{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:M2BK27QS7774GUZB5H4JS4WTBM","short_pith_number":"pith:M2BK27QS","canonical_record":{"source":{"id":"1604.00414","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-04-01T21:31:30Z","cross_cats_sorted":[],"title_canon_sha256":"ec5dcf1ee9b0249e369cd2576232f2c88e4f2721f384889a9e49997ed3434f63","abstract_canon_sha256":"7dc10cc7fb26e22ffd89753e29d8eba697489a423f114cbb75d36a54815dba83"},"schema_version":"1.0"},"canonical_sha256":"6682ad7e12ffffc35321e9f89972d30b35419ac721df669dc264d6293a242fac","source":{"kind":"arxiv","id":"1604.00414","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00414","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00414v1","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00414","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"M2BK27QS7774","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"M2BK27QS7774GUZB","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"M2BK27QS","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:M2BK27QS7774GUZB5H4JS4WTBM","target":"record","payload":{"canonical_record":{"source":{"id":"1604.00414","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-04-01T21:31:30Z","cross_cats_sorted":[],"title_canon_sha256":"ec5dcf1ee9b0249e369cd2576232f2c88e4f2721f384889a9e49997ed3434f63","abstract_canon_sha256":"7dc10cc7fb26e22ffd89753e29d8eba697489a423f114cbb75d36a54815dba83"},"schema_version":"1.0"},"canonical_sha256":"6682ad7e12ffffc35321e9f89972d30b35419ac721df669dc264d6293a242fac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:39.135738Z","signature_b64":"/e7RtxupaOfw+SLX76jSGvHaIgnX8j84QrtUZxCzOEMOrryi/5HeM80TPaiiRQaYD/Fm8Ks0ARbR0hLdBsItBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6682ad7e12ffffc35321e9f89972d30b35419ac721df669dc264d6293a242fac","last_reissued_at":"2026-05-18T01:16:39.135032Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:39.135032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.00414","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":"2026-05-18T01:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lZh5WssoaivsbR4yaM5T6XY1WvQSqUMJeOIfXJgWXlxO57neniZ2OMrMnNGmSWr8ltBJodeA+//JfEfnAmSDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:31:48.001007Z"},"content_sha256":"6d9813d6b9aeb2c93b1adc59042b5729fff27040e128f388fb94cd39405b9483","schema_version":"1.0","event_id":"sha256:6d9813d6b9aeb2c93b1adc59042b5729fff27040e128f388fb94cd39405b9483"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:M2BK27QS7774GUZB5H4JS4WTBM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of extragalactic CF+ toward PKS1830-211 -- Chemical differentiation in the absorbing gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"700-8530, Astronomy, Canada), Chalmers University of Technology, Department of Physics, Japan), J. H. Black (Department of Earth, Kitaku, K. Kawaguchi (Department of Chemistry, Okayama, Okayama University, ON N2L 3G1, Onsala Space Observatory, SE-43992 Onsala, S. Muller (Department of Earth, Space Sciences, Sweden), T. Amano (Department of Chemistry, Tsushima-naka 3-1-1, University of Waterloo, Waterloo","submitted_at":"2016-04-01T21:31:30Z","abstract_excerpt":"We report the first extragalactic detection of CF+, the fluoromethylidynium ion, in the z=0.89 absorber toward PKS1830-211. We estimate an abundance of ~3E-10 relative to H2 and that ~1% of fluorine is captured in CF+. The absorption line profile of CF+ is found to be markedly different from that of other species observed within the same tuning, and is notably anti-correlated with CH3OH. On the other hand, the CF+ profile resembles that of [C I]. Our results are consistent with expected fluorine chemistry and point to chemical differentiation in the column of absorbing gas."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00414","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":"2026-05-18T01:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ARU9ZLegSY1Sma5uHOLqVoxnnZU8xbxAD1h4EWfHpvu4w3iRC5qvdTpN8AQSmSU+pKF2E3rkBSMLGpgWphCFAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:31:48.001677Z"},"content_sha256":"98938176c098098dd385c9bfb9f855932595cf5e92932ba5e6f321e6a3d50462","schema_version":"1.0","event_id":"sha256:98938176c098098dd385c9bfb9f855932595cf5e92932ba5e6f321e6a3d50462"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M2BK27QS7774GUZB5H4JS4WTBM/bundle.json","state_url":"https://pith.science/pith/M2BK27QS7774GUZB5H4JS4WTBM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M2BK27QS7774GUZB5H4JS4WTBM/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":"2026-05-26T08:31:48Z","links":{"resolver":"https://pith.science/pith/M2BK27QS7774GUZB5H4JS4WTBM","bundle":"https://pith.science/pith/M2BK27QS7774GUZB5H4JS4WTBM/bundle.json","state":"https://pith.science/pith/M2BK27QS7774GUZB5H4JS4WTBM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M2BK27QS7774GUZB5H4JS4WTBM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:M2BK27QS7774GUZB5H4JS4WTBM","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":"7dc10cc7fb26e22ffd89753e29d8eba697489a423f114cbb75d36a54815dba83","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-04-01T21:31:30Z","title_canon_sha256":"ec5dcf1ee9b0249e369cd2576232f2c88e4f2721f384889a9e49997ed3434f63"},"schema_version":"1.0","source":{"id":"1604.00414","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.00414","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1604.00414v1","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00414","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"M2BK27QS7774","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"M2BK27QS7774GUZB","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"M2BK27QS","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:98938176c098098dd385c9bfb9f855932595cf5e92932ba5e6f321e6a3d50462","target":"graph","created_at":"2026-05-18T01:16:39Z","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 extragalactic detection of CF+, the fluoromethylidynium ion, in the z=0.89 absorber toward PKS1830-211. We estimate an abundance of ~3E-10 relative to H2 and that ~1% of fluorine is captured in CF+. The absorption line profile of CF+ is found to be markedly different from that of other species observed within the same tuning, and is notably anti-correlated with CH3OH. On the other hand, the CF+ profile resembles that of [C I]. Our results are consistent with expected fluorine chemistry and point to chemical differentiation in the column of absorbing gas.","authors_text":"700-8530, Astronomy, Canada), Chalmers University of Technology, Department of Physics, Japan), J. H. Black (Department of Earth, Kitaku, K. Kawaguchi (Department of Chemistry, Okayama, Okayama University, ON N2L 3G1, Onsala Space Observatory, SE-43992 Onsala, S. Muller (Department of Earth, Space Sciences, Sweden), T. Amano (Department of Chemistry, Tsushima-naka 3-1-1, University of Waterloo, Waterloo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-04-01T21:31:30Z","title":"Detection of extragalactic CF+ toward PKS1830-211 -- Chemical differentiation in the absorbing gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00414","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":"sha256:6d9813d6b9aeb2c93b1adc59042b5729fff27040e128f388fb94cd39405b9483","target":"record","created_at":"2026-05-18T01:16:39Z","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":"7dc10cc7fb26e22ffd89753e29d8eba697489a423f114cbb75d36a54815dba83","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-04-01T21:31:30Z","title_canon_sha256":"ec5dcf1ee9b0249e369cd2576232f2c88e4f2721f384889a9e49997ed3434f63"},"schema_version":"1.0","source":{"id":"1604.00414","kind":"arxiv","version":1}},"canonical_sha256":"6682ad7e12ffffc35321e9f89972d30b35419ac721df669dc264d6293a242fac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6682ad7e12ffffc35321e9f89972d30b35419ac721df669dc264d6293a242fac","first_computed_at":"2026-05-18T01:16:39.135032Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:39.135032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/e7RtxupaOfw+SLX76jSGvHaIgnX8j84QrtUZxCzOEMOrryi/5HeM80TPaiiRQaYD/Fm8Ks0ARbR0hLdBsItBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:39.135738Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.00414","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d9813d6b9aeb2c93b1adc59042b5729fff27040e128f388fb94cd39405b9483","sha256:98938176c098098dd385c9bfb9f855932595cf5e92932ba5e6f321e6a3d50462"],"state_sha256":"c7f21248680756592effea583c76afb9f836c4c4bbac0aba6f38bc91e8573a7a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/lJAoBV/MJ/ONMDqE9twT6xkIGg8tSDfYengQCaQnIO4MOnOwDU6ouE12mGC3QwRjMjGKhiMAWLZm02tRtXsDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T08:31:48.005125Z","bundle_sha256":"0934ca50734a9d6496d31a76251cc2b5f0e0597c07a73489e0e29de5a39dc984"}}