{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:ZLYZCVAT4UOP3G5RNJE6EEORRM","short_pith_number":"pith:ZLYZCVAT","schema_version":"1.0","canonical_sha256":"caf1915413e51cfd9bb16a49e211d18b0a412c411cd856286a3b7370cacb71df","source":{"kind":"arxiv","id":"1907.10813","version":2},"attestation_state":"computed","paper":{"title":"Model-independent reconstruction of $f(T)$ gravity from Gaussian Processes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Emmanuel N. Saridakis, Martiros Khurshudyan, Yi-Fu Cai","submitted_at":"2019-07-25T03:15:48Z","abstract_excerpt":"We apply Gaussian processes and Hubble function data in $f(T)$ cosmology, to reconstruct for the first time the $f(T)$ form in a model-independent way. In particular, using $H(z)$ datasets coming from cosmic chronometers as well as from the radial BAO method, alongside the latest released local value $H_{0} = 73.52 \\pm 1.62$ km/s/Mpc, we reconstruct $H(z)$ and its derivatives, resulting eventually in a reconstructed region for $f(T)$, without any assumption. Although the cosmological constant lies in the central part of the reconstructed region, the obtained mean curve follows a quadratic func"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1907.10813","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-07-25T03:15:48Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"9d45841c9d31f9264cede542b36f4b858da98cc7079c482dbe46e703564ebf67","abstract_canon_sha256":"0bc922fff6767024656519a79fea343a92dcfe426aec592cb93f3995b3ce49d3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:32:13.125212Z","signature_b64":"feQgPLhgqYbeSwFnp0SD1jqrNwUm1Vntev9z3+zXlEaErFRbwXaQKmqzGnDrG6Tv5Gxmp43svFDDJUbdRz1wCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"caf1915413e51cfd9bb16a49e211d18b0a412c411cd856286a3b7370cacb71df","last_reissued_at":"2026-07-05T00:32:13.124775Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:32:13.124775Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Model-independent reconstruction of $f(T)$ gravity from Gaussian Processes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Emmanuel N. Saridakis, Martiros Khurshudyan, Yi-Fu Cai","submitted_at":"2019-07-25T03:15:48Z","abstract_excerpt":"We apply Gaussian processes and Hubble function data in $f(T)$ cosmology, to reconstruct for the first time the $f(T)$ form in a model-independent way. In particular, using $H(z)$ datasets coming from cosmic chronometers as well as from the radial BAO method, alongside the latest released local value $H_{0} = 73.52 \\pm 1.62$ km/s/Mpc, we reconstruct $H(z)$ and its derivatives, resulting eventually in a reconstructed region for $f(T)$, without any assumption. Although the cosmological constant lies in the central part of the reconstructed region, the obtained mean curve follows a quadratic func"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.10813","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/1907.10813/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1907.10813","created_at":"2026-07-05T00:32:13.124828+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.10813v2","created_at":"2026-07-05T00:32:13.124828+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.10813","created_at":"2026-07-05T00:32:13.124828+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZLYZCVAT4UOP","created_at":"2026-07-05T00:32:13.124828+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZLYZCVAT4UOP3G5R","created_at":"2026-07-05T00:32:13.124828+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZLYZCVAT","created_at":"2026-07-05T00:32:13.124828+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.14977","citing_title":"Unified dark sector and Hubble-tension alleviation in scalar-vector-tensor gravity","ref_index":50,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZLYZCVAT4UOP3G5RNJE6EEORRM","json":"https://pith.science/pith/ZLYZCVAT4UOP3G5RNJE6EEORRM.json","graph_json":"https://pith.science/api/pith-number/ZLYZCVAT4UOP3G5RNJE6EEORRM/graph.json","events_json":"https://pith.science/api/pith-number/ZLYZCVAT4UOP3G5RNJE6EEORRM/events.json","paper":"https://pith.science/paper/ZLYZCVAT"},"agent_actions":{"view_html":"https://pith.science/pith/ZLYZCVAT4UOP3G5RNJE6EEORRM","download_json":"https://pith.science/pith/ZLYZCVAT4UOP3G5RNJE6EEORRM.json","view_paper":"https://pith.science/paper/ZLYZCVAT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.10813&json=true","fetch_graph":"https://pith.science/api/pith-number/ZLYZCVAT4UOP3G5RNJE6EEORRM/graph.json","fetch_events":"https://pith.science/api/pith-number/ZLYZCVAT4UOP3G5RNJE6EEORRM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZLYZCVAT4UOP3G5RNJE6EEORRM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZLYZCVAT4UOP3G5RNJE6EEORRM/action/storage_attestation","attest_author":"https://pith.science/pith/ZLYZCVAT4UOP3G5RNJE6EEORRM/action/author_attestation","sign_citation":"https://pith.science/pith/ZLYZCVAT4UOP3G5RNJE6EEORRM/action/citation_signature","submit_replication":"https://pith.science/pith/ZLYZCVAT4UOP3G5RNJE6EEORRM/action/replication_record"}},"created_at":"2026-07-05T00:32:13.124828+00:00","updated_at":"2026-07-05T00:32:13.124828+00:00"}