{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CVGMOESQJFRT2YL4X3N3C2MLW7","short_pith_number":"pith:CVGMOESQ","canonical_record":{"source":{"id":"1804.10860","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-29T02:12:51Z","cross_cats_sorted":[],"title_canon_sha256":"cabbb4422dd4d78ae752338b47d438cb2dd26d4f75b19ed9a2010ea2db01a892","abstract_canon_sha256":"e007405bc0ea8c51ff520ce4e795a8c56e926bbf13b8b4af7a077af97592dc98"},"schema_version":"1.0"},"canonical_sha256":"154cc7125049633d617cbedbb1698bb7f4f286a17ddecbbe92ca3b3cefbea5c3","source":{"kind":"arxiv","id":"1804.10860","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10860","created_at":"2026-05-18T00:13:21Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10860v2","created_at":"2026-05-18T00:13:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10860","created_at":"2026-05-18T00:13:21Z"},{"alias_kind":"pith_short_12","alias_value":"CVGMOESQJFRT","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CVGMOESQJFRT2YL4","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CVGMOESQ","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CVGMOESQJFRT2YL4X3N3C2MLW7","target":"record","payload":{"canonical_record":{"source":{"id":"1804.10860","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-29T02:12:51Z","cross_cats_sorted":[],"title_canon_sha256":"cabbb4422dd4d78ae752338b47d438cb2dd26d4f75b19ed9a2010ea2db01a892","abstract_canon_sha256":"e007405bc0ea8c51ff520ce4e795a8c56e926bbf13b8b4af7a077af97592dc98"},"schema_version":"1.0"},"canonical_sha256":"154cc7125049633d617cbedbb1698bb7f4f286a17ddecbbe92ca3b3cefbea5c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:21.362428Z","signature_b64":"2d0aAhW8suOlBjgNaY1zdXW8E5ROl5wb7NzbcRrQoIHWc6KeLVubEfVb3YzeF+NwPcBF0jKMvzOA5stBERUdAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"154cc7125049633d617cbedbb1698bb7f4f286a17ddecbbe92ca3b3cefbea5c3","last_reissued_at":"2026-05-18T00:13:21.361839Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:21.361839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.10860","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:13:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2rPaXiVXs2tb5gg/LZ1C4aFv1orep+zCXt16bN9wYOPbm/WCczio7VqRWp18KzrvlWoJnzRd5l2OT657IXz4BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:59:57.173213Z"},"content_sha256":"f621fd3c36cda02a97b140d9d87e62a2f34fdb61dbebf6183b97c00656127780","schema_version":"1.0","event_id":"sha256:f621fd3c36cda02a97b140d9d87e62a2f34fdb61dbebf6183b97c00656127780"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CVGMOESQJFRT2YL4X3N3C2MLW7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A thorough view of the nuclear region of NGC 253 - Combined Herschel, SOFIA and APEX dataset","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2), (2) Max-Planck-Institut f\\\"ur Radioastronomie, (3) Department of Astronomy, (4) RAL Space, (5) Institute for Space Imaging Science, 6) ((1) European Southern Observatory, (6) ASTRON, A. Harris (3), A. Wei{\\ss} (2), E. Polehampton (4), J.P. P\\'erez-Beaupuits (1, K.M. Menten (2), M.A. Requena-Torres (3), M.H.D. van der Wiel (5, R. G\\\"usten (2), Rutherford Appleton Laboratory, the Netherlands Institute for Radio Astronomy), University of Lethbridge, University of Maryland","submitted_at":"2018-04-29T02:12:51Z","abstract_excerpt":"We present a large set of spectral lines detected in the $40\"$ central region of the starburst galaxy NGC 253. Observations were obtained with the three instruments SPIRE, PACS and HIFI on board the Herschel Space Observatory, upGREAT on board of the SOFIA airborne observatory, and the ground based APEX telescope. Combining the spectral and photometry products of SPIRE and PACS we model the dust continuum Spectral Energy Distribution (SED) and the most complete $^{12}$CO Line SED reported so far toward the nuclear region of NGC 253. Properties and excitation of the molecular gas were derived f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10860","kind":"arxiv","version":2},"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":"2026-05-18T00:13:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t6LWdgHwsRCYFLLCZpiuWpj87e276uaj61s8bAiz2KYZlWvTdD3TXJv2NCnKAFS3lbthXly2qOaEYIsYcuOkDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:59:57.173707Z"},"content_sha256":"003d152d678e64826d768295bb8162f50c8417c7d0976118218572eb9a31825b","schema_version":"1.0","event_id":"sha256:003d152d678e64826d768295bb8162f50c8417c7d0976118218572eb9a31825b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CVGMOESQJFRT2YL4X3N3C2MLW7/bundle.json","state_url":"https://pith.science/pith/CVGMOESQJFRT2YL4X3N3C2MLW7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CVGMOESQJFRT2YL4X3N3C2MLW7/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":"2026-05-26T19:59:57Z","links":{"resolver":"https://pith.science/pith/CVGMOESQJFRT2YL4X3N3C2MLW7","bundle":"https://pith.science/pith/CVGMOESQJFRT2YL4X3N3C2MLW7/bundle.json","state":"https://pith.science/pith/CVGMOESQJFRT2YL4X3N3C2MLW7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CVGMOESQJFRT2YL4X3N3C2MLW7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CVGMOESQJFRT2YL4X3N3C2MLW7","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":"e007405bc0ea8c51ff520ce4e795a8c56e926bbf13b8b4af7a077af97592dc98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-29T02:12:51Z","title_canon_sha256":"cabbb4422dd4d78ae752338b47d438cb2dd26d4f75b19ed9a2010ea2db01a892"},"schema_version":"1.0","source":{"id":"1804.10860","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10860","created_at":"2026-05-18T00:13:21Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10860v2","created_at":"2026-05-18T00:13:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10860","created_at":"2026-05-18T00:13:21Z"},{"alias_kind":"pith_short_12","alias_value":"CVGMOESQJFRT","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CVGMOESQJFRT2YL4","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CVGMOESQ","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:003d152d678e64826d768295bb8162f50c8417c7d0976118218572eb9a31825b","target":"graph","created_at":"2026-05-18T00:13:21Z","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 large set of spectral lines detected in the $40\"$ central region of the starburst galaxy NGC 253. Observations were obtained with the three instruments SPIRE, PACS and HIFI on board the Herschel Space Observatory, upGREAT on board of the SOFIA airborne observatory, and the ground based APEX telescope. Combining the spectral and photometry products of SPIRE and PACS we model the dust continuum Spectral Energy Distribution (SED) and the most complete $^{12}$CO Line SED reported so far toward the nuclear region of NGC 253. Properties and excitation of the molecular gas were derived f","authors_text":"2), (2) Max-Planck-Institut f\\\"ur Radioastronomie, (3) Department of Astronomy, (4) RAL Space, (5) Institute for Space Imaging Science, 6) ((1) European Southern Observatory, (6) ASTRON, A. Harris (3), A. Wei{\\ss} (2), E. Polehampton (4), J.P. P\\'erez-Beaupuits (1, K.M. Menten (2), M.A. Requena-Torres (3), M.H.D. van der Wiel (5, R. G\\\"usten (2), Rutherford Appleton Laboratory, the Netherlands Institute for Radio Astronomy), University of Lethbridge, University of Maryland","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-29T02:12:51Z","title":"A thorough view of the nuclear region of NGC 253 - Combined Herschel, SOFIA and APEX dataset"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10860","kind":"arxiv","version":2},"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:f621fd3c36cda02a97b140d9d87e62a2f34fdb61dbebf6183b97c00656127780","target":"record","created_at":"2026-05-18T00:13:21Z","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":"e007405bc0ea8c51ff520ce4e795a8c56e926bbf13b8b4af7a077af97592dc98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-29T02:12:51Z","title_canon_sha256":"cabbb4422dd4d78ae752338b47d438cb2dd26d4f75b19ed9a2010ea2db01a892"},"schema_version":"1.0","source":{"id":"1804.10860","kind":"arxiv","version":2}},"canonical_sha256":"154cc7125049633d617cbedbb1698bb7f4f286a17ddecbbe92ca3b3cefbea5c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"154cc7125049633d617cbedbb1698bb7f4f286a17ddecbbe92ca3b3cefbea5c3","first_computed_at":"2026-05-18T00:13:21.361839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:21.361839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2d0aAhW8suOlBjgNaY1zdXW8E5ROl5wb7NzbcRrQoIHWc6KeLVubEfVb3YzeF+NwPcBF0jKMvzOA5stBERUdAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:21.362428Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.10860","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f621fd3c36cda02a97b140d9d87e62a2f34fdb61dbebf6183b97c00656127780","sha256:003d152d678e64826d768295bb8162f50c8417c7d0976118218572eb9a31825b"],"state_sha256":"ff41c2725cb4cf87646ffabc6e53dcafbaa34aa9ad119af7bce9b34d620e3fcb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ESbz++YCVF2Xzc+j4QTo1iLGW+GA9fA3AiOQ86VQkrYj1kMupEEmC9gMLJdXgXg1A95p7qK54RxAwgQdX39pCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:59:57.176683Z","bundle_sha256":"c1b961334d2ae921abe5ee4f6b3ef71305ec48da5ff95b9c7d6a35f0827399c6"}}