{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:SEBW6ZWVYBEAASIX2V5KIK75CX","short_pith_number":"pith:SEBW6ZWV","schema_version":"1.0","canonical_sha256":"91036f66d5c048004917d57aa42bfd15e97d9d872a404a0f63a7b737a7469c3c","source":{"kind":"arxiv","id":"2001.03775","version":2},"attestation_state":"computed","paper":{"title":"Interacting Dark Sectors in Anisotropic Universe: Observational Constraints and $H_{0}$ Tension","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Anil Kumar Yadav, Hassan Amirhashchi, Nafis Ahmad, Vikrant Yadav","submitted_at":"2020-01-11T17:40:06Z","abstract_excerpt":"The present study reveals observational constraints on the coupling between dark components of anisotropic Bianchi type I universe. We assume interaction between dark matter and dark energy and split the continuity equation with inclusion of interaction term $\\Gamma$. Two scenarios have been considered (i) when coupling between dark components is constant and (ii) when it is a function of redshift ($z$). Metropolis-Hasting algorithm has been used to perform Monte Carlo Markov Chain (MCMC) analysis by using observational Hubble data obtained from cosmic chronometric (CC) technique, cosmic micro"},"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":"2001.03775","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-01-11T17:40:06Z","cross_cats_sorted":[],"title_canon_sha256":"2300a454e49abe87074990cf93c00820682093d59f2f682f8544d366a9b241b0","abstract_canon_sha256":"fab6f2bbf737bc504a4eda03c3102d339d7a628783a061115e3ca6b749ee7974"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:34:12.620042Z","signature_b64":"VfgJ2IV2DbiFdEvH7pddt5U3z3a5uje0sUlh0O8Q7B3EW105FufsGTy1GPhWipQDhYt48fP6WluzoFhYNKmCCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"91036f66d5c048004917d57aa42bfd15e97d9d872a404a0f63a7b737a7469c3c","last_reissued_at":"2026-07-05T05:34:12.619621Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:34:12.619621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Interacting Dark Sectors in Anisotropic Universe: Observational Constraints and $H_{0}$ Tension","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Anil Kumar Yadav, Hassan Amirhashchi, Nafis Ahmad, Vikrant Yadav","submitted_at":"2020-01-11T17:40:06Z","abstract_excerpt":"The present study reveals observational constraints on the coupling between dark components of anisotropic Bianchi type I universe. We assume interaction between dark matter and dark energy and split the continuity equation with inclusion of interaction term $\\Gamma$. Two scenarios have been considered (i) when coupling between dark components is constant and (ii) when it is a function of redshift ($z$). Metropolis-Hasting algorithm has been used to perform Monte Carlo Markov Chain (MCMC) analysis by using observational Hubble data obtained from cosmic chronometric (CC) technique, cosmic micro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.03775","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/2001.03775/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":"2001.03775","created_at":"2026-07-05T05:34:12.619679+00:00"},{"alias_kind":"arxiv_version","alias_value":"2001.03775v2","created_at":"2026-07-05T05:34:12.619679+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.03775","created_at":"2026-07-05T05:34:12.619679+00:00"},{"alias_kind":"pith_short_12","alias_value":"SEBW6ZWVYBEA","created_at":"2026-07-05T05:34:12.619679+00:00"},{"alias_kind":"pith_short_16","alias_value":"SEBW6ZWVYBEAASIX","created_at":"2026-07-05T05:34:12.619679+00:00"},{"alias_kind":"pith_short_8","alias_value":"SEBW6ZWV","created_at":"2026-07-05T05:34:12.619679+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":26,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SEBW6ZWVYBEAASIX2V5KIK75CX","json":"https://pith.science/pith/SEBW6ZWVYBEAASIX2V5KIK75CX.json","graph_json":"https://pith.science/api/pith-number/SEBW6ZWVYBEAASIX2V5KIK75CX/graph.json","events_json":"https://pith.science/api/pith-number/SEBW6ZWVYBEAASIX2V5KIK75CX/events.json","paper":"https://pith.science/paper/SEBW6ZWV"},"agent_actions":{"view_html":"https://pith.science/pith/SEBW6ZWVYBEAASIX2V5KIK75CX","download_json":"https://pith.science/pith/SEBW6ZWVYBEAASIX2V5KIK75CX.json","view_paper":"https://pith.science/paper/SEBW6ZWV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2001.03775&json=true","fetch_graph":"https://pith.science/api/pith-number/SEBW6ZWVYBEAASIX2V5KIK75CX/graph.json","fetch_events":"https://pith.science/api/pith-number/SEBW6ZWVYBEAASIX2V5KIK75CX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SEBW6ZWVYBEAASIX2V5KIK75CX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SEBW6ZWVYBEAASIX2V5KIK75CX/action/storage_attestation","attest_author":"https://pith.science/pith/SEBW6ZWVYBEAASIX2V5KIK75CX/action/author_attestation","sign_citation":"https://pith.science/pith/SEBW6ZWVYBEAASIX2V5KIK75CX/action/citation_signature","submit_replication":"https://pith.science/pith/SEBW6ZWVYBEAASIX2V5KIK75CX/action/replication_record"}},"created_at":"2026-07-05T05:34:12.619679+00:00","updated_at":"2026-07-05T05:34:12.619679+00:00"}