{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:WGX67B76765ICTFUGXWUV7QDV2","short_pith_number":"pith:WGX67B76","canonical_record":{"source":{"id":"1405.1629","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T14:48:00Z","cross_cats_sorted":[],"title_canon_sha256":"0b430e896bd7946500413d356fc18f01c61156210c3267b28357d62b2018c987","abstract_canon_sha256":"b8a42ab567d08fac7ac97bd17ebdf656bdbcb721fd7c823a830d71f7bed8df01"},"schema_version":"1.0"},"canonical_sha256":"b1afef87feffba814cb435ed4afe03ae9bbea2c67670a24180e55c25aff9e3e6","source":{"kind":"arxiv","id":"1405.1629","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.1629","created_at":"2026-05-18T01:43:16Z"},{"alias_kind":"arxiv_version","alias_value":"1405.1629v1","created_at":"2026-05-18T01:43:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1629","created_at":"2026-05-18T01:43:16Z"},{"alias_kind":"pith_short_12","alias_value":"WGX67B76765I","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WGX67B76765ICTFU","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WGX67B76","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:WGX67B76765ICTFUGXWUV7QDV2","target":"record","payload":{"canonical_record":{"source":{"id":"1405.1629","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T14:48:00Z","cross_cats_sorted":[],"title_canon_sha256":"0b430e896bd7946500413d356fc18f01c61156210c3267b28357d62b2018c987","abstract_canon_sha256":"b8a42ab567d08fac7ac97bd17ebdf656bdbcb721fd7c823a830d71f7bed8df01"},"schema_version":"1.0"},"canonical_sha256":"b1afef87feffba814cb435ed4afe03ae9bbea2c67670a24180e55c25aff9e3e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:16.661342Z","signature_b64":"sgvrMjWIHeUjXeJ2eKSD+z9LQLGIAY0i5XtSksL4yPOygOYiqw2Il8o6dq+tE48lGoHowp5GekPJKQsNK7c6CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1afef87feffba814cb435ed4afe03ae9bbea2c67670a24180e55c25aff9e3e6","last_reissued_at":"2026-05-18T01:43:16.660667Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:16.660667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.1629","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":"2026-05-18T01:43:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AjUHeCP4ub9ojzf2P6B/iOrS7kVYooWQywtHWwaHFvC6dxE3g5yiRxjBroqVmQJQwsCpv3PMqEpwPr2rOQh9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T02:46:00.240394Z"},"content_sha256":"66ad59d929c00d0ef343b72a7f7eb771549aae644d86d530454d2e0ee0e5821f","schema_version":"1.0","event_id":"sha256:66ad59d929c00d0ef343b72a7f7eb771549aae644d86d530454d2e0ee0e5821f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:WGX67B76765ICTFUGXWUV7QDV2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancement of CO(3-2)/CO(1-0) Ratios and Star Formation Efficiencies in Supergiant HII Regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Akihiko Hirota, Daniel Espada, Hiroyuki Kaneko, Kazuyuki Muraoka, Kosuke Fujii, Kotaro Kohno, Kouichiro Nakanishi, Nario Kuno, Rie E. Miura, Ryohei Kawabe, Sachiko K. Okumura, Sachiko Onodera, Shinya Komugi, Tetsuhiro Minamidani, Tomoka Tosaki, Tsuyoshi Sawada","submitted_at":"2014-05-07T14:48:00Z","abstract_excerpt":"We present evidence that super giant HII regions (GHRs) and other disk regions of the nearby spiral galaxy, M33, occupy distinct locations in the correlation between molecular gas, $\\Sigma_{\\rm H_2}$, and the star formation rate surface density, $\\Sigma_{\\rm SFR}$. This result is based on wide field and high sensitivity CO(3-2) observations at 100 pc resolution. Star formation efficiencies (SFE), defined as $\\Sigma_{\\rm SFR}$/$\\Sigma_{\\rm H_2}$, in GHRs are found to be about 1 dex higher than in other disk regions. The CO(3-2)/CO(1-0) integrated intensity ratio is also higher than the average "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1629","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":"2026-05-18T01:43:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZE8DaiY5wjhpkYDE4AiMA28Zcbp8HiNWaQc5mmn+0aBnUv8OZHegzuYV7kvJ42gfXeWXSO4r4TkHDimNthOVAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T02:46:00.241305Z"},"content_sha256":"8d926a74a141178d7352bb3f8dc8aae4d3a6d824db27b70c5809f790267404f7","schema_version":"1.0","event_id":"sha256:8d926a74a141178d7352bb3f8dc8aae4d3a6d824db27b70c5809f790267404f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WGX67B76765ICTFUGXWUV7QDV2/bundle.json","state_url":"https://pith.science/pith/WGX67B76765ICTFUGXWUV7QDV2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WGX67B76765ICTFUGXWUV7QDV2/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":"2026-08-18T02:46:00Z","links":{"resolver":"https://pith.science/pith/WGX67B76765ICTFUGXWUV7QDV2","bundle":"https://pith.science/pith/WGX67B76765ICTFUGXWUV7QDV2/bundle.json","state":"https://pith.science/pith/WGX67B76765ICTFUGXWUV7QDV2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WGX67B76765ICTFUGXWUV7QDV2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WGX67B76765ICTFUGXWUV7QDV2","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":"b8a42ab567d08fac7ac97bd17ebdf656bdbcb721fd7c823a830d71f7bed8df01","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T14:48:00Z","title_canon_sha256":"0b430e896bd7946500413d356fc18f01c61156210c3267b28357d62b2018c987"},"schema_version":"1.0","source":{"id":"1405.1629","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.1629","created_at":"2026-05-18T01:43:16Z"},{"alias_kind":"arxiv_version","alias_value":"1405.1629v1","created_at":"2026-05-18T01:43:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1629","created_at":"2026-05-18T01:43:16Z"},{"alias_kind":"pith_short_12","alias_value":"WGX67B76765I","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WGX67B76765ICTFU","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WGX67B76","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:8d926a74a141178d7352bb3f8dc8aae4d3a6d824db27b70c5809f790267404f7","target":"graph","created_at":"2026-05-18T01:43:16Z","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 present evidence that super giant HII regions (GHRs) and other disk regions of the nearby spiral galaxy, M33, occupy distinct locations in the correlation between molecular gas, $\\Sigma_{\\rm H_2}$, and the star formation rate surface density, $\\Sigma_{\\rm SFR}$. This result is based on wide field and high sensitivity CO(3-2) observations at 100 pc resolution. Star formation efficiencies (SFE), defined as $\\Sigma_{\\rm SFR}$/$\\Sigma_{\\rm H_2}$, in GHRs are found to be about 1 dex higher than in other disk regions. The CO(3-2)/CO(1-0) integrated intensity ratio is also higher than the average ","authors_text":"Akihiko Hirota, Daniel Espada, Hiroyuki Kaneko, Kazuyuki Muraoka, Kosuke Fujii, Kotaro Kohno, Kouichiro Nakanishi, Nario Kuno, Rie E. Miura, Ryohei Kawabe, Sachiko K. Okumura, Sachiko Onodera, Shinya Komugi, Tetsuhiro Minamidani, Tomoka Tosaki, Tsuyoshi Sawada","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T14:48:00Z","title":"Enhancement of CO(3-2)/CO(1-0) Ratios and Star Formation Efficiencies in Supergiant HII Regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1629","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":"sha256:66ad59d929c00d0ef343b72a7f7eb771549aae644d86d530454d2e0ee0e5821f","target":"record","created_at":"2026-05-18T01:43:16Z","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":"b8a42ab567d08fac7ac97bd17ebdf656bdbcb721fd7c823a830d71f7bed8df01","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T14:48:00Z","title_canon_sha256":"0b430e896bd7946500413d356fc18f01c61156210c3267b28357d62b2018c987"},"schema_version":"1.0","source":{"id":"1405.1629","kind":"arxiv","version":1}},"canonical_sha256":"b1afef87feffba814cb435ed4afe03ae9bbea2c67670a24180e55c25aff9e3e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1afef87feffba814cb435ed4afe03ae9bbea2c67670a24180e55c25aff9e3e6","first_computed_at":"2026-05-18T01:43:16.660667Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:16.660667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sgvrMjWIHeUjXeJ2eKSD+z9LQLGIAY0i5XtSksL4yPOygOYiqw2Il8o6dq+tE48lGoHowp5GekPJKQsNK7c6CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:16.661342Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.1629","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:66ad59d929c00d0ef343b72a7f7eb771549aae644d86d530454d2e0ee0e5821f","sha256:8d926a74a141178d7352bb3f8dc8aae4d3a6d824db27b70c5809f790267404f7"],"state_sha256":"00fc47d43b833129b52f3f65aa40ffabcaf07d98b19581a4e4c8659c7163c7ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HMw9L1zUCzykW0PjfQ8N6qPeHdDIijIC3A/WFWZyZ9GrQQwBsBFPZ/1XqMMU8W9nV2Okt20UHtCoU3UkewJDBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T02:46:00.250512Z","bundle_sha256":"f80e88bd4ee1d98ac673ad6ac7007c090445781d49285d45e81f7284fcec6fc1"}}