{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:3JWBCQQ4LYOS7RHI23SXIXENZD","short_pith_number":"pith:3JWBCQQ4","canonical_record":{"source":{"id":"1903.11105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-26T18:29:35Z","cross_cats_sorted":[],"title_canon_sha256":"37bb733804d2a4dce3fc8813b43cc69310ae8a11cc4ff96c7a818116ee472ddb","abstract_canon_sha256":"094571c8ecd65b968b47093f705565f97d47c793183b2fa1285d822bbd229ad3"},"schema_version":"1.0"},"canonical_sha256":"da6c11421c5e1d2fc4e8d6e5745c8dc8d55e762716f2a71c28ee52c95d616412","source":{"kind":"arxiv","id":"1903.11105","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.11105","created_at":"2026-05-17T23:46:18Z"},{"alias_kind":"arxiv_version","alias_value":"1903.11105v1","created_at":"2026-05-17T23:46:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11105","created_at":"2026-05-17T23:46:18Z"},{"alias_kind":"pith_short_12","alias_value":"3JWBCQQ4LYOS","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"3JWBCQQ4LYOS7RHI","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"3JWBCQQ4","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:3JWBCQQ4LYOS7RHI23SXIXENZD","target":"record","payload":{"canonical_record":{"source":{"id":"1903.11105","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-26T18:29:35Z","cross_cats_sorted":[],"title_canon_sha256":"37bb733804d2a4dce3fc8813b43cc69310ae8a11cc4ff96c7a818116ee472ddb","abstract_canon_sha256":"094571c8ecd65b968b47093f705565f97d47c793183b2fa1285d822bbd229ad3"},"schema_version":"1.0"},"canonical_sha256":"da6c11421c5e1d2fc4e8d6e5745c8dc8d55e762716f2a71c28ee52c95d616412","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:18.113110Z","signature_b64":"DtyxsVqRC4w8ICDZSN5j1xCTJCK3nmc/nqU2IIhA4XJ3X7M5GjjBPDKhw7ZVfgCTBZcU83HlYr248OS1UeCZAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da6c11421c5e1d2fc4e8d6e5745c8dc8d55e762716f2a71c28ee52c95d616412","last_reissued_at":"2026-05-17T23:46:18.112491Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:18.112491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.11105","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":"2026-05-17T23:46:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MmnF8GUNi44+Q7jdKR6ll/DNNKj2gSmhU7d0f6CLHGRDRf9Wy9xrD5XCiW5SoykxcWb2husnx9ubgIfyaOSkAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:54:16.203490Z"},"content_sha256":"d4f7f3f4a5a531c8b3a963d3f32f50a5c6c4dd6f9c31dfb6ece03e6aafd22cca","schema_version":"1.0","event_id":"sha256:d4f7f3f4a5a531c8b3a963d3f32f50a5c6c4dd6f9c31dfb6ece03e6aafd22cca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:3JWBCQQ4LYOS7RHI23SXIXENZD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sulfur chemistry in protoplanetary disks: CS and H2CS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Jamila Pegues, Jennifer B. Bergner, Karin I. \\\"Oberg, Romane Le Gal, Ryan Loomis","submitted_at":"2019-03-26T18:29:35Z","abstract_excerpt":"The nature and abundance of sulfur chemistry in protoplanetary disks (PPDs) may impact the sulfur inventory on young planets and therefore their habitability. PPDs also present an interesting test bed for sulfur chemistry models, since each disk present a diverse set of environments. In this context, we present new sulfur molecule observations in PPDs, and new S-disk chemistry models. With ALMA we observed the CS 5-4 rotational transition toward five PPDs (DM Tau, DO Tau, CI Tau, LkCa 15, MWC 480), and the CS 6-5 transition toward three PPDs (LkCa 15, MWC 480 and V4046 Sgr). Across this sample"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11105","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":"2026-05-17T23:46:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p0ucYF76SAnP9LZGYmKXCDtAf5QiZ+MOWKkebXLHXTYanCchvDOJ2zdyo9jZ2iJOHLs40ZXe+2OoAUEE0Yn/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:54:16.204209Z"},"content_sha256":"04804721cd911ead4b677c95085bdc66f96226a5e407680275aa2c4008a61dc1","schema_version":"1.0","event_id":"sha256:04804721cd911ead4b677c95085bdc66f96226a5e407680275aa2c4008a61dc1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3JWBCQQ4LYOS7RHI23SXIXENZD/bundle.json","state_url":"https://pith.science/pith/3JWBCQQ4LYOS7RHI23SXIXENZD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3JWBCQQ4LYOS7RHI23SXIXENZD/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":"2026-05-26T06:54:16Z","links":{"resolver":"https://pith.science/pith/3JWBCQQ4LYOS7RHI23SXIXENZD","bundle":"https://pith.science/pith/3JWBCQQ4LYOS7RHI23SXIXENZD/bundle.json","state":"https://pith.science/pith/3JWBCQQ4LYOS7RHI23SXIXENZD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3JWBCQQ4LYOS7RHI23SXIXENZD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:3JWBCQQ4LYOS7RHI23SXIXENZD","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":"094571c8ecd65b968b47093f705565f97d47c793183b2fa1285d822bbd229ad3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-26T18:29:35Z","title_canon_sha256":"37bb733804d2a4dce3fc8813b43cc69310ae8a11cc4ff96c7a818116ee472ddb"},"schema_version":"1.0","source":{"id":"1903.11105","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.11105","created_at":"2026-05-17T23:46:18Z"},{"alias_kind":"arxiv_version","alias_value":"1903.11105v1","created_at":"2026-05-17T23:46:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11105","created_at":"2026-05-17T23:46:18Z"},{"alias_kind":"pith_short_12","alias_value":"3JWBCQQ4LYOS","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"3JWBCQQ4LYOS7RHI","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"3JWBCQQ4","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:04804721cd911ead4b677c95085bdc66f96226a5e407680275aa2c4008a61dc1","target":"graph","created_at":"2026-05-17T23:46:18Z","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":"The nature and abundance of sulfur chemistry in protoplanetary disks (PPDs) may impact the sulfur inventory on young planets and therefore their habitability. PPDs also present an interesting test bed for sulfur chemistry models, since each disk present a diverse set of environments. In this context, we present new sulfur molecule observations in PPDs, and new S-disk chemistry models. With ALMA we observed the CS 5-4 rotational transition toward five PPDs (DM Tau, DO Tau, CI Tau, LkCa 15, MWC 480), and the CS 6-5 transition toward three PPDs (LkCa 15, MWC 480 and V4046 Sgr). Across this sample","authors_text":"Jamila Pegues, Jennifer B. Bergner, Karin I. \\\"Oberg, Romane Le Gal, Ryan Loomis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-26T18:29:35Z","title":"Sulfur chemistry in protoplanetary disks: CS and H2CS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11105","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:d4f7f3f4a5a531c8b3a963d3f32f50a5c6c4dd6f9c31dfb6ece03e6aafd22cca","target":"record","created_at":"2026-05-17T23:46:18Z","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":"094571c8ecd65b968b47093f705565f97d47c793183b2fa1285d822bbd229ad3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-26T18:29:35Z","title_canon_sha256":"37bb733804d2a4dce3fc8813b43cc69310ae8a11cc4ff96c7a818116ee472ddb"},"schema_version":"1.0","source":{"id":"1903.11105","kind":"arxiv","version":1}},"canonical_sha256":"da6c11421c5e1d2fc4e8d6e5745c8dc8d55e762716f2a71c28ee52c95d616412","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da6c11421c5e1d2fc4e8d6e5745c8dc8d55e762716f2a71c28ee52c95d616412","first_computed_at":"2026-05-17T23:46:18.112491Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:18.112491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DtyxsVqRC4w8ICDZSN5j1xCTJCK3nmc/nqU2IIhA4XJ3X7M5GjjBPDKhw7ZVfgCTBZcU83HlYr248OS1UeCZAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:18.113110Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.11105","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4f7f3f4a5a531c8b3a963d3f32f50a5c6c4dd6f9c31dfb6ece03e6aafd22cca","sha256:04804721cd911ead4b677c95085bdc66f96226a5e407680275aa2c4008a61dc1"],"state_sha256":"08ee95764660b8a87d27411a136eec85d98a9dfde779e86a22a720635a7cd949"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bgLTVOid1WGRBAyYvmCNpR5iGGWQW6UwXbWE5Q02W/sqy2cnrpDIQ+KaWvBvWK1q3VaU7CcHio7GEbt/6ZkVAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T06:54:16.208165Z","bundle_sha256":"a8cf933847420799f0cb808bcd5d71dcfaafa3ebb0fd2b505a5677edcbdbe547"}}