{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ERVBLSADOSYIWAXI32WRX4NWIC","short_pith_number":"pith:ERVBLSAD","schema_version":"1.0","canonical_sha256":"246a15c80374b08b02e8dead1bf1b6409d86e3d31be21bdec7b7026f36ad2523","source":{"kind":"arxiv","id":"1808.05259","version":1},"attestation_state":"computed","paper":{"title":"Diffusive dark matter and dark energy scenario and $k-$essence in the context of Supernova Ia observations","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Abhijit Bandyopadhyay, Anirban Chatterjee","submitted_at":"2018-08-15T19:12:41Z","abstract_excerpt":"We consider a unified model of interacting dark matter and dark energy to account for coincidence of present day dark energy and dark matter densities. We assume dark energy to be represented by a homogeneous scalar field $\\phi$ whose dynamics is driven by a (non-canonical) $k$-essence Lagrangian with constant potential and the particles of dark matter fluid undergoing velocity diffusion in background medium of the $k-$essence scalar field $\\phi$. This results in a transfer of energy from the fluid of dark matter to that of dark energy. This effect shows up as a source term in the continuity e"},"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":"1808.05259","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"gr-qc","submitted_at":"2018-08-15T19:12:41Z","cross_cats_sorted":[],"title_canon_sha256":"b6189fb6d046c785f19adf2aa7f12219a7175394d1bf1354aebbcf4d8e2debe4","abstract_canon_sha256":"a1eea7a25a7762e781814e529276b050da46bd6ebfc8ec19708b5ec1ca959023"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:44.185780Z","signature_b64":"Bq9vCvo6FFGRVa9vLoCkBePKtxKJ9mPORx/wKgASTSSW6ao7F0bTOicvLYqmyRzOdHmqmaQrZs6RRj0nCsLzAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"246a15c80374b08b02e8dead1bf1b6409d86e3d31be21bdec7b7026f36ad2523","last_reissued_at":"2026-05-17T23:47:44.185258Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:44.185258Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Diffusive dark matter and dark energy scenario and $k-$essence in the context of Supernova Ia observations","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Abhijit Bandyopadhyay, Anirban Chatterjee","submitted_at":"2018-08-15T19:12:41Z","abstract_excerpt":"We consider a unified model of interacting dark matter and dark energy to account for coincidence of present day dark energy and dark matter densities. We assume dark energy to be represented by a homogeneous scalar field $\\phi$ whose dynamics is driven by a (non-canonical) $k$-essence Lagrangian with constant potential and the particles of dark matter fluid undergoing velocity diffusion in background medium of the $k-$essence scalar field $\\phi$. This results in a transfer of energy from the fluid of dark matter to that of dark energy. This effect shows up as a source term in the continuity e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.05259","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":""},"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":"1808.05259","created_at":"2026-05-17T23:47:44.185351+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.05259v1","created_at":"2026-05-17T23:47:44.185351+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.05259","created_at":"2026-05-17T23:47:44.185351+00:00"},{"alias_kind":"pith_short_12","alias_value":"ERVBLSADOSYI","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_16","alias_value":"ERVBLSADOSYIWAXI","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_8","alias_value":"ERVBLSAD","created_at":"2026-05-18T12:32:22.470017+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ERVBLSADOSYIWAXI32WRX4NWIC","json":"https://pith.science/pith/ERVBLSADOSYIWAXI32WRX4NWIC.json","graph_json":"https://pith.science/api/pith-number/ERVBLSADOSYIWAXI32WRX4NWIC/graph.json","events_json":"https://pith.science/api/pith-number/ERVBLSADOSYIWAXI32WRX4NWIC/events.json","paper":"https://pith.science/paper/ERVBLSAD"},"agent_actions":{"view_html":"https://pith.science/pith/ERVBLSADOSYIWAXI32WRX4NWIC","download_json":"https://pith.science/pith/ERVBLSADOSYIWAXI32WRX4NWIC.json","view_paper":"https://pith.science/paper/ERVBLSAD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.05259&json=true","fetch_graph":"https://pith.science/api/pith-number/ERVBLSADOSYIWAXI32WRX4NWIC/graph.json","fetch_events":"https://pith.science/api/pith-number/ERVBLSADOSYIWAXI32WRX4NWIC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ERVBLSADOSYIWAXI32WRX4NWIC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ERVBLSADOSYIWAXI32WRX4NWIC/action/storage_attestation","attest_author":"https://pith.science/pith/ERVBLSADOSYIWAXI32WRX4NWIC/action/author_attestation","sign_citation":"https://pith.science/pith/ERVBLSADOSYIWAXI32WRX4NWIC/action/citation_signature","submit_replication":"https://pith.science/pith/ERVBLSADOSYIWAXI32WRX4NWIC/action/replication_record"}},"created_at":"2026-05-17T23:47:44.185351+00:00","updated_at":"2026-05-17T23:47:44.185351+00:00"}