{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2UXPIP73KIDUJ7LON2P7P22WHQ","short_pith_number":"pith:2UXPIP73","canonical_record":{"source":{"id":"1803.05442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-14T18:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"430b3bf12a42149d568a864d4e4411a0281f13f0a2f4b3da9cfba65ac4c11080","abstract_canon_sha256":"e06a43f8bfa4958d0a8fa4c4baf4a94970e13da4ebad3fd9863f1e8bcbc64feb"},"schema_version":"1.0"},"canonical_sha256":"d52ef43ffb520744fd6e6e9ff7eb563c24f8a80785c0cdae4968b60319f84afc","source":{"kind":"arxiv","id":"1803.05442","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.05442","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"arxiv_version","alias_value":"1803.05442v1","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.05442","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"pith_short_12","alias_value":"2UXPIP73KIDU","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2UXPIP73KIDUJ7LO","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2UXPIP73","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2UXPIP73KIDUJ7LON2P7P22WHQ","target":"record","payload":{"canonical_record":{"source":{"id":"1803.05442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-14T18:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"430b3bf12a42149d568a864d4e4411a0281f13f0a2f4b3da9cfba65ac4c11080","abstract_canon_sha256":"e06a43f8bfa4958d0a8fa4c4baf4a94970e13da4ebad3fd9863f1e8bcbc64feb"},"schema_version":"1.0"},"canonical_sha256":"d52ef43ffb520744fd6e6e9ff7eb563c24f8a80785c0cdae4968b60319f84afc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:01.483817Z","signature_b64":"tYAFEo1oMijP1d1BZGgGMARPRbE11oFiNVeXPDku1FzQTuXwr6tOckio9lnH7Q7AIxBeLnDjKs1eNyFH4y4mAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d52ef43ffb520744fd6e6e9ff7eb563c24f8a80785c0cdae4968b60319f84afc","last_reissued_at":"2026-05-18T00:20:01.483124Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:01.483124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.05442","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":"2026-05-18T00:20:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zwzUmyhe+DBgpGZBZHkkiRUyatfS6lQzz292YBiuJVY3lYkWRZKiaCG/4htzMLLZtOjdMr/3jcMUaM3yoB47BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:15:41.576207Z"},"content_sha256":"a489583c9bbf384723b90c662ed9f12d90d1c3069c4e5d080c04d6ac306ebbde","schema_version":"1.0","event_id":"sha256:a489583c9bbf384723b90c662ed9f12d90d1c3069c4e5d080c04d6ac306ebbde"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2UXPIP73KIDUJ7LON2P7P22WHQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of HOCO+ in the protostar IRAS 16293-2422","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Emmanuel Caux, Karen Willacy, Liton Majumdar, Michael E. Ressler, Pierre Gratier, Valentine Wakelam","submitted_at":"2018-03-14T18:00:03Z","abstract_excerpt":"The protonated form of CO2, HOCO+, is assumed to be an indirect tracer of CO2 in the millimeter/submillimeter regime since CO2 lacks a permanent dipole moment. Here, we report the detection of two rotational emission lines (4 0,4-3 0,3) and (5 0,5-4 0,4) of HOCO+ in IRAS 16293-2422. For our observations, we have used EMIR heterodyne 3 mm receiver of the IRAM 30m telescope. The observed abundance of HOCO+ is compared with the simulations using the 3-phase NAUTILUS chemical model. Implications of the measured abundances of HOCO+ to study the chemistry of CO2 ices using JWST-MIRI and NIRSpec are "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.05442","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":"2026-05-18T00:20:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X0c61rk1kN5ah6Bml9BjsCwFP0b2k36jQ1lo57tR/JiK70wr1Cy4sp5ln09e5d9hJjQCvMWYGB3XJbZp5FIxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:15:41.576913Z"},"content_sha256":"2f84b86e84e9700cbfa2c85a65aeb9fe3b94f8ecd7f0af7d08ccbe68e144ab3b","schema_version":"1.0","event_id":"sha256:2f84b86e84e9700cbfa2c85a65aeb9fe3b94f8ecd7f0af7d08ccbe68e144ab3b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2UXPIP73KIDUJ7LON2P7P22WHQ/bundle.json","state_url":"https://pith.science/pith/2UXPIP73KIDUJ7LON2P7P22WHQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2UXPIP73KIDUJ7LON2P7P22WHQ/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":"2026-05-25T18:15:41Z","links":{"resolver":"https://pith.science/pith/2UXPIP73KIDUJ7LON2P7P22WHQ","bundle":"https://pith.science/pith/2UXPIP73KIDUJ7LON2P7P22WHQ/bundle.json","state":"https://pith.science/pith/2UXPIP73KIDUJ7LON2P7P22WHQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2UXPIP73KIDUJ7LON2P7P22WHQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2UXPIP73KIDUJ7LON2P7P22WHQ","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":"e06a43f8bfa4958d0a8fa4c4baf4a94970e13da4ebad3fd9863f1e8bcbc64feb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-14T18:00:03Z","title_canon_sha256":"430b3bf12a42149d568a864d4e4411a0281f13f0a2f4b3da9cfba65ac4c11080"},"schema_version":"1.0","source":{"id":"1803.05442","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.05442","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"arxiv_version","alias_value":"1803.05442v1","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.05442","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"pith_short_12","alias_value":"2UXPIP73KIDU","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2UXPIP73KIDUJ7LO","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2UXPIP73","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:2f84b86e84e9700cbfa2c85a65aeb9fe3b94f8ecd7f0af7d08ccbe68e144ab3b","target":"graph","created_at":"2026-05-18T00:20:01Z","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 protonated form of CO2, HOCO+, is assumed to be an indirect tracer of CO2 in the millimeter/submillimeter regime since CO2 lacks a permanent dipole moment. Here, we report the detection of two rotational emission lines (4 0,4-3 0,3) and (5 0,5-4 0,4) of HOCO+ in IRAS 16293-2422. For our observations, we have used EMIR heterodyne 3 mm receiver of the IRAM 30m telescope. The observed abundance of HOCO+ is compared with the simulations using the 3-phase NAUTILUS chemical model. Implications of the measured abundances of HOCO+ to study the chemistry of CO2 ices using JWST-MIRI and NIRSpec are ","authors_text":"Emmanuel Caux, Karen Willacy, Liton Majumdar, Michael E. Ressler, Pierre Gratier, Valentine Wakelam","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-14T18:00:03Z","title":"Detection of HOCO+ in the protostar IRAS 16293-2422"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.05442","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:a489583c9bbf384723b90c662ed9f12d90d1c3069c4e5d080c04d6ac306ebbde","target":"record","created_at":"2026-05-18T00:20:01Z","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":"e06a43f8bfa4958d0a8fa4c4baf4a94970e13da4ebad3fd9863f1e8bcbc64feb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-14T18:00:03Z","title_canon_sha256":"430b3bf12a42149d568a864d4e4411a0281f13f0a2f4b3da9cfba65ac4c11080"},"schema_version":"1.0","source":{"id":"1803.05442","kind":"arxiv","version":1}},"canonical_sha256":"d52ef43ffb520744fd6e6e9ff7eb563c24f8a80785c0cdae4968b60319f84afc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d52ef43ffb520744fd6e6e9ff7eb563c24f8a80785c0cdae4968b60319f84afc","first_computed_at":"2026-05-18T00:20:01.483124Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:01.483124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tYAFEo1oMijP1d1BZGgGMARPRbE11oFiNVeXPDku1FzQTuXwr6tOckio9lnH7Q7AIxBeLnDjKs1eNyFH4y4mAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:01.483817Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.05442","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a489583c9bbf384723b90c662ed9f12d90d1c3069c4e5d080c04d6ac306ebbde","sha256:2f84b86e84e9700cbfa2c85a65aeb9fe3b94f8ecd7f0af7d08ccbe68e144ab3b"],"state_sha256":"6ef3d9fd3d6c82fe3c060418b50938b655faae6aa6c4fd44e27ca7956aede744"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VotQf2PKQMkE8cMimsC39EAcxTvU24vqoFZTEr8pUIofAhiJxYVAFLHdxIFZkiDxpaPD5HJHcCMtUgM+YdfKCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:15:41.580532Z","bundle_sha256":"e11de7a7674a478508e33c3af558ca9379a963fbcf8494a8e107aa420306ee28"}}