{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:BV564LDICWMXMSQZP2USDWC6UI","short_pith_number":"pith:BV564LDI","schema_version":"1.0","canonical_sha256":"0d7bee2c681599764a197ea921d85ea22bab5cdecab64f30f7e207ca21e1d4d2","source":{"kind":"arxiv","id":"2605.26581","version":1},"attestation_state":"computed","paper":{"title":"The DECam MAGIC Survey $-$ Mapping the Ancient Galaxy in CaHK: Overview and Summary of Early Science","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. B. Pace, A. Chiti, A. Drlica-Wagner, A. H. Riley, A. K. Vivas, A. M. Luna, A. P. Ji, A. R. Walker, A. Zenteno, B. Mutlu-Pakdil, C. E. Mart\\'inez-V\\'azquez, C. W. Skeffington, D. Crnojevi\\'c, D. Erkal, D. J. James, D. J. Sand, D. L. Nidever, D. S. Prabhu, E. Tollerud, F. O. Barbosa, G. E. Medina, G. Limberg, G. S. Stringfellow, H. Q. Do, J. A. Carballo-Bello, J. D. Sakowska, J. D. Simon, J. F. Wu, J. J. Hermes, J. L. Carlin, K. A. G. Olsen, K. R. Atzberger, K. Tavangar, L. Santana-Silva, M. Navabi, N. E. D. No\\\"el, N. Kallivayalil, P. Massana, P. S. Ferguson, S. N. Campana, T. S. Li, V. Chandra, V. M. Placco, W. Cerny, Y. Choi","submitted_at":"2026-05-26T05:51:53Z","abstract_excerpt":"We present the DECam Mapping the Ancient Galaxy in CaHK (MAGIC) survey, a 54-night NOIRLab Survey Program to image $\\gtrsim$5,000$\\,$deg$^2$ of the southern hemisphere using a metallicity-sensitive narrow-band filter covering the Ca$\\,$ii$\\,$H&K lines centered at 3955$\\,$A. This filter is installed on the Dark Energy Camera (DECam), mounted on the 4-m NSF V\\'{i}ctor M. Blanco Telescope. The survey reaches typical $10\\sigma$ depths of $\\text{mag}_{\\text{CaHK}} \\approx 22.5$, 3$-$4$\\,$mag deeper than comparable surveys in the southern hemisphere. By combining photometry from this Ca$\\,$ii$\\,$H&K"},"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":"2605.26581","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-26T05:51:53Z","cross_cats_sorted":[],"title_canon_sha256":"b7954231b68fa35daa264b58b48d78a1f7211b40806e3b6d3fafa6dbd2f6e9c8","abstract_canon_sha256":"eeba609bbd005403314390652934b6c564e51544c226b6bfbeb6eb3231dbc240"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-27T01:05:27.184390Z","signature_b64":"/hkldNzziphf2arD9aZCm5FZuSC0txeGRidA4Fhjw66qRskHD1LvoLJKOQt9IxyPmbzpmq2bhL6h43YiITqKAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d7bee2c681599764a197ea921d85ea22bab5cdecab64f30f7e207ca21e1d4d2","last_reissued_at":"2026-05-27T01:05:27.183931Z","signature_status":"signed_v1","first_computed_at":"2026-05-27T01:05:27.183931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The DECam MAGIC Survey $-$ Mapping the Ancient Galaxy in CaHK: Overview and Summary of Early Science","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. B. Pace, A. Chiti, A. Drlica-Wagner, A. H. Riley, A. K. Vivas, A. M. Luna, A. P. Ji, A. R. Walker, A. Zenteno, B. Mutlu-Pakdil, C. E. Mart\\'inez-V\\'azquez, C. W. Skeffington, D. Crnojevi\\'c, D. Erkal, D. J. James, D. J. Sand, D. L. Nidever, D. S. Prabhu, E. Tollerud, F. O. Barbosa, G. E. Medina, G. Limberg, G. S. Stringfellow, H. Q. Do, J. A. Carballo-Bello, J. D. Sakowska, J. D. Simon, J. F. Wu, J. J. Hermes, J. L. Carlin, K. A. G. Olsen, K. R. Atzberger, K. Tavangar, L. Santana-Silva, M. Navabi, N. E. D. No\\\"el, N. Kallivayalil, P. Massana, P. S. Ferguson, S. N. Campana, T. S. Li, V. Chandra, V. M. Placco, W. Cerny, Y. Choi","submitted_at":"2026-05-26T05:51:53Z","abstract_excerpt":"We present the DECam Mapping the Ancient Galaxy in CaHK (MAGIC) survey, a 54-night NOIRLab Survey Program to image $\\gtrsim$5,000$\\,$deg$^2$ of the southern hemisphere using a metallicity-sensitive narrow-band filter covering the Ca$\\,$ii$\\,$H&K lines centered at 3955$\\,$A. This filter is installed on the Dark Energy Camera (DECam), mounted on the 4-m NSF V\\'{i}ctor M. Blanco Telescope. The survey reaches typical $10\\sigma$ depths of $\\text{mag}_{\\text{CaHK}} \\approx 22.5$, 3$-$4$\\,$mag deeper than comparable surveys in the southern hemisphere. By combining photometry from this Ca$\\,$ii$\\,$H&K"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.26581","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/2605.26581/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":"2605.26581","created_at":"2026-05-27T01:05:27.183999+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.26581v1","created_at":"2026-05-27T01:05:27.183999+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.26581","created_at":"2026-05-27T01:05:27.183999+00:00"},{"alias_kind":"pith_short_12","alias_value":"BV564LDICWMX","created_at":"2026-05-27T01:05:27.183999+00:00"},{"alias_kind":"pith_short_16","alias_value":"BV564LDICWMXMSQZ","created_at":"2026-05-27T01:05:27.183999+00:00"},{"alias_kind":"pith_short_8","alias_value":"BV564LDI","created_at":"2026-05-27T01:05:27.183999+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/BV564LDICWMXMSQZP2USDWC6UI","json":"https://pith.science/pith/BV564LDICWMXMSQZP2USDWC6UI.json","graph_json":"https://pith.science/api/pith-number/BV564LDICWMXMSQZP2USDWC6UI/graph.json","events_json":"https://pith.science/api/pith-number/BV564LDICWMXMSQZP2USDWC6UI/events.json","paper":"https://pith.science/paper/BV564LDI"},"agent_actions":{"view_html":"https://pith.science/pith/BV564LDICWMXMSQZP2USDWC6UI","download_json":"https://pith.science/pith/BV564LDICWMXMSQZP2USDWC6UI.json","view_paper":"https://pith.science/paper/BV564LDI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.26581&json=true","fetch_graph":"https://pith.science/api/pith-number/BV564LDICWMXMSQZP2USDWC6UI/graph.json","fetch_events":"https://pith.science/api/pith-number/BV564LDICWMXMSQZP2USDWC6UI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BV564LDICWMXMSQZP2USDWC6UI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BV564LDICWMXMSQZP2USDWC6UI/action/storage_attestation","attest_author":"https://pith.science/pith/BV564LDICWMXMSQZP2USDWC6UI/action/author_attestation","sign_citation":"https://pith.science/pith/BV564LDICWMXMSQZP2USDWC6UI/action/citation_signature","submit_replication":"https://pith.science/pith/BV564LDICWMXMSQZP2USDWC6UI/action/replication_record"}},"created_at":"2026-05-27T01:05:27.183999+00:00","updated_at":"2026-05-27T01:05:27.183999+00:00"}