{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:JBQHJESTSWMD7U22BE5O3FGHDS","short_pith_number":"pith:JBQHJEST","canonical_record":{"source":{"id":"1107.3368","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-07-18T07:22:10Z","cross_cats_sorted":[],"title_canon_sha256":"deb9fa23c4060610321b421a12646a8d1b7e2138c406a734a42b0f6a09b877b2","abstract_canon_sha256":"11c1ac7ec2ee78227097a642ec8c3ebd1af6c694488630e443a6998c6e8e2336"},"schema_version":"1.0"},"canonical_sha256":"486074925395983fd35a093aed94c71c8105d0ae03130684763a038c225949ff","source":{"kind":"arxiv","id":"1107.3368","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.3368","created_at":"2026-05-18T02:01:15Z"},{"alias_kind":"arxiv_version","alias_value":"1107.3368v2","created_at":"2026-05-18T02:01:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.3368","created_at":"2026-05-18T02:01:15Z"},{"alias_kind":"pith_short_12","alias_value":"JBQHJESTSWMD","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JBQHJESTSWMD7U22","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JBQHJEST","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:JBQHJESTSWMD7U22BE5O3FGHDS","target":"record","payload":{"canonical_record":{"source":{"id":"1107.3368","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-07-18T07:22:10Z","cross_cats_sorted":[],"title_canon_sha256":"deb9fa23c4060610321b421a12646a8d1b7e2138c406a734a42b0f6a09b877b2","abstract_canon_sha256":"11c1ac7ec2ee78227097a642ec8c3ebd1af6c694488630e443a6998c6e8e2336"},"schema_version":"1.0"},"canonical_sha256":"486074925395983fd35a093aed94c71c8105d0ae03130684763a038c225949ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:15.681633Z","signature_b64":"cYFveDf5oYXF92J0XuO1FKoIFie6Hj5p1zJIHqnD0272b/jdmqKAVAV8DfSfM4I8DsUQvHHeWh4cc7ILGpvCAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"486074925395983fd35a093aed94c71c8105d0ae03130684763a038c225949ff","last_reissued_at":"2026-05-18T02:01:15.680920Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:15.680920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.3368","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:01:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NQ0/EVISkcAMHQBOy800OOAu5EJyoSwk5dIw1S3Vb0LASH+YY8v/2+eXc5IcD6oLL8s++U0/CSRse6rV8AsuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T07:32:15.003911Z"},"content_sha256":"9d4700f5df2e8196f3621e42e9837ac9337121f958e88888e98f95e67d175704","schema_version":"1.0","event_id":"sha256:9d4700f5df2e8196f3621e42e9837ac9337121f958e88888e98f95e67d175704"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:JBQHJESTSWMD7U22BE5O3FGHDS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiative transfer and molecular data for astrochemistry (Review)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Floris van der Tak (SRON Groningen, the Netherlands)","submitted_at":"2011-07-18T07:22:10Z","abstract_excerpt":"The estimation of molecular abundances in interstellar clouds from spectroscopic observations requires radiative transfer calculations, which depend on basic molecular input data. This paper reviews recent developments in the fields of molecular data and radiative transfer. The first part is an overview of radiative transfer techniques, along with a \"road map\" showing which technique should be used in which situation. The second part is a review of measurements and calculations of molecular spectroscopic and collisional data, with a summary of recent collisional calculations and suggested mode"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.3368","kind":"arxiv","version":2},"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":"2026-05-18T02:01:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+0Z4KSUWA6DjkG/lUlmHRsEwOphqmlZEVBkePSDPmBSvGz+678d7u8Aaqrmm2F5FNBjF4i8kdBchIE+xSeCAAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T07:32:15.004587Z"},"content_sha256":"cff19ba854311f850b4740aa0864b59472c936b757b625705833b79d55559534","schema_version":"1.0","event_id":"sha256:cff19ba854311f850b4740aa0864b59472c936b757b625705833b79d55559534"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JBQHJESTSWMD7U22BE5O3FGHDS/bundle.json","state_url":"https://pith.science/pith/JBQHJESTSWMD7U22BE5O3FGHDS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JBQHJESTSWMD7U22BE5O3FGHDS/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":"2026-06-11T07:32:15Z","links":{"resolver":"https://pith.science/pith/JBQHJESTSWMD7U22BE5O3FGHDS","bundle":"https://pith.science/pith/JBQHJESTSWMD7U22BE5O3FGHDS/bundle.json","state":"https://pith.science/pith/JBQHJESTSWMD7U22BE5O3FGHDS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JBQHJESTSWMD7U22BE5O3FGHDS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JBQHJESTSWMD7U22BE5O3FGHDS","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":"11c1ac7ec2ee78227097a642ec8c3ebd1af6c694488630e443a6998c6e8e2336","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-07-18T07:22:10Z","title_canon_sha256":"deb9fa23c4060610321b421a12646a8d1b7e2138c406a734a42b0f6a09b877b2"},"schema_version":"1.0","source":{"id":"1107.3368","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.3368","created_at":"2026-05-18T02:01:15Z"},{"alias_kind":"arxiv_version","alias_value":"1107.3368v2","created_at":"2026-05-18T02:01:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.3368","created_at":"2026-05-18T02:01:15Z"},{"alias_kind":"pith_short_12","alias_value":"JBQHJESTSWMD","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JBQHJESTSWMD7U22","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JBQHJEST","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:cff19ba854311f850b4740aa0864b59472c936b757b625705833b79d55559534","target":"graph","created_at":"2026-05-18T02:01:15Z","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":"The estimation of molecular abundances in interstellar clouds from spectroscopic observations requires radiative transfer calculations, which depend on basic molecular input data. This paper reviews recent developments in the fields of molecular data and radiative transfer. The first part is an overview of radiative transfer techniques, along with a \"road map\" showing which technique should be used in which situation. The second part is a review of measurements and calculations of molecular spectroscopic and collisional data, with a summary of recent collisional calculations and suggested mode","authors_text":"Floris van der Tak (SRON Groningen, the Netherlands)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-07-18T07:22:10Z","title":"Radiative transfer and molecular data for astrochemistry (Review)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.3368","kind":"arxiv","version":2},"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":"sha256:9d4700f5df2e8196f3621e42e9837ac9337121f958e88888e98f95e67d175704","target":"record","created_at":"2026-05-18T02:01:15Z","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":"11c1ac7ec2ee78227097a642ec8c3ebd1af6c694488630e443a6998c6e8e2336","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-07-18T07:22:10Z","title_canon_sha256":"deb9fa23c4060610321b421a12646a8d1b7e2138c406a734a42b0f6a09b877b2"},"schema_version":"1.0","source":{"id":"1107.3368","kind":"arxiv","version":2}},"canonical_sha256":"486074925395983fd35a093aed94c71c8105d0ae03130684763a038c225949ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"486074925395983fd35a093aed94c71c8105d0ae03130684763a038c225949ff","first_computed_at":"2026-05-18T02:01:15.680920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:15.680920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cYFveDf5oYXF92J0XuO1FKoIFie6Hj5p1zJIHqnD0272b/jdmqKAVAV8DfSfM4I8DsUQvHHeWh4cc7ILGpvCAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:15.681633Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.3368","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9d4700f5df2e8196f3621e42e9837ac9337121f958e88888e98f95e67d175704","sha256:cff19ba854311f850b4740aa0864b59472c936b757b625705833b79d55559534"],"state_sha256":"f5d95932e7c49320c1dc0b31ab444f3c56c31db9caae3864e8cb2119413a9fe2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7lAqnCn+UG8u3myApxJAunrRtz871R8WwvruhkINpgESk2nDO5cfWkeXZysS9F1JgpKrKhn0ntVW2BsnBio2AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T07:32:15.008604Z","bundle_sha256":"e84f9dda76fd3253ea9e6bf17d87ea24e2b60ea7ed510a52412f3a1a82ae12c2"}}