{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:JDXK5XOYEAD34RS4IITNXBMYUH","short_pith_number":"pith:JDXK5XOY","canonical_record":{"source":{"id":"1910.13981","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-30T16:54:07Z","cross_cats_sorted":[],"title_canon_sha256":"28f21c89513ff306a88d10fbdd6ea71f5b4bc4e9e2eea36e47f2ed94708d55f2","abstract_canon_sha256":"49e85968ec56f27d18d9cdfa85633ec2e1b3a005e5024edeeb535ec7cdaa7d2d"},"schema_version":"1.0"},"canonical_sha256":"48eeaeddd82007be465c4226db8598a1ca634b3e154674883f60877333d635fa","source":{"kind":"arxiv","id":"1910.13981","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.13981","created_at":"2026-07-05T00:32:03Z"},{"alias_kind":"arxiv_version","alias_value":"1910.13981v1","created_at":"2026-07-05T00:32:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.13981","created_at":"2026-07-05T00:32:03Z"},{"alias_kind":"pith_short_12","alias_value":"JDXK5XOYEAD3","created_at":"2026-07-05T00:32:03Z"},{"alias_kind":"pith_short_16","alias_value":"JDXK5XOYEAD34RS4","created_at":"2026-07-05T00:32:03Z"},{"alias_kind":"pith_short_8","alias_value":"JDXK5XOY","created_at":"2026-07-05T00:32:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:JDXK5XOYEAD34RS4IITNXBMYUH","target":"record","payload":{"canonical_record":{"source":{"id":"1910.13981","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-30T16:54:07Z","cross_cats_sorted":[],"title_canon_sha256":"28f21c89513ff306a88d10fbdd6ea71f5b4bc4e9e2eea36e47f2ed94708d55f2","abstract_canon_sha256":"49e85968ec56f27d18d9cdfa85633ec2e1b3a005e5024edeeb535ec7cdaa7d2d"},"schema_version":"1.0"},"canonical_sha256":"48eeaeddd82007be465c4226db8598a1ca634b3e154674883f60877333d635fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:32:03.532546Z","signature_b64":"yRZefetZJxjYN6Iz9KAMxKwhg3lg4Ra7PwOVGsSA+jpsDHyWCOS0I5jCbyo1DGLCA1zOIV6DwIu1Okxkc7zYCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48eeaeddd82007be465c4226db8598a1ca634b3e154674883f60877333d635fa","last_reissued_at":"2026-07-05T00:32:03.532096Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:32:03.532096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.13981","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":"2026-07-05T00:32:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X3gkZhqNzUFp31d3xLSdxPX2yDtFGK/lUN2KTfZYnATOopAlAWHXE6n46/OVC/5MrxKJW5Eyv/GkC4/CcfAuDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T09:15:35.271500Z"},"content_sha256":"98d334e194b5c87dd97206cfafd818652204a738cac421108444814dd852aa76","schema_version":"1.0","event_id":"sha256:98d334e194b5c87dd97206cfafd818652204a738cac421108444814dd852aa76"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:JDXK5XOYEAD34RS4IITNXBMYUH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The 3D structure of CO depletion in high-mass prestellar regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Giannetti, A. Lupi, D. R. G. Schleicher, G. Sabatini, S. Bovino, S. Ferrada-Chamorro","submitted_at":"2019-10-30T16:54:07Z","abstract_excerpt":"Disentangling the different stages of the star-formation process, in particular in the high-mass regime, is a challenge in astrophysics. Chemical clocks could help alleviating this problem, but their evolution strongly depends on many parameters, leading to degeneracy in the interpretation of the observational data. One of these uncertainties is the degree of CO depletion. We present here the first self-consistent magneto-hydrodynamic simulations of high-mass star-forming regions at different scales, fully coupled with a non-equilibrium chemical network, which includes C-N-O bearing molecules."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.13981","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1910.13981/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:32:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gxwjE1ILoagGGIhmG2iNgim7vEcoXIu0CZniQ9OlP71jmFvwRGjtmNK/MRKNCyaYxenUK+GmpBEH0o93mE4SAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T09:15:35.271995Z"},"content_sha256":"932140dd0056ee2e195e3d83f7deee7e115cb5e612b742ce24b8032329ac48df","schema_version":"1.0","event_id":"sha256:932140dd0056ee2e195e3d83f7deee7e115cb5e612b742ce24b8032329ac48df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JDXK5XOYEAD34RS4IITNXBMYUH/bundle.json","state_url":"https://pith.science/pith/JDXK5XOYEAD34RS4IITNXBMYUH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JDXK5XOYEAD34RS4IITNXBMYUH/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":"2026-08-09T09:15:35Z","links":{"resolver":"https://pith.science/pith/JDXK5XOYEAD34RS4IITNXBMYUH","bundle":"https://pith.science/pith/JDXK5XOYEAD34RS4IITNXBMYUH/bundle.json","state":"https://pith.science/pith/JDXK5XOYEAD34RS4IITNXBMYUH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JDXK5XOYEAD34RS4IITNXBMYUH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:JDXK5XOYEAD34RS4IITNXBMYUH","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":"49e85968ec56f27d18d9cdfa85633ec2e1b3a005e5024edeeb535ec7cdaa7d2d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-30T16:54:07Z","title_canon_sha256":"28f21c89513ff306a88d10fbdd6ea71f5b4bc4e9e2eea36e47f2ed94708d55f2"},"schema_version":"1.0","source":{"id":"1910.13981","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.13981","created_at":"2026-07-05T00:32:03Z"},{"alias_kind":"arxiv_version","alias_value":"1910.13981v1","created_at":"2026-07-05T00:32:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.13981","created_at":"2026-07-05T00:32:03Z"},{"alias_kind":"pith_short_12","alias_value":"JDXK5XOYEAD3","created_at":"2026-07-05T00:32:03Z"},{"alias_kind":"pith_short_16","alias_value":"JDXK5XOYEAD34RS4","created_at":"2026-07-05T00:32:03Z"},{"alias_kind":"pith_short_8","alias_value":"JDXK5XOY","created_at":"2026-07-05T00:32:03Z"}],"graph_snapshots":[{"event_id":"sha256:932140dd0056ee2e195e3d83f7deee7e115cb5e612b742ce24b8032329ac48df","target":"graph","created_at":"2026-07-05T00:32:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1910.13981/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Disentangling the different stages of the star-formation process, in particular in the high-mass regime, is a challenge in astrophysics. Chemical clocks could help alleviating this problem, but their evolution strongly depends on many parameters, leading to degeneracy in the interpretation of the observational data. One of these uncertainties is the degree of CO depletion. We present here the first self-consistent magneto-hydrodynamic simulations of high-mass star-forming regions at different scales, fully coupled with a non-equilibrium chemical network, which includes C-N-O bearing molecules.","authors_text":"A. Giannetti, A. Lupi, D. R. G. Schleicher, G. Sabatini, S. Bovino, S. Ferrada-Chamorro","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-30T16:54:07Z","title":"The 3D structure of CO depletion in high-mass prestellar regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.13981","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":"sha256:98d334e194b5c87dd97206cfafd818652204a738cac421108444814dd852aa76","target":"record","created_at":"2026-07-05T00:32:03Z","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":"49e85968ec56f27d18d9cdfa85633ec2e1b3a005e5024edeeb535ec7cdaa7d2d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-30T16:54:07Z","title_canon_sha256":"28f21c89513ff306a88d10fbdd6ea71f5b4bc4e9e2eea36e47f2ed94708d55f2"},"schema_version":"1.0","source":{"id":"1910.13981","kind":"arxiv","version":1}},"canonical_sha256":"48eeaeddd82007be465c4226db8598a1ca634b3e154674883f60877333d635fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"48eeaeddd82007be465c4226db8598a1ca634b3e154674883f60877333d635fa","first_computed_at":"2026-07-05T00:32:03.532096Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:32:03.532096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yRZefetZJxjYN6Iz9KAMxKwhg3lg4Ra7PwOVGsSA+jpsDHyWCOS0I5jCbyo1DGLCA1zOIV6DwIu1Okxkc7zYCA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:32:03.532546Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.13981","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:98d334e194b5c87dd97206cfafd818652204a738cac421108444814dd852aa76","sha256:932140dd0056ee2e195e3d83f7deee7e115cb5e612b742ce24b8032329ac48df"],"state_sha256":"2e746d533aa6aeb38d19f8b8dd98277a0a89fa79ab645e90f50cce4c5d6a76ac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A8/QVxT8Jn2t5Bcxjn5CPP9BX5MK8Vj40T8m/QIRd1uQLUw4UJWoWW3VGB+ZnyI32HNNhb908jvTd1SQ8SUQBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T09:15:35.275698Z","bundle_sha256":"28b279b15ee3dd27e25f04f325f3a99ee9628a874ee8873344f4b1788109e16d"}}