{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:GWOJF742OHDI6L74WQG3TGXBGL","short_pith_number":"pith:GWOJF742","canonical_record":{"source":{"id":"1401.5117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-20T23:00:33Z","cross_cats_sorted":[],"title_canon_sha256":"745ddc3aee92efc96200866607d43bc5668cf13b450bfbd3aecd888b5eaa5c57","abstract_canon_sha256":"31d9a3f7297dae588ef24f8defe84205e9b3985ae1569e2b0570d78cb9696dd9"},"schema_version":"1.0"},"canonical_sha256":"359c92ff9a71c68f2ffcb40db99ae132df557581bffb7c2d27e7aa848047ee19","source":{"kind":"arxiv","id":"1401.5117","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5117","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5117v1","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5117","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"pith_short_12","alias_value":"GWOJF742OHDI","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"GWOJF742OHDI6L74","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"GWOJF742","created_at":"2026-05-18T12:28:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:GWOJF742OHDI6L74WQG3TGXBGL","target":"record","payload":{"canonical_record":{"source":{"id":"1401.5117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-20T23:00:33Z","cross_cats_sorted":[],"title_canon_sha256":"745ddc3aee92efc96200866607d43bc5668cf13b450bfbd3aecd888b5eaa5c57","abstract_canon_sha256":"31d9a3f7297dae588ef24f8defe84205e9b3985ae1569e2b0570d78cb9696dd9"},"schema_version":"1.0"},"canonical_sha256":"359c92ff9a71c68f2ffcb40db99ae132df557581bffb7c2d27e7aa848047ee19","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:18.638990Z","signature_b64":"kVnMQISqBTeBqdkOc5hlpPaiXLeuptueg7pnbJF4wU0O76IIpaQ72747lVYN0HlU1p2OCFzYxhSwIhrjK2mZAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"359c92ff9a71c68f2ffcb40db99ae132df557581bffb7c2d27e7aa848047ee19","last_reissued_at":"2026-05-18T01:45:18.638576Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:18.638576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.5117","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":"2026-05-18T01:45:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3/xAkxUia1sg0F1L4cTWTAPcZPhGynCNfzTGYOVFlILE0YQEuOCU941gMky9Qv1LLn4Um2Nna4qhS+fu3/UFCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:03:15.107870Z"},"content_sha256":"959a74a7e6359fcdf7d668a24ae5007c2cc62e72ca9dc219c9798577b7f64abc","schema_version":"1.0","event_id":"sha256:959a74a7e6359fcdf7d668a24ae5007c2cc62e72ca9dc219c9798577b7f64abc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:GWOJF742OHDI6L74WQG3TGXBGL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The CO-to-H2 Conversion Factor across the Perseus Molecular Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Faviola Z. Molina, Mark G. Wolfire, Min-Young Lee, Rahul Shetty, Ralf S. Klessen, Simon C. O. Glover, Snezana Stanimirovic","submitted_at":"2014-01-20T23:00:33Z","abstract_excerpt":"We derive the CO-to-H2 conversion factor, X_CO = N(H2)/I_CO, across the Perseus molecular cloud on sub-parsec scales by combining the dust-based N(H2) data with the I_CO data from the COMPLETE Survey. We estimate an average X_CO ~ 3 x 10^19 cm^-2 K^-1 km^-1 s and find a factor of ~3 variations in X_CO between the five sub-regions in Perseus. Within the individual regions, X_CO varies by a factor of ~100, suggesting that X_CO strongly depends on local conditions in the interstellar medium. We find that X_CO sharply decreases at Av < 3 mag but gradually increases at Av > 3 mag, with the transiti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5117","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":"2026-05-18T01:45:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"grnTbp2vJTRXeFIQHAZf4uWa86H5AJJ51Uowg+r654DiiANEQ0gwaKRrHooVXjiQ6Uvzi3j7vde6EWD7AlksAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:03:15.108452Z"},"content_sha256":"c832bdd09deec08dde95012d7ae3af1301d8f5c0fa10b5d9237245423f5b3fab","schema_version":"1.0","event_id":"sha256:c832bdd09deec08dde95012d7ae3af1301d8f5c0fa10b5d9237245423f5b3fab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GWOJF742OHDI6L74WQG3TGXBGL/bundle.json","state_url":"https://pith.science/pith/GWOJF742OHDI6L74WQG3TGXBGL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GWOJF742OHDI6L74WQG3TGXBGL/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":"2026-05-28T10:03:15Z","links":{"resolver":"https://pith.science/pith/GWOJF742OHDI6L74WQG3TGXBGL","bundle":"https://pith.science/pith/GWOJF742OHDI6L74WQG3TGXBGL/bundle.json","state":"https://pith.science/pith/GWOJF742OHDI6L74WQG3TGXBGL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GWOJF742OHDI6L74WQG3TGXBGL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:GWOJF742OHDI6L74WQG3TGXBGL","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":"31d9a3f7297dae588ef24f8defe84205e9b3985ae1569e2b0570d78cb9696dd9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-20T23:00:33Z","title_canon_sha256":"745ddc3aee92efc96200866607d43bc5668cf13b450bfbd3aecd888b5eaa5c57"},"schema_version":"1.0","source":{"id":"1401.5117","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5117","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5117v1","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5117","created_at":"2026-05-18T01:45:18Z"},{"alias_kind":"pith_short_12","alias_value":"GWOJF742OHDI","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"GWOJF742OHDI6L74","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"GWOJF742","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:c832bdd09deec08dde95012d7ae3af1301d8f5c0fa10b5d9237245423f5b3fab","target":"graph","created_at":"2026-05-18T01:45:18Z","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 derive the CO-to-H2 conversion factor, X_CO = N(H2)/I_CO, across the Perseus molecular cloud on sub-parsec scales by combining the dust-based N(H2) data with the I_CO data from the COMPLETE Survey. We estimate an average X_CO ~ 3 x 10^19 cm^-2 K^-1 km^-1 s and find a factor of ~3 variations in X_CO between the five sub-regions in Perseus. Within the individual regions, X_CO varies by a factor of ~100, suggesting that X_CO strongly depends on local conditions in the interstellar medium. We find that X_CO sharply decreases at Av < 3 mag but gradually increases at Av > 3 mag, with the transiti","authors_text":"Faviola Z. Molina, Mark G. Wolfire, Min-Young Lee, Rahul Shetty, Ralf S. Klessen, Simon C. O. Glover, Snezana Stanimirovic","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-20T23:00:33Z","title":"The CO-to-H2 Conversion Factor across the Perseus Molecular Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5117","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":"sha256:959a74a7e6359fcdf7d668a24ae5007c2cc62e72ca9dc219c9798577b7f64abc","target":"record","created_at":"2026-05-18T01:45:18Z","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":"31d9a3f7297dae588ef24f8defe84205e9b3985ae1569e2b0570d78cb9696dd9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-20T23:00:33Z","title_canon_sha256":"745ddc3aee92efc96200866607d43bc5668cf13b450bfbd3aecd888b5eaa5c57"},"schema_version":"1.0","source":{"id":"1401.5117","kind":"arxiv","version":1}},"canonical_sha256":"359c92ff9a71c68f2ffcb40db99ae132df557581bffb7c2d27e7aa848047ee19","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"359c92ff9a71c68f2ffcb40db99ae132df557581bffb7c2d27e7aa848047ee19","first_computed_at":"2026-05-18T01:45:18.638576Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:18.638576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kVnMQISqBTeBqdkOc5hlpPaiXLeuptueg7pnbJF4wU0O76IIpaQ72747lVYN0HlU1p2OCFzYxhSwIhrjK2mZAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:18.638990Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.5117","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:959a74a7e6359fcdf7d668a24ae5007c2cc62e72ca9dc219c9798577b7f64abc","sha256:c832bdd09deec08dde95012d7ae3af1301d8f5c0fa10b5d9237245423f5b3fab"],"state_sha256":"b3018c6f8f80330da0e48eb210da3a5ae1d7e1eac4163eb4d0b0622d92396aa3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DPsoeIsV+D4nPTo9x45GLABCxAhbj/2OY9mgN0sb04990u9ixYuMmJDwQSZEq8/0llsugNfgGWLPKZ7bO73xAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:03:15.111209Z","bundle_sha256":"1113c13f005fdf2ed390fe94f9a575b7f82b79d32ade2c4d3cdb8a554725dec1"}}