{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:B62VWX4344EAREMI7IKVAIWV57","short_pith_number":"pith:B62VWX43","canonical_record":{"source":{"id":"2203.10863","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-03-21T10:36:20Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"8368bae0265ca58b43303d9bd6bc3d9cdd43113d5ef5c0c198261a515828740c","abstract_canon_sha256":"fab7e457ec601fb163d22a4c0492f8589850dcb7f237060408bfc8fd6c8d70cf"},"schema_version":"1.0"},"canonical_sha256":"0fb55b5f9be708089188fa155022d5efefe37d77dc5567fa9bb277d44fb58f8b","source":{"kind":"arxiv","id":"2203.10863","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.10863","created_at":"2026-07-05T04:06:58Z"},{"alias_kind":"arxiv_version","alias_value":"2203.10863v1","created_at":"2026-07-05T04:06:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.10863","created_at":"2026-07-05T04:06:58Z"},{"alias_kind":"pith_short_12","alias_value":"B62VWX4344EA","created_at":"2026-07-05T04:06:58Z"},{"alias_kind":"pith_short_16","alias_value":"B62VWX4344EAREMI","created_at":"2026-07-05T04:06:58Z"},{"alias_kind":"pith_short_8","alias_value":"B62VWX43","created_at":"2026-07-05T04:06:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:B62VWX4344EAREMI7IKVAIWV57","target":"record","payload":{"canonical_record":{"source":{"id":"2203.10863","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-03-21T10:36:20Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"8368bae0265ca58b43303d9bd6bc3d9cdd43113d5ef5c0c198261a515828740c","abstract_canon_sha256":"fab7e457ec601fb163d22a4c0492f8589850dcb7f237060408bfc8fd6c8d70cf"},"schema_version":"1.0"},"canonical_sha256":"0fb55b5f9be708089188fa155022d5efefe37d77dc5567fa9bb277d44fb58f8b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:06:58.110233Z","signature_b64":"aEPYFrhiOiuyciwc/aAtfymUd1raJA/2SmxaDe63upN1a1XsX0HnuYztKLC0fNS0MoKWDjjwmMGwKy1lBbqeDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fb55b5f9be708089188fa155022d5efefe37d77dc5567fa9bb277d44fb58f8b","last_reissued_at":"2026-07-05T04:06:58.109707Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:06:58.109707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.10863","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":"2026-07-05T04:06:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZT930vBleAhbEnyGsRVAsVlgdWkEsdX6KmIYtpNLLZF84r9QycW8fHBg6mqtMh/SRoty6iAJlRbGKHoXVz3pAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T05:49:43.132920Z"},"content_sha256":"b60dae07c9617f83172b266ad7b42d58794d625e78c993a3732ce458e656a99f","schema_version":"1.0","event_id":"sha256:b60dae07c9617f83172b266ad7b42d58794d625e78c993a3732ce458e656a99f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:B62VWX4344EAREMI7IKVAIWV57","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Isotopic Links from Planet Forming Regions to the Solar System","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.EP","authors_text":"C.A. Nixon, C.M.O'D. Alexander, H. Nomura, H. Yurimoto, K. Furuya, M.A. Cordiner, S.B. Charnley, T. Iino, T. Tsukagoshi, V.V. Guzman","submitted_at":"2022-03-21T10:36:20Z","abstract_excerpt":"Isotopic ratios provide a powerful tool for understanding the origins of materials, including the volatile and refractory matter within solar system bodies. Recent high sensitivity observations of molecular isotopologues, in particular with ALMA, have brought us new information on isotopic ratios of hydrogen, carbon, nitrogen and oxygen in star and planet forming regions as well as the solar system objects. Solar system exploration missions, such as Rosetta and Cassini, have given us further new insights. Meanwhile, the recent development of sophisticated models for isotope chemistry including"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.10863","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2203.10863/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:06:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B10yzQpKrGmh9e/mBwKWSbsZV4eBiXWbX+v2cvBZMh0ZrJg7sfQOli9XTy/Lkna+uLEnaeaSegkMM3IkaGxODg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T05:49:43.133439Z"},"content_sha256":"a182a489520fca9a775227eae1a634410054cd49fa214901a5fc8a7d2501a067","schema_version":"1.0","event_id":"sha256:a182a489520fca9a775227eae1a634410054cd49fa214901a5fc8a7d2501a067"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B62VWX4344EAREMI7IKVAIWV57/bundle.json","state_url":"https://pith.science/pith/B62VWX4344EAREMI7IKVAIWV57/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B62VWX4344EAREMI7IKVAIWV57/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":"2026-08-06T05:49:43Z","links":{"resolver":"https://pith.science/pith/B62VWX4344EAREMI7IKVAIWV57","bundle":"https://pith.science/pith/B62VWX4344EAREMI7IKVAIWV57/bundle.json","state":"https://pith.science/pith/B62VWX4344EAREMI7IKVAIWV57/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B62VWX4344EAREMI7IKVAIWV57/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:B62VWX4344EAREMI7IKVAIWV57","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":"fab7e457ec601fb163d22a4c0492f8589850dcb7f237060408bfc8fd6c8d70cf","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-03-21T10:36:20Z","title_canon_sha256":"8368bae0265ca58b43303d9bd6bc3d9cdd43113d5ef5c0c198261a515828740c"},"schema_version":"1.0","source":{"id":"2203.10863","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.10863","created_at":"2026-07-05T04:06:58Z"},{"alias_kind":"arxiv_version","alias_value":"2203.10863v1","created_at":"2026-07-05T04:06:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.10863","created_at":"2026-07-05T04:06:58Z"},{"alias_kind":"pith_short_12","alias_value":"B62VWX4344EA","created_at":"2026-07-05T04:06:58Z"},{"alias_kind":"pith_short_16","alias_value":"B62VWX4344EAREMI","created_at":"2026-07-05T04:06:58Z"},{"alias_kind":"pith_short_8","alias_value":"B62VWX43","created_at":"2026-07-05T04:06:58Z"}],"graph_snapshots":[{"event_id":"sha256:a182a489520fca9a775227eae1a634410054cd49fa214901a5fc8a7d2501a067","target":"graph","created_at":"2026-07-05T04:06:58Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2203.10863/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Isotopic ratios provide a powerful tool for understanding the origins of materials, including the volatile and refractory matter within solar system bodies. Recent high sensitivity observations of molecular isotopologues, in particular with ALMA, have brought us new information on isotopic ratios of hydrogen, carbon, nitrogen and oxygen in star and planet forming regions as well as the solar system objects. Solar system exploration missions, such as Rosetta and Cassini, have given us further new insights. Meanwhile, the recent development of sophisticated models for isotope chemistry including","authors_text":"C.A. Nixon, C.M.O'D. Alexander, H. Nomura, H. Yurimoto, K. Furuya, M.A. Cordiner, S.B. Charnley, T. Iino, T. Tsukagoshi, V.V. Guzman","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-03-21T10:36:20Z","title":"The Isotopic Links from Planet Forming Regions to the Solar System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.10863","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:b60dae07c9617f83172b266ad7b42d58794d625e78c993a3732ce458e656a99f","target":"record","created_at":"2026-07-05T04:06:58Z","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":"fab7e457ec601fb163d22a4c0492f8589850dcb7f237060408bfc8fd6c8d70cf","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-03-21T10:36:20Z","title_canon_sha256":"8368bae0265ca58b43303d9bd6bc3d9cdd43113d5ef5c0c198261a515828740c"},"schema_version":"1.0","source":{"id":"2203.10863","kind":"arxiv","version":1}},"canonical_sha256":"0fb55b5f9be708089188fa155022d5efefe37d77dc5567fa9bb277d44fb58f8b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0fb55b5f9be708089188fa155022d5efefe37d77dc5567fa9bb277d44fb58f8b","first_computed_at":"2026-07-05T04:06:58.109707Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:06:58.109707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aEPYFrhiOiuyciwc/aAtfymUd1raJA/2SmxaDe63upN1a1XsX0HnuYztKLC0fNS0MoKWDjjwmMGwKy1lBbqeDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:06:58.110233Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.10863","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b60dae07c9617f83172b266ad7b42d58794d625e78c993a3732ce458e656a99f","sha256:a182a489520fca9a775227eae1a634410054cd49fa214901a5fc8a7d2501a067"],"state_sha256":"6df0f5451b796bb061c9b45ce59ec3f27a8abcfb18a7f6a73fdac007e8d414ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l2j5mP8ClExJt85xGNG6hgHjacDrUSH6fHt/o/xNltg+q1uyoQ5JdZm46a014UvbRrte3RU3u9sbqXjRWjspDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T05:49:43.137293Z","bundle_sha256":"9c2746d4705725254d7525f8b677c76ada8494afde56a569166b8f598176e637"}}