{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:7LBEKMS2UFD54YK3CKFIFQ6ZZ6","short_pith_number":"pith:7LBEKMS2","canonical_record":{"source":{"id":"1710.07397","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-20T02:14:37Z","cross_cats_sorted":[],"title_canon_sha256":"ee306cc27e4d322cbce623d34a2f16a8cff1c85bb2461ff92ba469d4d2a5b514","abstract_canon_sha256":"928f96079604e190e106ea3981df968f2a73bf41bb394860667e8f12994eef3d"},"schema_version":"1.0"},"canonical_sha256":"fac245325aa147de615b128a82c3d9cfbc3af590c4af75e8e38da7666b823927","source":{"kind":"arxiv","id":"1710.07397","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07397","created_at":"2026-05-18T00:22:58Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07397v1","created_at":"2026-05-18T00:22:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07397","created_at":"2026-05-18T00:22:58Z"},{"alias_kind":"pith_short_12","alias_value":"7LBEKMS2UFD5","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"7LBEKMS2UFD54YK3","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"7LBEKMS2","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:7LBEKMS2UFD54YK3CKFIFQ6ZZ6","target":"record","payload":{"canonical_record":{"source":{"id":"1710.07397","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-20T02:14:37Z","cross_cats_sorted":[],"title_canon_sha256":"ee306cc27e4d322cbce623d34a2f16a8cff1c85bb2461ff92ba469d4d2a5b514","abstract_canon_sha256":"928f96079604e190e106ea3981df968f2a73bf41bb394860667e8f12994eef3d"},"schema_version":"1.0"},"canonical_sha256":"fac245325aa147de615b128a82c3d9cfbc3af590c4af75e8e38da7666b823927","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:58.239376Z","signature_b64":"/7g8QMdUAzYOBhnt8bD7kggLzXRANQsNLdrLn52FsujzVFfYD9GGRqcqIlBnu0CZJ3b79gwoA+WkFYUZSYThAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fac245325aa147de615b128a82c3d9cfbc3af590c4af75e8e38da7666b823927","last_reissued_at":"2026-05-18T00:22:58.238897Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:58.238897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.07397","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":"2026-05-18T00:22:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nEzZUFwPXx8uk/bT6ILE4avyh2rjVlIfJRx8NncIR7vUKfNKv9AjjURJvecUbMrO7AIhtS21hEA58lMHqpz2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:15:29.935295Z"},"content_sha256":"6e1d28954e44648abea6ded3d987cb2a7f76ab27a71585d65df1dedd7364cf85","schema_version":"1.0","event_id":"sha256:6e1d28954e44648abea6ded3d987cb2a7f76ab27a71585d65df1dedd7364cf85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:7LBEKMS2UFD54YK3CKFIFQ6ZZ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Green Bank Telescope Survey of Large Galactic HII Regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Dana S. Balser, L.D. Anderson, Matteo Luisi, T.M. Bania, Trey V. Wenger, W.P. Armentrout","submitted_at":"2017-10-20T02:14:37Z","abstract_excerpt":"As part of our ongoing HII Region Discovery Survey (HRDS), we report the Green Bank Telescope detection of 148 new angularly-large Galactic HII regions in radio recombination line (RRL) emission. Our targets are located at a declination greater than -45deg., which corresponds to 266deg. > l > -20deg. at b = 0deg. All sources were selected from the WISE Catalog of Galactic HII Regions, and have infrared angular diameters >260''. The Galactic distribution of these \"large\" HII regions is similar to that of the previously-known sample of Galactic HII regions. The large HII region RRL line width an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07397","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":"2026-05-18T00:22:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fRvDUS77kn9y/R8cz8uc6IdnMbaWSEkXOxV97G1+bXn+0KtDap9SqKaOKQ3+hp6gejtXsVLBwcRW0xhTbnvXAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:15:29.935720Z"},"content_sha256":"827467f89c6af74ea205a8c8490acf238118a36332c75fb5e70cefa5069ab6e2","schema_version":"1.0","event_id":"sha256:827467f89c6af74ea205a8c8490acf238118a36332c75fb5e70cefa5069ab6e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7LBEKMS2UFD54YK3CKFIFQ6ZZ6/bundle.json","state_url":"https://pith.science/pith/7LBEKMS2UFD54YK3CKFIFQ6ZZ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7LBEKMS2UFD54YK3CKFIFQ6ZZ6/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":"2026-05-26T23:15:29Z","links":{"resolver":"https://pith.science/pith/7LBEKMS2UFD54YK3CKFIFQ6ZZ6","bundle":"https://pith.science/pith/7LBEKMS2UFD54YK3CKFIFQ6ZZ6/bundle.json","state":"https://pith.science/pith/7LBEKMS2UFD54YK3CKFIFQ6ZZ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7LBEKMS2UFD54YK3CKFIFQ6ZZ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:7LBEKMS2UFD54YK3CKFIFQ6ZZ6","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":"928f96079604e190e106ea3981df968f2a73bf41bb394860667e8f12994eef3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-20T02:14:37Z","title_canon_sha256":"ee306cc27e4d322cbce623d34a2f16a8cff1c85bb2461ff92ba469d4d2a5b514"},"schema_version":"1.0","source":{"id":"1710.07397","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07397","created_at":"2026-05-18T00:22:58Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07397v1","created_at":"2026-05-18T00:22:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07397","created_at":"2026-05-18T00:22:58Z"},{"alias_kind":"pith_short_12","alias_value":"7LBEKMS2UFD5","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"7LBEKMS2UFD54YK3","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"7LBEKMS2","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:827467f89c6af74ea205a8c8490acf238118a36332c75fb5e70cefa5069ab6e2","target":"graph","created_at":"2026-05-18T00:22:58Z","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":"As part of our ongoing HII Region Discovery Survey (HRDS), we report the Green Bank Telescope detection of 148 new angularly-large Galactic HII regions in radio recombination line (RRL) emission. Our targets are located at a declination greater than -45deg., which corresponds to 266deg. > l > -20deg. at b = 0deg. All sources were selected from the WISE Catalog of Galactic HII Regions, and have infrared angular diameters >260''. The Galactic distribution of these \"large\" HII regions is similar to that of the previously-known sample of Galactic HII regions. The large HII region RRL line width an","authors_text":"Dana S. Balser, L.D. Anderson, Matteo Luisi, T.M. Bania, Trey V. Wenger, W.P. Armentrout","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-20T02:14:37Z","title":"A Green Bank Telescope Survey of Large Galactic HII Regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07397","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":"sha256:6e1d28954e44648abea6ded3d987cb2a7f76ab27a71585d65df1dedd7364cf85","target":"record","created_at":"2026-05-18T00:22:58Z","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":"928f96079604e190e106ea3981df968f2a73bf41bb394860667e8f12994eef3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-20T02:14:37Z","title_canon_sha256":"ee306cc27e4d322cbce623d34a2f16a8cff1c85bb2461ff92ba469d4d2a5b514"},"schema_version":"1.0","source":{"id":"1710.07397","kind":"arxiv","version":1}},"canonical_sha256":"fac245325aa147de615b128a82c3d9cfbc3af590c4af75e8e38da7666b823927","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fac245325aa147de615b128a82c3d9cfbc3af590c4af75e8e38da7666b823927","first_computed_at":"2026-05-18T00:22:58.238897Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:58.238897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/7g8QMdUAzYOBhnt8bD7kggLzXRANQsNLdrLn52FsujzVFfYD9GGRqcqIlBnu0CZJ3b79gwoA+WkFYUZSYThAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:58.239376Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.07397","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e1d28954e44648abea6ded3d987cb2a7f76ab27a71585d65df1dedd7364cf85","sha256:827467f89c6af74ea205a8c8490acf238118a36332c75fb5e70cefa5069ab6e2"],"state_sha256":"6ecf28920302dadb6c426f5104aebe38baf4d8e6e7731c99c735dbf7fecd3363"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WUGFrIb4Lew+bciAgjtUykf7vXhfbpLgoH2Q8HxBOtee2961EhfpuArurudRf7GE4ROXbfBLsS/D044vCYayCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:15:29.938069Z","bundle_sha256":"d34756fba66157d037d867d3f33299d440fd2e4d26d7bbc803ba5c4e5dd842e9"}}