{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:HOOV5K5RVYOZFTXNPJY4TG7A3X","short_pith_number":"pith:HOOV5K5R","schema_version":"1.0","canonical_sha256":"3b9d5eabb1ae1d92ceed7a71c99be0ddd3806d96c86e300177dc2254353aa361","source":{"kind":"arxiv","id":"astro-ph/0104009","version":1},"attestation_state":"computed","paper":{"title":"Supernovae and the Nature of the Dark Energy","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Goobar, M. Goliath, P. Astier, R. Amanullah, R. Pain","submitted_at":"2001-04-01T11:36:49Z","abstract_excerpt":"The use of Type Ia supernovae as calibrated standard candles is one of the most powerful tools to study the expansion history of the universe and thereby its energy components. While the analysis of some ~50 supernovae at redshifts around z~0.5 have provided strong evidence for an energy component with negative pressure, ``dark energy'', more data is needed to enable an accurate estimate of the amount and nature of this energy. This might be accomplished by a dedicated space telescope, the SuperNova / Acceleration Probe (2000; SNAP), which aims at collecting a large number of supernovae with z"},"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":"astro-ph/0104009","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-04-01T11:36:49Z","cross_cats_sorted":[],"title_canon_sha256":"758fc26062062653867630b5e5e3ca2411f0de2a52158387c59fea2df915e0ad","abstract_canon_sha256":"65b6da53552ea3e8b4ab5fff8ba0fa86ccd0e20ebff5098fb65fdca1d293a31f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:22:58.277900Z","signature_b64":"lSvaU093AK4IUZbO4wmaAtogImTtTc/Rg0cMu24wEwxJ8BWpvGY5f9Cnf01WW2R3RDv7V/35lS+ehTbCvu99Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b9d5eabb1ae1d92ceed7a71c99be0ddd3806d96c86e300177dc2254353aa361","last_reissued_at":"2026-07-04T16:22:58.277362Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:22:58.277362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Supernovae and the Nature of the Dark Energy","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Goobar, M. Goliath, P. Astier, R. Amanullah, R. Pain","submitted_at":"2001-04-01T11:36:49Z","abstract_excerpt":"The use of Type Ia supernovae as calibrated standard candles is one of the most powerful tools to study the expansion history of the universe and thereby its energy components. While the analysis of some ~50 supernovae at redshifts around z~0.5 have provided strong evidence for an energy component with negative pressure, ``dark energy'', more data is needed to enable an accurate estimate of the amount and nature of this energy. This might be accomplished by a dedicated space telescope, the SuperNova / Acceleration Probe (2000; SNAP), which aims at collecting a large number of supernovae with z"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0104009","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/astro-ph/0104009/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":"astro-ph/0104009","created_at":"2026-07-04T16:22:58.277420+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0104009v1","created_at":"2026-07-04T16:22:58.277420+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0104009","created_at":"2026-07-04T16:22:58.277420+00:00"},{"alias_kind":"pith_short_12","alias_value":"HOOV5K5RVYOZ","created_at":"2026-07-04T16:22:58.277420+00:00"},{"alias_kind":"pith_short_16","alias_value":"HOOV5K5RVYOZFTXN","created_at":"2026-07-04T16:22:58.277420+00:00"},{"alias_kind":"pith_short_8","alias_value":"HOOV5K5R","created_at":"2026-07-04T16:22:58.277420+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2509.09202","citing_title":"Interacting $k$-essence field with non-pressureless Dark Matter: Cosmological Dynamics and Observational Constraints","ref_index":93,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HOOV5K5RVYOZFTXNPJY4TG7A3X","json":"https://pith.science/pith/HOOV5K5RVYOZFTXNPJY4TG7A3X.json","graph_json":"https://pith.science/api/pith-number/HOOV5K5RVYOZFTXNPJY4TG7A3X/graph.json","events_json":"https://pith.science/api/pith-number/HOOV5K5RVYOZFTXNPJY4TG7A3X/events.json","paper":"https://pith.science/paper/HOOV5K5R"},"agent_actions":{"view_html":"https://pith.science/pith/HOOV5K5RVYOZFTXNPJY4TG7A3X","download_json":"https://pith.science/pith/HOOV5K5RVYOZFTXNPJY4TG7A3X.json","view_paper":"https://pith.science/paper/HOOV5K5R","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0104009&json=true","fetch_graph":"https://pith.science/api/pith-number/HOOV5K5RVYOZFTXNPJY4TG7A3X/graph.json","fetch_events":"https://pith.science/api/pith-number/HOOV5K5RVYOZFTXNPJY4TG7A3X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HOOV5K5RVYOZFTXNPJY4TG7A3X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HOOV5K5RVYOZFTXNPJY4TG7A3X/action/storage_attestation","attest_author":"https://pith.science/pith/HOOV5K5RVYOZFTXNPJY4TG7A3X/action/author_attestation","sign_citation":"https://pith.science/pith/HOOV5K5RVYOZFTXNPJY4TG7A3X/action/citation_signature","submit_replication":"https://pith.science/pith/HOOV5K5RVYOZFTXNPJY4TG7A3X/action/replication_record"}},"created_at":"2026-07-04T16:22:58.277420+00:00","updated_at":"2026-07-04T16:22:58.277420+00:00"}