{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:NESDHMOYD55OK6A4CU6MTOPPC7","short_pith_number":"pith:NESDHMOY","schema_version":"1.0","canonical_sha256":"692433b1d81f7ae5781c153cc9b9ef17dcb4a0bd72753bd689f40286bdb30ce7","source":{"kind":"arxiv","id":"1109.6234","version":3},"attestation_state":"computed","paper":{"title":"Interacting Dark Energy -- constraints and degeneracies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Gong-Bo Zhao, Jussi V\\\"aliviita, Kazuya Koyama, Roy Maartens, Timothy Clemson","submitted_at":"2011-09-28T15:07:34Z","abstract_excerpt":"In standard cosmologies, dark energy interacts only gravitationally with dark matter. There could be a non-gravitational interaction in the dark sector, leading to changes in the effective DE equation of state, in the redshift dependence of the DM density and in structure formation. We use CMB, BAO and SNIa data to constrain a model where the energy transfer in the dark sector is proportional to the DE density. There are two subclasses, defined by the vanishing of momentum transfer either in the DM or the DE frame. We conduct a Markov-Chain Monte-Carlo analysis to obtain best-fit parameters. T"},"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":"1109.6234","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-28T15:07:34Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"8dc02fc726b2842d750aa925b0499d899cac4e484fb02b76c35dd58f8c21f8df","abstract_canon_sha256":"68fc93208b7b5bb61e92b5b0f1eae35045c9b2ed97f1df92d11f6a554cbe368f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:00:26.572622Z","signature_b64":"O+dDhLK0/viJrzCbPXLnwcVdS682YOrH+VzkJsxuG5wvWIIaSOUspZpFBxoChRMAZF86OzYX3VYsrW9trijRDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"692433b1d81f7ae5781c153cc9b9ef17dcb4a0bd72753bd689f40286bdb30ce7","last_reissued_at":"2026-05-18T04:00:26.572142Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:00:26.572142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Interacting Dark Energy -- constraints and degeneracies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Gong-Bo Zhao, Jussi V\\\"aliviita, Kazuya Koyama, Roy Maartens, Timothy Clemson","submitted_at":"2011-09-28T15:07:34Z","abstract_excerpt":"In standard cosmologies, dark energy interacts only gravitationally with dark matter. There could be a non-gravitational interaction in the dark sector, leading to changes in the effective DE equation of state, in the redshift dependence of the DM density and in structure formation. We use CMB, BAO and SNIa data to constrain a model where the energy transfer in the dark sector is proportional to the DE density. There are two subclasses, defined by the vanishing of momentum transfer either in the DM or the DE frame. We conduct a Markov-Chain Monte-Carlo analysis to obtain best-fit parameters. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.6234","kind":"arxiv","version":3},"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":"1109.6234","created_at":"2026-05-18T04:00:26.572218+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.6234v3","created_at":"2026-05-18T04:00:26.572218+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.6234","created_at":"2026-05-18T04:00:26.572218+00:00"},{"alias_kind":"pith_short_12","alias_value":"NESDHMOYD55O","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_16","alias_value":"NESDHMOYD55OK6A4","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_8","alias_value":"NESDHMOY","created_at":"2026-05-18T12:26:37.096874+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2503.14743","citing_title":"Extended Dark Energy analysis using DESI DR2 BAO measurements","ref_index":198,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NESDHMOYD55OK6A4CU6MTOPPC7","json":"https://pith.science/pith/NESDHMOYD55OK6A4CU6MTOPPC7.json","graph_json":"https://pith.science/api/pith-number/NESDHMOYD55OK6A4CU6MTOPPC7/graph.json","events_json":"https://pith.science/api/pith-number/NESDHMOYD55OK6A4CU6MTOPPC7/events.json","paper":"https://pith.science/paper/NESDHMOY"},"agent_actions":{"view_html":"https://pith.science/pith/NESDHMOYD55OK6A4CU6MTOPPC7","download_json":"https://pith.science/pith/NESDHMOYD55OK6A4CU6MTOPPC7.json","view_paper":"https://pith.science/paper/NESDHMOY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.6234&json=true","fetch_graph":"https://pith.science/api/pith-number/NESDHMOYD55OK6A4CU6MTOPPC7/graph.json","fetch_events":"https://pith.science/api/pith-number/NESDHMOYD55OK6A4CU6MTOPPC7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NESDHMOYD55OK6A4CU6MTOPPC7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NESDHMOYD55OK6A4CU6MTOPPC7/action/storage_attestation","attest_author":"https://pith.science/pith/NESDHMOYD55OK6A4CU6MTOPPC7/action/author_attestation","sign_citation":"https://pith.science/pith/NESDHMOYD55OK6A4CU6MTOPPC7/action/citation_signature","submit_replication":"https://pith.science/pith/NESDHMOYD55OK6A4CU6MTOPPC7/action/replication_record"}},"created_at":"2026-05-18T04:00:26.572218+00:00","updated_at":"2026-05-18T04:00:26.572218+00:00"}