{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:Q5ENCAVDOKARVLIKZN45HRMME6","short_pith_number":"pith:Q5ENCAVD","canonical_record":{"source":{"id":"1409.2473","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-08T19:19:18Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"636d1038e5c1dd831401d0ac3b19ecc7155a1ec0e70c37e25edc3a75a7e0cbb2","abstract_canon_sha256":"055c8faec76689c6cd974d511deb842e8f7972776d8aff5d397a2a31648ee9e3"},"schema_version":"1.0"},"canonical_sha256":"8748d102a372811aad0acb79d3c58c279ace7cc12fe0de26e3cc8be79dd911d9","source":{"kind":"arxiv","id":"1409.2473","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.2473","created_at":"2026-05-18T02:43:16Z"},{"alias_kind":"arxiv_version","alias_value":"1409.2473v1","created_at":"2026-05-18T02:43:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.2473","created_at":"2026-05-18T02:43:16Z"},{"alias_kind":"pith_short_12","alias_value":"Q5ENCAVDOKAR","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"Q5ENCAVDOKARVLIK","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"Q5ENCAVD","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:Q5ENCAVDOKARVLIKZN45HRMME6","target":"record","payload":{"canonical_record":{"source":{"id":"1409.2473","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-08T19:19:18Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"636d1038e5c1dd831401d0ac3b19ecc7155a1ec0e70c37e25edc3a75a7e0cbb2","abstract_canon_sha256":"055c8faec76689c6cd974d511deb842e8f7972776d8aff5d397a2a31648ee9e3"},"schema_version":"1.0"},"canonical_sha256":"8748d102a372811aad0acb79d3c58c279ace7cc12fe0de26e3cc8be79dd911d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:43:16.922234Z","signature_b64":"SG8Af6/4TM5ik4d/IiL/VP9NRku5HRe68xyZ8UDZSVQmtaQQ56dmf3q61EsMPo3d7G+EJcS0TPfWwWcnBuGjAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8748d102a372811aad0acb79d3c58c279ace7cc12fe0de26e3cc8be79dd911d9","last_reissued_at":"2026-05-18T02:43:16.921616Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:43:16.921616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.2473","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":"2026-05-18T02:43:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x3BI1hITMSPx4MY42TQ6fGXI6Lid5GcAu7frzBx+5R9VQyZxPkuF9gQyfnvMEG6lWu/aMSTp1jxxIVq0/K2iAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:16:49.730980Z"},"content_sha256":"b0a6da8e9818008029b68f482994b254ce54010596a60138053f90b798bd310e","schema_version":"1.0","event_id":"sha256:b0a6da8e9818008029b68f482994b254ce54010596a60138053f90b798bd310e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:Q5ENCAVDOKARVLIKZN45HRMME6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Methanol Along the Path from Envelope to Protoplanetary Disc","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Catherine Walsh, Daniel Harsono, Ewine F. van Dishoeck, Maria N. Drozdovskaya, Ruud Visser","submitted_at":"2014-09-08T19:19:18Z","abstract_excerpt":"Interstellar methanol is considered to be a parent species of larger, more complex organic molecules. A physicochemical simulation of infalling parcels of matter is performed for a low-mass star-forming system to trace the chemical evolution from cloud to disc. An axisymmetric 2D semi-analytic model generates the time-dependent density and velocity distributions, and full continuum radiative transfer is performed to calculate the dust temperature and the UV radiation field at each position as a function of time. A comprehensive gas-grain chemical network is employed to compute the chemical abu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.2473","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":"2026-05-18T02:43:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5oEOITkvnxIGtDOl+Lcze/sBZRTfgeNcJpJ+4Cx/qGiRtbVN4Y3ua6nYnC+Pv+yCX7pyrDEtAWoI+VQA3LysAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:16:49.731545Z"},"content_sha256":"4f48774996959c3bd9bc4f7d4b9d04f54ee333cdb89263f33074d9890287bd63","schema_version":"1.0","event_id":"sha256:4f48774996959c3bd9bc4f7d4b9d04f54ee333cdb89263f33074d9890287bd63"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q5ENCAVDOKARVLIKZN45HRMME6/bundle.json","state_url":"https://pith.science/pith/Q5ENCAVDOKARVLIKZN45HRMME6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q5ENCAVDOKARVLIKZN45HRMME6/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":"2026-05-25T20:16:49Z","links":{"resolver":"https://pith.science/pith/Q5ENCAVDOKARVLIKZN45HRMME6","bundle":"https://pith.science/pith/Q5ENCAVDOKARVLIKZN45HRMME6/bundle.json","state":"https://pith.science/pith/Q5ENCAVDOKARVLIKZN45HRMME6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q5ENCAVDOKARVLIKZN45HRMME6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Q5ENCAVDOKARVLIKZN45HRMME6","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":"055c8faec76689c6cd974d511deb842e8f7972776d8aff5d397a2a31648ee9e3","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-08T19:19:18Z","title_canon_sha256":"636d1038e5c1dd831401d0ac3b19ecc7155a1ec0e70c37e25edc3a75a7e0cbb2"},"schema_version":"1.0","source":{"id":"1409.2473","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.2473","created_at":"2026-05-18T02:43:16Z"},{"alias_kind":"arxiv_version","alias_value":"1409.2473v1","created_at":"2026-05-18T02:43:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.2473","created_at":"2026-05-18T02:43:16Z"},{"alias_kind":"pith_short_12","alias_value":"Q5ENCAVDOKAR","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"Q5ENCAVDOKARVLIK","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"Q5ENCAVD","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:4f48774996959c3bd9bc4f7d4b9d04f54ee333cdb89263f33074d9890287bd63","target":"graph","created_at":"2026-05-18T02:43:16Z","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":"Interstellar methanol is considered to be a parent species of larger, more complex organic molecules. A physicochemical simulation of infalling parcels of matter is performed for a low-mass star-forming system to trace the chemical evolution from cloud to disc. An axisymmetric 2D semi-analytic model generates the time-dependent density and velocity distributions, and full continuum radiative transfer is performed to calculate the dust temperature and the UV radiation field at each position as a function of time. A comprehensive gas-grain chemical network is employed to compute the chemical abu","authors_text":"Catherine Walsh, Daniel Harsono, Ewine F. van Dishoeck, Maria N. Drozdovskaya, Ruud Visser","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-08T19:19:18Z","title":"Methanol Along the Path from Envelope to Protoplanetary Disc"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.2473","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:b0a6da8e9818008029b68f482994b254ce54010596a60138053f90b798bd310e","target":"record","created_at":"2026-05-18T02:43:16Z","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":"055c8faec76689c6cd974d511deb842e8f7972776d8aff5d397a2a31648ee9e3","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-08T19:19:18Z","title_canon_sha256":"636d1038e5c1dd831401d0ac3b19ecc7155a1ec0e70c37e25edc3a75a7e0cbb2"},"schema_version":"1.0","source":{"id":"1409.2473","kind":"arxiv","version":1}},"canonical_sha256":"8748d102a372811aad0acb79d3c58c279ace7cc12fe0de26e3cc8be79dd911d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8748d102a372811aad0acb79d3c58c279ace7cc12fe0de26e3cc8be79dd911d9","first_computed_at":"2026-05-18T02:43:16.921616Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:43:16.921616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SG8Af6/4TM5ik4d/IiL/VP9NRku5HRe68xyZ8UDZSVQmtaQQ56dmf3q61EsMPo3d7G+EJcS0TPfWwWcnBuGjAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:43:16.922234Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.2473","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b0a6da8e9818008029b68f482994b254ce54010596a60138053f90b798bd310e","sha256:4f48774996959c3bd9bc4f7d4b9d04f54ee333cdb89263f33074d9890287bd63"],"state_sha256":"08e87fb29527418568d53531ffe468bfa3682bb8e4d09ede6d7505b3cce13fff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fiddomAn63BcdGPMOf27f/WS+/xXrJmANJXjyUjzG9ytkSqXtXqIgpdF05oWRZj3EUjUb3eN+QQ5wDu3/Wc2Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:16:49.734989Z","bundle_sha256":"c7212bca84debc3fc6dfb4544fb31537dd7245690d9bd97af9a98da042b06d9a"}}