{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:DC4KRH4M4RED4CP5D5NBCRMTWZ","short_pith_number":"pith:DC4KRH4M","canonical_record":{"source":{"id":"1312.6071","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-20T18:52:18Z","cross_cats_sorted":[],"title_canon_sha256":"b4402368653aa21b5bd5ead2f5e7c489b1c893abcfdca2413f49a43004b389b8","abstract_canon_sha256":"436ed873ae9a6cc05bfa76d730ad2936051c249edbe09b95f60b4aab505381c4"},"schema_version":"1.0"},"canonical_sha256":"18b8a89f8ce4483e09fd1f5a114593b659c061c7d2965d96b124e72d37dc34ed","source":{"kind":"arxiv","id":"1312.6071","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.6071","created_at":"2026-05-18T01:45:43Z"},{"alias_kind":"arxiv_version","alias_value":"1312.6071v1","created_at":"2026-05-18T01:45:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.6071","created_at":"2026-05-18T01:45:43Z"},{"alias_kind":"pith_short_12","alias_value":"DC4KRH4M4RED","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"DC4KRH4M4RED4CP5","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"DC4KRH4M","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:DC4KRH4M4RED4CP5D5NBCRMTWZ","target":"record","payload":{"canonical_record":{"source":{"id":"1312.6071","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-20T18:52:18Z","cross_cats_sorted":[],"title_canon_sha256":"b4402368653aa21b5bd5ead2f5e7c489b1c893abcfdca2413f49a43004b389b8","abstract_canon_sha256":"436ed873ae9a6cc05bfa76d730ad2936051c249edbe09b95f60b4aab505381c4"},"schema_version":"1.0"},"canonical_sha256":"18b8a89f8ce4483e09fd1f5a114593b659c061c7d2965d96b124e72d37dc34ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:43.155521Z","signature_b64":"Faa1glFYOK3uCd2pXB8U5REwnZy5+Da1cnh7swMlbAUcDJSUWihzm2L2oAZXdbsJWQPX17rmM+KOlsQs2EglBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18b8a89f8ce4483e09fd1f5a114593b659c061c7d2965d96b124e72d37dc34ed","last_reissued_at":"2026-05-18T01:45:43.154771Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:43.154771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.6071","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:45:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/sBc31eeDi9qcmGDom+ZqGDt4M8d7/O9aZs90wkeoHGILufkBbdZItFIhgc2kT5eP1jgo37RU43rjoS905JaBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:20:41.260697Z"},"content_sha256":"35dca1750f7f7b8b9042af7089de4a53be4d7c184712c17def9f0ced4f8b09ea","schema_version":"1.0","event_id":"sha256:35dca1750f7f7b8b9042af7089de4a53be4d7c184712c17def9f0ced4f8b09ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:DC4KRH4M4RED4CP5D5NBCRMTWZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Radio Survey of Galactic Center Clouds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Schmiedeke, C.C. Lang, D. Ludovici, E.A.C. Mills, J. Ott, M.R. Morris, N. Butterfield, S. Schmitz","submitted_at":"2013-12-20T18:52:18Z","abstract_excerpt":"We present a survey of molecules in a sample of Galactic center molecular clouds using the Karl G. Jansky Very large Array, which includes M0.25+0.01, the clouds near Sgr A, and Sgr B2. The molecules detected are primarily NH3 and HC3N; in Sgr B2-N we also detect nonmetastable NH3, vibrationally-excited HC3N, torsionally-excited CH3OH, and numerous isotopologues of these species. 36 GHz Class I CH3OH masers are ubiquitous in these fields, and in several cases are associated with new NH3 (3,3) maser candidates. We also find that NH3 and HC3N are depleted or absent toward several of the highest "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.6071","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:45:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YarHyRBEYYm9cQ9KUmmhHsD1LwZYwyVMqc5MXGg40+Eln+q6UDtObwt12GjjzZd0pvwXy1p8c54P+T2PxobqCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:20:41.261355Z"},"content_sha256":"0ab3c134b4409327bdb5740b17e063b562d52142df1ff6dcf3518fcc393ff182","schema_version":"1.0","event_id":"sha256:0ab3c134b4409327bdb5740b17e063b562d52142df1ff6dcf3518fcc393ff182"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DC4KRH4M4RED4CP5D5NBCRMTWZ/bundle.json","state_url":"https://pith.science/pith/DC4KRH4M4RED4CP5D5NBCRMTWZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DC4KRH4M4RED4CP5D5NBCRMTWZ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-29T15:20:41Z","links":{"resolver":"https://pith.science/pith/DC4KRH4M4RED4CP5D5NBCRMTWZ","bundle":"https://pith.science/pith/DC4KRH4M4RED4CP5D5NBCRMTWZ/bundle.json","state":"https://pith.science/pith/DC4KRH4M4RED4CP5D5NBCRMTWZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DC4KRH4M4RED4CP5D5NBCRMTWZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:DC4KRH4M4RED4CP5D5NBCRMTWZ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"436ed873ae9a6cc05bfa76d730ad2936051c249edbe09b95f60b4aab505381c4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-20T18:52:18Z","title_canon_sha256":"b4402368653aa21b5bd5ead2f5e7c489b1c893abcfdca2413f49a43004b389b8"},"schema_version":"1.0","source":{"id":"1312.6071","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.6071","created_at":"2026-05-18T01:45:43Z"},{"alias_kind":"arxiv_version","alias_value":"1312.6071v1","created_at":"2026-05-18T01:45:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.6071","created_at":"2026-05-18T01:45:43Z"},{"alias_kind":"pith_short_12","alias_value":"DC4KRH4M4RED","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"DC4KRH4M4RED4CP5","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"DC4KRH4M","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:0ab3c134b4409327bdb5740b17e063b562d52142df1ff6dcf3518fcc393ff182","target":"graph","created_at":"2026-05-18T01:45:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present a survey of molecules in a sample of Galactic center molecular clouds using the Karl G. Jansky Very large Array, which includes M0.25+0.01, the clouds near Sgr A, and Sgr B2. The molecules detected are primarily NH3 and HC3N; in Sgr B2-N we also detect nonmetastable NH3, vibrationally-excited HC3N, torsionally-excited CH3OH, and numerous isotopologues of these species. 36 GHz Class I CH3OH masers are ubiquitous in these fields, and in several cases are associated with new NH3 (3,3) maser candidates. We also find that NH3 and HC3N are depleted or absent toward several of the highest ","authors_text":"A. Schmiedeke, C.C. Lang, D. Ludovici, E.A.C. Mills, J. Ott, M.R. Morris, N. Butterfield, S. Schmitz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-20T18:52:18Z","title":"A Radio Survey of Galactic Center Clouds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.6071","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:35dca1750f7f7b8b9042af7089de4a53be4d7c184712c17def9f0ced4f8b09ea","target":"record","created_at":"2026-05-18T01:45:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"436ed873ae9a6cc05bfa76d730ad2936051c249edbe09b95f60b4aab505381c4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-20T18:52:18Z","title_canon_sha256":"b4402368653aa21b5bd5ead2f5e7c489b1c893abcfdca2413f49a43004b389b8"},"schema_version":"1.0","source":{"id":"1312.6071","kind":"arxiv","version":1}},"canonical_sha256":"18b8a89f8ce4483e09fd1f5a114593b659c061c7d2965d96b124e72d37dc34ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18b8a89f8ce4483e09fd1f5a114593b659c061c7d2965d96b124e72d37dc34ed","first_computed_at":"2026-05-18T01:45:43.154771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:43.154771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Faa1glFYOK3uCd2pXB8U5REwnZy5+Da1cnh7swMlbAUcDJSUWihzm2L2oAZXdbsJWQPX17rmM+KOlsQs2EglBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:43.155521Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.6071","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35dca1750f7f7b8b9042af7089de4a53be4d7c184712c17def9f0ced4f8b09ea","sha256:0ab3c134b4409327bdb5740b17e063b562d52142df1ff6dcf3518fcc393ff182"],"state_sha256":"c97eb5bf99175607d72feeacbec795ce9f5a4288f42af141fe6fd0991371f325"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bga427+HAhUT9/epoQse73q9roZ7Nbd/zztNYnueuBZsrRWaIIP3jMm3G92pTzJvSHfVJtT8BddF9nAmsmV4Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T15:20:41.264744Z","bundle_sha256":"8c8df4131c6c786601afe82bba9ab7c3974841eb3e50149a3977f34074c48786"}}