{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IRXXPUR3IGD5WJGZCFXPSHB5PY","short_pith_number":"pith:IRXXPUR3","canonical_record":{"source":{"id":"1410.4418","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-16T13:41:51Z","cross_cats_sorted":[],"title_canon_sha256":"a21b9254020f44f36b64e4a5f660f391967a867edadc5619bf9f0f9ef5f1271b","abstract_canon_sha256":"521ad8ba22ffb3bb4e1d10af6dccbc70afcd5a03ee7eaa3de8d9777afe0327a7"},"schema_version":"1.0"},"canonical_sha256":"446f77d23b4187db24d9116ef91c3d7e2ca4b943e8cb5a3372d1541cd6f4f948","source":{"kind":"arxiv","id":"1410.4418","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.4418","created_at":"2026-05-18T01:41:44Z"},{"alias_kind":"arxiv_version","alias_value":"1410.4418v1","created_at":"2026-05-18T01:41:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.4418","created_at":"2026-05-18T01:41:44Z"},{"alias_kind":"pith_short_12","alias_value":"IRXXPUR3IGD5","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IRXXPUR3IGD5WJGZ","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IRXXPUR3","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IRXXPUR3IGD5WJGZCFXPSHB5PY","target":"record","payload":{"canonical_record":{"source":{"id":"1410.4418","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-16T13:41:51Z","cross_cats_sorted":[],"title_canon_sha256":"a21b9254020f44f36b64e4a5f660f391967a867edadc5619bf9f0f9ef5f1271b","abstract_canon_sha256":"521ad8ba22ffb3bb4e1d10af6dccbc70afcd5a03ee7eaa3de8d9777afe0327a7"},"schema_version":"1.0"},"canonical_sha256":"446f77d23b4187db24d9116ef91c3d7e2ca4b943e8cb5a3372d1541cd6f4f948","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:44.369742Z","signature_b64":"LB2dhjg55O3+yaMLRB7i4uPDzc2YZprR9xdXdsWRm6wC3Nc3buvijIEWtAwLW3EL2em2Spbpu8YHG5lbziQ+CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"446f77d23b4187db24d9116ef91c3d7e2ca4b943e8cb5a3372d1541cd6f4f948","last_reissued_at":"2026-05-18T01:41:44.369228Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:44.369228Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.4418","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":"2026-05-18T01:41:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YkqeYaSwouIdCZ7TeUgwLVAxidQhG4PKVBmKG4X5aMMYyeu1H8kzHsnvkKGCdS0q4CZajYxD7V4/8B0p2qO2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:36:52.466397Z"},"content_sha256":"b82b1c74033e780d858e5bb424aa39957946a3f146ba4a35d8267a0cbd0806e0","schema_version":"1.0","event_id":"sha256:b82b1c74033e780d858e5bb424aa39957946a3f146ba4a35d8267a0cbd0806e0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IRXXPUR3IGD5WJGZCFXPSHB5PY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"13C-methyl formate: observations of a sample of high mass star-forming regions including Orion-KL and spectroscopic characterization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alain Baudry, Cecile Favre, David Field, Didier Despois, Edwin Bergin, Isabelle Kleiner, Jean Demaison, Jes Jorgensen, Justin Neill, Laurent Margules, Miguel Carvajal, Nathalie Brouillet, Nathan Crockett, Suzanne Bisschop, Therese Huet","submitted_at":"2014-10-16T13:41:51Z","abstract_excerpt":"We have surveyed a sample of massive star-forming regions located over a range of distances from the Galactic centre for methyl formate, HCOOCH$_{3}$, and its isotopologues H$^{13}$COOCH$_{3}$ and HCOO$^{13}$CH$_{3}$. The observations were carried out with the APEX telescope in the frequency range 283.4--287.4~GHz. Based on the APEX observations, we report tentative detections of the $^{13}$C-methyl formate isotopologue HCOO$^{13}$CH$_{3}$ towards the following four massive star-forming regions: Sgr~B2(N-LMH), NGC~6334~IRS~1, W51 e2 and G19.61-0.23. In addition, we have used the 1~mm ALMA scie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.4418","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":"2026-05-18T01:41:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"68G5DV+IqSX3X1fiMXgb2VjrStTXTS7dLjBCZ/SIcyuYY9GuRrd+VuxutUfR+l6qCAn9N9x0kEmCM5bSJmTIDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:36:52.467134Z"},"content_sha256":"660ed637fcd63787af8642b01367498b3ddd6b46a7eed21ba981d12c06735cfa","schema_version":"1.0","event_id":"sha256:660ed637fcd63787af8642b01367498b3ddd6b46a7eed21ba981d12c06735cfa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IRXXPUR3IGD5WJGZCFXPSHB5PY/bundle.json","state_url":"https://pith.science/pith/IRXXPUR3IGD5WJGZCFXPSHB5PY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IRXXPUR3IGD5WJGZCFXPSHB5PY/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":"2026-05-30T22:36:52Z","links":{"resolver":"https://pith.science/pith/IRXXPUR3IGD5WJGZCFXPSHB5PY","bundle":"https://pith.science/pith/IRXXPUR3IGD5WJGZCFXPSHB5PY/bundle.json","state":"https://pith.science/pith/IRXXPUR3IGD5WJGZCFXPSHB5PY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IRXXPUR3IGD5WJGZCFXPSHB5PY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IRXXPUR3IGD5WJGZCFXPSHB5PY","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":"521ad8ba22ffb3bb4e1d10af6dccbc70afcd5a03ee7eaa3de8d9777afe0327a7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-16T13:41:51Z","title_canon_sha256":"a21b9254020f44f36b64e4a5f660f391967a867edadc5619bf9f0f9ef5f1271b"},"schema_version":"1.0","source":{"id":"1410.4418","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.4418","created_at":"2026-05-18T01:41:44Z"},{"alias_kind":"arxiv_version","alias_value":"1410.4418v1","created_at":"2026-05-18T01:41:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.4418","created_at":"2026-05-18T01:41:44Z"},{"alias_kind":"pith_short_12","alias_value":"IRXXPUR3IGD5","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IRXXPUR3IGD5WJGZ","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IRXXPUR3","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:660ed637fcd63787af8642b01367498b3ddd6b46a7eed21ba981d12c06735cfa","target":"graph","created_at":"2026-05-18T01:41:44Z","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 have surveyed a sample of massive star-forming regions located over a range of distances from the Galactic centre for methyl formate, HCOOCH$_{3}$, and its isotopologues H$^{13}$COOCH$_{3}$ and HCOO$^{13}$CH$_{3}$. The observations were carried out with the APEX telescope in the frequency range 283.4--287.4~GHz. Based on the APEX observations, we report tentative detections of the $^{13}$C-methyl formate isotopologue HCOO$^{13}$CH$_{3}$ towards the following four massive star-forming regions: Sgr~B2(N-LMH), NGC~6334~IRS~1, W51 e2 and G19.61-0.23. In addition, we have used the 1~mm ALMA scie","authors_text":"Alain Baudry, Cecile Favre, David Field, Didier Despois, Edwin Bergin, Isabelle Kleiner, Jean Demaison, Jes Jorgensen, Justin Neill, Laurent Margules, Miguel Carvajal, Nathalie Brouillet, Nathan Crockett, Suzanne Bisschop, Therese Huet","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-16T13:41:51Z","title":"13C-methyl formate: observations of a sample of high mass star-forming regions including Orion-KL and spectroscopic characterization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.4418","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:b82b1c74033e780d858e5bb424aa39957946a3f146ba4a35d8267a0cbd0806e0","target":"record","created_at":"2026-05-18T01:41:44Z","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":"521ad8ba22ffb3bb4e1d10af6dccbc70afcd5a03ee7eaa3de8d9777afe0327a7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-16T13:41:51Z","title_canon_sha256":"a21b9254020f44f36b64e4a5f660f391967a867edadc5619bf9f0f9ef5f1271b"},"schema_version":"1.0","source":{"id":"1410.4418","kind":"arxiv","version":1}},"canonical_sha256":"446f77d23b4187db24d9116ef91c3d7e2ca4b943e8cb5a3372d1541cd6f4f948","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"446f77d23b4187db24d9116ef91c3d7e2ca4b943e8cb5a3372d1541cd6f4f948","first_computed_at":"2026-05-18T01:41:44.369228Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:44.369228Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LB2dhjg55O3+yaMLRB7i4uPDzc2YZprR9xdXdsWRm6wC3Nc3buvijIEWtAwLW3EL2em2Spbpu8YHG5lbziQ+CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:44.369742Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.4418","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b82b1c74033e780d858e5bb424aa39957946a3f146ba4a35d8267a0cbd0806e0","sha256:660ed637fcd63787af8642b01367498b3ddd6b46a7eed21ba981d12c06735cfa"],"state_sha256":"199036748d328bc5d6cfd45db8bb58823ee75cd8d12a59c02cf6789a51cdb72f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+BOfwlaAVebgr1ToXe8/bNpCwxB7tgwjIss/qfA+O6O4WhcBykQNe2aTiRpjlynd7W8lUkmxJ9cVgxygF2mFDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T22:36:52.470875Z","bundle_sha256":"31dab8feed9130b433eb103d51956f14c2dc0d20b7ba64be6d83c5599971b407"}}