"18f7b536fc2e16cfb24e77257202c7a271bfea559f86355326155ea3c335701f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:55:35.495086Z","signature_b64":"TfYHgzl5i3k5+rWAzJ94lKOyTyT8upJiNGGT674QhfHxISITCUImjz4S72ffBntrY8BSPh7YVZXctIWPVZitAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18f7b536fc2e16cfb24e77257202c7a271bfea559f86355326155ea3c335701f","last_reissued_at":"2026-07-05T04:55:35.494673Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:55:35.494673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.13853","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:55:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h9bqEKIt9npO7iETO6qX0akg3yKac4KA4jCAoSix4CKxSkPaVCKuRt/hCdVuMmko5zcSi1tIJ91arRDCIKvGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T09:13:11.689777Z"},"content_sha256":"7b392d582f7f74867eb9768ef1e5e979d00dea5c480b50a74f10c28232dc9381","schema_version":"1.0","event_id":"sha256:7b392d582f7f74867eb9768ef1e5e979d00dea5c480b50a74f10c28232dc9381"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:DD33KNX4FYLM7MSOO4SXEAWHUJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Can Conformally Coupled Modified Gravity Solve The Hubble Tension?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Ely D. Kovetz, Tal Adi","submitted_at":"2020-11-27T17:30:22Z","abstract_excerpt":"The discrepancy between early-Universe inferences and direct measurements of the Hubble constant, known as the Hubble tension, recently became a pressing subject in high precision cosmology. As a result, a large variety of theoretical models have been proposed to relieve this tension. In this work we analyze a conformally-coupled modified gravity (CCMG) model of an evolving gravitational constant due to the coupling of a scalar field to the Ricci scalar, which becomes active around matter-radiation equality, as required for solutions to the Hubble tension based on increasing the sound horizon "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.13853","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2011.13853/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:55:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fM1TFtup88fio2oz5Ou/fPImFJFNdr3hE59cZW8eHKzB6WI3fQ4d6k1ErZqcFi8g9pbz0QlHCOHQWMTNEREgBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T09:13:11.690274Z"},"content_sha256":"1600a3c83abce15466514052446e0fcbf7bde5c0041cf3867e68c19a4b646cc3","schema_version":"1.0","event_id":"sha256:1600a3c83abce15466514052446e0fcbf7bde5c0041cf3867e68c19a4b646cc3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DD33KNX4FYLM7MSOO4SXEAWHUJ/bundle.json","state_url":"https://pith.science/pith/DD33KNX4FYLM7MSOO4SXEAWHUJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DD33KNX4FYLM7MSOO4SXEAWHUJ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-03T09:13:11Z","links":{"resolver":"https://pith.science/pith/DD33KNX4FYLM7MSOO4SXEAWHUJ","bundle":"https://pith.science/pith/DD33KNX4FYLM7MSOO4SXEAWHUJ/bundle.json","state":"https://pith.science/pith/DD33KNX4FYLM7MSOO4SXEAWHUJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DD33KNX4FYLM7MSOO4SXEAWHUJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:DD33KNX4FYLM7MSOO4SXEAWHUJ","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":"3d8df2de4e1abe2d4fb05d6f8145faa9b95bc9f8c4e68602a0a3d8d95fda6303","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-11-27T17:30:22Z","title_canon_sha256":"5525bb0073d7850ca527d13af2dcc61415544086d73b01d9a7718af27146d906"},"schema_version":"1.0","source":{"id":"2011.13853","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.13853","created_at":"2026-07-05T04:55:35Z"},{"alias_kind":"arxiv_version","alias_value":"2011.13853v2","created_at":"2026-07-05T04:55:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.13853","created_at":"2026-07-05T04:55:35Z"},{"alias_kind":"pith_short_12","alias_value":"DD33KNX4FYLM","created_at":"2026-07-05T04:55:35Z"},{"alias_kind":"pith_short_16","alias_value":"DD33KNX4FYLM7MSO","created_at":"2026-07-05T04:55:35Z"},{"alias_kind":"pith_short_8","alias_value":"DD33KNX4","created_at":"2026-07-05T04:55:35Z"}],"graph_snapshots":[{"event_id":"sha256:1600a3c83abce15466514052446e0fcbf7bde5c0041cf3867e68c19a4b646cc3","target":"graph","created_at":"2026-07-05T04:55:35Z","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/2011.13853/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The discrepancy between early-Universe inferences and direct measurements of the Hubble constant, known as the Hubble tension, recently became a pressing subject in high precision cosmology. As a result, a large variety of theoretical models have been proposed to relieve this tension. In this work we analyze a conformally-coupled modified gravity (CCMG) model of an evolving gravitational constant due to the coupling of a scalar field to the Ricci scalar, which becomes active around matter-radiation equality, as required for solutions to the Hubble tension based on increasing the sound horizon ","authors_text":"Ely D. Kovetz, Tal Adi","cross_cats":["hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-11-27T17:30:22Z","title":"Can Conformally Coupled Modified Gravity Solve The Hubble Tension?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.13853","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":"sha256:7b392d582f7f74867eb9768ef1e5e979d00dea5c480b50a74f10c28232dc9381","target":"record","created_at":"2026-07-05T04:55:35Z","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":"3d8df2de4e1abe2d4fb05d6f8145faa9b95bc9f8c4e68602a0a3d8d95fda6303","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-11-27T17:30:22Z","title_canon_sha256":"5525bb0073d7850ca527d13af2dcc61415544086d73b01d9a7718af27146d906"},"schema_version":"1.0","source":{"id":"2011.13853","kind":"arxiv","version":2}},"canonical_sha256":"18f7b536fc2e16cfb24e77257202c7a271bfea559f86355326155ea3c335701f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18f7b536fc2e16cfb24e77257202c7a271bfea559f86355326155ea3c335701f","first_computed_at":"2026-07-05T04:55:35.494673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:55:35.494673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TfYHgzl5i3k5+rWAzJ94lKOyTyT8upJiNGGT674QhfHxISITCUImjz4S72ffBntrY8BSPh7YVZXctIWPVZitAw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:55:35.495086Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.13853","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b392d582f7f74867eb9768ef1e5e979d00dea5c480b50a74f10c28232dc9381","sha256:1600a3c83abce15466514052446e0fcbf7bde5c0041cf3867e68c19a4b646cc3"],"state_sha256":"f060d50cfaa5a2ee3c692d29b462ea382ab1678fb55c20e060378e4924c25723"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nlBLfIByR/CebJQ0mFKW2wgVb7cWg2CESLIQSabsgadqSrQwnXLGnumdpWQvFfO/HgO3huWGHHTCBKH+XfnSCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T09:13:11.694256Z","bundle_sha256":"459014a9673b50f370f819993dc3fbbe220ad88d87c41e683c274a5fc6c0e027"}}