{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:P6RLLFLYVPK5HCH4ERM3MVANFU","short_pith_number":"pith:P6RLLFLY","canonical_record":{"source":{"id":"1310.3189","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-10-11T16:36:40Z","cross_cats_sorted":[],"title_canon_sha256":"9d43fff17971a87aec062edcc57cc0b40896d55b189f84c5f0f0c152925a833b","abstract_canon_sha256":"2d05227d418605e01248e62a353444ab77df1a9668eeaa06b4f8a2fed9258042"},"schema_version":"1.0"},"canonical_sha256":"7fa2b59578abd5d388fc2459b6540d2d3e392873af0fa18656329ab0591ef3a5","source":{"kind":"arxiv","id":"1310.3189","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.3189","created_at":"2026-05-18T01:47:06Z"},{"alias_kind":"arxiv_version","alias_value":"1310.3189v1","created_at":"2026-05-18T01:47:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.3189","created_at":"2026-05-18T01:47:06Z"},{"alias_kind":"pith_short_12","alias_value":"P6RLLFLYVPK5","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"P6RLLFLYVPK5HCH4","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"P6RLLFLY","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:P6RLLFLYVPK5HCH4ERM3MVANFU","target":"record","payload":{"canonical_record":{"source":{"id":"1310.3189","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-10-11T16:36:40Z","cross_cats_sorted":[],"title_canon_sha256":"9d43fff17971a87aec062edcc57cc0b40896d55b189f84c5f0f0c152925a833b","abstract_canon_sha256":"2d05227d418605e01248e62a353444ab77df1a9668eeaa06b4f8a2fed9258042"},"schema_version":"1.0"},"canonical_sha256":"7fa2b59578abd5d388fc2459b6540d2d3e392873af0fa18656329ab0591ef3a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:06.426690Z","signature_b64":"zscyRCKXTWNuaTis9oHuAesrXKTvkFjBK4o0ZaecIGFseB+OCj3jPKPOs+9dSWZqMkOd2MrYezNVoOle3B5pCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7fa2b59578abd5d388fc2459b6540d2d3e392873af0fa18656329ab0591ef3a5","last_reissued_at":"2026-05-18T01:47:06.425999Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:06.425999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.3189","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":"2026-05-18T01:47:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uyl73igGB55ufVLURh9wTEnoJxqrQ8b/q+FmwN5Dz75c1oirH2perkRtyRsFye7aCxGZdaE5fqBCfoMp1A52Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:08:22.682650Z"},"content_sha256":"b6a4afec2629a42b17e9dc2f1b3545ed4710751c8f54a6d7f7a78904f5eb9304","schema_version":"1.0","event_id":"sha256:b6a4afec2629a42b17e9dc2f1b3545ed4710751c8f54a6d7f7a78904f5eb9304"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:P6RLLFLYVPK5HCH4ERM3MVANFU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Molecular Dynamics Simulations of CO2 Formation in Interstellar Ices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Carina Arasa, Ewine F. van Dishoeck, Geert-Jan Kroes, Marc C. van Hemert","submitted_at":"2013-10-11T16:36:40Z","abstract_excerpt":"CO2 ice is one of the most abundant components in ice-coated interstellar ices besides H2O and CO, but the most favorable path to CO2 ice is still unclear. Molecular dynamics calculations on the ultraviolet photodissociation of different kinds of CO-H2O ice systems have been performed at 10 K in order to demonstrate that the reaction between CO and an OH molecule resulting from H2O photodissociation through the first excited state is a possible route to form CO2 ice. However, our calculations, which take into account different ice surface models, suggest that there is another product with a hi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.3189","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":"2026-05-18T01:47:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZfL8lAPAWL/gCGZApHYTgoyHsrigiVSrzykEkmF7HUG+QouyBYVI+akbB0RfiBao9lv76b5E9Fh8z1Mks5Z3Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:08:22.683337Z"},"content_sha256":"47a02edba627b069d957468077619ab833741300f1370bb7695b3ec1ed2bc80f","schema_version":"1.0","event_id":"sha256:47a02edba627b069d957468077619ab833741300f1370bb7695b3ec1ed2bc80f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P6RLLFLYVPK5HCH4ERM3MVANFU/bundle.json","state_url":"https://pith.science/pith/P6RLLFLYVPK5HCH4ERM3MVANFU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P6RLLFLYVPK5HCH4ERM3MVANFU/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":"2026-05-25T22:08:22Z","links":{"resolver":"https://pith.science/pith/P6RLLFLYVPK5HCH4ERM3MVANFU","bundle":"https://pith.science/pith/P6RLLFLYVPK5HCH4ERM3MVANFU/bundle.json","state":"https://pith.science/pith/P6RLLFLYVPK5HCH4ERM3MVANFU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P6RLLFLYVPK5HCH4ERM3MVANFU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:P6RLLFLYVPK5HCH4ERM3MVANFU","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":"2d05227d418605e01248e62a353444ab77df1a9668eeaa06b4f8a2fed9258042","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-10-11T16:36:40Z","title_canon_sha256":"9d43fff17971a87aec062edcc57cc0b40896d55b189f84c5f0f0c152925a833b"},"schema_version":"1.0","source":{"id":"1310.3189","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.3189","created_at":"2026-05-18T01:47:06Z"},{"alias_kind":"arxiv_version","alias_value":"1310.3189v1","created_at":"2026-05-18T01:47:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.3189","created_at":"2026-05-18T01:47:06Z"},{"alias_kind":"pith_short_12","alias_value":"P6RLLFLYVPK5","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"P6RLLFLYVPK5HCH4","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"P6RLLFLY","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:47a02edba627b069d957468077619ab833741300f1370bb7695b3ec1ed2bc80f","target":"graph","created_at":"2026-05-18T01:47:06Z","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":"CO2 ice is one of the most abundant components in ice-coated interstellar ices besides H2O and CO, but the most favorable path to CO2 ice is still unclear. Molecular dynamics calculations on the ultraviolet photodissociation of different kinds of CO-H2O ice systems have been performed at 10 K in order to demonstrate that the reaction between CO and an OH molecule resulting from H2O photodissociation through the first excited state is a possible route to form CO2 ice. However, our calculations, which take into account different ice surface models, suggest that there is another product with a hi","authors_text":"Carina Arasa, Ewine F. van Dishoeck, Geert-Jan Kroes, Marc C. van Hemert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-10-11T16:36:40Z","title":"Molecular Dynamics Simulations of CO2 Formation in Interstellar Ices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.3189","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:b6a4afec2629a42b17e9dc2f1b3545ed4710751c8f54a6d7f7a78904f5eb9304","target":"record","created_at":"2026-05-18T01:47:06Z","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":"2d05227d418605e01248e62a353444ab77df1a9668eeaa06b4f8a2fed9258042","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-10-11T16:36:40Z","title_canon_sha256":"9d43fff17971a87aec062edcc57cc0b40896d55b189f84c5f0f0c152925a833b"},"schema_version":"1.0","source":{"id":"1310.3189","kind":"arxiv","version":1}},"canonical_sha256":"7fa2b59578abd5d388fc2459b6540d2d3e392873af0fa18656329ab0591ef3a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7fa2b59578abd5d388fc2459b6540d2d3e392873af0fa18656329ab0591ef3a5","first_computed_at":"2026-05-18T01:47:06.425999Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:06.425999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zscyRCKXTWNuaTis9oHuAesrXKTvkFjBK4o0ZaecIGFseB+OCj3jPKPOs+9dSWZqMkOd2MrYezNVoOle3B5pCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:06.426690Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.3189","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6a4afec2629a42b17e9dc2f1b3545ed4710751c8f54a6d7f7a78904f5eb9304","sha256:47a02edba627b069d957468077619ab833741300f1370bb7695b3ec1ed2bc80f"],"state_sha256":"4296dee6d50e2e12dc97d2438a8972a60baf63c79d8e6186bbcbc9a445f2b895"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ke+LMzV2kuBtlKAkik1Ho18CXWCQzxvCR33/hCzpevePikreh4Oz0kU2AnTb2HPIiqeUU9SMWu8lo2CgH+4EAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:08:22.686875Z","bundle_sha256":"4a16b3d76e1e749c36f124d1c1454b7d1b51650b3241c3989023f81ade222237"}}