{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:RVSTUFT7GSWUC44KJOSSXSBHFG","short_pith_number":"pith:RVSTUFT7","canonical_record":{"source":{"id":"2104.04484","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-04-09T17:11:29Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"850e2d9df5cc4c75b9789487ee77faa302284b64391745cebe7599dd9f0451ee","abstract_canon_sha256":"f9a49cba0c84ba1d237018d99322f626dfff0c4b5e1d275821ed70515bd29eff"},"schema_version":"1.0"},"canonical_sha256":"8d653a167f34ad41738a4ba52bc82729840ad15f653315ee1c62f9ba633e2023","source":{"kind":"arxiv","id":"2104.04484","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.04484","created_at":"2026-07-05T03:00:52Z"},{"alias_kind":"arxiv_version","alias_value":"2104.04484v2","created_at":"2026-07-05T03:00:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.04484","created_at":"2026-07-05T03:00:52Z"},{"alias_kind":"pith_short_12","alias_value":"RVSTUFT7GSWU","created_at":"2026-07-05T03:00:52Z"},{"alias_kind":"pith_short_16","alias_value":"RVSTUFT7GSWUC44K","created_at":"2026-07-05T03:00:52Z"},{"alias_kind":"pith_short_8","alias_value":"RVSTUFT7","created_at":"2026-07-05T03:00:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:RVSTUFT7GSWUC44KJOSSXSBHFG","target":"record","payload":{"canonical_record":{"source":{"id":"2104.04484","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-04-09T17:11:29Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"850e2d9df5cc4c75b9789487ee77faa302284b64391745cebe7599dd9f0451ee","abstract_canon_sha256":"f9a49cba0c84ba1d237018d99322f626dfff0c4b5e1d275821ed70515bd29eff"},"schema_version":"1.0"},"canonical_sha256":"8d653a167f34ad41738a4ba52bc82729840ad15f653315ee1c62f9ba633e2023","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:00:52.309241Z","signature_b64":"ANyO7O+FXltwRhz9pVFzWvUfwdcRWkVso/YszKcw2rh8UkPKu9F8VAsLJpHIRZZA3e+ImYi3dcO4okML7n+/Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d653a167f34ad41738a4ba52bc82729840ad15f653315ee1c62f9ba633e2023","last_reissued_at":"2026-07-05T03:00:52.308822Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:00:52.308822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.04484","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":"2026-07-05T03:00:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0lWqqnQWgXujLMFRasCivTzIWInTG/fENJdKDeDa1nO4/7M4O6ZsrGbJ00B6LIwv5UElX5NfnkJi54bOMPBKBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:02:50.250199Z"},"content_sha256":"48275e9abb6cc31726f6d4daf1def7a01b466a5515bfc6879f6b7e0227e19761","schema_version":"1.0","event_id":"sha256:48275e9abb6cc31726f6d4daf1def7a01b466a5515bfc6879f6b7e0227e19761"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:RVSTUFT7GSWUC44KJOSSXSBHFG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improving data-driven model-independent reconstructions and updated constraints on dark energy models from Horndeski cosmology","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Celia Escamilla-Rivera, Mauricio Reyes","submitted_at":"2021-04-09T17:11:29Z","abstract_excerpt":"In light of the statistical performance of cosmological observations, in this work we present an improvement on the Gaussian reconstruction of the Hubble parameter data $H(z)$ from Cosmic Chronometers, Supernovae Type Ia and Clustering Galaxies in a model-independent way in order to use them to study new constraints in the Horndeski theory of gravity. First, we have found that the prior used to calibrate the Pantheon supernovae data significantly affects the reconstructions, leading to a 13$\\sigma $ tension on the $H_0$ value. Second, according to the $\\chi^{2}$-statistics, the reconstruction "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.04484","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/2104.04484/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":"2026-07-05T03:00:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SnLc5BKP41X1751qtYnEXqcQXYxgK7iB4WnriJm2ZJHE9UdHA0ZFqoH8KqFhYyfasAXOnRLCVZKK4hcQpv2pCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:02:50.250724Z"},"content_sha256":"6eb1767fb5af7a0682f4d10332c9400c817ecc12dfa55d8dfeeaf44db126a82e","schema_version":"1.0","event_id":"sha256:6eb1767fb5af7a0682f4d10332c9400c817ecc12dfa55d8dfeeaf44db126a82e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RVSTUFT7GSWUC44KJOSSXSBHFG/bundle.json","state_url":"https://pith.science/pith/RVSTUFT7GSWUC44KJOSSXSBHFG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RVSTUFT7GSWUC44KJOSSXSBHFG/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":"2026-08-05T22:02:50Z","links":{"resolver":"https://pith.science/pith/RVSTUFT7GSWUC44KJOSSXSBHFG","bundle":"https://pith.science/pith/RVSTUFT7GSWUC44KJOSSXSBHFG/bundle.json","state":"https://pith.science/pith/RVSTUFT7GSWUC44KJOSSXSBHFG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RVSTUFT7GSWUC44KJOSSXSBHFG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:RVSTUFT7GSWUC44KJOSSXSBHFG","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":"f9a49cba0c84ba1d237018d99322f626dfff0c4b5e1d275821ed70515bd29eff","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-04-09T17:11:29Z","title_canon_sha256":"850e2d9df5cc4c75b9789487ee77faa302284b64391745cebe7599dd9f0451ee"},"schema_version":"1.0","source":{"id":"2104.04484","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.04484","created_at":"2026-07-05T03:00:52Z"},{"alias_kind":"arxiv_version","alias_value":"2104.04484v2","created_at":"2026-07-05T03:00:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.04484","created_at":"2026-07-05T03:00:52Z"},{"alias_kind":"pith_short_12","alias_value":"RVSTUFT7GSWU","created_at":"2026-07-05T03:00:52Z"},{"alias_kind":"pith_short_16","alias_value":"RVSTUFT7GSWUC44K","created_at":"2026-07-05T03:00:52Z"},{"alias_kind":"pith_short_8","alias_value":"RVSTUFT7","created_at":"2026-07-05T03:00:52Z"}],"graph_snapshots":[{"event_id":"sha256:6eb1767fb5af7a0682f4d10332c9400c817ecc12dfa55d8dfeeaf44db126a82e","target":"graph","created_at":"2026-07-05T03:00:52Z","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/2104.04484/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In light of the statistical performance of cosmological observations, in this work we present an improvement on the Gaussian reconstruction of the Hubble parameter data $H(z)$ from Cosmic Chronometers, Supernovae Type Ia and Clustering Galaxies in a model-independent way in order to use them to study new constraints in the Horndeski theory of gravity. First, we have found that the prior used to calibrate the Pantheon supernovae data significantly affects the reconstructions, leading to a 13$\\sigma $ tension on the $H_0$ value. Second, according to the $\\chi^{2}$-statistics, the reconstruction ","authors_text":"Celia Escamilla-Rivera, Mauricio Reyes","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-04-09T17:11:29Z","title":"Improving data-driven model-independent reconstructions and updated constraints on dark energy models from Horndeski cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.04484","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":"sha256:48275e9abb6cc31726f6d4daf1def7a01b466a5515bfc6879f6b7e0227e19761","target":"record","created_at":"2026-07-05T03:00:52Z","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":"f9a49cba0c84ba1d237018d99322f626dfff0c4b5e1d275821ed70515bd29eff","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-04-09T17:11:29Z","title_canon_sha256":"850e2d9df5cc4c75b9789487ee77faa302284b64391745cebe7599dd9f0451ee"},"schema_version":"1.0","source":{"id":"2104.04484","kind":"arxiv","version":2}},"canonical_sha256":"8d653a167f34ad41738a4ba52bc82729840ad15f653315ee1c62f9ba633e2023","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d653a167f34ad41738a4ba52bc82729840ad15f653315ee1c62f9ba633e2023","first_computed_at":"2026-07-05T03:00:52.308822Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:00:52.308822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ANyO7O+FXltwRhz9pVFzWvUfwdcRWkVso/YszKcw2rh8UkPKu9F8VAsLJpHIRZZA3e+ImYi3dcO4okML7n+/Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:00:52.309241Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.04484","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48275e9abb6cc31726f6d4daf1def7a01b466a5515bfc6879f6b7e0227e19761","sha256:6eb1767fb5af7a0682f4d10332c9400c817ecc12dfa55d8dfeeaf44db126a82e"],"state_sha256":"d0488075d18c3f425a9641c4aeffcc52e092f4193aab1ce357375117b13dc644"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E1X/MEw0F21j/neSOu/jzMq5KMyok61XKWVuBnx/15p/drwmC2M+6GqrYEvZPK81dscdjR16oz9983Tc/thWBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T22:02:50.256227Z","bundle_sha256":"35636beda47bf20e328dfb864355528b288a546c98f93083497e4a63aa97a889"}}