{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:E65VKQWWT7XHJRRZRVDGOAKAMS","short_pith_number":"pith:E65VKQWW","canonical_record":{"source":{"id":"1306.3012","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-13T03:02:57Z","cross_cats_sorted":[],"title_canon_sha256":"d572a8fec52b1c46a8e4460f39d7e8e60fa63f3042074ea297ff085e1ffee6e1","abstract_canon_sha256":"4d7bfcd4bd5bcca59513eb0159cd9abf1ccc9ddb1ce95d805acdeeb038cfcffe"},"schema_version":"1.0"},"canonical_sha256":"27bb5542d69fee74c6398d4667014064a366ae5cb649aaf4a479971a02ca1cdb","source":{"kind":"arxiv","id":"1306.3012","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.3012","created_at":"2026-05-18T02:55:59Z"},{"alias_kind":"arxiv_version","alias_value":"1306.3012v3","created_at":"2026-05-18T02:55:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.3012","created_at":"2026-05-18T02:55:59Z"},{"alias_kind":"pith_short_12","alias_value":"E65VKQWWT7XH","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"E65VKQWWT7XHJRRZ","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"E65VKQWW","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:E65VKQWWT7XHJRRZRVDGOAKAMS","target":"record","payload":{"canonical_record":{"source":{"id":"1306.3012","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-13T03:02:57Z","cross_cats_sorted":[],"title_canon_sha256":"d572a8fec52b1c46a8e4460f39d7e8e60fa63f3042074ea297ff085e1ffee6e1","abstract_canon_sha256":"4d7bfcd4bd5bcca59513eb0159cd9abf1ccc9ddb1ce95d805acdeeb038cfcffe"},"schema_version":"1.0"},"canonical_sha256":"27bb5542d69fee74c6398d4667014064a366ae5cb649aaf4a479971a02ca1cdb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:55:59.002871Z","signature_b64":"HYmW5hiQXSfGcgOrI4mp4Zo2uYOq/cfNv7hQw8RxQt/pm0hEtOua/ulRAfX7f/jqMq29Le/aIgKpRoyet4o3CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27bb5542d69fee74c6398d4667014064a366ae5cb649aaf4a479971a02ca1cdb","last_reissued_at":"2026-05-18T02:55:59.002472Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:55:59.002472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.3012","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:55:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s2kS7H7W8QpxvHN4KTN24ulZdfP3mYex0dLju/P9hcAYYf3vqpQrhEhO7hRMTacH6rlsiw4AojO978IwwZN9CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T14:38:49.225396Z"},"content_sha256":"d0be7b2f0482818ccb0dc9f2b7957402d95867d3e7144bbf48334eaaf7a011fb","schema_version":"1.0","event_id":"sha256:d0be7b2f0482818ccb0dc9f2b7957402d95867d3e7144bbf48334eaaf7a011fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:E65VKQWWT7XHJRRZRVDGOAKAMS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ionization toward the high-mass star-forming region NGC 6334 I","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. Ceccarelli, D. C. Lis, J. L. Morales Ortiz, L. Olmi, P. Schilke, R. Plume","submitted_at":"2013-06-13T03:02:57Z","abstract_excerpt":"Context. Ionization plays a central role in the gas-phase chemistry of molecular clouds. Since ions are coupled with magnetic fields, which can in turn counteract gravitational collapse, it is of paramount importance to measure their abundance in star-forming regions. Aims. We use spectral line observations of the high-mass star-forming region NGC 6334 I to derive the abundance of two of the most abundant molecular ions, HCO+ and N2H+, and consequently, the cosmic ray ionization rate. In addition, the line profiles provide information about the kinematics of this region. Methods. We present hi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.3012","kind":"arxiv","version":3},"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":"2026-05-18T02:55:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zTaCqln04f09mYO+PRdehMqkuyenNab92XBtLvoPrp7JU3OYMTYy4g4182+0H1I+WeJhyd66TQCCEgVD+hkaAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T14:38:49.225751Z"},"content_sha256":"6d7fb8457d43ae995b3fc9459b3b1c02227a6ef0123aec349be7e5258ed087ce","schema_version":"1.0","event_id":"sha256:6d7fb8457d43ae995b3fc9459b3b1c02227a6ef0123aec349be7e5258ed087ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E65VKQWWT7XHJRRZRVDGOAKAMS/bundle.json","state_url":"https://pith.science/pith/E65VKQWWT7XHJRRZRVDGOAKAMS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E65VKQWWT7XHJRRZRVDGOAKAMS/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":"2026-06-04T14:38:49Z","links":{"resolver":"https://pith.science/pith/E65VKQWWT7XHJRRZRVDGOAKAMS","bundle":"https://pith.science/pith/E65VKQWWT7XHJRRZRVDGOAKAMS/bundle.json","state":"https://pith.science/pith/E65VKQWWT7XHJRRZRVDGOAKAMS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E65VKQWWT7XHJRRZRVDGOAKAMS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:E65VKQWWT7XHJRRZRVDGOAKAMS","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":"4d7bfcd4bd5bcca59513eb0159cd9abf1ccc9ddb1ce95d805acdeeb038cfcffe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-13T03:02:57Z","title_canon_sha256":"d572a8fec52b1c46a8e4460f39d7e8e60fa63f3042074ea297ff085e1ffee6e1"},"schema_version":"1.0","source":{"id":"1306.3012","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.3012","created_at":"2026-05-18T02:55:59Z"},{"alias_kind":"arxiv_version","alias_value":"1306.3012v3","created_at":"2026-05-18T02:55:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.3012","created_at":"2026-05-18T02:55:59Z"},{"alias_kind":"pith_short_12","alias_value":"E65VKQWWT7XH","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"E65VKQWWT7XHJRRZ","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"E65VKQWW","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:6d7fb8457d43ae995b3fc9459b3b1c02227a6ef0123aec349be7e5258ed087ce","target":"graph","created_at":"2026-05-18T02:55:59Z","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":"Context. Ionization plays a central role in the gas-phase chemistry of molecular clouds. Since ions are coupled with magnetic fields, which can in turn counteract gravitational collapse, it is of paramount importance to measure their abundance in star-forming regions. Aims. We use spectral line observations of the high-mass star-forming region NGC 6334 I to derive the abundance of two of the most abundant molecular ions, HCO+ and N2H+, and consequently, the cosmic ray ionization rate. In addition, the line profiles provide information about the kinematics of this region. Methods. We present hi","authors_text":"C. Ceccarelli, D. C. Lis, J. L. Morales Ortiz, L. Olmi, P. Schilke, R. Plume","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-13T03:02:57Z","title":"Ionization toward the high-mass star-forming region NGC 6334 I"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.3012","kind":"arxiv","version":3},"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:d0be7b2f0482818ccb0dc9f2b7957402d95867d3e7144bbf48334eaaf7a011fb","target":"record","created_at":"2026-05-18T02:55:59Z","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":"4d7bfcd4bd5bcca59513eb0159cd9abf1ccc9ddb1ce95d805acdeeb038cfcffe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-06-13T03:02:57Z","title_canon_sha256":"d572a8fec52b1c46a8e4460f39d7e8e60fa63f3042074ea297ff085e1ffee6e1"},"schema_version":"1.0","source":{"id":"1306.3012","kind":"arxiv","version":3}},"canonical_sha256":"27bb5542d69fee74c6398d4667014064a366ae5cb649aaf4a479971a02ca1cdb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27bb5542d69fee74c6398d4667014064a366ae5cb649aaf4a479971a02ca1cdb","first_computed_at":"2026-05-18T02:55:59.002472Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:55:59.002472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HYmW5hiQXSfGcgOrI4mp4Zo2uYOq/cfNv7hQw8RxQt/pm0hEtOua/ulRAfX7f/jqMq29Le/aIgKpRoyet4o3CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:55:59.002871Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.3012","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d0be7b2f0482818ccb0dc9f2b7957402d95867d3e7144bbf48334eaaf7a011fb","sha256:6d7fb8457d43ae995b3fc9459b3b1c02227a6ef0123aec349be7e5258ed087ce"],"state_sha256":"36cdf32ca1b4edadd6bc3dd8a170b5d483d3821c9d069914b93e33868b3da507"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vS4jSU/veraIz0FoqXvDZnYeBYItIF9imhF4662pyrJLCmPvAsv5JqY4khz8oHLyx1nAZRzfxYZTzA3e7M8JAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T14:38:49.227872Z","bundle_sha256":"769278bbbb71ae6cfa782affccf9a25de9d3e0465f0de7f9a1aab3be05882431"}}