{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:VELYUWUYNKBA7U5SIDQZIUQEAY","short_pith_number":"pith:VELYUWUY","schema_version":"1.0","canonical_sha256":"a9178a5a986a820fd3b240e1945204063cfb3fe748336ea2905b6034e1303876","source":{"kind":"arxiv","id":"0911.3198","version":3},"attestation_state":"computed","paper":{"title":"The Dark Energy Equation of State using Alternative High-z Cosmic Tracers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"E. Terlevich, F. Bresolin, J. Melnick, M. Plionis, R. Chavez, R. Terlevich, S. Basilakos","submitted_at":"2009-11-17T01:21:11Z","abstract_excerpt":"We propose to use alternative cosmic tracers to measure the dark energy equation of state and the matter content of the Universe [w(z) & Omega_m]. Our proposed method consists of two components: (a) tracing the Hubble relation using HII galaxies which can be detected up to very large redshifts, z~4, as an alternative to supernovae type Ia, and (b) measuring the clustering pattern of X-ray selected AGN at a median redshift of z~1. Each component of the method can in itself provide interesting constraints on the cosmological parameters, especially under our anticipation that we will reduce the c"},"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":"0911.3198","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-11-17T01:21:11Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"1e9d811735ed29c0b4fde4de2a67777dabf0899583b0f536a629c7986660fd89","abstract_canon_sha256":"150fcb5aaa59f6ffe500b1ed82e07b61525d17e5dc891a768a2c396f086c58c4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:05.029276Z","signature_b64":"n74iV7k2fYjYX+fS+BzxWX5QVysxTYJygOKl7rni9+N9LHZMcotfdXT2EoGhycuXf6G6EPSXiRhcKQFmXshoAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9178a5a986a820fd3b240e1945204063cfb3fe748336ea2905b6034e1303876","last_reissued_at":"2026-05-18T02:34:05.028654Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:05.028654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Dark Energy Equation of State using Alternative High-z Cosmic Tracers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"E. Terlevich, F. Bresolin, J. Melnick, M. Plionis, R. Chavez, R. Terlevich, S. Basilakos","submitted_at":"2009-11-17T01:21:11Z","abstract_excerpt":"We propose to use alternative cosmic tracers to measure the dark energy equation of state and the matter content of the Universe [w(z) & Omega_m]. Our proposed method consists of two components: (a) tracing the Hubble relation using HII galaxies which can be detected up to very large redshifts, z~4, as an alternative to supernovae type Ia, and (b) measuring the clustering pattern of X-ray selected AGN at a median redshift of z~1. Each component of the method can in itself provide interesting constraints on the cosmological parameters, especially under our anticipation that we will reduce the c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3198","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":"0911.3198","created_at":"2026-05-18T02:34:05.028742+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.3198v3","created_at":"2026-05-18T02:34:05.028742+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.3198","created_at":"2026-05-18T02:34:05.028742+00:00"},{"alias_kind":"pith_short_12","alias_value":"VELYUWUYNKBA","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"VELYUWUYNKBA7U5S","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"VELYUWUY","created_at":"2026-05-18T12:26:02.257875+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/VELYUWUYNKBA7U5SIDQZIUQEAY","json":"https://pith.science/pith/VELYUWUYNKBA7U5SIDQZIUQEAY.json","graph_json":"https://pith.science/api/pith-number/VELYUWUYNKBA7U5SIDQZIUQEAY/graph.json","events_json":"https://pith.science/api/pith-number/VELYUWUYNKBA7U5SIDQZIUQEAY/events.json","paper":"https://pith.science/paper/VELYUWUY"},"agent_actions":{"view_html":"https://pith.science/pith/VELYUWUYNKBA7U5SIDQZIUQEAY","download_json":"https://pith.science/pith/VELYUWUYNKBA7U5SIDQZIUQEAY.json","view_paper":"https://pith.science/paper/VELYUWUY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.3198&json=true","fetch_graph":"https://pith.science/api/pith-number/VELYUWUYNKBA7U5SIDQZIUQEAY/graph.json","fetch_events":"https://pith.science/api/pith-number/VELYUWUYNKBA7U5SIDQZIUQEAY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VELYUWUYNKBA7U5SIDQZIUQEAY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VELYUWUYNKBA7U5SIDQZIUQEAY/action/storage_attestation","attest_author":"https://pith.science/pith/VELYUWUYNKBA7U5SIDQZIUQEAY/action/author_attestation","sign_citation":"https://pith.science/pith/VELYUWUYNKBA7U5SIDQZIUQEAY/action/citation_signature","submit_replication":"https://pith.science/pith/VELYUWUYNKBA7U5SIDQZIUQEAY/action/replication_record"}},"created_at":"2026-05-18T02:34:05.028742+00:00","updated_at":"2026-05-18T02:34:05.028742+00:00"}