{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:G6PN7YYQJOQBXLBNTDAFVNLPZX","short_pith_number":"pith:G6PN7YYQ","schema_version":"1.0","canonical_sha256":"379edfe3104ba01bac2d98c05ab56fcdf73e1d46031e989e794683d57dacbddd","source":{"kind":"arxiv","id":"1302.0688","version":1},"attestation_state":"computed","paper":{"title":"A three-phase chemical model of hot cores: the formation of glycine","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Robin T. Garrod","submitted_at":"2013-02-04T13:57:57Z","abstract_excerpt":"A new chemical model is presented that simulates fully-coupled gas-phase, grain-surface and bulk-ice chemistry in hot cores. Glycine (NH2CH2COOH), the simplest amino acid, and related molecules such as glycinal, propionic acid and propanal, are included in the chemical network. Glycine is found to form in moderate abundance within and upon dust-grain ices via three radical-addition mechanisms, with no single mechanism strongly dominant. Glycine production in the ice occurs over temperatures ~40-120 K. Peak gas-phase glycine fractional abundances lie in the range 8 x 10^{-11} - 8 x 10^{-9}, occ"},"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":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1302.0688","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-02-04T13:57:57Z","cross_cats_sorted":[],"title_canon_sha256":"13d6a8a9f70f44f782a8c8ad8d951f6ef1f5ec014ab6a0bef0bfa275ec4b699d","abstract_canon_sha256":"e629d021a0db1071c14b3e936d9bfb74abab4d631445df67eb56a94773ce4a43"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:50.802801Z","signature_b64":"ohF1glX9mH8BTb9goBzEgwCTzW06USSfhrGSGlRwP57pMQiBGfI1datmjqSvv3FNvpNQm71rB1+Q/GB64EQ8DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"379edfe3104ba01bac2d98c05ab56fcdf73e1d46031e989e794683d57dacbddd","last_reissued_at":"2026-05-18T01:51:50.802404Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:50.802404Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A three-phase chemical model of hot cores: the formation of glycine","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Robin T. Garrod","submitted_at":"2013-02-04T13:57:57Z","abstract_excerpt":"A new chemical model is presented that simulates fully-coupled gas-phase, grain-surface and bulk-ice chemistry in hot cores. Glycine (NH2CH2COOH), the simplest amino acid, and related molecules such as glycinal, propionic acid and propanal, are included in the chemical network. Glycine is found to form in moderate abundance within and upon dust-grain ices via three radical-addition mechanisms, with no single mechanism strongly dominant. Glycine production in the ice occurs over temperatures ~40-120 K. Peak gas-phase glycine fractional abundances lie in the range 8 x 10^{-11} - 8 x 10^{-9}, occ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.0688","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1302.0688","created_at":"2026-05-18T01:51:50.802468+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.0688v1","created_at":"2026-05-18T01:51:50.802468+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.0688","created_at":"2026-05-18T01:51:50.802468+00:00"},{"alias_kind":"pith_short_12","alias_value":"G6PN7YYQJOQB","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_16","alias_value":"G6PN7YYQJOQBXLBN","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_8","alias_value":"G6PN7YYQ","created_at":"2026-05-18T12:27:45.050594+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.21989","citing_title":"Complex organic molecules in the young hot core RCW 120 S2","ref_index":44,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/G6PN7YYQJOQBXLBNTDAFVNLPZX","json":"https://pith.science/pith/G6PN7YYQJOQBXLBNTDAFVNLPZX.json","graph_json":"https://pith.science/api/pith-number/G6PN7YYQJOQBXLBNTDAFVNLPZX/graph.json","events_json":"https://pith.science/api/pith-number/G6PN7YYQJOQBXLBNTDAFVNLPZX/events.json","paper":"https://pith.science/paper/G6PN7YYQ"},"agent_actions":{"view_html":"https://pith.science/pith/G6PN7YYQJOQBXLBNTDAFVNLPZX","download_json":"https://pith.science/pith/G6PN7YYQJOQBXLBNTDAFVNLPZX.json","view_paper":"https://pith.science/paper/G6PN7YYQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.0688&json=true","fetch_graph":"https://pith.science/api/pith-number/G6PN7YYQJOQBXLBNTDAFVNLPZX/graph.json","fetch_events":"https://pith.science/api/pith-number/G6PN7YYQJOQBXLBNTDAFVNLPZX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/G6PN7YYQJOQBXLBNTDAFVNLPZX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/G6PN7YYQJOQBXLBNTDAFVNLPZX/action/storage_attestation","attest_author":"https://pith.science/pith/G6PN7YYQJOQBXLBNTDAFVNLPZX/action/author_attestation","sign_citation":"https://pith.science/pith/G6PN7YYQJOQBXLBNTDAFVNLPZX/action/citation_signature","submit_replication":"https://pith.science/pith/G6PN7YYQJOQBXLBNTDAFVNLPZX/action/replication_record"}},"created_at":"2026-05-18T01:51:50.802468+00:00","updated_at":"2026-05-18T01:51:50.802468+00:00"}