{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:LR5KZ2FHS3ZUZZ4HKMJUTZJPMC","short_pith_number":"pith:LR5KZ2FH","schema_version":"1.0","canonical_sha256":"5c7aace8a796f34ce787531349e52f60aea15cb1c247fc71ca998a8e2bdc9162","source":{"kind":"arxiv","id":"1311.7670","version":3},"attestation_state":"computed","paper":{"title":"Probing the z>6 Universe with the first Hubble Frontier Fields cluster Abell 2744","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) CRAL, 3), (3) LAM, (4) Univ. Arizona, (5) IoA, (6) Univ. KwaZulu-Natal, (7) IAC, (8) Yale), Benjamin Clement (4), Eiichi Egami (4), Eric Jullo (3), Hakim Atek (1), Harald Ebeling (5), Jean-Paul Kneib (1, Johan Richard (2), Marceau Limousin (3), Mathilde Jauzac (6), Nicolas Laporte (7), Priyamvada Natarajan (8) ((1) EPFL","submitted_at":"2013-11-29T19:22:48Z","abstract_excerpt":"The Hubble Frontier Fields (HFF) program combines the capabilities of the Hubble Space Telescope (HST) with the gravitational lensing of massive galaxy clusters to probe the distant Universe to an unprecedented depth. Here, we present the results of the first combined HST and Spitzer observations of the cluster Abell 2744. We combine the full near-infrared data with ancillary optical images to search for gravitationally lensed high-redshift (z > 6) galaxies. We report the detection of 15 I814-dropout candidates at z ~ 6-7 and one Y105-dropout at z ~ 8 in a total survey area of 1.43 arcmin^2 in"},"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":"1311.7670","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-11-29T19:22:48Z","cross_cats_sorted":[],"title_canon_sha256":"1f64313364025dab523c2acdd33c50b719508a90da87ee1c9aa4161d455a1ee9","abstract_canon_sha256":"4de6cf4e2b059d246255c8c498b920082794a3e6aa2368bd90d8d3f61332be93"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:04.692504Z","signature_b64":"OWeY3N9Zb+onnwWvOYjvJUofeAfo4slkeTEa63V7eklYqu/8aCbYF60A0ZDaBjpQcIAu0HLC8qaN7zfz1I/lAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c7aace8a796f34ce787531349e52f60aea15cb1c247fc71ca998a8e2bdc9162","last_reissued_at":"2026-05-18T01:46:04.692081Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:04.692081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing the z>6 Universe with the first Hubble Frontier Fields cluster Abell 2744","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) CRAL, 3), (3) LAM, (4) Univ. Arizona, (5) IoA, (6) Univ. KwaZulu-Natal, (7) IAC, (8) Yale), Benjamin Clement (4), Eiichi Egami (4), Eric Jullo (3), Hakim Atek (1), Harald Ebeling (5), Jean-Paul Kneib (1, Johan Richard (2), Marceau Limousin (3), Mathilde Jauzac (6), Nicolas Laporte (7), Priyamvada Natarajan (8) ((1) EPFL","submitted_at":"2013-11-29T19:22:48Z","abstract_excerpt":"The Hubble Frontier Fields (HFF) program combines the capabilities of the Hubble Space Telescope (HST) with the gravitational lensing of massive galaxy clusters to probe the distant Universe to an unprecedented depth. Here, we present the results of the first combined HST and Spitzer observations of the cluster Abell 2744. We combine the full near-infrared data with ancillary optical images to search for gravitationally lensed high-redshift (z > 6) galaxies. We report the detection of 15 I814-dropout candidates at z ~ 6-7 and one Y105-dropout at z ~ 8 in a total survey area of 1.43 arcmin^2 in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.7670","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":"1311.7670","created_at":"2026-05-18T01:46:04.692161+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.7670v3","created_at":"2026-05-18T01:46:04.692161+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.7670","created_at":"2026-05-18T01:46:04.692161+00:00"},{"alias_kind":"pith_short_12","alias_value":"LR5KZ2FHS3ZU","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_16","alias_value":"LR5KZ2FHS3ZUZZ4H","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_8","alias_value":"LR5KZ2FH","created_at":"2026-05-18T12:27:51.066281+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/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC","json":"https://pith.science/pith/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC.json","graph_json":"https://pith.science/api/pith-number/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC/graph.json","events_json":"https://pith.science/api/pith-number/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC/events.json","paper":"https://pith.science/paper/LR5KZ2FH"},"agent_actions":{"view_html":"https://pith.science/pith/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC","download_json":"https://pith.science/pith/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC.json","view_paper":"https://pith.science/paper/LR5KZ2FH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.7670&json=true","fetch_graph":"https://pith.science/api/pith-number/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC/graph.json","fetch_events":"https://pith.science/api/pith-number/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC/action/storage_attestation","attest_author":"https://pith.science/pith/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC/action/author_attestation","sign_citation":"https://pith.science/pith/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC/action/citation_signature","submit_replication":"https://pith.science/pith/LR5KZ2FHS3ZUZZ4HKMJUTZJPMC/action/replication_record"}},"created_at":"2026-05-18T01:46:04.692161+00:00","updated_at":"2026-05-18T01:46:04.692161+00:00"}