{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:EHQGDNA764KIZIGV34HBTCTPJK","short_pith_number":"pith:EHQGDNA7","schema_version":"1.0","canonical_sha256":"21e061b41ff7148ca0d5df0e198a6f4a9d04e430ddd924f5641eace72b6509c4","source":{"kind":"arxiv","id":"2605.13308","version":1},"attestation_state":"computed","paper":{"title":"Fizzy water ice in space: CO$_2$ adsorption, binding energies and its fate in a protoplanetary disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"A spread in CO2 binding energies on water ice extends the gaseous reservoir farther in protoplanetary disks than a single value predicts.","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alicja Bulik, A. Rimola, C. Ceccarelli, E. Mates-Torres, K. Furuya, P. Ugliengo, V. Bariosco","submitted_at":"2026-05-13T10:21:50Z","abstract_excerpt":"CO2 is the third most abundant ice component found on dust grains in star-forming regions and a common ingredient of exoplanet atmospheres. Characterization of its adsorption properties on ices through the binding energy (BE) is essential for accurate astrochemical modelling and understanding chemical inheritance in planet formation. We aim to derive an accurate BE distribution of CO2 on water ices. Our goal is to understand the impact of the BE distribution on the abundance of gaseous and frozen CO2 in a generic protoplanetary disk and the spectral absorption features of frozen CO2. The ACO-F"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":true,"formal_links_present":true},"canonical_record":{"source":{"id":"2605.13308","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2026-05-13T10:21:50Z","cross_cats_sorted":[],"title_canon_sha256":"71791846e5cdfca75cbd4271f87b3c5c7c29fb00a72edeb37fc863dd7a83293d","abstract_canon_sha256":"208f4f6f0ec992e99e65f63f67d5abc43aad3bc565bcff5872f34e1446c58c05"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:48.915311Z","signature_b64":"hTbzOet1PCSWPzlTC7wAjn/7uHofFDjFLBxnKo+jF+09ldyTGRkuOSJ6Pir8kGfqmfAYlkprgBGQ8em7YsZHCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21e061b41ff7148ca0d5df0e198a6f4a9d04e430ddd924f5641eace72b6509c4","last_reissued_at":"2026-05-18T02:44:48.914862Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:48.914862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fizzy water ice in space: CO$_2$ adsorption, binding energies and its fate in a protoplanetary disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"A spread in CO2 binding energies on water ice extends the gaseous reservoir farther in protoplanetary disks than a single value predicts.","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alicja Bulik, A. Rimola, C. Ceccarelli, E. Mates-Torres, K. Furuya, P. Ugliengo, V. Bariosco","submitted_at":"2026-05-13T10:21:50Z","abstract_excerpt":"CO2 is the third most abundant ice component found on dust grains in star-forming regions and a common ingredient of exoplanet atmospheres. Characterization of its adsorption properties on ices through the binding energy (BE) is essential for accurate astrochemical modelling and understanding chemical inheritance in planet formation. We aim to derive an accurate BE distribution of CO2 on water ices. Our goal is to understand the impact of the BE distribution on the abundance of gaseous and frozen CO2 in a generic protoplanetary disk and the spectral absorption features of frozen CO2. The ACO-F"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"We confirm that the use of BE distribution to model the gas and ice fractionation in a protoplanetary disk causes the gas fraction to be significantly more extended.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The amorphous water ice grain model combined with the ONIOM scheme produces binding energies that accurately represent real interstellar conditions and adsorption sites.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"CO2 binding energies on water ice follow a bimodal Gaussian distribution that significantly extends the gaseous CO2 fraction in protoplanetary disks.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"A spread in CO2 binding energies on water ice extends the gaseous reservoir farther in protoplanetary disks than a single value predicts.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"d8b841416ff722fbb8b93e90172032cc5b5843d6769c06c7b5be7745e9da7165"},"source":{"id":"2605.13308","kind":"arxiv","version":1},"verdict":{"id":"c137e2da-fb24-442a-8735-725a1174558d","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-14T18:48:01.027213Z","strongest_claim":"We confirm that the use of BE distribution to model the gas and ice fractionation in a protoplanetary disk causes the gas fraction to be significantly more extended.","one_line_summary":"CO2 binding energies on water ice follow a bimodal Gaussian distribution that significantly extends the gaseous CO2 fraction in protoplanetary disks.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The amorphous water ice grain model combined with the ONIOM scheme produces binding energies that accurately represent real interstellar conditions and adsorption sites.","pith_extraction_headline":"A spread in CO2 binding energies on water ice extends the gaseous reservoir farther in protoplanetary disks than a single value predicts."},"references":{"count":220,"sample":[{"doi":"","year":null,"title":"C Ceccarelli and P Caselli and F Fontani and R Neri and A López-Sepulcre and C Codella and S Feng and I Jiménez-Serra and B Lefloch and J. E. Pineda and C Vastel and F Alves and R Bachiller and N Balu","work_id":"44d663de-9622-4de8-b967-fc9082a71a70","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":null,"title":"Binding Energies of Interstellar Relevant S-bearing Species on Water Ice Mantles: A Quantum Mechanical Investigation , volume =","work_id":"aaf79ff0-aee9-48f5-9d94-ea3ccaaf45a3","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":null,"title":"Thermal Desorption of Interstellar Ices: A Review on the Controlling Parameters and Their Implications from Snowlines to Chemical Complexity , volume =","work_id":"eab9b95f-9cfa-474b-9497-6cc051721218","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":null,"title":"Binding energies: New values and impact on the efficiency of chemical desorption , volume =","work_id":"6915b3ec-b98e-4a20-aeef-fc15ebf8f544","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":null,"title":"Our astrochemical heritage , volume =","work_id":"dfd70002-678c-42c4-a9c5-49f3b2d40aaa","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":220,"snapshot_sha256":"eca478bff0ab347088b50e403c9b0f2933b971fb1f46934d9840da06b59f6647","internal_anchors":2},"formal_canon":{"evidence_count":2,"snapshot_sha256":"c5162aef168e16a4dbe88d65ab28413f75c2086cde07cd1b39b6009adefc3a1d"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2605.13308","created_at":"2026-05-18T02:44:48.914941+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.13308v1","created_at":"2026-05-18T02:44:48.914941+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.13308","created_at":"2026-05-18T02:44:48.914941+00:00"},{"alias_kind":"pith_short_12","alias_value":"EHQGDNA764KI","created_at":"2026-05-18T12:33:37.589309+00:00"},{"alias_kind":"pith_short_16","alias_value":"EHQGDNA764KIZIGV","created_at":"2026-05-18T12:33:37.589309+00:00"},{"alias_kind":"pith_short_8","alias_value":"EHQGDNA7","created_at":"2026-05-18T12:33:37.589309+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":2,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EHQGDNA764KIZIGV34HBTCTPJK","json":"https://pith.science/pith/EHQGDNA764KIZIGV34HBTCTPJK.json","graph_json":"https://pith.science/api/pith-number/EHQGDNA764KIZIGV34HBTCTPJK/graph.json","events_json":"https://pith.science/api/pith-number/EHQGDNA764KIZIGV34HBTCTPJK/events.json","paper":"https://pith.science/paper/EHQGDNA7"},"agent_actions":{"view_html":"https://pith.science/pith/EHQGDNA764KIZIGV34HBTCTPJK","download_json":"https://pith.science/pith/EHQGDNA764KIZIGV34HBTCTPJK.json","view_paper":"https://pith.science/paper/EHQGDNA7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.13308&json=true","fetch_graph":"https://pith.science/api/pith-number/EHQGDNA764KIZIGV34HBTCTPJK/graph.json","fetch_events":"https://pith.science/api/pith-number/EHQGDNA764KIZIGV34HBTCTPJK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EHQGDNA764KIZIGV34HBTCTPJK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EHQGDNA764KIZIGV34HBTCTPJK/action/storage_attestation","attest_author":"https://pith.science/pith/EHQGDNA764KIZIGV34HBTCTPJK/action/author_attestation","sign_citation":"https://pith.science/pith/EHQGDNA764KIZIGV34HBTCTPJK/action/citation_signature","submit_replication":"https://pith.science/pith/EHQGDNA764KIZIGV34HBTCTPJK/action/replication_record"}},"created_at":"2026-05-18T02:44:48.914941+00:00","updated_at":"2026-05-18T02:44:48.914941+00:00"}