{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:JPIHFNESFPAZEKIZLSL2GN2ERD","short_pith_number":"pith:JPIHFNES","canonical_record":{"source":{"id":"1602.07707","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-02-24T21:02:12Z","cross_cats_sorted":[],"title_canon_sha256":"f20c201fa54a04ffd54ffba5d92e504e5a3856f53b57e2ce581cca23581b545a","abstract_canon_sha256":"2eb4aaf5cafcc070f9bc8654c247eb37b6f8f6b04e5d62ef25876c97be23e5e4"},"schema_version":"1.0"},"canonical_sha256":"4bd072b4922bc19229195c97a3374488e0312ed3df58d075d1fbe300176b0676","source":{"kind":"arxiv","id":"1602.07707","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.07707","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1602.07707v1","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.07707","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"JPIHFNESFPAZ","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JPIHFNESFPAZEKIZ","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JPIHFNES","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:JPIHFNESFPAZEKIZLSL2GN2ERD","target":"record","payload":{"canonical_record":{"source":{"id":"1602.07707","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-02-24T21:02:12Z","cross_cats_sorted":[],"title_canon_sha256":"f20c201fa54a04ffd54ffba5d92e504e5a3856f53b57e2ce581cca23581b545a","abstract_canon_sha256":"2eb4aaf5cafcc070f9bc8654c247eb37b6f8f6b04e5d62ef25876c97be23e5e4"},"schema_version":"1.0"},"canonical_sha256":"4bd072b4922bc19229195c97a3374488e0312ed3df58d075d1fbe300176b0676","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:40.503076Z","signature_b64":"cEQwnwV97LjesAXnZ89kP882R+IMaGZcQb2RdMHb+WDz1lk2pI6zkheziZtBKq/mLyvme5vuoFOUTw/oE7vMBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bd072b4922bc19229195c97a3374488e0312ed3df58d075d1fbe300176b0676","last_reissued_at":"2026-05-18T01:16:40.502309Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:40.502309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.07707","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":"2026-05-18T01:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+oDzhQWlPrgwwt5LAstrfvi90sBXUTABfvmQ1n+nxDAxNNQ1BeZ+mThvsMb2nmMETT+tpfQCfHw0QImnZY7QCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:22:03.923263Z"},"content_sha256":"f4477b403f1d405d7dd8f75b9cabb54a99eba89ea3266568724b19c1aaac75f7","schema_version":"1.0","event_id":"sha256:f4477b403f1d405d7dd8f75b9cabb54a99eba89ea3266568724b19c1aaac75f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:JPIHFNESFPAZEKIZLSL2GN2ERD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Isotopic Ratios of Carbon and Oxygen in Titan's CO using ALMA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Conor A. Nixon, Johan E. Lindberg, Joseph Serigano IV, Martin A. Cordiner, Nicholas A. Teanby, Patrick G. J. Irwin, Steven B. Charnley","submitted_at":"2016-02-24T21:02:12Z","abstract_excerpt":"We report interferometric observations of carbon monoxide (CO) and its isotopologues in Titan's atmosphere using the Atacama Large Millimeter/submillimeter Array (ALMA). The following transitions were detected: CO (J = 1-0, 2-1, 3-2, 6-5), $^{13}$CO (J = 2-1, 3-2, 6-5), C$^{18}$O (J = 2-1, 3-2), and C$^{17}$O (J = 3-2). Molecular abundances and the vertical atmospheric temperature profile were derived by modeling the observed emission line profiles using NEMESIS, a line-by-line radiative transfer code. We present the first spectroscopic detection of $^{17}$O in the outer solar system with C$^{"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.07707","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":"2026-05-18T01:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MuOJJPa32mtvvgbNn5heRnTihJueTfPoO4YNf0klbITY71MFxbBpOwMbOXi8E9Hsnj6QK291ER9S84+CsRhcCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:22:03.923943Z"},"content_sha256":"f20fe642aa8f635e3a66f1cd1a074adaefd2487e40893915f6c565a06f89bb52","schema_version":"1.0","event_id":"sha256:f20fe642aa8f635e3a66f1cd1a074adaefd2487e40893915f6c565a06f89bb52"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JPIHFNESFPAZEKIZLSL2GN2ERD/bundle.json","state_url":"https://pith.science/pith/JPIHFNESFPAZEKIZLSL2GN2ERD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JPIHFNESFPAZEKIZLSL2GN2ERD/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":"2026-05-27T19:22:03Z","links":{"resolver":"https://pith.science/pith/JPIHFNESFPAZEKIZLSL2GN2ERD","bundle":"https://pith.science/pith/JPIHFNESFPAZEKIZLSL2GN2ERD/bundle.json","state":"https://pith.science/pith/JPIHFNESFPAZEKIZLSL2GN2ERD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JPIHFNESFPAZEKIZLSL2GN2ERD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:JPIHFNESFPAZEKIZLSL2GN2ERD","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":"2eb4aaf5cafcc070f9bc8654c247eb37b6f8f6b04e5d62ef25876c97be23e5e4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-02-24T21:02:12Z","title_canon_sha256":"f20c201fa54a04ffd54ffba5d92e504e5a3856f53b57e2ce581cca23581b545a"},"schema_version":"1.0","source":{"id":"1602.07707","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.07707","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1602.07707v1","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.07707","created_at":"2026-05-18T01:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"JPIHFNESFPAZ","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JPIHFNESFPAZEKIZ","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JPIHFNES","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:f20fe642aa8f635e3a66f1cd1a074adaefd2487e40893915f6c565a06f89bb52","target":"graph","created_at":"2026-05-18T01:16:40Z","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 report interferometric observations of carbon monoxide (CO) and its isotopologues in Titan's atmosphere using the Atacama Large Millimeter/submillimeter Array (ALMA). The following transitions were detected: CO (J = 1-0, 2-1, 3-2, 6-5), $^{13}$CO (J = 2-1, 3-2, 6-5), C$^{18}$O (J = 2-1, 3-2), and C$^{17}$O (J = 3-2). Molecular abundances and the vertical atmospheric temperature profile were derived by modeling the observed emission line profiles using NEMESIS, a line-by-line radiative transfer code. We present the first spectroscopic detection of $^{17}$O in the outer solar system with C$^{","authors_text":"Conor A. Nixon, Johan E. Lindberg, Joseph Serigano IV, Martin A. Cordiner, Nicholas A. Teanby, Patrick G. J. Irwin, Steven B. Charnley","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-02-24T21:02:12Z","title":"Isotopic Ratios of Carbon and Oxygen in Titan's CO using ALMA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.07707","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:f4477b403f1d405d7dd8f75b9cabb54a99eba89ea3266568724b19c1aaac75f7","target":"record","created_at":"2026-05-18T01:16:40Z","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":"2eb4aaf5cafcc070f9bc8654c247eb37b6f8f6b04e5d62ef25876c97be23e5e4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-02-24T21:02:12Z","title_canon_sha256":"f20c201fa54a04ffd54ffba5d92e504e5a3856f53b57e2ce581cca23581b545a"},"schema_version":"1.0","source":{"id":"1602.07707","kind":"arxiv","version":1}},"canonical_sha256":"4bd072b4922bc19229195c97a3374488e0312ed3df58d075d1fbe300176b0676","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4bd072b4922bc19229195c97a3374488e0312ed3df58d075d1fbe300176b0676","first_computed_at":"2026-05-18T01:16:40.502309Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:40.502309Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cEQwnwV97LjesAXnZ89kP882R+IMaGZcQb2RdMHb+WDz1lk2pI6zkheziZtBKq/mLyvme5vuoFOUTw/oE7vMBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:40.503076Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.07707","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4477b403f1d405d7dd8f75b9cabb54a99eba89ea3266568724b19c1aaac75f7","sha256:f20fe642aa8f635e3a66f1cd1a074adaefd2487e40893915f6c565a06f89bb52"],"state_sha256":"0db8d11aa0f2ecb606514e26e8d66ae3e6c3064ed2b924f3c3ade3c9cbd3ebd8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BQIIvbBSkZxX9LMB9If/yiXpSQ50FAw5o9sTD9+3JmZsMURKIDYgUR+N58l0wKjTlnOftshZBldlGB4iPM03Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T19:22:03.927506Z","bundle_sha256":"639b75339d51ac837054cae0033fae4ba7219d75a526ffc5539b221b4d77f48a"}}