{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:RX3KQ4B7RPJMOSNTCK3YGSRH36","short_pith_number":"pith:RX3KQ4B7","schema_version":"1.0","canonical_sha256":"8df6a8703f8bd2c749b312b7834a27dfb3530edfbcccb264eaa4f4b1d8a0b3b1","source":{"kind":"arxiv","id":"2111.01447","version":1},"attestation_state":"computed","paper":{"title":"Search for H$\\alpha$ Emitters at $z\\sim7.8$: A Constraint on the H$\\alpha$-based Star Formation Rate Density","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"K. Ohta (Department of Astronomy Kyoto University), Y. Asada","submitted_at":"2021-11-02T09:11:13Z","abstract_excerpt":"We search for H$\\alpha$ emitters at $z\\sim7.8$ in four gravitationally lensed fields observed in the Hubble Frontier Fields program. We use the Lyman break method to select galaxies at the target redshift, and make the photometry in {\\it Spitzer}/IRAC 5.8 $\\mu$m band to detect the H$\\alpha$ emission from the candidate galaxies. We find no significant detection of counterparts in the IRAC 5.8 $\\mu$m band, and this gives a constraint on the H$\\alpha$ luminosity function (LF) at $z\\sim7.8$. We compare the constraint with previous studies on rest-frame UV and FIR observation using the correlation "},"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":"2111.01447","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-02T09:11:13Z","cross_cats_sorted":[],"title_canon_sha256":"84e2847b1f99feaeb4948ce449f3aaa90c447be9dc7229767201331016813f25","abstract_canon_sha256":"13ba4bc44bbf9ea740e0ff3964b07eba5f0c67182d0e1e76b4a1982270831cab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:49:24.026922Z","signature_b64":"xkJ4d9I/lwflcZV9sviwMW5JPHwX/r+6ht2wWJcwmV0iy36iI7COEsW10BW+eUcAlhhiSxIKg8VXljxgS6tDBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8df6a8703f8bd2c749b312b7834a27dfb3530edfbcccb264eaa4f4b1d8a0b3b1","last_reissued_at":"2026-07-05T03:49:24.026429Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:49:24.026429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Search for H$\\alpha$ Emitters at $z\\sim7.8$: A Constraint on the H$\\alpha$-based Star Formation Rate Density","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"K. Ohta (Department of Astronomy Kyoto University), Y. Asada","submitted_at":"2021-11-02T09:11:13Z","abstract_excerpt":"We search for H$\\alpha$ emitters at $z\\sim7.8$ in four gravitationally lensed fields observed in the Hubble Frontier Fields program. We use the Lyman break method to select galaxies at the target redshift, and make the photometry in {\\it Spitzer}/IRAC 5.8 $\\mu$m band to detect the H$\\alpha$ emission from the candidate galaxies. We find no significant detection of counterparts in the IRAC 5.8 $\\mu$m band, and this gives a constraint on the H$\\alpha$ luminosity function (LF) at $z\\sim7.8$. We compare the constraint with previous studies on rest-frame UV and FIR observation using the correlation "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.01447","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/2111.01447/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":"2111.01447","created_at":"2026-07-05T03:49:24.026489+00:00"},{"alias_kind":"arxiv_version","alias_value":"2111.01447v1","created_at":"2026-07-05T03:49:24.026489+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.01447","created_at":"2026-07-05T03:49:24.026489+00:00"},{"alias_kind":"pith_short_12","alias_value":"RX3KQ4B7RPJM","created_at":"2026-07-05T03:49:24.026489+00:00"},{"alias_kind":"pith_short_16","alias_value":"RX3KQ4B7RPJMOSNT","created_at":"2026-07-05T03:49:24.026489+00:00"},{"alias_kind":"pith_short_8","alias_value":"RX3KQ4B7","created_at":"2026-07-05T03:49:24.026489+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/RX3KQ4B7RPJMOSNTCK3YGSRH36","json":"https://pith.science/pith/RX3KQ4B7RPJMOSNTCK3YGSRH36.json","graph_json":"https://pith.science/api/pith-number/RX3KQ4B7RPJMOSNTCK3YGSRH36/graph.json","events_json":"https://pith.science/api/pith-number/RX3KQ4B7RPJMOSNTCK3YGSRH36/events.json","paper":"https://pith.science/paper/RX3KQ4B7"},"agent_actions":{"view_html":"https://pith.science/pith/RX3KQ4B7RPJMOSNTCK3YGSRH36","download_json":"https://pith.science/pith/RX3KQ4B7RPJMOSNTCK3YGSRH36.json","view_paper":"https://pith.science/paper/RX3KQ4B7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2111.01447&json=true","fetch_graph":"https://pith.science/api/pith-number/RX3KQ4B7RPJMOSNTCK3YGSRH36/graph.json","fetch_events":"https://pith.science/api/pith-number/RX3KQ4B7RPJMOSNTCK3YGSRH36/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RX3KQ4B7RPJMOSNTCK3YGSRH36/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RX3KQ4B7RPJMOSNTCK3YGSRH36/action/storage_attestation","attest_author":"https://pith.science/pith/RX3KQ4B7RPJMOSNTCK3YGSRH36/action/author_attestation","sign_citation":"https://pith.science/pith/RX3KQ4B7RPJMOSNTCK3YGSRH36/action/citation_signature","submit_replication":"https://pith.science/pith/RX3KQ4B7RPJMOSNTCK3YGSRH36/action/replication_record"}},"created_at":"2026-07-05T03:49:24.026489+00:00","updated_at":"2026-07-05T03:49:24.026489+00:00"}