{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TMQDFOGEH2CYKX75H2D2PXANPO","short_pith_number":"pith:TMQDFOGE","canonical_record":{"source":{"id":"1503.03564","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-12T02:27:17Z","cross_cats_sorted":[],"title_canon_sha256":"ec4f00e929a714c2982d5af8a4963102772fc7696915358510bdc76edde0ad06","abstract_canon_sha256":"7a30f59be71df80210dc1a23e7d3f7415b2b41b36a0c1a0aac22dedd67945e89"},"schema_version":"1.0"},"canonical_sha256":"9b2032b8c43e85855ffd3e87a7dc0d7b8f2ebe3ff44ff21fdf4818c412ddba10","source":{"kind":"arxiv","id":"1503.03564","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.03564","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"arxiv_version","alias_value":"1503.03564v2","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.03564","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"pith_short_12","alias_value":"TMQDFOGEH2CY","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TMQDFOGEH2CYKX75","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TMQDFOGE","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TMQDFOGEH2CYKX75H2D2PXANPO","target":"record","payload":{"canonical_record":{"source":{"id":"1503.03564","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-12T02:27:17Z","cross_cats_sorted":[],"title_canon_sha256":"ec4f00e929a714c2982d5af8a4963102772fc7696915358510bdc76edde0ad06","abstract_canon_sha256":"7a30f59be71df80210dc1a23e7d3f7415b2b41b36a0c1a0aac22dedd67945e89"},"schema_version":"1.0"},"canonical_sha256":"9b2032b8c43e85855ffd3e87a7dc0d7b8f2ebe3ff44ff21fdf4818c412ddba10","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:33.893482Z","signature_b64":"OG9yqk2gLZCDwHJ8+K/5pLQl3xvV05JbzUY2k6uRJBebYaII1F6tTn2sHhNBy4vXKpAzqMJ/90b+iZKVegjxCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b2032b8c43e85855ffd3e87a7dc0d7b8f2ebe3ff44ff21fdf4818c412ddba10","last_reissued_at":"2026-05-18T02:03:33.893034Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:33.893034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.03564","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":"2026-05-18T02:03:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xrfr2aG+c7DZRylGgCFQtwhaLBjXG1OEZoCYmWOvCo5jXKGa+hjRJGfKFriBE/4lAxQY7xWof8VtZD9MJr9PBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:17:37.167920Z"},"content_sha256":"37a22e07451a62c71ec7321f1930af954712fbf124f21c0b42cb3cee7ca91fb4","schema_version":"1.0","event_id":"sha256:37a22e07451a62c71ec7321f1930af954712fbf124f21c0b42cb3cee7ca91fb4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TMQDFOGEH2CYKX75H2D2PXANPO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Relationship Between the Dust and Gas-Phase CO Across the California Molecular Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"(2) Harvard-Smithsonian Center for Astrophysics, (3) Instituto de Astronom\\'ia, (4) Steward Observatory, (5) Department of Physics, (6) University of Vienna, Austria), C. J. Lada (2), C. Rom\\'an-Z\\'u\\~niga (3), E. A. Lada (1), Italy, J. F. Alves (6) ((1) Astronomy Department, J. Forbrich (6), J. H. Bieging (4), M. Lombardi (5), S. Kong (1), The University of Arizona, Unidad Acad\\'emica en Ensenada, Universidad Nacional Aut\\'onoma de M\\'exico, University of Florida, University of Milan, Vienna","submitted_at":"2015-03-12T02:27:17Z","abstract_excerpt":"A deep, wide-field, near-infrared imaging survey was used to construct an extinction map of the southeastern part of the California Molecular Cloud (CMC) with $\\sim$ 0.5 arc min resolution. The same region was also surveyed in the $^{12}$CO(2-1), $^{13}$CO(2-1), C$^{18}$O(2-1) emission lines at the same angular resolution. Strong spatial variations in the abundances of $^{13}$CO and C$^{18}$O were found to be correlated with variations in gas temperature, consistent with temperature dependent CO depletion/desorption on dust grains. The $^{13}$CO to C$^{18}$O abundance ratio was found to increa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.03564","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":"2026-05-18T02:03:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bdetW8sWuGVYtsZAZxwaRgs12bljUBcsgs7tC1YOz0yIvHKSXS1pm8XzAfVxFa1UQxRjqQaQ/BTYsIJAhLCdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:17:37.168412Z"},"content_sha256":"af70fefd0694c70cf318b955ae1fc46eabf5800d7d2e14e164e49dcb0dff30d7","schema_version":"1.0","event_id":"sha256:af70fefd0694c70cf318b955ae1fc46eabf5800d7d2e14e164e49dcb0dff30d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TMQDFOGEH2CYKX75H2D2PXANPO/bundle.json","state_url":"https://pith.science/pith/TMQDFOGEH2CYKX75H2D2PXANPO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TMQDFOGEH2CYKX75H2D2PXANPO/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":"2026-05-26T20:17:37Z","links":{"resolver":"https://pith.science/pith/TMQDFOGEH2CYKX75H2D2PXANPO","bundle":"https://pith.science/pith/TMQDFOGEH2CYKX75H2D2PXANPO/bundle.json","state":"https://pith.science/pith/TMQDFOGEH2CYKX75H2D2PXANPO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TMQDFOGEH2CYKX75H2D2PXANPO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TMQDFOGEH2CYKX75H2D2PXANPO","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":"7a30f59be71df80210dc1a23e7d3f7415b2b41b36a0c1a0aac22dedd67945e89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-12T02:27:17Z","title_canon_sha256":"ec4f00e929a714c2982d5af8a4963102772fc7696915358510bdc76edde0ad06"},"schema_version":"1.0","source":{"id":"1503.03564","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.03564","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"arxiv_version","alias_value":"1503.03564v2","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.03564","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"pith_short_12","alias_value":"TMQDFOGEH2CY","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TMQDFOGEH2CYKX75","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TMQDFOGE","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:af70fefd0694c70cf318b955ae1fc46eabf5800d7d2e14e164e49dcb0dff30d7","target":"graph","created_at":"2026-05-18T02:03:33Z","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":"A deep, wide-field, near-infrared imaging survey was used to construct an extinction map of the southeastern part of the California Molecular Cloud (CMC) with $\\sim$ 0.5 arc min resolution. The same region was also surveyed in the $^{12}$CO(2-1), $^{13}$CO(2-1), C$^{18}$O(2-1) emission lines at the same angular resolution. Strong spatial variations in the abundances of $^{13}$CO and C$^{18}$O were found to be correlated with variations in gas temperature, consistent with temperature dependent CO depletion/desorption on dust grains. The $^{13}$CO to C$^{18}$O abundance ratio was found to increa","authors_text":"(2) Harvard-Smithsonian Center for Astrophysics, (3) Instituto de Astronom\\'ia, (4) Steward Observatory, (5) Department of Physics, (6) University of Vienna, Austria), C. J. Lada (2), C. Rom\\'an-Z\\'u\\~niga (3), E. A. Lada (1), Italy, J. F. Alves (6) ((1) Astronomy Department, J. Forbrich (6), J. H. Bieging (4), M. Lombardi (5), S. Kong (1), The University of Arizona, Unidad Acad\\'emica en Ensenada, Universidad Nacional Aut\\'onoma de M\\'exico, University of Florida, University of Milan, Vienna","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-12T02:27:17Z","title":"The Relationship Between the Dust and Gas-Phase CO Across the California Molecular Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.03564","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":"sha256:37a22e07451a62c71ec7321f1930af954712fbf124f21c0b42cb3cee7ca91fb4","target":"record","created_at":"2026-05-18T02:03:33Z","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":"7a30f59be71df80210dc1a23e7d3f7415b2b41b36a0c1a0aac22dedd67945e89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-03-12T02:27:17Z","title_canon_sha256":"ec4f00e929a714c2982d5af8a4963102772fc7696915358510bdc76edde0ad06"},"schema_version":"1.0","source":{"id":"1503.03564","kind":"arxiv","version":2}},"canonical_sha256":"9b2032b8c43e85855ffd3e87a7dc0d7b8f2ebe3ff44ff21fdf4818c412ddba10","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b2032b8c43e85855ffd3e87a7dc0d7b8f2ebe3ff44ff21fdf4818c412ddba10","first_computed_at":"2026-05-18T02:03:33.893034Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:33.893034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OG9yqk2gLZCDwHJ8+K/5pLQl3xvV05JbzUY2k6uRJBebYaII1F6tTn2sHhNBy4vXKpAzqMJ/90b+iZKVegjxCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:33.893482Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.03564","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37a22e07451a62c71ec7321f1930af954712fbf124f21c0b42cb3cee7ca91fb4","sha256:af70fefd0694c70cf318b955ae1fc46eabf5800d7d2e14e164e49dcb0dff30d7"],"state_sha256":"ab5527519d0fdf9124341dcc46b7facf50201e9e57b318ac98fb9f57c2e100da"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NR0Z+NK/VDgDO/jxkHxshbyyVV4C25qOo92zS7NBMKoMV3ZVHXKAhjlpcp+YJqIZliNXAhF6iCOyysIYK9nTBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:17:37.171633Z","bundle_sha256":"68593642c510dec58ff4e64a09b6ca7b877a858f9f020436cd017aac375aab71"}}