{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:MN5ARKTWAT4GL3RH4P3NEDWOJB","short_pith_number":"pith:MN5ARKTW","canonical_record":{"source":{"id":"1206.2762","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-06-13T10:45:32Z","cross_cats_sorted":[],"title_canon_sha256":"e2d6c20979f296debd77a2d30c136fc751a43f2080fd9fed40a18251a2936b6a","abstract_canon_sha256":"09203b70f66366fe2c65eb8effc0344c965460c3059df7e267ccc4c36d87461a"},"schema_version":"1.0"},"canonical_sha256":"637a08aa7604f865ee27e3f6d20ece48776699ea5a43b05f00b2bbb5a2d96572","source":{"kind":"arxiv","id":"1206.2762","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.2762","created_at":"2026-05-18T03:53:43Z"},{"alias_kind":"arxiv_version","alias_value":"1206.2762v1","created_at":"2026-05-18T03:53:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.2762","created_at":"2026-05-18T03:53:43Z"},{"alias_kind":"pith_short_12","alias_value":"MN5ARKTWAT4G","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MN5ARKTWAT4GL3RH","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MN5ARKTW","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:MN5ARKTWAT4GL3RH4P3NEDWOJB","target":"record","payload":{"canonical_record":{"source":{"id":"1206.2762","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-06-13T10:45:32Z","cross_cats_sorted":[],"title_canon_sha256":"e2d6c20979f296debd77a2d30c136fc751a43f2080fd9fed40a18251a2936b6a","abstract_canon_sha256":"09203b70f66366fe2c65eb8effc0344c965460c3059df7e267ccc4c36d87461a"},"schema_version":"1.0"},"canonical_sha256":"637a08aa7604f865ee27e3f6d20ece48776699ea5a43b05f00b2bbb5a2d96572","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:53:43.162804Z","signature_b64":"2SxVOQEdV1MsgMDM9nSHFmuhOBbYFWgmO/IHY7+QVcPhnNJ9H/S1udm4NzUgyqz2KHXcsaO+ADyTUUN09cYzBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"637a08aa7604f865ee27e3f6d20ece48776699ea5a43b05f00b2bbb5a2d96572","last_reissued_at":"2026-05-18T03:53:43.162248Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:53:43.162248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.2762","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":"2026-05-18T03:53:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J82MkJ84vNgJwwxFUNYYcJdNJrEji8bK/PUQXTzfShlHnO31xtwXPjoLEOc36G+QYq4SSPe5oPLjzfsQZ3LNBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T07:30:52.083960Z"},"content_sha256":"6ceebcf186671de0a9c157341fac306ed019740bec3f1fe52adc12d3763ab13e","schema_version":"1.0","event_id":"sha256:6ceebcf186671de0a9c157341fac306ed019740bec3f1fe52adc12d3763ab13e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:MN5ARKTWAT4GL3RH4P3NEDWOJB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The infrared dust bubble N22: an expanding HII region and the star formation around it","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"G. Wu, J. Esimbek, J. J. Zhou, W. G. Ji, X. D. Tang, Y. F. Wu","submitted_at":"2012-06-13T10:45:32Z","abstract_excerpt":"Aims. To increase the observational samples of star formation around expanding Hii regions, we analyzed the interstellar medium and star formation around N22.\n  Methods. We used data extracted from the seven large-scale surveys from infrared to radio wavelengths. In addition we used the JCMT observations of the J = 3-2 line of 12CO emission data released on CADC and the 12CO J = 2-1 and J =3-2 lines observed by the KOSMA 3 m telescope. We performed a multiwavelength study of bubble N22.\n  Results. A molecular shell composed of several clumps agrees very well with the border of N22, suggesting "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.2762","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":"2026-05-18T03:53:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"71KIFDWn/nKp6N/HNweckMCGioawhcPvLT+RQ0yozsC3LwUdn4eh/67EDwTre6hXzLRRvCShtGt82uEelasfCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T07:30:52.084689Z"},"content_sha256":"297a65af136fe8d4f0345c6829234aee71e7d6f230f218a7d5297156d9500604","schema_version":"1.0","event_id":"sha256:297a65af136fe8d4f0345c6829234aee71e7d6f230f218a7d5297156d9500604"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MN5ARKTWAT4GL3RH4P3NEDWOJB/bundle.json","state_url":"https://pith.science/pith/MN5ARKTWAT4GL3RH4P3NEDWOJB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MN5ARKTWAT4GL3RH4P3NEDWOJB/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":"2026-05-23T07:30:52Z","links":{"resolver":"https://pith.science/pith/MN5ARKTWAT4GL3RH4P3NEDWOJB","bundle":"https://pith.science/pith/MN5ARKTWAT4GL3RH4P3NEDWOJB/bundle.json","state":"https://pith.science/pith/MN5ARKTWAT4GL3RH4P3NEDWOJB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MN5ARKTWAT4GL3RH4P3NEDWOJB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MN5ARKTWAT4GL3RH4P3NEDWOJB","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":"09203b70f66366fe2c65eb8effc0344c965460c3059df7e267ccc4c36d87461a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-06-13T10:45:32Z","title_canon_sha256":"e2d6c20979f296debd77a2d30c136fc751a43f2080fd9fed40a18251a2936b6a"},"schema_version":"1.0","source":{"id":"1206.2762","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.2762","created_at":"2026-05-18T03:53:43Z"},{"alias_kind":"arxiv_version","alias_value":"1206.2762v1","created_at":"2026-05-18T03:53:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.2762","created_at":"2026-05-18T03:53:43Z"},{"alias_kind":"pith_short_12","alias_value":"MN5ARKTWAT4G","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MN5ARKTWAT4GL3RH","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MN5ARKTW","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:297a65af136fe8d4f0345c6829234aee71e7d6f230f218a7d5297156d9500604","target":"graph","created_at":"2026-05-18T03:53:43Z","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":"Aims. To increase the observational samples of star formation around expanding Hii regions, we analyzed the interstellar medium and star formation around N22.\n  Methods. We used data extracted from the seven large-scale surveys from infrared to radio wavelengths. In addition we used the JCMT observations of the J = 3-2 line of 12CO emission data released on CADC and the 12CO J = 2-1 and J =3-2 lines observed by the KOSMA 3 m telescope. We performed a multiwavelength study of bubble N22.\n  Results. A molecular shell composed of several clumps agrees very well with the border of N22, suggesting ","authors_text":"G. Wu, J. Esimbek, J. J. Zhou, W. G. Ji, X. D. Tang, Y. F. Wu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-06-13T10:45:32Z","title":"The infrared dust bubble N22: an expanding HII region and the star formation around it"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.2762","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":"sha256:6ceebcf186671de0a9c157341fac306ed019740bec3f1fe52adc12d3763ab13e","target":"record","created_at":"2026-05-18T03:53:43Z","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":"09203b70f66366fe2c65eb8effc0344c965460c3059df7e267ccc4c36d87461a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-06-13T10:45:32Z","title_canon_sha256":"e2d6c20979f296debd77a2d30c136fc751a43f2080fd9fed40a18251a2936b6a"},"schema_version":"1.0","source":{"id":"1206.2762","kind":"arxiv","version":1}},"canonical_sha256":"637a08aa7604f865ee27e3f6d20ece48776699ea5a43b05f00b2bbb5a2d96572","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"637a08aa7604f865ee27e3f6d20ece48776699ea5a43b05f00b2bbb5a2d96572","first_computed_at":"2026-05-18T03:53:43.162248Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:53:43.162248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2SxVOQEdV1MsgMDM9nSHFmuhOBbYFWgmO/IHY7+QVcPhnNJ9H/S1udm4NzUgyqz2KHXcsaO+ADyTUUN09cYzBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:53:43.162804Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.2762","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ceebcf186671de0a9c157341fac306ed019740bec3f1fe52adc12d3763ab13e","sha256:297a65af136fe8d4f0345c6829234aee71e7d6f230f218a7d5297156d9500604"],"state_sha256":"1f0d841335cf16d15791da6423f91679f2158c2a0056fd75ea8b3eefb71447f7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"du//Gl78AeX1UWV53jSIcQobIbvGEv0qO2aSR12nb6oDFzxVXpV+O7AdPAlwhPE5K2ffetZgE9cyidjvfcutDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T07:30:52.087757Z","bundle_sha256":"7ee7a31a9214f8639eb1217582c3f96a8b47fe3114d18d885f4ab79ecc455d47"}}