{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:THC6Z3LRWQP7I2RO5UIR2D75LY","short_pith_number":"pith:THC6Z3LR","canonical_record":{"source":{"id":"1102.4667","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-02-23T06:18:18Z","cross_cats_sorted":[],"title_canon_sha256":"cf85e80a2e8ebcf150bc513b33ac2c9ee38853743ca73133abab5211ba11e3de","abstract_canon_sha256":"de187aa7bf416104349fe88775ff567a33a47b137c3775efb75053881b473393"},"schema_version":"1.0"},"canonical_sha256":"99c5eced71b41ff46a2eed111d0ffd5e386c5019b252404c9f81344dbb3860e4","source":{"kind":"arxiv","id":"1102.4667","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4667","created_at":"2026-05-18T02:03:06Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4667v1","created_at":"2026-05-18T02:03:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4667","created_at":"2026-05-18T02:03:06Z"},{"alias_kind":"pith_short_12","alias_value":"THC6Z3LRWQP7","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"THC6Z3LRWQP7I2RO","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"THC6Z3LR","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:THC6Z3LRWQP7I2RO5UIR2D75LY","target":"record","payload":{"canonical_record":{"source":{"id":"1102.4667","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-02-23T06:18:18Z","cross_cats_sorted":[],"title_canon_sha256":"cf85e80a2e8ebcf150bc513b33ac2c9ee38853743ca73133abab5211ba11e3de","abstract_canon_sha256":"de187aa7bf416104349fe88775ff567a33a47b137c3775efb75053881b473393"},"schema_version":"1.0"},"canonical_sha256":"99c5eced71b41ff46a2eed111d0ffd5e386c5019b252404c9f81344dbb3860e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:06.153277Z","signature_b64":"8QtcuLZ1MohsjXD+wvoWX5POyVoZomh9A462U7btzRSYSedNNMKW0swIAxy1Hi4XxpGqoPtjmUzE515kQYRBCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"99c5eced71b41ff46a2eed111d0ffd5e386c5019b252404c9f81344dbb3860e4","last_reissued_at":"2026-05-18T02:03:06.152277Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:06.152277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.4667","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":"2026-05-18T02:03:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jwcNVbVNHXACH2A572nwjyjK0HPbkVqS7M8ltGZDBfv7hvWc5wRmJMIH5SqBLqtIz0ZRpA5sjD5hz86E7fmcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:16:20.226076Z"},"content_sha256":"6a96dba39717937269bffc631cc22980f4facb9c477d9fe8f9cb7025bbb9fdd2","schema_version":"1.0","event_id":"sha256:6a96dba39717937269bffc631cc22980f4facb9c477d9fe8f9cb7025bbb9fdd2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:THC6Z3LRWQP7I2RO5UIR2D75LY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The CO-H2 conversion factor of diffuse ISM: Bright 12CO emission also traces diffuse gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Harvey S. Liszt (NRAO), J\\'er\\^ome Pety (IRAM, OP), Robert Lucas (JAO)","submitted_at":"2011-02-23T06:18:18Z","abstract_excerpt":"We show that the XCO factor, which converts the CO luminosity into the column density of molecular hydrogen has similar values for dense, fully molecular gas and for diffuse, partially molecular gas. We discuss the reasons of this coincidence and the consequences for the understanding of the interstellar medium."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4667","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":"2026-05-18T02:03:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qkoTQXjvpDsV5Xoz13dpNX2lv1VfqHNh9YC2WCRvryJYCjG1y3u8hQDVIGuVxTP45uEUU8TZkimHJ9jKYn3+DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:16:20.226537Z"},"content_sha256":"7b8cc8b3859b1a2a4549d5fd8c278c006028e94b970b17ec31076b4f7c078f7b","schema_version":"1.0","event_id":"sha256:7b8cc8b3859b1a2a4549d5fd8c278c006028e94b970b17ec31076b4f7c078f7b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/THC6Z3LRWQP7I2RO5UIR2D75LY/bundle.json","state_url":"https://pith.science/pith/THC6Z3LRWQP7I2RO5UIR2D75LY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/THC6Z3LRWQP7I2RO5UIR2D75LY/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":"2026-05-30T06:16:20Z","links":{"resolver":"https://pith.science/pith/THC6Z3LRWQP7I2RO5UIR2D75LY","bundle":"https://pith.science/pith/THC6Z3LRWQP7I2RO5UIR2D75LY/bundle.json","state":"https://pith.science/pith/THC6Z3LRWQP7I2RO5UIR2D75LY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/THC6Z3LRWQP7I2RO5UIR2D75LY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:THC6Z3LRWQP7I2RO5UIR2D75LY","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":"de187aa7bf416104349fe88775ff567a33a47b137c3775efb75053881b473393","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-02-23T06:18:18Z","title_canon_sha256":"cf85e80a2e8ebcf150bc513b33ac2c9ee38853743ca73133abab5211ba11e3de"},"schema_version":"1.0","source":{"id":"1102.4667","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4667","created_at":"2026-05-18T02:03:06Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4667v1","created_at":"2026-05-18T02:03:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4667","created_at":"2026-05-18T02:03:06Z"},{"alias_kind":"pith_short_12","alias_value":"THC6Z3LRWQP7","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"THC6Z3LRWQP7I2RO","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"THC6Z3LR","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:7b8cc8b3859b1a2a4549d5fd8c278c006028e94b970b17ec31076b4f7c078f7b","target":"graph","created_at":"2026-05-18T02:03:06Z","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":"We show that the XCO factor, which converts the CO luminosity into the column density of molecular hydrogen has similar values for dense, fully molecular gas and for diffuse, partially molecular gas. We discuss the reasons of this coincidence and the consequences for the understanding of the interstellar medium.","authors_text":"Harvey S. Liszt (NRAO), J\\'er\\^ome Pety (IRAM, OP), Robert Lucas (JAO)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-02-23T06:18:18Z","title":"The CO-H2 conversion factor of diffuse ISM: Bright 12CO emission also traces diffuse gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4667","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":"sha256:6a96dba39717937269bffc631cc22980f4facb9c477d9fe8f9cb7025bbb9fdd2","target":"record","created_at":"2026-05-18T02:03:06Z","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":"de187aa7bf416104349fe88775ff567a33a47b137c3775efb75053881b473393","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-02-23T06:18:18Z","title_canon_sha256":"cf85e80a2e8ebcf150bc513b33ac2c9ee38853743ca73133abab5211ba11e3de"},"schema_version":"1.0","source":{"id":"1102.4667","kind":"arxiv","version":1}},"canonical_sha256":"99c5eced71b41ff46a2eed111d0ffd5e386c5019b252404c9f81344dbb3860e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99c5eced71b41ff46a2eed111d0ffd5e386c5019b252404c9f81344dbb3860e4","first_computed_at":"2026-05-18T02:03:06.152277Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:06.152277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8QtcuLZ1MohsjXD+wvoWX5POyVoZomh9A462U7btzRSYSedNNMKW0swIAxy1Hi4XxpGqoPtjmUzE515kQYRBCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:06.153277Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.4667","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a96dba39717937269bffc631cc22980f4facb9c477d9fe8f9cb7025bbb9fdd2","sha256:7b8cc8b3859b1a2a4549d5fd8c278c006028e94b970b17ec31076b4f7c078f7b"],"state_sha256":"51465517b8037ad0b64e5103c5951f6db16172f25cb5b7f123823b6f0b560e0b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FCBTH7+qD/+ylo6CsuKV0iWyeRhPCSDTjrvE8DywVWkxo47mhlFyf5szXXNapRxjt4XzCM49rLU/CH0zKSkFCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:16:20.228664Z","bundle_sha256":"eab7b5ba5e88cb311fa8baf467c47e2faab2e7497973e314d6d90307412c2370"}}