{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:KPHYGL5OVTDPMS3CYBNYOFO2SU","short_pith_number":"pith:KPHYGL5O","schema_version":"1.0","canonical_sha256":"53cf832faeacc6f64b62c05b8715da950afb6d87d658546d1cb144aeca99cf4e","source":{"kind":"arxiv","id":"2104.08311","version":1},"attestation_state":"computed","paper":{"title":"Toward a concordance teleparallel Cosmology II: Linear perturbation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Alexey Golovnev, Amr A. El-Zant, Mahmoud Hashim, Waleed El Hanafy","submitted_at":"2021-04-16T18:52:10Z","abstract_excerpt":"Late time cosmic acceleration may be achieved by modifying gravity on large scales. This should also have consequences on the evolution of perturbations. We thus extend our study of exponential infrared $f(T)$ teleparallel gravity to examine the viability of the theory at the linear perturbation level, evaluating the full CMB and matter power spectra. As the theory does not introduce extra free parameters, it fits within the minimal six parameter space of standard $\\Lambda$CDM. Using Planck 2018 CMB (TT+TE+EE+lensing) alone, best fits predict those parameters to be almost identical to $\\Lambda"},"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":"2104.08311","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-04-16T18:52:10Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"74d395525066d558da784a74cba952ddc2de5a20e46f98b8d946a0693830c599","abstract_canon_sha256":"63526777ef58cc5c9086f00fa618246b3129ab532c30d9184b862f391091d1a1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:31:42.899344Z","signature_b64":"yyeuoSKlwkbxKr+UPRHE69c/Unibig5P1+NS0n5a6Gyw/EbFYpqlmLpZ3S1cVU0gMlwxBYdR0f+m/Npw84q0Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53cf832faeacc6f64b62c05b8715da950afb6d87d658546d1cb144aeca99cf4e","last_reissued_at":"2026-07-05T05:31:42.898872Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:31:42.898872Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Toward a concordance teleparallel Cosmology II: Linear perturbation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Alexey Golovnev, Amr A. El-Zant, Mahmoud Hashim, Waleed El Hanafy","submitted_at":"2021-04-16T18:52:10Z","abstract_excerpt":"Late time cosmic acceleration may be achieved by modifying gravity on large scales. This should also have consequences on the evolution of perturbations. We thus extend our study of exponential infrared $f(T)$ teleparallel gravity to examine the viability of the theory at the linear perturbation level, evaluating the full CMB and matter power spectra. As the theory does not introduce extra free parameters, it fits within the minimal six parameter space of standard $\\Lambda$CDM. Using Planck 2018 CMB (TT+TE+EE+lensing) alone, best fits predict those parameters to be almost identical to $\\Lambda"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.08311","kind":"arxiv","version":1},"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/2104.08311/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":"2104.08311","created_at":"2026-07-05T05:31:42.898934+00:00"},{"alias_kind":"arxiv_version","alias_value":"2104.08311v1","created_at":"2026-07-05T05:31:42.898934+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.08311","created_at":"2026-07-05T05:31:42.898934+00:00"},{"alias_kind":"pith_short_12","alias_value":"KPHYGL5OVTDP","created_at":"2026-07-05T05:31:42.898934+00:00"},{"alias_kind":"pith_short_16","alias_value":"KPHYGL5OVTDPMS3C","created_at":"2026-07-05T05:31:42.898934+00:00"},{"alias_kind":"pith_short_8","alias_value":"KPHYGL5O","created_at":"2026-07-05T05:31:42.898934+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.31324","citing_title":"Cosmological Viability of Exponential Infrared $f(T)$ Gravity","ref_index":203,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KPHYGL5OVTDPMS3CYBNYOFO2SU","json":"https://pith.science/pith/KPHYGL5OVTDPMS3CYBNYOFO2SU.json","graph_json":"https://pith.science/api/pith-number/KPHYGL5OVTDPMS3CYBNYOFO2SU/graph.json","events_json":"https://pith.science/api/pith-number/KPHYGL5OVTDPMS3CYBNYOFO2SU/events.json","paper":"https://pith.science/paper/KPHYGL5O"},"agent_actions":{"view_html":"https://pith.science/pith/KPHYGL5OVTDPMS3CYBNYOFO2SU","download_json":"https://pith.science/pith/KPHYGL5OVTDPMS3CYBNYOFO2SU.json","view_paper":"https://pith.science/paper/KPHYGL5O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2104.08311&json=true","fetch_graph":"https://pith.science/api/pith-number/KPHYGL5OVTDPMS3CYBNYOFO2SU/graph.json","fetch_events":"https://pith.science/api/pith-number/KPHYGL5OVTDPMS3CYBNYOFO2SU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KPHYGL5OVTDPMS3CYBNYOFO2SU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KPHYGL5OVTDPMS3CYBNYOFO2SU/action/storage_attestation","attest_author":"https://pith.science/pith/KPHYGL5OVTDPMS3CYBNYOFO2SU/action/author_attestation","sign_citation":"https://pith.science/pith/KPHYGL5OVTDPMS3CYBNYOFO2SU/action/citation_signature","submit_replication":"https://pith.science/pith/KPHYGL5OVTDPMS3CYBNYOFO2SU/action/replication_record"}},"created_at":"2026-07-05T05:31:42.898934+00:00","updated_at":"2026-07-05T05:31:42.898934+00:00"}