{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:6ZRUO4XPZKGO6A7SF7P4E6AJQF","short_pith_number":"pith:6ZRUO4XP","canonical_record":{"source":{"id":"1707.04914","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-07-16T16:59:11Z","cross_cats_sorted":[],"title_canon_sha256":"9ef26f320afde9ed4d6e51750046922e2a98517cf595b40a99435fdf428679f5","abstract_canon_sha256":"9fc0d8d4527cb793e307cbd3a445608ce835b464aba4a7535e86b418d8ab3a35"},"schema_version":"1.0"},"canonical_sha256":"f6634772efca8cef03f22fdfc278098144fe98c5bfc5a9f19935a56fa2f4fb03","source":{"kind":"arxiv","id":"1707.04914","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.04914","created_at":"2026-05-18T00:36:28Z"},{"alias_kind":"arxiv_version","alias_value":"1707.04914v1","created_at":"2026-05-18T00:36:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.04914","created_at":"2026-05-18T00:36:28Z"},{"alias_kind":"pith_short_12","alias_value":"6ZRUO4XPZKGO","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6ZRUO4XPZKGO6A7S","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6ZRUO4XP","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:6ZRUO4XPZKGO6A7SF7P4E6AJQF","target":"record","payload":{"canonical_record":{"source":{"id":"1707.04914","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-07-16T16:59:11Z","cross_cats_sorted":[],"title_canon_sha256":"9ef26f320afde9ed4d6e51750046922e2a98517cf595b40a99435fdf428679f5","abstract_canon_sha256":"9fc0d8d4527cb793e307cbd3a445608ce835b464aba4a7535e86b418d8ab3a35"},"schema_version":"1.0"},"canonical_sha256":"f6634772efca8cef03f22fdfc278098144fe98c5bfc5a9f19935a56fa2f4fb03","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:28.581565Z","signature_b64":"QDZR5O43XBgLxQKlfnihQ81IFNAXFLcn0vtgvTov1daPB6WpbJ3/RGnAZ8J9Sh14U1Go8K2nCGkKfSlAC04wDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6634772efca8cef03f22fdfc278098144fe98c5bfc5a9f19935a56fa2f4fb03","last_reissued_at":"2026-05-18T00:36:28.581036Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:28.581036Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.04914","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":"2026-05-18T00:36:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cYI9g7RrEf2ty6QJbldoDNfqICthLwsY3YuOduwSAFtDmWaGBp4WMHwqdqGxvJ7U6VGUhONSvirh8cYzxHBkAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:40:41.627086Z"},"content_sha256":"a808cc21720a7a316703a4139f1ea7340af0261fd2c5c30abfdf54fba1c86f62","schema_version":"1.0","event_id":"sha256:a808cc21720a7a316703a4139f1ea7340af0261fd2c5c30abfdf54fba1c86f62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:6ZRUO4XPZKGO6A7SF7P4E6AJQF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HIFI Spectroscopy of ${\\rm H_2O}$ submm Lines in Nuclei of Actively Star Forming Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Harris, A. Weiss, D. Liu, F. P. Israel, J. Martin-Pintado, J. P. Perez-Beaupuits, J. Stutzki, K. M. Menten, L. Liu, M. A. Requena-Torres, P. van der Werf, R. G\\\"usten, Y. Gao","submitted_at":"2017-07-16T16:59:11Z","abstract_excerpt":"We present a systematic survey of multiple velocity-resolved H$_2$O spectra using Herschel/HIFI towards nine nearby actively star forming galaxies. The ground-state and low-excitation lines (E$_{\\rm up}\\,\\le 130\\,{\\rm K}$) show profiles with emission and absorption blended together, while absorption-free medium-excitation lines ($130\\,{\\rm K}\\, \\le\\, E_{\\rm up}\\,\\le\\,350\\,{\\rm K}$) typically display line shapes similar to CO. We analyze the HIFI observation together with archival SPIRE/PACS H$_2$O data using a state-of-the-art 3D radiative transfer code which includes the interaction between c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.04914","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":"2026-05-18T00:36:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1fYFnmA5P1GKBo9BjkrONgGrB49Fu6jo8x3Qo40yEJpqpiV66nq4cjNWpQLgTwv0Mr+vD6eK0JHHW77+d3U6CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:40:41.627817Z"},"content_sha256":"4733b2f44f37f9c31e0759daffe7a8758e4d1ba6bce9c2f91b8cc883b2da7cd9","schema_version":"1.0","event_id":"sha256:4733b2f44f37f9c31e0759daffe7a8758e4d1ba6bce9c2f91b8cc883b2da7cd9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6ZRUO4XPZKGO6A7SF7P4E6AJQF/bundle.json","state_url":"https://pith.science/pith/6ZRUO4XPZKGO6A7SF7P4E6AJQF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6ZRUO4XPZKGO6A7SF7P4E6AJQF/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":"2026-06-08T17:40:41Z","links":{"resolver":"https://pith.science/pith/6ZRUO4XPZKGO6A7SF7P4E6AJQF","bundle":"https://pith.science/pith/6ZRUO4XPZKGO6A7SF7P4E6AJQF/bundle.json","state":"https://pith.science/pith/6ZRUO4XPZKGO6A7SF7P4E6AJQF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6ZRUO4XPZKGO6A7SF7P4E6AJQF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:6ZRUO4XPZKGO6A7SF7P4E6AJQF","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":"9fc0d8d4527cb793e307cbd3a445608ce835b464aba4a7535e86b418d8ab3a35","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-07-16T16:59:11Z","title_canon_sha256":"9ef26f320afde9ed4d6e51750046922e2a98517cf595b40a99435fdf428679f5"},"schema_version":"1.0","source":{"id":"1707.04914","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.04914","created_at":"2026-05-18T00:36:28Z"},{"alias_kind":"arxiv_version","alias_value":"1707.04914v1","created_at":"2026-05-18T00:36:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.04914","created_at":"2026-05-18T00:36:28Z"},{"alias_kind":"pith_short_12","alias_value":"6ZRUO4XPZKGO","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6ZRUO4XPZKGO6A7S","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6ZRUO4XP","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:4733b2f44f37f9c31e0759daffe7a8758e4d1ba6bce9c2f91b8cc883b2da7cd9","target":"graph","created_at":"2026-05-18T00:36:28Z","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 systematic survey of multiple velocity-resolved H$_2$O spectra using Herschel/HIFI towards nine nearby actively star forming galaxies. The ground-state and low-excitation lines (E$_{\\rm up}\\,\\le 130\\,{\\rm K}$) show profiles with emission and absorption blended together, while absorption-free medium-excitation lines ($130\\,{\\rm K}\\, \\le\\, E_{\\rm up}\\,\\le\\,350\\,{\\rm K}$) typically display line shapes similar to CO. We analyze the HIFI observation together with archival SPIRE/PACS H$_2$O data using a state-of-the-art 3D radiative transfer code which includes the interaction between c","authors_text":"A. Harris, A. Weiss, D. Liu, F. P. Israel, J. Martin-Pintado, J. P. Perez-Beaupuits, J. Stutzki, K. M. Menten, L. Liu, M. A. Requena-Torres, P. van der Werf, R. G\\\"usten, Y. Gao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-07-16T16:59:11Z","title":"HIFI Spectroscopy of ${\\rm H_2O}$ submm Lines in Nuclei of Actively Star Forming Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.04914","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:a808cc21720a7a316703a4139f1ea7340af0261fd2c5c30abfdf54fba1c86f62","target":"record","created_at":"2026-05-18T00:36:28Z","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":"9fc0d8d4527cb793e307cbd3a445608ce835b464aba4a7535e86b418d8ab3a35","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-07-16T16:59:11Z","title_canon_sha256":"9ef26f320afde9ed4d6e51750046922e2a98517cf595b40a99435fdf428679f5"},"schema_version":"1.0","source":{"id":"1707.04914","kind":"arxiv","version":1}},"canonical_sha256":"f6634772efca8cef03f22fdfc278098144fe98c5bfc5a9f19935a56fa2f4fb03","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6634772efca8cef03f22fdfc278098144fe98c5bfc5a9f19935a56fa2f4fb03","first_computed_at":"2026-05-18T00:36:28.581036Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:28.581036Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QDZR5O43XBgLxQKlfnihQ81IFNAXFLcn0vtgvTov1daPB6WpbJ3/RGnAZ8J9Sh14U1Go8K2nCGkKfSlAC04wDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:28.581565Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.04914","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a808cc21720a7a316703a4139f1ea7340af0261fd2c5c30abfdf54fba1c86f62","sha256:4733b2f44f37f9c31e0759daffe7a8758e4d1ba6bce9c2f91b8cc883b2da7cd9"],"state_sha256":"612594b30400baacf77b155764b4f0a08de554bd702f1aa9d6969840da30ef13"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qX78ipicaV9lShPfEKkTJhSljLvJAK4/Bcs2jMFDBJ2YT6mr+fV6XleM5c8TK0tltqcfeHTQRZrCBSiOBoSmAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T17:40:41.631562Z","bundle_sha256":"f5d55d3ce39f437439c329b10a0e70cbc55b97667b7b5be7e70f3b8ec6e44fad"}}