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We also map emission from ammonia (8,8) and (9,9) in two clouds in the Sgr A complex (M-0.02-0.07 and M-0.13-0.08), and we find that the line emission is concentrated toward"},"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":"1306.0953","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-05T01:22:37Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"db0be0712b320f9dec52edd60e7b4767b68de77ae4516f8a6c0eab7a40bf32b8","abstract_canon_sha256":"0281d3190992d354600679efd3b49185377ffdbe4f1edc0de7b569ddc8b2c726"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:32.815100Z","signature_b64":"T0MVT0TXA/4tQ8AGWopePtVduqWP83TBHUTLAdhKTAQGV0KLrubqbHvu5Kz61HE6L67PC0dNSis0NshsMM99CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8051f278c2f8b52920ec07af94dab66c268fe4409e74902b2d1d83f680fd1c5d","last_reissued_at":"2026-05-18T01:49:32.814609Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:32.814609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Detection of Widespread Hot Ammonia in the Galactic Center","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Elisabeth A.C. 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