{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HRP4OPSK5Z4I5OP3KF7YFS6FMO","short_pith_number":"pith:HRP4OPSK","canonical_record":{"source":{"id":"1702.02062","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-07T15:34:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"442c1670b2873223871d085e32a4264586f51246e8ca267f4d05ef16ead43b38","abstract_canon_sha256":"192c4036277d58c3faf8a6e19d5b591c5a39925caa220248e34c95c85fd66ea6"},"schema_version":"1.0"},"canonical_sha256":"3c5fc73e4aee788eb9fb517f82cbc56399cc73b70e7139d2c78d834c46519ea6","source":{"kind":"arxiv","id":"1702.02062","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02062","created_at":"2026-05-18T00:42:52Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02062v1","created_at":"2026-05-18T00:42:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02062","created_at":"2026-05-18T00:42:52Z"},{"alias_kind":"pith_short_12","alias_value":"HRP4OPSK5Z4I","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HRP4OPSK5Z4I5OP3","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HRP4OPSK","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HRP4OPSK5Z4I5OP3KF7YFS6FMO","target":"record","payload":{"canonical_record":{"source":{"id":"1702.02062","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-07T15:34:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"442c1670b2873223871d085e32a4264586f51246e8ca267f4d05ef16ead43b38","abstract_canon_sha256":"192c4036277d58c3faf8a6e19d5b591c5a39925caa220248e34c95c85fd66ea6"},"schema_version":"1.0"},"canonical_sha256":"3c5fc73e4aee788eb9fb517f82cbc56399cc73b70e7139d2c78d834c46519ea6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:52.683012Z","signature_b64":"5ULIIlk8Ijli+RTAKFMUAKbG9MId+oESAr4X7h6HTEZ6Rq80SW4RN0XGT4ccLyNEZZJH/1NHTPq5Xt2ffLlfBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3c5fc73e4aee788eb9fb517f82cbc56399cc73b70e7139d2c78d834c46519ea6","last_reissued_at":"2026-05-18T00:42:52.682253Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:52.682253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.02062","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":"2026-05-18T00:42:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PaZM/3jNGPfzrofoZEd8sBeoT3lh3eFcFGb6W44QYXka+Dc74lFzDD+16Pp10/9jDCBGgdAY4NXEAkA8BSUaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T15:31:45.546554Z"},"content_sha256":"e2935149071e4cdf93a03a00bcebf2900c7dda7a3edec7d52062ed13521bc8f3","schema_version":"1.0","event_id":"sha256:e2935149071e4cdf93a03a00bcebf2900c7dda7a3edec7d52062ed13521bc8f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HRP4OPSK5Z4I5OP3KF7YFS6FMO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ATLASGAL-selected massive clumps in the inner Galaxy IV. Millimeter hydrogen recombination lines from associated HII regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"F. Wyrowski, J. S. Urquhart, K. M. Menten, T. Csengeri, W.-J. Kim","submitted_at":"2017-02-07T15:34:04Z","abstract_excerpt":"Observations of millimeter wavelength radio recombination lines (mm-RRLs) are used to search for HII regions in an unbiased way that is complementary to many of the more traditional methods previously used. We carried out targeted mm-RRL observations (39$\\leq$ principal quantum number ($n$) $\\leq$65 and $\\Delta n$ = 1, 2, 3 and 4, i.e. H$n\\alpha$, H$n\\beta$, H$n\\gamma$ and H$n\\delta$) using the IRAM 30m and Mopra 22m telescopes. We observed 976 compact dust clumps selected from a catalog of $\\sim$10,000 ATLASGAL sources. We detected H$n\\alpha$ mm-RRL emission toward 178 clumps; H$n\\beta$, H$n\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02062","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":"2026-05-18T00:42:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zBUZKrrgNME9GbhrG8WoTI+5lqAhYV05i+4grTYlQdrvAagCzyMTN9crfWaJ9C4tvPFQrVT/xs1ycgdOf3EsBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T15:31:45.546897Z"},"content_sha256":"ad944a142c4bd890138e7b4166597eb6d480267756c82db54661552a7823caf5","schema_version":"1.0","event_id":"sha256:ad944a142c4bd890138e7b4166597eb6d480267756c82db54661552a7823caf5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HRP4OPSK5Z4I5OP3KF7YFS6FMO/bundle.json","state_url":"https://pith.science/pith/HRP4OPSK5Z4I5OP3KF7YFS6FMO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HRP4OPSK5Z4I5OP3KF7YFS6FMO/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":"2026-06-09T15:31:45Z","links":{"resolver":"https://pith.science/pith/HRP4OPSK5Z4I5OP3KF7YFS6FMO","bundle":"https://pith.science/pith/HRP4OPSK5Z4I5OP3KF7YFS6FMO/bundle.json","state":"https://pith.science/pith/HRP4OPSK5Z4I5OP3KF7YFS6FMO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HRP4OPSK5Z4I5OP3KF7YFS6FMO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HRP4OPSK5Z4I5OP3KF7YFS6FMO","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":"192c4036277d58c3faf8a6e19d5b591c5a39925caa220248e34c95c85fd66ea6","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-07T15:34:04Z","title_canon_sha256":"442c1670b2873223871d085e32a4264586f51246e8ca267f4d05ef16ead43b38"},"schema_version":"1.0","source":{"id":"1702.02062","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02062","created_at":"2026-05-18T00:42:52Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02062v1","created_at":"2026-05-18T00:42:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02062","created_at":"2026-05-18T00:42:52Z"},{"alias_kind":"pith_short_12","alias_value":"HRP4OPSK5Z4I","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HRP4OPSK5Z4I5OP3","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HRP4OPSK","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:ad944a142c4bd890138e7b4166597eb6d480267756c82db54661552a7823caf5","target":"graph","created_at":"2026-05-18T00:42:52Z","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":"Observations of millimeter wavelength radio recombination lines (mm-RRLs) are used to search for HII regions in an unbiased way that is complementary to many of the more traditional methods previously used. We carried out targeted mm-RRL observations (39$\\leq$ principal quantum number ($n$) $\\leq$65 and $\\Delta n$ = 1, 2, 3 and 4, i.e. H$n\\alpha$, H$n\\beta$, H$n\\gamma$ and H$n\\delta$) using the IRAM 30m and Mopra 22m telescopes. We observed 976 compact dust clumps selected from a catalog of $\\sim$10,000 ATLASGAL sources. We detected H$n\\alpha$ mm-RRL emission toward 178 clumps; H$n\\beta$, H$n\\","authors_text":"F. Wyrowski, J. S. Urquhart, K. M. Menten, T. Csengeri, W.-J. Kim","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-07T15:34:04Z","title":"ATLASGAL-selected massive clumps in the inner Galaxy IV. Millimeter hydrogen recombination lines from associated HII regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02062","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:e2935149071e4cdf93a03a00bcebf2900c7dda7a3edec7d52062ed13521bc8f3","target":"record","created_at":"2026-05-18T00:42:52Z","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":"192c4036277d58c3faf8a6e19d5b591c5a39925caa220248e34c95c85fd66ea6","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-07T15:34:04Z","title_canon_sha256":"442c1670b2873223871d085e32a4264586f51246e8ca267f4d05ef16ead43b38"},"schema_version":"1.0","source":{"id":"1702.02062","kind":"arxiv","version":1}},"canonical_sha256":"3c5fc73e4aee788eb9fb517f82cbc56399cc73b70e7139d2c78d834c46519ea6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3c5fc73e4aee788eb9fb517f82cbc56399cc73b70e7139d2c78d834c46519ea6","first_computed_at":"2026-05-18T00:42:52.682253Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:52.682253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5ULIIlk8Ijli+RTAKFMUAKbG9MId+oESAr4X7h6HTEZ6Rq80SW4RN0XGT4ccLyNEZZJH/1NHTPq5Xt2ffLlfBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:52.683012Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.02062","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e2935149071e4cdf93a03a00bcebf2900c7dda7a3edec7d52062ed13521bc8f3","sha256:ad944a142c4bd890138e7b4166597eb6d480267756c82db54661552a7823caf5"],"state_sha256":"cf25ccbb6615bea8f9dc157bbadfe44db94b6fd39bc4e17af79b4743e04ae351"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EjFpesj6okHdTV98GpZ1CZsQ5C5FbWnpaIpNevYDkRmsV1AE3zUpbHL94eW4o89+5YX0vti4bQty+X37IX6ECg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T15:31:45.548854Z","bundle_sha256":"e39c882b3881e4a1c77d710a4861fd716c4608c11b8b0d9820d71733370f1729"}}