{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:XNUIJPNUG4JGHEUAJT3Z2YCCLG","short_pith_number":"pith:XNUIJPNU","canonical_record":{"source":{"id":"1904.12489","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-29T08:16:29Z","cross_cats_sorted":[],"title_canon_sha256":"b3ae8bf0c82a7270c99af9e7a51dfd6903fe69dab413b5d587ced7d9cb402ca7","abstract_canon_sha256":"78e7bf81e3cdc1cbd34db3b37e9cfb12efaece4ab655271f5371eb4e62ea1a1d"},"schema_version":"1.0"},"canonical_sha256":"bb6884bdb437126392804cf79d6042599d5824481eb4794002a6d6d134b62316","source":{"kind":"arxiv","id":"1904.12489","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.12489","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"arxiv_version","alias_value":"1904.12489v1","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.12489","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"pith_short_12","alias_value":"XNUIJPNUG4JG","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XNUIJPNUG4JGHEUA","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XNUIJPNU","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:XNUIJPNUG4JGHEUAJT3Z2YCCLG","target":"record","payload":{"canonical_record":{"source":{"id":"1904.12489","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-29T08:16:29Z","cross_cats_sorted":[],"title_canon_sha256":"b3ae8bf0c82a7270c99af9e7a51dfd6903fe69dab413b5d587ced7d9cb402ca7","abstract_canon_sha256":"78e7bf81e3cdc1cbd34db3b37e9cfb12efaece4ab655271f5371eb4e62ea1a1d"},"schema_version":"1.0"},"canonical_sha256":"bb6884bdb437126392804cf79d6042599d5824481eb4794002a6d6d134b62316","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:35.057339Z","signature_b64":"npFkAkGV3oCT756c/MKudgLYj8mZ5NgRyJiqBBgUDJLMiiklNOo1BpVM522lPdE2qcKIvq8JwRPOITJbBGsIAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb6884bdb437126392804cf79d6042599d5824481eb4794002a6d6d134b62316","last_reissued_at":"2026-05-17T23:47:35.056745Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:35.056745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.12489","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":"2026-05-17T23:47:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3j8JnrQTyXYZ1d0eIjr6IUXMSeMfxmMaqYpGsGGtRgOpJTDgLpwGZRK5lbAAljTCwhe3DG5aV1dwiPVmOnvDAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:58:15.949101Z"},"content_sha256":"b06205b49cffe752ba4171975941c61eaafd181b8e4c570cb1f75a8fbe3a60ad","schema_version":"1.0","event_id":"sha256:b06205b49cffe752ba4171975941c61eaafd181b8e4c570cb1f75a8fbe3a60ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:XNUIJPNUG4JGHEUAJT3Z2YCCLG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A 6.7 GHz Methanol Maser Survey at High Galactic Latitudes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Dong-Rong Jiang, Hai-Hua Qiao, Jian Dong, Juan Li, Jun-Zhi Wang, Kai Yang, Xiao-Qiong Li, Xi Chen, Ya-Jun Wu, Zhi-Qiang Shen, Zhiyuan Ren","submitted_at":"2019-04-29T08:16:29Z","abstract_excerpt":"We performed a systematic 6.7 GHz Class \\uppercase\\expandafter{\\romannumeral2} methanol maser survey using the Shanghai Tianma Radio Telescope toward targets selected from the all-sky \\emph{Wide-Field Infrared Survey Explorer (WISE)} point catalog. In this paper, we report the results from the survey of those at high Galactic latitudes, i.e. $|b|>$ 2$^\\circ$. Of 1473 selected \\emph{WISE} point sources at high latitude, 17 point positions that were actually associated with 12 sources were detected with maser emission, reflecting the rarity (1$-$2\\%) of methanol masers in the region away from th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.12489","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":"2026-05-17T23:47:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xdPaIgUmK949QnzSHflxHyveUuxBsCj+BZa+zC0i5dUYHbJiZzqlkZnQTLak7nug2vPJJF+GsBm5Ss/jhGDKBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:58:15.949485Z"},"content_sha256":"4626d57889e8536cf6755dcfaba3e5fdd75595143cdd3cc37ca90a6f79bf81b5","schema_version":"1.0","event_id":"sha256:4626d57889e8536cf6755dcfaba3e5fdd75595143cdd3cc37ca90a6f79bf81b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XNUIJPNUG4JGHEUAJT3Z2YCCLG/bundle.json","state_url":"https://pith.science/pith/XNUIJPNUG4JGHEUAJT3Z2YCCLG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XNUIJPNUG4JGHEUAJT3Z2YCCLG/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":"2026-05-25T19:58:15Z","links":{"resolver":"https://pith.science/pith/XNUIJPNUG4JGHEUAJT3Z2YCCLG","bundle":"https://pith.science/pith/XNUIJPNUG4JGHEUAJT3Z2YCCLG/bundle.json","state":"https://pith.science/pith/XNUIJPNUG4JGHEUAJT3Z2YCCLG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XNUIJPNUG4JGHEUAJT3Z2YCCLG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:XNUIJPNUG4JGHEUAJT3Z2YCCLG","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":"78e7bf81e3cdc1cbd34db3b37e9cfb12efaece4ab655271f5371eb4e62ea1a1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-29T08:16:29Z","title_canon_sha256":"b3ae8bf0c82a7270c99af9e7a51dfd6903fe69dab413b5d587ced7d9cb402ca7"},"schema_version":"1.0","source":{"id":"1904.12489","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.12489","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"arxiv_version","alias_value":"1904.12489v1","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.12489","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"pith_short_12","alias_value":"XNUIJPNUG4JG","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XNUIJPNUG4JGHEUA","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XNUIJPNU","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:4626d57889e8536cf6755dcfaba3e5fdd75595143cdd3cc37ca90a6f79bf81b5","target":"graph","created_at":"2026-05-17T23:47:35Z","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 performed a systematic 6.7 GHz Class \\uppercase\\expandafter{\\romannumeral2} methanol maser survey using the Shanghai Tianma Radio Telescope toward targets selected from the all-sky \\emph{Wide-Field Infrared Survey Explorer (WISE)} point catalog. In this paper, we report the results from the survey of those at high Galactic latitudes, i.e. $|b|>$ 2$^\\circ$. Of 1473 selected \\emph{WISE} point sources at high latitude, 17 point positions that were actually associated with 12 sources were detected with maser emission, reflecting the rarity (1$-$2\\%) of methanol masers in the region away from th","authors_text":"Dong-Rong Jiang, Hai-Hua Qiao, Jian Dong, Juan Li, Jun-Zhi Wang, Kai Yang, Xiao-Qiong Li, Xi Chen, Ya-Jun Wu, Zhi-Qiang Shen, Zhiyuan Ren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-29T08:16:29Z","title":"A 6.7 GHz Methanol Maser Survey at High Galactic Latitudes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.12489","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:b06205b49cffe752ba4171975941c61eaafd181b8e4c570cb1f75a8fbe3a60ad","target":"record","created_at":"2026-05-17T23:47:35Z","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":"78e7bf81e3cdc1cbd34db3b37e9cfb12efaece4ab655271f5371eb4e62ea1a1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-29T08:16:29Z","title_canon_sha256":"b3ae8bf0c82a7270c99af9e7a51dfd6903fe69dab413b5d587ced7d9cb402ca7"},"schema_version":"1.0","source":{"id":"1904.12489","kind":"arxiv","version":1}},"canonical_sha256":"bb6884bdb437126392804cf79d6042599d5824481eb4794002a6d6d134b62316","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb6884bdb437126392804cf79d6042599d5824481eb4794002a6d6d134b62316","first_computed_at":"2026-05-17T23:47:35.056745Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:35.056745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"npFkAkGV3oCT756c/MKudgLYj8mZ5NgRyJiqBBgUDJLMiiklNOo1BpVM522lPdE2qcKIvq8JwRPOITJbBGsIAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:35.057339Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.12489","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b06205b49cffe752ba4171975941c61eaafd181b8e4c570cb1f75a8fbe3a60ad","sha256:4626d57889e8536cf6755dcfaba3e5fdd75595143cdd3cc37ca90a6f79bf81b5"],"state_sha256":"caced837b4288ccbfc3c12f3871822ca8999aebc357d3216716c1069a9cb9078"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dWZ9SeY7Qn6hjdt6lw7GGdOZ3UjKZu1lPk+khEHdfvJ79JJLZ38UzqIrx9R+AjA7uciKgFWMXqa0LTiZ7vjxAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:58:15.951857Z","bundle_sha256":"572a1b5fc865b88a02c3b829438db9475bddd79589dd97d672611312f8c9f0ca"}}