{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:FTQ6OYIEJF7B5R7HDCMVIIRNDI","short_pith_number":"pith:FTQ6OYIE","canonical_record":{"source":{"id":"0910.1081","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-06T19:59:49Z","cross_cats_sorted":[],"title_canon_sha256":"004862d27ced602a6d047c607e13f6c0d7cef756317b577c1209927553c6bb06","abstract_canon_sha256":"c8c5b5177cbb275e3db08f6b01b0aa89101bf1ef9d622e27428f869dfbbb4f8e"},"schema_version":"1.0"},"canonical_sha256":"2ce1e76104497e1ec7e7189954222d1a21770cafab17335b102d58e68d6ead4a","source":{"kind":"arxiv","id":"0910.1081","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.1081","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"arxiv_version","alias_value":"0910.1081v1","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.1081","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"pith_short_12","alias_value":"FTQ6OYIEJF7B","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"FTQ6OYIEJF7B5R7H","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"FTQ6OYIE","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:FTQ6OYIEJF7B5R7HDCMVIIRNDI","target":"record","payload":{"canonical_record":{"source":{"id":"0910.1081","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-06T19:59:49Z","cross_cats_sorted":[],"title_canon_sha256":"004862d27ced602a6d047c607e13f6c0d7cef756317b577c1209927553c6bb06","abstract_canon_sha256":"c8c5b5177cbb275e3db08f6b01b0aa89101bf1ef9d622e27428f869dfbbb4f8e"},"schema_version":"1.0"},"canonical_sha256":"2ce1e76104497e1ec7e7189954222d1a21770cafab17335b102d58e68d6ead4a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:19.960865Z","signature_b64":"f1SHeC80o66VMr6ZqkIJgXJq11d7oc5W9zMu8LFQ/MOtKM/nty7Lxysv0/6w0GCBC+Vx2zocOSwLlhTyxMnoBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ce1e76104497e1ec7e7189954222d1a21770cafab17335b102d58e68d6ead4a","last_reissued_at":"2026-05-18T02:34:19.960417Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:19.960417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.1081","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":"2026-05-18T02:34:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G8uho54+6Om9pXFcIYPOei1Z6NX9z3Q03B6Y6mwvzHiX9gEy0sxM8vSw8s4CQ+4HqNhNMV7WGgXMG9dZigvIBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T02:15:46.792502Z"},"content_sha256":"743274c121ed09ae6ae74c2f6a2ca9c500ae4ab19b509560cd69abb7a0fece9f","schema_version":"1.0","event_id":"sha256:743274c121ed09ae6ae74c2f6a2ca9c500ae4ab19b509560cd69abb7a0fece9f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:FTQ6OYIEJF7B5R7HDCMVIIRNDI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First Detection of the Zeeman Effect in the 36 GHz Class I methanol maser line with the EVLA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. P. Sarma, E. Momjian","submitted_at":"2009-10-06T19:59:49Z","abstract_excerpt":"We report the first detection of the Zeeman effect in the 36 GHz Class I methanol maser line. The observations were carried out with 13 antennas of the EVLA toward the high mass star forming region M8E. Based on our adopted Zeeman splitting factor of $z = 1.7 Hz/mG, we detect a line of sight magnetic field of -31.3 +/- 3.5 mG and 20.2 +/- 3.5 mG to the northwest and southeast of the maser line peak respectively. This change in sign over a 1300 AU size scale may indicate that the masers are tracing two regions with different fields, or that the same field curves across the regions where the mas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.1081","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":"2026-05-18T02:34:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0AaPCyOmzdJS0J1FlcSSdciMzwhYTL5dUcJDZl2I9RuCmVjoZD4YRk/Z9L7zZegtzaNasgSWP0Trrcai0/5OBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T02:15:46.792850Z"},"content_sha256":"8cb767bcbf81e9a8c199f6cbd56ca3f2e87e1aaa9c219afab802a00bbb9ba5c3","schema_version":"1.0","event_id":"sha256:8cb767bcbf81e9a8c199f6cbd56ca3f2e87e1aaa9c219afab802a00bbb9ba5c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FTQ6OYIEJF7B5R7HDCMVIIRNDI/bundle.json","state_url":"https://pith.science/pith/FTQ6OYIEJF7B5R7HDCMVIIRNDI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FTQ6OYIEJF7B5R7HDCMVIIRNDI/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":"2026-06-27T02:15:46Z","links":{"resolver":"https://pith.science/pith/FTQ6OYIEJF7B5R7HDCMVIIRNDI","bundle":"https://pith.science/pith/FTQ6OYIEJF7B5R7HDCMVIIRNDI/bundle.json","state":"https://pith.science/pith/FTQ6OYIEJF7B5R7HDCMVIIRNDI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FTQ6OYIEJF7B5R7HDCMVIIRNDI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:FTQ6OYIEJF7B5R7HDCMVIIRNDI","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":"c8c5b5177cbb275e3db08f6b01b0aa89101bf1ef9d622e27428f869dfbbb4f8e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-06T19:59:49Z","title_canon_sha256":"004862d27ced602a6d047c607e13f6c0d7cef756317b577c1209927553c6bb06"},"schema_version":"1.0","source":{"id":"0910.1081","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.1081","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"arxiv_version","alias_value":"0910.1081v1","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.1081","created_at":"2026-05-18T02:34:19Z"},{"alias_kind":"pith_short_12","alias_value":"FTQ6OYIEJF7B","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"FTQ6OYIEJF7B5R7H","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"FTQ6OYIE","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:8cb767bcbf81e9a8c199f6cbd56ca3f2e87e1aaa9c219afab802a00bbb9ba5c3","target":"graph","created_at":"2026-05-18T02:34:19Z","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 report the first detection of the Zeeman effect in the 36 GHz Class I methanol maser line. The observations were carried out with 13 antennas of the EVLA toward the high mass star forming region M8E. Based on our adopted Zeeman splitting factor of $z = 1.7 Hz/mG, we detect a line of sight magnetic field of -31.3 +/- 3.5 mG and 20.2 +/- 3.5 mG to the northwest and southeast of the maser line peak respectively. This change in sign over a 1300 AU size scale may indicate that the masers are tracing two regions with different fields, or that the same field curves across the regions where the mas","authors_text":"A. P. Sarma, E. Momjian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-06T19:59:49Z","title":"First Detection of the Zeeman Effect in the 36 GHz Class I methanol maser line with the EVLA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.1081","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":"sha256:743274c121ed09ae6ae74c2f6a2ca9c500ae4ab19b509560cd69abb7a0fece9f","target":"record","created_at":"2026-05-18T02:34:19Z","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":"c8c5b5177cbb275e3db08f6b01b0aa89101bf1ef9d622e27428f869dfbbb4f8e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-06T19:59:49Z","title_canon_sha256":"004862d27ced602a6d047c607e13f6c0d7cef756317b577c1209927553c6bb06"},"schema_version":"1.0","source":{"id":"0910.1081","kind":"arxiv","version":1}},"canonical_sha256":"2ce1e76104497e1ec7e7189954222d1a21770cafab17335b102d58e68d6ead4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ce1e76104497e1ec7e7189954222d1a21770cafab17335b102d58e68d6ead4a","first_computed_at":"2026-05-18T02:34:19.960417Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:19.960417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f1SHeC80o66VMr6ZqkIJgXJq11d7oc5W9zMu8LFQ/MOtKM/nty7Lxysv0/6w0GCBC+Vx2zocOSwLlhTyxMnoBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:19.960865Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.1081","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:743274c121ed09ae6ae74c2f6a2ca9c500ae4ab19b509560cd69abb7a0fece9f","sha256:8cb767bcbf81e9a8c199f6cbd56ca3f2e87e1aaa9c219afab802a00bbb9ba5c3"],"state_sha256":"4044737436005547dc9a7523ac59c0d58a16d1c38c1f53342c375c5565e2d3d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"59w84hRgo4FaoykJDhuGgkAxc02Ko+ZIXoPoyHBKn8U67q8VbxRPS38aQ7UifjgD2rg6rXwE7O98SuAaVDMCAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T02:15:46.794706Z","bundle_sha256":"e7d409225c6e9b7a3e167e20c0049c0b251053dc986758d28399e451303fe627"}}