{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5SIZZ422KKK2DVPJDS5EXTPUJG","short_pith_number":"pith:5SIZZ422","canonical_record":{"source":{"id":"1801.08716","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-26T08:45:20Z","cross_cats_sorted":[],"title_canon_sha256":"f74c6177918ae874dad7a2ba43b76f17c688204b470667b2d148990b6151e59b","abstract_canon_sha256":"911d29941ea6ff6b15e11a931c967bb1e9656696d224e94e67af74704c16d64e"},"schema_version":"1.0"},"canonical_sha256":"ec919cf35a5295a1d5e91cba4bcdf4499da208755a813dc0c486a7061aed2d7d","source":{"kind":"arxiv","id":"1801.08716","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.08716","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"arxiv_version","alias_value":"1801.08716v1","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.08716","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"pith_short_12","alias_value":"5SIZZ422KKK2","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5SIZZ422KKK2DVPJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5SIZZ422","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5SIZZ422KKK2DVPJDS5EXTPUJG","target":"record","payload":{"canonical_record":{"source":{"id":"1801.08716","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-26T08:45:20Z","cross_cats_sorted":[],"title_canon_sha256":"f74c6177918ae874dad7a2ba43b76f17c688204b470667b2d148990b6151e59b","abstract_canon_sha256":"911d29941ea6ff6b15e11a931c967bb1e9656696d224e94e67af74704c16d64e"},"schema_version":"1.0"},"canonical_sha256":"ec919cf35a5295a1d5e91cba4bcdf4499da208755a813dc0c486a7061aed2d7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:06.394302Z","signature_b64":"wFdenWvNb1MZSkCSAwKqGfVlv5l8z9giFrAmUc0ndgoY2v6DtTvrDCQUmAJty/xxu5uPh0WQVD3/IU0Yu5iWBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec919cf35a5295a1d5e91cba4bcdf4499da208755a813dc0c486a7061aed2d7d","last_reissued_at":"2026-05-18T00:21:06.393844Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:06.393844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.08716","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":"2026-05-18T00:21:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hVH/SMcwtj8C9Mj9u4M3G9tX8wjyq7t5qdNeHSwLUeCarbR6Qm7uKcwf0SioK7jHcPovj0k2huuWKXSUqlWODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:54:02.890652Z"},"content_sha256":"c49c593d86d44902ffb568eb1896df92d0ce20fc8e17f9c34c31ba39204cbcae","schema_version":"1.0","event_id":"sha256:c49c593d86d44902ffb568eb1896df92d0ce20fc8e17f9c34c31ba39204cbcae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5SIZZ422KKK2DVPJDS5EXTPUJG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Adsorption energies of carbon, nitrogen, and oxygen atoms on the low-temperature amorphous water ice: A systematic estimation from quantum chemistry calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Kenji Furuya, Naoki Nakatani, Takashi Shimonishi, Tetsuya Hama","submitted_at":"2018-01-26T08:45:20Z","abstract_excerpt":"We propose a new simple computational model to estimate adsorption energies of atoms and molecules to low-temperature amorphous water ice, and we present the adsorption energies of carbon (3P), nitrogen (4S), and oxygen (3P) atoms based on quantum chemistry calculations. The adsorption energies were estimated to be 14100 +- 420 K for carbon, 400 +- 30 K for nitrogen, and 1440 +-160 K for oxygen. The adsorption energy of oxygen is well consistent with experimentally reported value. We found that the binding of a nitrogen atom is purely physisorption, while that of a carbon atom is chemisorption"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.08716","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":"2026-05-18T00:21:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oCav7EBIHHBK0KfXtfkMlZS3FIREEjozr0juDAd3b+uVhiv5LbZ0EfAK2uGW+puR23bPfE62nKPsVcrsNeWmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:54:02.891154Z"},"content_sha256":"d62f421bce9eb19cd94d62a83fd2ef6b485a5b0b4cb7d36fa39b33729c1759c8","schema_version":"1.0","event_id":"sha256:d62f421bce9eb19cd94d62a83fd2ef6b485a5b0b4cb7d36fa39b33729c1759c8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5SIZZ422KKK2DVPJDS5EXTPUJG/bundle.json","state_url":"https://pith.science/pith/5SIZZ422KKK2DVPJDS5EXTPUJG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5SIZZ422KKK2DVPJDS5EXTPUJG/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":"2026-05-30T19:54:02Z","links":{"resolver":"https://pith.science/pith/5SIZZ422KKK2DVPJDS5EXTPUJG","bundle":"https://pith.science/pith/5SIZZ422KKK2DVPJDS5EXTPUJG/bundle.json","state":"https://pith.science/pith/5SIZZ422KKK2DVPJDS5EXTPUJG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5SIZZ422KKK2DVPJDS5EXTPUJG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5SIZZ422KKK2DVPJDS5EXTPUJG","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":"911d29941ea6ff6b15e11a931c967bb1e9656696d224e94e67af74704c16d64e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-26T08:45:20Z","title_canon_sha256":"f74c6177918ae874dad7a2ba43b76f17c688204b470667b2d148990b6151e59b"},"schema_version":"1.0","source":{"id":"1801.08716","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.08716","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"arxiv_version","alias_value":"1801.08716v1","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.08716","created_at":"2026-05-18T00:21:06Z"},{"alias_kind":"pith_short_12","alias_value":"5SIZZ422KKK2","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5SIZZ422KKK2DVPJ","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5SIZZ422","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:d62f421bce9eb19cd94d62a83fd2ef6b485a5b0b4cb7d36fa39b33729c1759c8","target":"graph","created_at":"2026-05-18T00:21:06Z","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":"We propose a new simple computational model to estimate adsorption energies of atoms and molecules to low-temperature amorphous water ice, and we present the adsorption energies of carbon (3P), nitrogen (4S), and oxygen (3P) atoms based on quantum chemistry calculations. The adsorption energies were estimated to be 14100 +- 420 K for carbon, 400 +- 30 K for nitrogen, and 1440 +-160 K for oxygen. The adsorption energy of oxygen is well consistent with experimentally reported value. We found that the binding of a nitrogen atom is purely physisorption, while that of a carbon atom is chemisorption","authors_text":"Kenji Furuya, Naoki Nakatani, Takashi Shimonishi, Tetsuya Hama","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-26T08:45:20Z","title":"Adsorption energies of carbon, nitrogen, and oxygen atoms on the low-temperature amorphous water ice: A systematic estimation from quantum chemistry calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.08716","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:c49c593d86d44902ffb568eb1896df92d0ce20fc8e17f9c34c31ba39204cbcae","target":"record","created_at":"2026-05-18T00:21:06Z","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":"911d29941ea6ff6b15e11a931c967bb1e9656696d224e94e67af74704c16d64e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-26T08:45:20Z","title_canon_sha256":"f74c6177918ae874dad7a2ba43b76f17c688204b470667b2d148990b6151e59b"},"schema_version":"1.0","source":{"id":"1801.08716","kind":"arxiv","version":1}},"canonical_sha256":"ec919cf35a5295a1d5e91cba4bcdf4499da208755a813dc0c486a7061aed2d7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec919cf35a5295a1d5e91cba4bcdf4499da208755a813dc0c486a7061aed2d7d","first_computed_at":"2026-05-18T00:21:06.393844Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:06.393844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wFdenWvNb1MZSkCSAwKqGfVlv5l8z9giFrAmUc0ndgoY2v6DtTvrDCQUmAJty/xxu5uPh0WQVD3/IU0Yu5iWBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:06.394302Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.08716","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c49c593d86d44902ffb568eb1896df92d0ce20fc8e17f9c34c31ba39204cbcae","sha256:d62f421bce9eb19cd94d62a83fd2ef6b485a5b0b4cb7d36fa39b33729c1759c8"],"state_sha256":"1fb4e9652db7190feffaf8c4d67d21e6040abec3fe2bc9d61ac586cc8e4f59d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ipDLH8se3zpW25h1oxLpZSJenFamTFrXGpRF33cMTQed6PzQGGYU4UE4NcC95CMy3p8JsM7996Rwi+52Vc1dAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T19:54:02.893700Z","bundle_sha256":"0ed7cb1968d0fdf686d44d4b2f785f2ba45148448b3e89b668dc87f6f876b252"}}