{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XEO5TOV7U62EYXJFR6KGMEU6PM","short_pith_number":"pith:XEO5TOV7","canonical_record":{"source":{"id":"1601.01084","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-06T05:54:56Z","cross_cats_sorted":[],"title_canon_sha256":"f8c524bc9b96ebd9c8df386f09cab49ccecffb3fdb6fb3fae8e9f7f53f65c0a5","abstract_canon_sha256":"ea1b11ee58950c00dff3e41ddc8dd0d4ae92d3118f6e4285f0492cb0e271b14d"},"schema_version":"1.0"},"canonical_sha256":"b91dd9babfa7b44c5d258f9466129e7b353eca5db6e75beed1e2eacbd553437b","source":{"kind":"arxiv","id":"1601.01084","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01084","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01084v1","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01084","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"pith_short_12","alias_value":"XEO5TOV7U62E","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XEO5TOV7U62EYXJF","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XEO5TOV7","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XEO5TOV7U62EYXJFR6KGMEU6PM","target":"record","payload":{"canonical_record":{"source":{"id":"1601.01084","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-06T05:54:56Z","cross_cats_sorted":[],"title_canon_sha256":"f8c524bc9b96ebd9c8df386f09cab49ccecffb3fdb6fb3fae8e9f7f53f65c0a5","abstract_canon_sha256":"ea1b11ee58950c00dff3e41ddc8dd0d4ae92d3118f6e4285f0492cb0e271b14d"},"schema_version":"1.0"},"canonical_sha256":"b91dd9babfa7b44c5d258f9466129e7b353eca5db6e75beed1e2eacbd553437b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:40.581779Z","signature_b64":"J2Va9sAruGoUA+mlqQhH6eV+jHQ3wLdEooPowg9gBGFwn9L2tzfpnVnJTJSCTVb/lSxqfD4Obh4X0qOGN+xFDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b91dd9babfa7b44c5d258f9466129e7b353eca5db6e75beed1e2eacbd553437b","last_reissued_at":"2026-05-18T01:20:40.581160Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:40.581160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.01084","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":"2026-05-18T01:20:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nCawUKrqTeQe0JazU3wqyf7KEI0XlhqzSXp2VaqvkRPMQuzLka4Vmzf+/qWNm5XwvwDy+jo18VF5NhxdTIRiCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:31:41.598339Z"},"content_sha256":"d173af1277dbcff32ff20ec28afd6b6d4904223716bc657dd0bb9b3ddc840920","schema_version":"1.0","event_id":"sha256:d173af1277dbcff32ff20ec28afd6b6d4904223716bc657dd0bb9b3ddc840920"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XEO5TOV7U62EYXJFR6KGMEU6PM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Catalog of Methanol Masers in Massive Star-forming Regions. III. The Molecular Outflow Sample","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. I. G\\'omez-Ruiz, E. D. Araya, L. Loinard, P. Hofner, S. E. Kurtz","submitted_at":"2016-01-06T05:54:56Z","abstract_excerpt":"We present an interferometric survey of the 44 GHz class I methanol maser transition toward a sample of 69 sources consisting of High Mass Protostellar Object candidates and Ultracompact (UC) H II regions. We found a 38% detection rate (16 of 42) in the HMPO candidates and a 54% detection rate (13 of 24) for the regions with ionized gas. This result indicates that class I methanol maser emission is more common toward more evolved young stellar objects of our sample. Comparing with similar interferometric data sets, our observations show narrower linewidths, likely due to our higher spatial res"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01084","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":"2026-05-18T01:20:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N567i4AfPdfcLW/SSZYo8xC89tQHWrLWbLTmO+5vw1/uDflb3dRCGons20G5lBGFvXT5IsYjO3rqNdQ/Rxn1Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:31:41.598694Z"},"content_sha256":"95bb171c74dbec99a68b4ff147695ceee0dd348eb5ff67e2cf90a5542ba130ec","schema_version":"1.0","event_id":"sha256:95bb171c74dbec99a68b4ff147695ceee0dd348eb5ff67e2cf90a5542ba130ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XEO5TOV7U62EYXJFR6KGMEU6PM/bundle.json","state_url":"https://pith.science/pith/XEO5TOV7U62EYXJFR6KGMEU6PM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XEO5TOV7U62EYXJFR6KGMEU6PM/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":"2026-05-28T10:31:41Z","links":{"resolver":"https://pith.science/pith/XEO5TOV7U62EYXJFR6KGMEU6PM","bundle":"https://pith.science/pith/XEO5TOV7U62EYXJFR6KGMEU6PM/bundle.json","state":"https://pith.science/pith/XEO5TOV7U62EYXJFR6KGMEU6PM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XEO5TOV7U62EYXJFR6KGMEU6PM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XEO5TOV7U62EYXJFR6KGMEU6PM","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":"ea1b11ee58950c00dff3e41ddc8dd0d4ae92d3118f6e4285f0492cb0e271b14d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-06T05:54:56Z","title_canon_sha256":"f8c524bc9b96ebd9c8df386f09cab49ccecffb3fdb6fb3fae8e9f7f53f65c0a5"},"schema_version":"1.0","source":{"id":"1601.01084","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01084","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01084v1","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01084","created_at":"2026-05-18T01:20:40Z"},{"alias_kind":"pith_short_12","alias_value":"XEO5TOV7U62E","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XEO5TOV7U62EYXJF","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XEO5TOV7","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:95bb171c74dbec99a68b4ff147695ceee0dd348eb5ff67e2cf90a5542ba130ec","target":"graph","created_at":"2026-05-18T01:20:40Z","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 an interferometric survey of the 44 GHz class I methanol maser transition toward a sample of 69 sources consisting of High Mass Protostellar Object candidates and Ultracompact (UC) H II regions. We found a 38% detection rate (16 of 42) in the HMPO candidates and a 54% detection rate (13 of 24) for the regions with ionized gas. This result indicates that class I methanol maser emission is more common toward more evolved young stellar objects of our sample. Comparing with similar interferometric data sets, our observations show narrower linewidths, likely due to our higher spatial res","authors_text":"A. I. G\\'omez-Ruiz, E. D. Araya, L. Loinard, P. Hofner, S. E. Kurtz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-06T05:54:56Z","title":"A Catalog of Methanol Masers in Massive Star-forming Regions. III. The Molecular Outflow Sample"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01084","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:d173af1277dbcff32ff20ec28afd6b6d4904223716bc657dd0bb9b3ddc840920","target":"record","created_at":"2026-05-18T01:20:40Z","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":"ea1b11ee58950c00dff3e41ddc8dd0d4ae92d3118f6e4285f0492cb0e271b14d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-06T05:54:56Z","title_canon_sha256":"f8c524bc9b96ebd9c8df386f09cab49ccecffb3fdb6fb3fae8e9f7f53f65c0a5"},"schema_version":"1.0","source":{"id":"1601.01084","kind":"arxiv","version":1}},"canonical_sha256":"b91dd9babfa7b44c5d258f9466129e7b353eca5db6e75beed1e2eacbd553437b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b91dd9babfa7b44c5d258f9466129e7b353eca5db6e75beed1e2eacbd553437b","first_computed_at":"2026-05-18T01:20:40.581160Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:40.581160Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J2Va9sAruGoUA+mlqQhH6eV+jHQ3wLdEooPowg9gBGFwn9L2tzfpnVnJTJSCTVb/lSxqfD4Obh4X0qOGN+xFDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:40.581779Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.01084","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d173af1277dbcff32ff20ec28afd6b6d4904223716bc657dd0bb9b3ddc840920","sha256:95bb171c74dbec99a68b4ff147695ceee0dd348eb5ff67e2cf90a5542ba130ec"],"state_sha256":"539000b85c86dd01fb0d5c8d674e65f4e7999e2b664e0f3de44acf8243713848"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V+LR56YiQ5nohRn0kw9iUCYcIwwKFdyrw19CxgcB4KS3fzXjk1DV2H/drp7ZiDQujlQquJ8uhnkDysuWEp0pDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:31:41.600668Z","bundle_sha256":"e1f478a4da0944c769be8bf166d2543ebe2ff11dfec84f2b802bcf0e93517c3c"}}